Alkis Evlogimenos
8b28b6d187
Add more ADC and SBB variants
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@12607 91177308-0d34-0410-b5e6-96231b3b80d8
2004-04-02 07:11:10 +00:00
Chris Lattner
6683dbf32e
Add support for select constant expressions to the CBE, fixing SIOD
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@12589 91177308-0d34-0410-b5e6-96231b3b80d8
2004-04-01 05:28:26 +00:00
Chris Lattner
0526f01fec
Simplify code by using the more powerful BuildMI forms.
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Implement a small optimization. In test/Regression/CodeGen/X86/select.ll,
we now generate this for foldSel3:
foldSel3:
mov %AL, BYTE PTR [%ESP + 4]
fld DWORD PTR [%ESP + 8]
fld DWORD PTR [%ESP + 12]
mov %EAX, DWORD PTR [%ESP + 16]
mov %ECX, DWORD PTR [%ESP + 20]
cmp %EAX, %ECX
fxch %ST(1)
fcmovae %ST(0), %ST(1)
*** fstp %ST(1)
ret
Instead of:
foldSel3:
mov %AL, BYTE PTR [%ESP + 4]
fld DWORD PTR [%ESP + 8]
fld DWORD PTR [%ESP + 12]
mov %EAX, DWORD PTR [%ESP + 16]
mov %ECX, DWORD PTR [%ESP + 20]
cmp %EAX, %ECX
fxch %ST(1)
fcmovae %ST(0), %ST(1)
*** fxch %ST(1)
*** fstp %ST(0)
ret
In practice, this only effects code size: performance should be basically
unaffected.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@12588 91177308-0d34-0410-b5e6-96231b3b80d8
2004-04-01 04:06:09 +00:00
Chris Lattner
f1ac50ec53
Wrap at 80 cols
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@12587 91177308-0d34-0410-b5e6-96231b3b80d8
2004-04-01 04:03:27 +00:00
Chris Lattner
68626c2b30
Generate slightly smaller code, "test R, R" instead of "cmp R, 0"
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@12579 91177308-0d34-0410-b5e6-96231b3b80d8
2004-03-31 22:22:36 +00:00
Chris Lattner
08bde1870a
The X86 backend no longer needs the select lowering pass.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@12578 91177308-0d34-0410-b5e6-96231b3b80d8
2004-03-31 22:03:46 +00:00
Chris Lattner
352eb48f8e
Codegen FP select instructions into X86 conditional moves. Annoyingly enough
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the X86 does not support a full set of fp cmove instructions, so we can't always
fold the condition into the select. :( Yuck.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@12577 91177308-0d34-0410-b5e6-96231b3b80d8
2004-03-31 22:03:35 +00:00
Chris Lattner
c1bab32bc5
Add support for floating point conditional move instructions
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@12576 91177308-0d34-0410-b5e6-96231b3b80d8
2004-03-31 22:02:36 +00:00
Chris Lattner
30b2f72e7c
Add support for FP cmoves
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@12575 91177308-0d34-0410-b5e6-96231b3b80d8
2004-03-31 22:02:21 +00:00
Chris Lattner
1c54a85447
Add FP conditional move instructions, which annoyingly have special properties
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that require the asmwriter to be extended (printing implicit uses before the
explicit operands)
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@12574 91177308-0d34-0410-b5e6-96231b3b80d8
2004-03-31 22:02:13 +00:00
Chris Lattner
b4186e0ccd
MBB::remove should not modify the iterator passed in
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@12572 91177308-0d34-0410-b5e6-96231b3b80d8
2004-03-31 21:59:59 +00:00
Brian Gaeke
368c5da198
Factor out getStaticStackSize from InsertPrologCode(), so that I can more
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easily steal it for a separate use in the reoptimizer.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@12568 91177308-0d34-0410-b5e6-96231b3b80d8
2004-03-31 20:58:37 +00:00
Chris Lattner
307ecbaddb
Fold comparisons into select instructions, making much better code and
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using our broad selection of movcc instructions. :)
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@12560 91177308-0d34-0410-b5e6-96231b3b80d8
2004-03-30 22:39:09 +00:00
Chris Lattner
87d3bb5dfa
Implement spill code folding for all of the conditional move instructions
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@12554 91177308-0d34-0410-b5e6-96231b3b80d8
2004-03-30 21:29:47 +00:00
Chris Lattner
12d96a0b4d
Add direct support for integer select instructions, though we still don't support
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folding compares into the select yet.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@12553 91177308-0d34-0410-b5e6-96231b3b80d8
2004-03-30 21:22:00 +00:00
Chris Lattner
a5cdab7101
Fix some serious bugs in the cmov descriptions, which didn't cause a problem because
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we never generated them
Make indentation a bit more consistent
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@12549 91177308-0d34-0410-b5e6-96231b3b80d8
2004-03-30 20:18:02 +00:00
Chris Lattner
6f2ab04e91
Fix a fairly major performance problem. If a PHI node had a constant as
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an incoming value from a block, the selector would evaluate the constant
at the TOP of the block instead of at the end of the block. This made the
live range for the constant span the entire block, increasing register
pressure needlessly.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@12542 91177308-0d34-0410-b5e6-96231b3b80d8
2004-03-30 19:10:12 +00:00
Chris Lattner
5abd61f6d9
Add the select lowering pass to get initial support for select instructions
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@12541 91177308-0d34-0410-b5e6-96231b3b80d8
2004-03-30 18:41:59 +00:00
Brian Gaeke
eb8863db90
Don't warn about a null live range if the Value is a ConstantIntegral.
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Otherwise, if you're in debugging mode, you get warnings for (apparently)
every immediate constant in the function during reg. allocation.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@12538 91177308-0d34-0410-b5e6-96231b3b80d8
2004-03-29 21:58:41 +00:00
Chris Lattner
6b835360f1
Fix PR299: [Sparc] Code generator asserts on alloc of zero size type
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@12504 91177308-0d34-0410-b5e6-96231b3b80d8
2004-03-19 04:21:43 +00:00
Chris Lattner
ab18020cbd
Malloc doesn't kill a load. This patch need not go into 1.2 though.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@12500 91177308-0d34-0410-b5e6-96231b3b80d8
2004-03-18 17:01:26 +00:00
Chris Lattner
85c84e759e
Fix a really nasty bug that was breaking ijpeg in LLC mode. We were incorrectly
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folding load instructions into other instructions across free instruction
boundaries. Perhaps this will also fix the other strange failures?
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@12494 91177308-0d34-0410-b5e6-96231b3b80d8
2004-03-18 06:29:54 +00:00
Brian Gaeke
54cc3c2135
The .type directive on Solaris uses the # character instead of @.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@12454 91177308-0d34-0410-b5e6-96231b3b80d8
2004-03-16 22:52:04 +00:00
Brian Gaeke
6d339f9000
Fix bug in zero-extending of shorts.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@12453 91177308-0d34-0410-b5e6-96231b3b80d8
2004-03-16 22:45:42 +00:00
Brian Gaeke
032f80fbf1
Add UMULrr and SMULrr instructions.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@12452 91177308-0d34-0410-b5e6-96231b3b80d8
2004-03-16 22:37:13 +00:00
Brian Gaeke
79db7405f7
Use ! for comment char; it works in both Solaris as and GAS.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@12451 91177308-0d34-0410-b5e6-96231b3b80d8
2004-03-16 22:37:12 +00:00
Brian Gaeke
f57e364f65
Make getClass more robust by adding cLong.
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Add handling for Mul instruction.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@12450 91177308-0d34-0410-b5e6-96231b3b80d8
2004-03-16 22:37:11 +00:00
Alkis Evlogimenos
63dd4ff809
Add LAHF instruction
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@12424 91177308-0d34-0410-b5e6-96231b3b80d8
2004-03-15 17:20:14 +00:00
Alkis Evlogimenos
a1a7148c4d
Another API change to MRegisterInfo::foldMemoryOperand. Instead of a
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MachineBasicBlock::iterator take a MachineInstr*.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@12392 91177308-0d34-0410-b5e6-96231b3b80d8
2004-03-14 20:14:27 +00:00
Alkis Evlogimenos
39354c99a1
Change MRegisterInfo::foldMemoryOperand to return the folded
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instruction to make the API more flexible.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@12386 91177308-0d34-0410-b5e6-96231b3b80d8
2004-03-14 07:19:51 +00:00
Chris Lattner
5634b9f5e7
It helps if I save the file. :)
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@12357 91177308-0d34-0410-b5e6-96231b3b80d8
2004-03-13 00:24:52 +00:00
Chris Lattner
317201d773
Rename the intrinsic enum values for llvm.va_* from Intrinsic::va_* to
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Intrinsic::va*. This avoid conflicting with macros in the stdlib.h file.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@12356 91177308-0d34-0410-b5e6-96231b3b80d8
2004-03-13 00:24:00 +00:00
Brian Gaeke
215fb76865
Make -print-machineinstrs show us the code both before and after reg. alloc.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@12344 91177308-0d34-0410-b5e6-96231b3b80d8
2004-03-12 21:19:08 +00:00
Alkis Evlogimenos
a3f66842b2
Add support for a wider range of CMOV instructions.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@12336 91177308-0d34-0410-b5e6-96231b3b80d8
2004-03-12 17:59:56 +00:00
Chris Lattner
9f24a077bd
ADd support for select instructions
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@12316 91177308-0d34-0410-b5e6-96231b3b80d8
2004-03-12 05:52:14 +00:00
Misha Brukman
b8bda13140
Move implementations of functions here, which avoids #including <cstdlib> in the
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header file and all those who #include it.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@12297 91177308-0d34-0410-b5e6-96231b3b80d8
2004-03-11 23:52:43 +00:00
Brian Gaeke
c760d647c6
Get rid of the abort in PhyRegAlloc::finishSavingState().
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Make an explicit call to it from runOnFunction() if we know we're supposed to
write into the global. This is lame (esp. the const_cast), but it solves
the problem.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@12291 91177308-0d34-0410-b5e6-96231b3b80d8
2004-03-11 19:46:30 +00:00
Brian Gaeke
c46f8a4f42
Give pass a name
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@12290 91177308-0d34-0410-b5e6-96231b3b80d8
2004-03-11 19:23:15 +00:00
Misha Brukman
db760d00c3
Fix compilation on Sparc: assert(0) => abort()
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@12289 91177308-0d34-0410-b5e6-96231b3b80d8
2004-03-11 19:08:24 +00:00
Brian Gaeke
cf68bd5fc1
In PhyRegAlloc::saveState(), dump Arguments' saved-state, and try to
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make the output more compact.
Divorce state-saving from the doFinalization method; for some reason it's not
getting called when I want it to, at Reoptimizer time. Put the guts in
PhyRegAlloc::finishSavingState(). Put an abort() in it so that I can be really
really sure that it's getting called.
Update comments.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@12286 91177308-0d34-0410-b5e6-96231b3b80d8
2004-03-11 06:45:52 +00:00
Brian Gaeke
36061dab06
Remove ghostly directory from the build
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@12285 91177308-0d34-0410-b5e6-96231b3b80d8
2004-03-11 04:42:41 +00:00
Brian Gaeke
d1b3679214
Move all the SaveState options and stuff inton one spot at the top of the file.
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De-constify SaveStateToModule; we have to set both it and SaveRegAllocState
explicitly in the reoptimizer.
Make SaveRegAllocState an 'external location' option.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@12278 91177308-0d34-0410-b5e6-96231b3b80d8
2004-03-10 22:21:03 +00:00
Brian Gaeke
14068d9f97
Only call verifySavedState if SaveRegAllocState is set AND debugging flag is on.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@12277 91177308-0d34-0410-b5e6-96231b3b80d8
2004-03-10 22:01:59 +00:00
Alkis Evlogimenos
519f4e76b7
Check if printing of implicit uses is required for all types of shift
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instructions.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@12258 91177308-0d34-0410-b5e6-96231b3b80d8
2004-03-09 06:10:15 +00:00
Brian Gaeke
cf47198a49
Hmm, who left this sitting around in my tree
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@12255 91177308-0d34-0410-b5e6-96231b3b80d8
2004-03-09 04:49:13 +00:00
Alkis Evlogimenos
cc2a2a530f
Differentiate between extended precision floats (80-bit) and double precision floats (64-bit)
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@12254 91177308-0d34-0410-b5e6-96231b3b80d8
2004-03-09 03:37:54 +00:00
Alkis Evlogimenos
0309066f6c
Use newly added API to emit bytes for instructions that gas misassembles
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@12253 91177308-0d34-0410-b5e6-96231b3b80d8
2004-03-09 03:35:34 +00:00
Alkis Evlogimenos
39c2005b70
Add emitInstruction() API so that we can get the bytes of a simple instruction
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@12252 91177308-0d34-0410-b5e6-96231b3b80d8
2004-03-09 03:34:53 +00:00
Alkis Evlogimenos
f6e8156008
Constify things a bit
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@12251 91177308-0d34-0410-b5e6-96231b3b80d8
2004-03-09 03:30:12 +00:00
Brian Gaeke
8b16a16918
Change PhyRegAlloc::saveStateForValue()'s arg type to deal with
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AllocInfo.Instruction becoming an int.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@12247 91177308-0d34-0410-b5e6-96231b3b80d8
2004-03-08 23:22:03 +00:00
Brian Gaeke
54a76b8808
Save argument list alloc state by recording it as the operands of Instruction
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#-1. Other minor changes to deal with AllocInfo.Instruction becoming an int.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@12246 91177308-0d34-0410-b5e6-96231b3b80d8
2004-03-08 23:22:02 +00:00
Brian Gaeke
757ccd5149
Make AllocInfo's Instruction an int, so that we can overload it for arguments.
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(Instruction #-1's operands = argument list).
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@12245 91177308-0d34-0410-b5e6-96231b3b80d8
2004-03-08 23:22:01 +00:00
Chris Lattner
9b3c702614
Avoid allocating special registers a bit more robustly
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@12207 91177308-0d34-0410-b5e6-96231b3b80d8
2004-03-08 03:48:07 +00:00
Chris Lattner
7dee5daf85
Implement folding explicit load instructions into binary operations. For a
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testcase like this:
int %test(int* %P, int %A) {
%Pv = load int* %P
%B = add int %A, %Pv
ret int %B
}
We now generate:
test:
mov %ECX, DWORD PTR [%ESP + 4]
mov %EAX, DWORD PTR [%ESP + 8]
add %EAX, DWORD PTR [%ECX]
ret
Instead of:
test:
mov %EAX, DWORD PTR [%ESP + 4]
mov %ECX, DWORD PTR [%ESP + 8]
mov %EAX, DWORD PTR [%EAX]
add %EAX, %ECX
ret
... saving one instruction, and often a register. Note that there are a lot
of other instructions that could use this, but they aren't handled. I'm not
really interested in adding them, but mul/div and all of the FP instructions
could be supported as well if someone wanted to add them.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@12204 91177308-0d34-0410-b5e6-96231b3b80d8
2004-03-08 01:58:35 +00:00
Chris Lattner
721d2d4a6e
Rearrange and refactor some code. No functionality changes.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@12203 91177308-0d34-0410-b5e6-96231b3b80d8
2004-03-08 01:18:36 +00:00
Alkis Evlogimenos
13d362f310
Add memory operand version of conditional move.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@12190 91177308-0d34-0410-b5e6-96231b3b80d8
2004-03-07 03:19:11 +00:00
Brian Gaeke
08f64c3321
Support return values of basic integer types.
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Emit RETL instruction to return instead of funny JMPL.
Fix indentation.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@12186 91177308-0d34-0410-b5e6-96231b3b80d8
2004-03-06 05:32:28 +00:00
Brian Gaeke
a8056fabeb
Sort stanzas into Sparc V8 book page number order.
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Add RET, RETL. Rename SAVE, RESTORE & JMPL for consistency.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@12185 91177308-0d34-0410-b5e6-96231b3b80d8
2004-03-06 05:32:13 +00:00
Brian Gaeke
bda4a3c61a
Hack it so we do not try to allocate values to G0.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@12184 91177308-0d34-0410-b5e6-96231b3b80d8
2004-03-06 05:31:32 +00:00
Brian Gaeke
d69b3c58d3
Make prolog align stack properly. Make epilog not touch any registers.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@12183 91177308-0d34-0410-b5e6-96231b3b80d8
2004-03-06 05:31:21 +00:00
Brian Gaeke
a8b00cafc4
Emit register names in lowercase, as required by the assembler.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@12182 91177308-0d34-0410-b5e6-96231b3b80d8
2004-03-06 05:30:21 +00:00
Brian Gaeke
a98e051417
Teach getRegClassForType where to find FP registers
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@12180 91177308-0d34-0410-b5e6-96231b3b80d8
2004-03-06 03:54:13 +00:00
Brian Gaeke
62aa28aef3
Asm output is looking a lot better; not correct for all operands yet though.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@12143 91177308-0d34-0410-b5e6-96231b3b80d8
2004-03-05 08:39:09 +00:00
Brian Gaeke
7a3ae1fbad
Support -print-machineinstrs
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@12124 91177308-0d34-0410-b5e6-96231b3b80d8
2004-03-04 19:22:16 +00:00
Brian Gaeke
323819e4e1
make -print-machineinstrs work for both SparcV9 and X86
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@12122 91177308-0d34-0410-b5e6-96231b3b80d8
2004-03-04 19:16:23 +00:00
Alkis Evlogimenos
ce1e500e2f
Add assertion for scale verification.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@12120 91177308-0d34-0410-b5e6-96231b3b80d8
2004-03-04 18:05:02 +00:00
Brian Gaeke
4acfd039f9
Asm printer support, based on x86 - only prints mnemonics for now
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@12113 91177308-0d34-0410-b5e6-96231b3b80d8
2004-03-04 06:00:41 +00:00
Brian Gaeke
da69e7d9b3
Double-FP pseudo-registers.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@12112 91177308-0d34-0410-b5e6-96231b3b80d8
2004-03-04 05:15:03 +00:00
Brian Gaeke
775158d62a
Subtract instructions; minor cleanups
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@12111 91177308-0d34-0410-b5e6-96231b3b80d8
2004-03-04 04:37:45 +00:00
Brian Gaeke
e7173b7e8e
Floating point regs
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@12110 91177308-0d34-0410-b5e6-96231b3b80d8
2004-03-04 04:37:22 +00:00
Brian Gaeke
e806173ab6
Simple copyConstantToReg support, SETHIi and ORri
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@12107 91177308-0d34-0410-b5e6-96231b3b80d8
2004-03-04 00:56:25 +00:00
Brian Gaeke
bc1d27aa6e
Support add - note, still missing important copyConstantToRegister stuff
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@12106 91177308-0d34-0410-b5e6-96231b3b80d8
2004-03-03 23:03:14 +00:00
Chris Lattner
b06f103d0c
SPECIFY a target data to initialize the CBE target with. Until now we have
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been using the default target data layout object to lower malloc instructions,
causing us to allocate more memory than we needed! This could improve the
performance of the CBE generated code substantially!
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@12088 91177308-0d34-0410-b5e6-96231b3b80d8
2004-03-03 02:14:15 +00:00
Chris Lattner
2bed9ecc4b
Add a new constructor
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@12087 91177308-0d34-0410-b5e6-96231b3b80d8
2004-03-03 02:12:47 +00:00
Misha Brukman
538607fe45
Doxygenify some comments.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@12064 91177308-0d34-0410-b5e6-96231b3b80d8
2004-03-01 23:53:11 +00:00
Chris Lattner
ec726a1a6e
Add this back, as its absence introduces assertions, and it seems to work now
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that Instructions are annotable again
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@12045 91177308-0d34-0410-b5e6-96231b3b80d8
2004-03-01 15:28:27 +00:00
Tanya Lattner
f048bfd97d
fix bug in previous checkin
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@12044 91177308-0d34-0410-b5e6-96231b3b80d8
2004-03-01 15:05:17 +00:00
Brian Gaeke
05b15fb075
TargetCacheInfo has been removed; its only uses were to propagate a constant
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(16) into certain areas of the SPARC V9 back-end. I'm fairly sure the US IIIi's
dcache has 32-byte lines, so I'm not sure where the 16 came from. However, in
the interest of not breaking things any more than they already are, I'm going
to leave the constant alone.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@12043 91177308-0d34-0410-b5e6-96231b3b80d8
2004-03-01 06:43:29 +00:00
Tanya Lattner
9b3cbdbedb
Adding new Modulo Scheduling graph files.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@12031 91177308-0d34-0410-b5e6-96231b3b80d8
2004-03-01 02:50:57 +00:00
Tanya Lattner
d14b83733e
Removing old graph files with new graph files that I wrote. Updated ModuloScheduling pass, but still in progress.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@12030 91177308-0d34-0410-b5e6-96231b3b80d8
2004-03-01 02:50:01 +00:00
Chris Lattner
21585221b6
Handle passing constant integers to functions much more efficiently. Instead
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of generating this code:
mov %EAX, 4
mov DWORD PTR [%ESP], %EAX
mov %AX, 123
movsx %EAX, %AX
mov DWORD PTR [%ESP + 4], %EAX
call Y
we now generate:
mov DWORD PTR [%ESP], 4
mov DWORD PTR [%ESP + 4], 123
call Y
Which hurts the eyes less. :)
Considering that register pressure around call sites is already high (with all
of the callee clobber registers n stuff), this may help a lot.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@12028 91177308-0d34-0410-b5e6-96231b3b80d8
2004-03-01 02:42:43 +00:00
Chris Lattner
ce6096f49b
Fix a minor code-quality issue. When passing 8 and 16-bit integer constants
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to function calls, we would emit dead code, like this:
int Y(int, short, double);
int X() {
Y(4, 123, 4);
}
--- Old
X:
sub %ESP, 20
mov %EAX, 4
mov DWORD PTR [%ESP], %EAX
*** mov %AX, 123
mov %AX, 123
movsx %EAX, %AX
mov DWORD PTR [%ESP + 4], %EAX
fld QWORD PTR [.CPIX_0]
fstp QWORD PTR [%ESP + 8]
call Y
mov %EAX, 0
# IMPLICIT_USE %EAX %ESP
add %ESP, 20
ret
Now we emit:
X:
sub %ESP, 20
mov %EAX, 4
mov DWORD PTR [%ESP], %EAX
mov %AX, 123
movsx %EAX, %AX
mov DWORD PTR [%ESP + 4], %EAX
fld QWORD PTR [.CPIX_0]
fstp QWORD PTR [%ESP + 8]
call Y
mov %EAX, 0
# IMPLICIT_USE %EAX %ESP
add %ESP, 20
ret
Next up, eliminate the mov AX and movsx entirely!
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@12026 91177308-0d34-0410-b5e6-96231b3b80d8
2004-03-01 02:34:08 +00:00
Chris Lattner
08d4963d49
Move the private MachineInstrAnnot.h into a private directory.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@12003 91177308-0d34-0410-b5e6-96231b3b80d8
2004-02-29 19:12:51 +00:00
Chris Lattner
e85f2348c9
Do not use explicit casts that hide the dependence on Instruction being
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annotable
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@12000 91177308-0d34-0410-b5e6-96231b3b80d8
2004-02-29 19:02:26 +00:00
Alkis Evlogimenos
96c9b8b496
Add instruction name description.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@11998 91177308-0d34-0410-b5e6-96231b3b80d8
2004-02-29 18:44:03 +00:00
Alkis Evlogimenos
7f6124cfc2
Use correct template for SHLD and SHRD instructions so that the memory
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operand size is correctly specified.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@11997 91177308-0d34-0410-b5e6-96231b3b80d8
2004-02-29 09:19:40 +00:00
Alkis Evlogimenos
9c22aeb0b2
Improve allocation order:
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1) For 8-bit registers try to use first the ones that are parts of the
same register (AL then AH). This way we only alias 2 16/32-bit
registers after allocating 4 8-bit variables.
2) Move EBX as the last register to allocate. This will cause less
spills to happen since we will have 8-bit registers available up to
register excaustion (assuming we use the allocation order). It
would be nice if we could push all of the 8-bit aliased registers
towards the end but we much prefer to keep callee saved register to
the end to avoid saving them on entry and exit of the function.
For example this gives a slight reduction of spills with linear scan
on 164.gzip.
Before:
11221 asm-printer - Number of machine instrs printed
975 spiller - Number of loads added
675 spiller - Number of stores added
398 spiller - Number of register spills
After:
11182 asm-printer - Number of machine instrs printed
952 spiller - Number of loads added
652 spiller - Number of stores added
386 spiller - Number of register spills
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@11996 91177308-0d34-0410-b5e6-96231b3b80d8
2004-02-29 09:17:01 +00:00
Alkis Evlogimenos
8295f202d9
A big X86 instruction rename. The instructions are renamed to make
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their names more decriptive. A name consists of the base name, a
default operand size followed by a character per operand with an
optional special size. For example:
ADD8rr -> add, 8-bit register, 8-bit register
IMUL16rmi -> imul, 16-bit register, 16-bit memory, 16-bit immediate
IMUL16rmi8 -> imul, 16-bit register, 16-bit memory, 8-bit immediate
MOVSX32rm16 -> movsx, 32-bit register, 16-bit memory
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@11995 91177308-0d34-0410-b5e6-96231b3b80d8
2004-02-29 08:50:03 +00:00
Brian Gaeke
6ac5300fbc
Remove dead member variables of SparcV9SchedInfo and TargetSchedInfo
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@11994 91177308-0d34-0410-b5e6-96231b3b80d8
2004-02-29 08:40:03 +00:00
Chris Lattner
ee352852e7
Eliminate the X86-specific BMI functions, using BuildMI instead.
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Replace uses of addZImm with addImm.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@11992 91177308-0d34-0410-b5e6-96231b3b80d8
2004-02-29 07:22:16 +00:00
Chris Lattner
168aa90bf6
Fix a miscompilation of 197.parser that occurs when you have single basic
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block loops.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@11990 91177308-0d34-0410-b5e6-96231b3b80d8
2004-02-29 07:10:16 +00:00
Chris Lattner
dce363d5ec
Adjust to change in TII ctor arguments
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@11987 91177308-0d34-0410-b5e6-96231b3b80d8
2004-02-29 06:31:44 +00:00
Chris Lattner
bceb68807f
Eliminate the distinction between "real" and "unreal" instructions
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@11986 91177308-0d34-0410-b5e6-96231b3b80d8
2004-02-29 06:31:16 +00:00
Chris Lattner
1ddf475b6a
These two virtual methods are never called.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@11984 91177308-0d34-0410-b5e6-96231b3b80d8
2004-02-29 05:59:33 +00:00
Chris Lattner
0755912c38
Remove a TON of flags that noone cares about
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@11983 91177308-0d34-0410-b5e6-96231b3b80d8
2004-02-29 05:58:30 +00:00
Chris Lattner
9a945277c0
Noone calls these virtual methods
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@11982 91177308-0d34-0410-b5e6-96231b3b80d8
2004-02-29 05:58:16 +00:00
Chris Lattner
0723969e87
This is the only file in the system that uses this enum. eliminate it.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@11981 91177308-0d34-0410-b5e6-96231b3b80d8
2004-02-29 05:57:59 +00:00
Chris Lattner
e1274de2c9
Implement initial prolog/epilog code insertion methods.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@11979 91177308-0d34-0410-b5e6-96231b3b80d8
2004-02-29 05:18:30 +00:00
Alkis Evlogimenos
8777d241cf
Use correct template for ADC instruction with memory operands.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@11974 91177308-0d34-0410-b5e6-96231b3b80d8
2004-02-29 02:18:17 +00:00
Chris Lattner
1c809c594b
Add an instruction selector capable of selecting 'ret void'
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@11973 91177308-0d34-0410-b5e6-96231b3b80d8
2004-02-29 00:27:00 +00:00
Alkis Evlogimenos
da474adb21
SHLD and SHRD take 32-bit operands but an 8-bit immediate. Rename them
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to denote this fact.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@11972 91177308-0d34-0410-b5e6-96231b3b80d8
2004-02-28 23:46:44 +00:00
Alkis Evlogimenos
8e475b8cfd
Floating point loads/stores act on memory operands. Rename them to
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denote this fact.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@11971 91177308-0d34-0410-b5e6-96231b3b80d8
2004-02-28 23:42:35 +00:00
Alkis Evlogimenos
91c4b52e7f
Rename instruction templates to be easier to the human eye to
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parse. The name is now I (operand size)*. For example:
Im32 -> instruction with 32-bit memory operands.
Im16i8 -> instruction with 16-bit memory operands and 8 bit immediate
operands.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@11970 91177308-0d34-0410-b5e6-96231b3b80d8
2004-02-28 23:09:03 +00:00
Alkis Evlogimenos
f8da4d8839
Uncomment instructions that take both an immediate and a memory
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operand but their sizes differ.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@11969 91177308-0d34-0410-b5e6-96231b3b80d8
2004-02-28 22:06:59 +00:00
Alkis Evlogimenos
5ab29b504d
Each instruction now has both an ImmType and a MemType. This describes
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the size of the immediate and the memory operand on instructions that
use them. This resolves problems with instructions that take both a
memory and an immediate operand but their sizes differ (i.e. ADDmi32b).
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@11967 91177308-0d34-0410-b5e6-96231b3b80d8
2004-02-28 22:02:05 +00:00
Chris Lattner
9ff6ba1ea1
Change this so that LLC actually tries to run the code generator, though it will
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immediately abort due to lack of an instruction selector. :)
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@11963 91177308-0d34-0410-b5e6-96231b3b80d8
2004-02-28 20:21:45 +00:00
Chris Lattner
8a62384253
SparcV8 now builds.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@11960 91177308-0d34-0410-b5e6-96231b3b80d8
2004-02-28 19:54:00 +00:00
Chris Lattner
9a89f37dc7
fine grainify namespacification
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@11959 91177308-0d34-0410-b5e6-96231b3b80d8
2004-02-28 19:53:18 +00:00
Chris Lattner
8d8a6bc7a3
Finegrainify namespacification
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@11958 91177308-0d34-0410-b5e6-96231b3b80d8
2004-02-28 19:52:49 +00:00
Chris Lattner
a85d46eea8
Tab completion is our friend.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@11957 91177308-0d34-0410-b5e6-96231b3b80d8
2004-02-28 19:45:39 +00:00
Chris Lattner
83ba99ac46
Clean up rules
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@11956 91177308-0d34-0410-b5e6-96231b3b80d8
2004-02-28 19:43:40 +00:00
Chris Lattner
275f6459ab
Bring this directory into "it actually compiles" land
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@11955 91177308-0d34-0410-b5e6-96231b3b80d8
2004-02-28 19:37:18 +00:00
Chris Lattner
f13bd49d6a
Fix multiple inclusion problem
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@11954 91177308-0d34-0410-b5e6-96231b3b80d8
2004-02-28 19:31:32 +00:00
Alkis Evlogimenos
745502a04b
Do not generate instructions with mismatched memory/immediate sized
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operands. The X86 backend doesn't handle them properly right now.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@11944 91177308-0d34-0410-b5e6-96231b3b80d8
2004-02-28 06:01:43 +00:00
Alkis Evlogimenos
84cda0f470
Further comment updates.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@11933 91177308-0d34-0410-b5e6-96231b3b80d8
2004-02-28 03:20:31 +00:00
Alkis Evlogimenos
a643a1a528
Update comments.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@11932 91177308-0d34-0410-b5e6-96231b3b80d8
2004-02-28 03:12:31 +00:00
Alkis Evlogimenos
2eae379388
My previous commit broke the jit. The shift instructions always take
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an 8-bit immediate. So mark the shifts that take immediates as taking
an 8-bit argument. The rest with the implicit use of CL are marked
appropriately.
A bug still exists:
def SHLDmri32 : I2A8 <"shld", 0xA4, MRMDestMem>, TB; // [mem32] <<= [mem32],R32 imm8
The immediate in the above instruction is 8-bit but the memory
reference is 32-bit. The printer prints this as an 8-bit reference
which confuses the assembler. Same with SHRDmri32.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@11931 91177308-0d34-0410-b5e6-96231b3b80d8
2004-02-28 02:56:26 +00:00
Brian Gaeke
9f78bf2ff7
Turn off the SparcV9MachineCodeDestructionPass for now, because it's buggy
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@11930 91177308-0d34-0410-b5e6-96231b3b80d8
2004-02-27 21:15:40 +00:00
Brian Gaeke
3d1fdee339
Correct DestroyMachineFunction's getPassName
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@11929 91177308-0d34-0410-b5e6-96231b3b80d8
2004-02-27 21:01:14 +00:00
Alkis Evlogimenos
fa5229691f
Fix argument size for SHL, SHR, SAR, SHLD and SHRD families of
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instructions.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@11923 91177308-0d34-0410-b5e6-96231b3b80d8
2004-02-27 19:46:30 +00:00
Alkis Evlogimenos
f9186e38d5
Fix encoding of ADD and SUB family of instructions. Also rearrange
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them so that they are consistent with AND, XOR, etc...
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@11922 91177308-0d34-0410-b5e6-96231b3b80d8
2004-02-27 18:57:00 +00:00
Alkis Evlogimenos
169584ed45
Rename MRMS[0-7]{r,m} to MRM[0-7]{r,m}.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@11921 91177308-0d34-0410-b5e6-96231b3b80d8
2004-02-27 18:55:12 +00:00
Alkis Evlogimenos
08388a4787
Add memory operand folding support for the SETcc family of
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instructions.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@11907 91177308-0d34-0410-b5e6-96231b3b80d8
2004-02-27 16:13:37 +00:00
Alkis Evlogimenos
e56508eb7e
Add memory operand folding support for SHLD and SHRD instructions.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@11905 91177308-0d34-0410-b5e6-96231b3b80d8
2004-02-27 15:03:18 +00:00
Alkis Evlogimenos
58ec60589b
Add memory operand folding support for SHL, SHR and SAR, SHLD instructions.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@11903 91177308-0d34-0410-b5e6-96231b3b80d8
2004-02-27 09:28:43 +00:00
Alkis Evlogimenos
e35ba65b02
Rename SHL, SHR, SAR, SHLD and SHLR instructions to make them
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consistent with the rest and also pepare for the addition of their
memory operand variants.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@11902 91177308-0d34-0410-b5e6-96231b3b80d8
2004-02-27 06:57:05 +00:00
John Criswell
3799eec3cf
Fixes for PR258 and PR259.
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Functions with linkonce linkage are declared with weak linkage.
Global floating point constants used to represent unprintable values
(such as NaN and infinity) are declared static so that they don't interfere
with other CBE generated translation units.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@11884 91177308-0d34-0410-b5e6-96231b3b80d8
2004-02-26 22:20:58 +00:00
Alkis Evlogimenos
71e353ed35
Uncomment assertions that register# != 0 on calls to
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MRegisterInfo::is{Physical,Virtual}Register. Apply appropriate fixes
to relevant files.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@11882 91177308-0d34-0410-b5e6-96231b3b80d8
2004-02-26 22:00:20 +00:00
Chris Lattner
0e7ac16926
Use a map instead of annotations
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@11875 91177308-0d34-0410-b5e6-96231b3b80d8
2004-02-26 08:02:17 +00:00
Chris Lattner
8dd8d261a4
Fix some warnings, some of which were spurious, and some of which were real
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bugs. Thanks Brian!
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@11859 91177308-0d34-0410-b5e6-96231b3b80d8
2004-02-26 01:20:02 +00:00
Misha Brukman
23e6c1ff45
Instructions to call and return from functions.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@11858 91177308-0d34-0410-b5e6-96231b3b80d8
2004-02-26 00:37:12 +00:00
Brian Gaeke
367b91d1bd
Great sparc renaming fallout IV: Sparc --> SparcV9.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@11844 91177308-0d34-0410-b5e6-96231b3b80d8
2004-02-25 22:09:36 +00:00
Misha Brukman
757df02826
SparcV8 regs are really 32-bit, not 64! Thanks, Chris.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@11835 91177308-0d34-0410-b5e6-96231b3b80d8
2004-02-25 21:03:02 +00:00
Misha Brukman
e07c2aa67c
Clean up the tablegen descriptions for SparcV8.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@11834 91177308-0d34-0410-b5e6-96231b3b80d8
2004-02-25 21:02:21 +00:00
Misha Brukman
5914bf6ef5
Fix the SparcV8 register definitions that were imported from PPC template.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@11833 91177308-0d34-0410-b5e6-96231b3b80d8
2004-02-25 21:00:05 +00:00
Misha Brukman
3dff822988
SparcV8 has different types of instructions, but F1 is only used for CALL.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@11832 91177308-0d34-0410-b5e6-96231b3b80d8
2004-02-25 20:52:20 +00:00
Chris Lattner
87124425d0
Fix failures in 099.go due to the cfgsimplify pass creating switch instructions
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where there did not used to be any before
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@11829 91177308-0d34-0410-b5e6-96231b3b80d8
2004-02-25 19:30:19 +00:00
Brian Gaeke
e785e531f4
SparcV8 skeleton
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@11828 91177308-0d34-0410-b5e6-96231b3b80d8
2004-02-25 19:28:19 +00:00
Brian Gaeke
150666fd82
Great renaming part II: Sparc --> SparcV9 (also includes command-line options and Makefiles)
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@11827 91177308-0d34-0410-b5e6-96231b3b80d8
2004-02-25 19:08:12 +00:00
Brian Gaeke
e3d6807ab5
Great renaming: Sparc --> SparcV9
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@11826 91177308-0d34-0410-b5e6-96231b3b80d8
2004-02-25 18:44:15 +00:00
Chris Lattner
5f2c7b1975
Teach the instruction selector how to transform 'array' GEP computations into X86
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scaled indexes. This allows us to compile GEP's like this:
int* %test([10 x { int, { int } }]* %X, int %Idx) {
%Idx = cast int %Idx to long
%X = getelementptr [10 x { int, { int } }]* %X, long 0, long %Idx, ubyte 1, ubyte 0
ret int* %X
}
Into a single address computation:
test:
mov %EAX, DWORD PTR [%ESP + 4]
mov %ECX, DWORD PTR [%ESP + 8]
lea %EAX, DWORD PTR [%EAX + 8*%ECX + 4]
ret
Before it generated:
test:
mov %EAX, DWORD PTR [%ESP + 4]
mov %ECX, DWORD PTR [%ESP + 8]
shl %ECX, 3
add %EAX, %ECX
lea %EAX, DWORD PTR [%EAX + 4]
ret
This is useful for things like int/float/double arrays, as the indexing can be folded into
the loads&stores, reducing register pressure and decreasing the pressure on the decode unit.
With these changes, I expect our performance on 256.bzip2 and gzip to improve a lot. On
bzip2 for example, we go from this:
10665 asm-printer - Number of machine instrs printed
40 ra-local - Number of loads/stores folded into instructions
1708 ra-local - Number of loads added
1532 ra-local - Number of stores added
1354 twoaddressinstruction - Number of instructions added
1354 twoaddressinstruction - Number of two-address instructions
2794 x86-peephole - Number of peephole optimization performed
to this:
9873 asm-printer - Number of machine instrs printed
41 ra-local - Number of loads/stores folded into instructions
1710 ra-local - Number of loads added
1521 ra-local - Number of stores added
789 twoaddressinstruction - Number of instructions added
789 twoaddressinstruction - Number of two-address instructions
2142 x86-peephole - Number of peephole optimization performed
... and these types of instructions are often in tight loops.
Linear scan is also helped, but not as much. It goes from:
8787 asm-printer - Number of machine instrs printed
2389 liveintervals - Number of identity moves eliminated after coalescing
2288 liveintervals - Number of interval joins performed
3522 liveintervals - Number of intervals after coalescing
5810 liveintervals - Number of original intervals
700 spiller - Number of loads added
487 spiller - Number of stores added
303 spiller - Number of register spills
1354 twoaddressinstruction - Number of instructions added
1354 twoaddressinstruction - Number of two-address instructions
363 x86-peephole - Number of peephole optimization performed
to:
7982 asm-printer - Number of machine instrs printed
1759 liveintervals - Number of identity moves eliminated after coalescing
1658 liveintervals - Number of interval joins performed
3282 liveintervals - Number of intervals after coalescing
4940 liveintervals - Number of original intervals
635 spiller - Number of loads added
452 spiller - Number of stores added
288 spiller - Number of register spills
789 twoaddressinstruction - Number of instructions added
789 twoaddressinstruction - Number of two-address instructions
258 x86-peephole - Number of peephole optimization performed
Though I'm not complaining about the drop in the number of intervals. :)
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@11820 91177308-0d34-0410-b5e6-96231b3b80d8
2004-02-25 07:00:55 +00:00
Chris Lattner
b6bac51351
* Make the previous patch more efficient by not allocating a temporary MachineInstr
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to do analysis.
*** FOLD getelementptr instructions into loads and stores when possible,
making use of some of the crazy X86 addressing modes.
For example, the following C++ program fragment:
struct complex {
double re, im;
complex(double r, double i) : re(r), im(i) {}
};
inline complex operator+(const complex& a, const complex& b) {
return complex(a.re+b.re, a.im+b.im);
}
complex addone(const complex& arg) {
return arg + complex(1,0);
}
Used to be compiled to:
_Z6addoneRK7complex:
mov %EAX, DWORD PTR [%ESP + 4]
mov %ECX, DWORD PTR [%ESP + 8]
*** mov %EDX, %ECX
fld QWORD PTR [%EDX]
fld1
faddp %ST(1)
*** add %ECX, 8
fld QWORD PTR [%ECX]
fldz
faddp %ST(1)
*** mov %ECX, %EAX
fxch %ST(1)
fstp QWORD PTR [%ECX]
*** add %EAX, 8
fstp QWORD PTR [%EAX]
ret
Now it is compiled to:
_Z6addoneRK7complex:
mov %EAX, DWORD PTR [%ESP + 4]
mov %ECX, DWORD PTR [%ESP + 8]
fld QWORD PTR [%ECX]
fld1
faddp %ST(1)
fld QWORD PTR [%ECX + 8]
fldz
faddp %ST(1)
fxch %ST(1)
fstp QWORD PTR [%EAX]
fstp QWORD PTR [%EAX + 8]
ret
Other programs should see similar improvements, across the board. Note that
in addition to reducing instruction count, this also reduces register pressure
a lot, always a good thing on X86. :)
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@11819 91177308-0d34-0410-b5e6-96231b3b80d8
2004-02-25 06:13:04 +00:00
Chris Lattner
2e68037187
Add a helper to create an addressing mode given all of the pieces.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@11818 91177308-0d34-0410-b5e6-96231b3b80d8
2004-02-25 06:01:07 +00:00
Chris Lattner
985fe3df6f
add an inefficient way of folding structure and constant array indexes together
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into a single LEA instruction. This should improve the code generated for
things like X->A.B.C[12].D.
The bigger benefit is still coming though. Note that this uses an LEA instruction
instead of an add, giving the register allocator more freedom. We should probably
never generate ADDri32's.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@11817 91177308-0d34-0410-b5e6-96231b3b80d8
2004-02-25 03:45:50 +00:00
Chris Lattner
5a83096d6a
Implement special case for storing an immediate into memory so that we don't need
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an intermediate register.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@11816 91177308-0d34-0410-b5e6-96231b3b80d8
2004-02-25 02:56:58 +00:00
Brian Gaeke
748fba141f
FunctionLiveVarInfo.h moved: include/llvm/CodeGen -> lib/Target/Sparc/LiveVar
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@11804 91177308-0d34-0410-b5e6-96231b3b80d8
2004-02-24 19:46:00 +00:00
Chris Lattner
2bcab1f900
Fix some unexpected fallout from the config.h changes. Because the CBE no
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longer was getting this #include, it always fell back on the less precise
floating point initializer values, causing some testsuite failures.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@11803 91177308-0d34-0410-b5e6-96231b3b80d8
2004-02-24 18:34:10 +00:00
Alkis Evlogimenos
743d0a1f83
Refactor rewinding code for finding the first terminator of a basic
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block into MachineBasicBlock::getFirstTerminator().
This also fixes a bug in the implementation of the above in both
RegAllocLocal and InstrSched, where instructions where added after the
terminator if the basic block's only instruction was a terminator (it
shouldn't matter for RegAllocLocal since this case never occurs in
practice).
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@11748 91177308-0d34-0410-b5e6-96231b3b80d8
2004-02-23 18:14:48 +00:00
Chris Lattner
fbc39d5045
Simplify code a bit, don't go off the end of the block, now that the current
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block we are in might be empty
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@11744 91177308-0d34-0410-b5e6-96231b3b80d8
2004-02-23 07:42:19 +00:00
Chris Lattner
65cf42d32f
We were forgetting to add FP_REG_KILL instructions to basic blocks which will
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eventually get an assignment due to elimination of PHIs.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@11743 91177308-0d34-0410-b5e6-96231b3b80d8
2004-02-23 07:29:45 +00:00
Chris Lattner
f7b42259e9
Work around a gas bug. Print '-9223372036854775808' as unsigned.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@11729 91177308-0d34-0410-b5e6-96231b3b80d8
2004-02-23 03:27:05 +00:00
Chris Lattner
311ca2e51f
Implement cast fp -> bool
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@11728 91177308-0d34-0410-b5e6-96231b3b80d8
2004-02-23 03:21:41 +00:00
Chris Lattner
baa58a5691
Stop passing iterators around by reference now that we have ilists!
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Implement cast Type::ULongTy -> double
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@11726 91177308-0d34-0410-b5e6-96231b3b80d8
2004-02-23 03:10:10 +00:00
Chris Lattner
2d0a82570a
Add a new cmove instruction
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@11722 91177308-0d34-0410-b5e6-96231b3b80d8
2004-02-23 01:16:05 +00:00
Chris Lattner
986618ebc7
Only insert FP_REG_KILL instructions in MachineBasicBlocks that actually
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use FP instructions. This reduces the number of instructions inserted in
176.gcc (for example) from 58074 to 101 (it doesn't use much FP, which
is typical). This reduction speeds up the entire code generator. In the
case of 176.gcc, llc went from taking 31.38s to 24.78s. The passes that
sped up the most are the register allocator and the 2 live variable analysis
passes, which sped up 2.3, 1.3, and 1.5s respectively. The asmprinter
pass also sped up because it doesn't print the instructions in comments :)
Note that this patch is likely to expose latent bugs in machine code passes,
because now basicblock can be empty, where they were never empty before. I
cleaned out regalloclocal, but who knows about linscan :)
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@11717 91177308-0d34-0410-b5e6-96231b3b80d8
2004-02-22 19:47:26 +00:00
Alkis Evlogimenos
890f92328d
Move MOTy::UseType enum into MachineOperand. This eliminates the
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switch statements in the constructors and simplifies the
implementation of the getUseType() member function. You will have to
specify defs using MachineOperand::Def instead of MOTy::Def though
(similarly for Use and UseAndDef).
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@11715 91177308-0d34-0410-b5e6-96231b3b80d8
2004-02-22 19:23:26 +00:00
Chris Lattner
7ca04097ad
Reduce the number of pointless copies inserted due to constant pointer refs.
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Also, make an assertion actually fireable!
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@11713 91177308-0d34-0410-b5e6-96231b3b80d8
2004-02-22 17:35:42 +00:00
Chris Lattner
827832c705
Fix bug in previous checkout: leave the iterator at the first instruction
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AFTER the GEP that was emitted. :(
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@11712 91177308-0d34-0410-b5e6-96231b3b80d8
2004-02-22 17:05:38 +00:00
Chris Lattner
3f1e8e7ceb
Completely rewrite how getelementptr instructions are expanded. This has two
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(minor) benefits right now:
1. An extra dummy MOVrr32 is gone. This move would often be coallesced by
both allocators anyway.
2. The code now uses the gep_type_iterator to walk the gep, which should future
proof it a bit. It still assumes that array indexes are Longs though.
These don't really justify rewriting the code. The big benefit will come later
though.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@11710 91177308-0d34-0410-b5e6-96231b3b80d8
2004-02-22 07:04:00 +00:00
Alkis Evlogimenos
f216421181
When folding memory operands in machine instructions be careful to
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leave register operands with the same use/def flags as the original
instruction.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@11709 91177308-0d34-0410-b5e6-96231b3b80d8
2004-02-22 06:54:26 +00:00
Chris Lattner
14c6ef7ca1
Wow this is out of date. When we have _real_ code generator documentation,
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this should be folded into it.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@11705 91177308-0d34-0410-b5e6-96231b3b80d8
2004-02-22 05:53:54 +00:00
Chris Lattner
6d2fdcfb8a
The two address pass cannot handle two addr instructions where one incoming
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value is a physreg and one is a virtreg. For this reason, disable copy folding
entirely for physregs. Also, use the new isMoveInstr target hook which gives us
folding of FP moves as well.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@11700 91177308-0d34-0410-b5e6-96231b3b80d8
2004-02-22 04:44:58 +00:00
Chris Lattner
f358c5ad15
It is totally unacceptable to print out (literally) millions of zeros when
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compiling 129.compress... so don't!
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@11649 91177308-0d34-0410-b5e6-96231b3b80d8
2004-02-20 05:49:22 +00:00
Chris Lattner
e6d04f1a99
Eliminate operator[] is deprecated warnings
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@11578 91177308-0d34-0410-b5e6-96231b3b80d8
2004-02-18 16:43:51 +00:00
Chris Lattner
fdc01cedd4
Fix deprecated operator[] warnings
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@11577 91177308-0d34-0410-b5e6-96231b3b80d8
2004-02-18 16:38:18 +00:00
Alkis Evlogimenos
e9118f3694
Fix argument size for MOVSX and MOVZX instructions.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@11576 91177308-0d34-0410-b5e6-96231b3b80d8
2004-02-18 16:20:40 +00:00
Chris Lattner
cc0d2f586f
Add support for GlobalAddress's for alkis
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@11560 91177308-0d34-0410-b5e6-96231b3b80d8
2004-02-17 18:23:55 +00:00
Alkis Evlogimenos
9b9b7fc28d
These store to memory too.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@11558 91177308-0d34-0410-b5e6-96231b3b80d8
2004-02-17 17:53:48 +00:00
Chris Lattner
acce13e4cc
These store to memory, not read from it.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@11556 91177308-0d34-0410-b5e6-96231b3b80d8
2004-02-17 17:46:50 +00:00
Alkis Evlogimenos
d886ed99fb
Instructiosn with 1 memory operand have 4 operands in our
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representation.. duh!
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@11554 91177308-0d34-0410-b5e6-96231b3b80d8
2004-02-17 15:58:13 +00:00
Alkis Evlogimenos
f41dadafae
Align case statements.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@11552 91177308-0d34-0410-b5e6-96231b3b80d8
2004-02-17 15:50:41 +00:00
Alkis Evlogimenos
14ffe75c9c
Add TEST and XCHG memory operand support.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@11550 91177308-0d34-0410-b5e6-96231b3b80d8
2004-02-17 15:48:42 +00:00
Alkis Evlogimenos
68bff8e15d
Add OR and XOR memory operand support.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@11549 91177308-0d34-0410-b5e6-96231b3b80d8
2004-02-17 15:33:14 +00:00
Alkis Evlogimenos
e287a00440
Peephole optimize SUBmi{16,32} into SUBmi{16,32}b when immediate is 8
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bits wide.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@11548 91177308-0d34-0410-b5e6-96231b3b80d8
2004-02-17 15:14:29 +00:00
Alkis Evlogimenos
cacca82833
ADDmi{16,32} should be in the next case statement.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@11547 91177308-0d34-0410-b5e6-96231b3b80d8
2004-02-17 15:10:11 +00:00
Alkis Evlogimenos
a7be982e72
Add memory operand folding support for MUL, DIV, IDIV, NEG, NOT,
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MOVSX, and MOVZX.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@11546 91177308-0d34-0410-b5e6-96231b3b80d8
2004-02-17 09:14:23 +00:00
Alkis Evlogimenos
89b0214b76
Add memory operand folding for CMP{rm,mr,mi}{8,16,32}, INCm{8,16,32}
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and DECm{8,16,32} instructions.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@11545 91177308-0d34-0410-b5e6-96231b3b80d8
2004-02-17 08:49:20 +00:00
Alkis Evlogimenos
509d6d65b5
Add CMP{rm,mr,mi}{8,16,32}, INCm{8,16,32} and DECm{8,16,32} instructions.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@11544 91177308-0d34-0410-b5e6-96231b3b80d8
2004-02-17 08:49:00 +00:00
Alkis Evlogimenos
503770cfc3
Add SUB{rm,mr,mi}{8,16,32} instructions.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@11543 91177308-0d34-0410-b5e6-96231b3b80d8
2004-02-17 08:17:40 +00:00
Alkis Evlogimenos
18bd7bb4d4
Add support for folding memory operands for ADC, SBB and SUB instructions.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@11541 91177308-0d34-0410-b5e6-96231b3b80d8
2004-02-17 08:08:51 +00:00
Alkis Evlogimenos
69da6dba79
Add support for ADC{rm.mr}32 and SBB{rm,mr}32.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@11540 91177308-0d34-0410-b5e6-96231b3b80d8
2004-02-17 08:06:31 +00:00
Chris Lattner
ee0919bb10
Add a (hidden) option to print instructions that fail to fuse. It's looking
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like compares and test's would be the next huge win...
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@11539 91177308-0d34-0410-b5e6-96231b3b80d8
2004-02-17 08:03:47 +00:00
Alkis Evlogimenos
17dc674c13
Add support for folding memory operands in MOVri{8,16,32} instructions.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@11538 91177308-0d34-0410-b5e6-96231b3b80d8
2004-02-17 07:47:20 +00:00
Chris Lattner
5b67252620
Expand the repertoire of the forms we can print and encode.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@11537 91177308-0d34-0410-b5e6-96231b3b80d8
2004-02-17 07:40:44 +00:00
Chris Lattner
651fd55d5f
Disable this peephole for now. We can't keep track of the fact that the immediate is 8 bits,
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but the memory reference is full sized.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@11536 91177308-0d34-0410-b5e6-96231b3b80d8
2004-02-17 07:36:32 +00:00
Chris Lattner
a7660be6c2
Add an option to disable spill fusing in the X86 backend
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@11531 91177308-0d34-0410-b5e6-96231b3b80d8
2004-02-17 06:30:34 +00:00
Chris Lattner
e87331d11d
Fix the mneumonics for the mov instructions to have the source and destination
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order in the correct sense!! Arg!
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@11530 91177308-0d34-0410-b5e6-96231b3b80d8
2004-02-17 06:28:19 +00:00
Chris Lattner
7ddc3fbd22
Fix the last crimes against nature that used the 'ir' ordering to use the
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'ri' ordering instead... no it's not possible to store a register into an
immediate!
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@11529 91177308-0d34-0410-b5e6-96231b3b80d8
2004-02-17 06:24:02 +00:00
Chris Lattner
f120ebbf8a
GRRR. Move instructions have swapped the order of the r/m operands.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@11528 91177308-0d34-0410-b5e6-96231b3b80d8
2004-02-17 06:20:20 +00:00
Chris Lattner
6e173a0d9c
Rename MOVi[mr] instructions to MOV[rm]i
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@11527 91177308-0d34-0410-b5e6-96231b3b80d8
2004-02-17 06:16:44 +00:00
Chris Lattner
90c38c8141
Whoops, got my cases swapped.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@11526 91177308-0d34-0410-b5e6-96231b3b80d8
2004-02-17 06:02:15 +00:00
Chris Lattner
5a051f65d3
Change to match the newer, simpler, interface
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@11525 91177308-0d34-0410-b5e6-96231b3b80d8
2004-02-17 05:54:57 +00:00
Chris Lattner
0f9c491abc
Add support for folding memory operands into AND and IMUL's
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@11523 91177308-0d34-0410-b5e6-96231b3b80d8
2004-02-17 05:46:06 +00:00
Chris Lattner
7c035b73a4
Scrunchify code, by adding helpers. No functionality changes.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@11522 91177308-0d34-0410-b5e6-96231b3b80d8
2004-02-17 05:35:13 +00:00
Chris Lattner
4ff7876c64
Add mem forms of AND instructions
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@11521 91177308-0d34-0410-b5e6-96231b3b80d8
2004-02-17 05:25:50 +00:00
Alkis Evlogimenos
b499866c05
Add API to check and fold memory operands into instructions.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@11519 91177308-0d34-0410-b5e6-96231b3b80d8
2004-02-17 04:33:18 +00:00
Chris Lattner
55b5481255
Rename the IMULri* instructions to IMULrri, as they are actually three address
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instructions. Add forms of these instructions that read from memory
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@11518 91177308-0d34-0410-b5e6-96231b3b80d8
2004-02-17 04:26:43 +00:00
Alkis Evlogimenos
31bbb5190b
Add peephole optimizations for ADD [MEM], IMM8 instructions.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@11511 91177308-0d34-0410-b5e6-96231b3b80d8
2004-02-16 23:50:18 +00:00
Alkis Evlogimenos
7271e0e107
Add two more variants of add. Update comments.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@11510 91177308-0d34-0410-b5e6-96231b3b80d8
2004-02-16 23:48:42 +00:00
Chris Lattner
e0f636a068
Add some ADD instructions that take memory operands for Alkis
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@11502 91177308-0d34-0410-b5e6-96231b3b80d8
2004-02-16 18:19:31 +00:00
Chris Lattner
e42cde2a14
Now that the lowerinvoke pass inserts calls to llvm.setjmp/llvm.longjmp, some
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hacks can be banished. Also, this gives us the opportunity to emit special code
for the setjmp/longjmps which alows the elimination of one GCC warning for every
setjmp/longjmp site (which is often THOUSANDS in C++ programs). Yaay!
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@11484 91177308-0d34-0410-b5e6-96231b3b80d8
2004-02-15 22:51:47 +00:00
Alkis Evlogimenos
859a18b583
Make dense maps keyed on physical registers smallerusing
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MRegisterInfo::getNumRegs() instead of
MRegisterInfo::FirstVirtualRegister.
Also use MRegisterInfo::is{Physical,Virtual}Register where
appropriate.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@11477 91177308-0d34-0410-b5e6-96231b3b80d8
2004-02-15 21:37:17 +00:00
Chris Lattner
de512b5b2e
Adjustments to support the new ConstantAggregateZero class
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@11474 91177308-0d34-0410-b5e6-96231b3b80d8
2004-02-15 05:55:15 +00:00
Chris Lattner
cfb0fd2ce8
Add support for the new ConstantAggregateZero class
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@11473 91177308-0d34-0410-b5e6-96231b3b80d8
2004-02-15 05:54:27 +00:00
Chris Lattner
0e5b79c174
Implement llvm.(frame|return)address(0) correctly. They are used by the LLVM JIT, among other
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applications
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@11459 91177308-0d34-0410-b5e6-96231b3b80d8
2004-02-15 01:04:03 +00:00
Alkis Evlogimenos
b929bca027
Fix problem in DEBUG code. I could be pointing past the end and
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dereferencing it causes an assertion error.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@11458 91177308-0d34-0410-b5e6-96231b3b80d8
2004-02-15 00:46:41 +00:00
Chris Lattner
96c3d2e2e7
Fix the 'have a framepointer' case, so that the frame pointer always points
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to the old saved EBP.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@11455 91177308-0d34-0410-b5e6-96231b3b80d8
2004-02-15 00:15:37 +00:00
Alkis Evlogimenos
c81efdc59c
Add back machine code deleter pass until we get a MachineCode pass
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that will be responsible for the creation of MachineFunctions and will
be required by all MachineFunctionPass passes.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@11453 91177308-0d34-0410-b5e6-96231b3b80d8
2004-02-15 00:03:15 +00:00
Chris Lattner
3193556387
Add support for the 'pop' instruction
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@11451 91177308-0d34-0410-b5e6-96231b3b80d8
2004-02-14 21:06:02 +00:00
Chris Lattner
e9dd84ea8a
There is no reason to align the stack pointer if there are no callees of this
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function!
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@11450 91177308-0d34-0410-b5e6-96231b3b80d8
2004-02-14 20:11:07 +00:00
Chris Lattner
bb07ef97cf
The prologue/epilogue related method calls have no reason to return a value,
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make them return void.
This allows us to avoid some costly MBB.size() calls
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@11448 91177308-0d34-0410-b5e6-96231b3b80d8
2004-02-14 19:49:54 +00:00
Chris Lattner
300d0eda6f
finegrainify namespacification, fix 80col prob
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@11445 91177308-0d34-0410-b5e6-96231b3b80d8
2004-02-14 06:00:36 +00:00
Chris Lattner
9f87a6ce6f
Urg, right. These need an input value...
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@11443 91177308-0d34-0410-b5e6-96231b3b80d8
2004-02-14 04:47:23 +00:00
Chris Lattner
2a0f224ce9
Codegen llvm.memset into rep stos[bwd]. Simplify code for llvm.memcpy
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@11442 91177308-0d34-0410-b5e6-96231b3b80d8
2004-02-14 04:46:05 +00:00
Chris Lattner
b89abef577
add 'rep stos[bwd]' instructions
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@11441 91177308-0d34-0410-b5e6-96231b3b80d8
2004-02-14 04:45:37 +00:00
Chris Lattner
fe1554a080
Add support for the returnaddress and frameaddress intrinsics
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@11433 91177308-0d34-0410-b5e6-96231b3b80d8
2004-02-14 02:55:36 +00:00
Alkis Evlogimenos
f81af21caf
Use newly added next() and prior() utility functions.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@11430 91177308-0d34-0410-b5e6-96231b3b80d8
2004-02-14 01:18:34 +00:00
Chris Lattner
4ef51373c4
Use intrinsic lowering like the rest of the backends. Get rid of crufty hacky
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code that worked around problems in the mangler
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@11426 91177308-0d34-0410-b5e6-96231b3b80d8
2004-02-14 00:31:10 +00:00
Chris Lattner
0712283e43
There is no need to emit a shift if the size is constant, which is common
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@11420 91177308-0d34-0410-b5e6-96231b3b80d8
2004-02-13 23:36:47 +00:00
Chris Lattner
c01ab8f3e1
Moved directory, update makefile
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@11417 91177308-0d34-0410-b5e6-96231b3b80d8
2004-02-13 23:31:12 +00:00
Chris Lattner
76a92ae84a
CBackend now lives here
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@11415 91177308-0d34-0410-b5e6-96231b3b80d8
2004-02-13 23:29:20 +00:00
Chris Lattner
f31182a531
Convert the C backend into a target, for use with LLC. This allows us to use
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the lowerallocations pass to eliminate malloc/free warnings and hackish code
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@11409 91177308-0d34-0410-b5e6-96231b3b80d8
2004-02-13 23:18:48 +00:00
Chris Lattner
94f4f8ea10
Make the cwriter use the lowerinvoke pass so that it can either use "disabled exceptions" or
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"expensive exceptions" controlled by an option. Also refactor and eliminate a bunch of cruft.
This is a temporary solution and causes millions of warnings to pour out of programs that use
exceptions, but it should fix the problem with sparc and the 'write' declaration (PR190).
Subsequent changes will make this stink much less
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@11405 91177308-0d34-0410-b5e6-96231b3b80d8
2004-02-13 23:00:29 +00:00
Alkis Evlogimenos
be766c7246
Remove getAllocatedRegNum(). Use getReg() instead.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@11393 91177308-0d34-0410-b5e6-96231b3b80d8
2004-02-13 21:01:20 +00:00
Chris Lattner
b4198a2880
Squish warning
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@11375 91177308-0d34-0410-b5e6-96231b3b80d8
2004-02-13 16:14:50 +00:00
Chris Lattner
897bf0dea5
Fine grainify namespacification, prune #includes
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@11369 91177308-0d34-0410-b5e6-96231b3b80d8
2004-02-13 06:18:21 +00:00
Chris Lattner
f8cd9148f9
Add support for memcpy and memmove intrinsics. Why isn't the cwriter using
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the intrinsiclowering code?? :(
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@11362 91177308-0d34-0410-b5e6-96231b3b80d8
2004-02-12 23:13:33 +00:00
Chris Lattner
915e5e56d7
Add support for the rep movs[bwd] instructions, and emit them when code
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generating the llvm.memcpy intrinsic.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@11351 91177308-0d34-0410-b5e6-96231b3b80d8
2004-02-12 17:53:22 +00:00
Alkis Evlogimenos
024126ee23
Change interface so that we can add to the end of a basic block
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without getting an assertion from ilist that we are dereferencing
ilist<T>::end().
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@11345 91177308-0d34-0410-b5e6-96231b3b80d8
2004-02-12 08:11:04 +00:00
Brian Gaeke
17247c64f2
Remove this MachineOpCodeFlags assertion - its test can never be false.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@11342 91177308-0d34-0410-b5e6-96231b3b80d8
2004-02-12 04:01:07 +00:00
Alkis Evlogimenos
c0b9dc5be7
Change MachineBasicBlock's vector of MachineInstr pointers into an
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ilist of MachineInstr objects. This allows constant time removal and
insertion of MachineInstr instances from anywhere in each
MachineBasicBlock. It also allows for constant time splicing of
MachineInstrs into or out of MachineBasicBlocks.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@11340 91177308-0d34-0410-b5e6-96231b3b80d8
2004-02-12 02:27:10 +00:00
Brian Gaeke
918cdd420b
getOpCode() --> getOpcode().
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@11339 91177308-0d34-0410-b5e6-96231b3b80d8
2004-02-12 01:34:05 +00:00
Brian Gaeke
12c1d2c25a
MachineInstr::getOpCode() --> getOpcode() in SPARC back-end.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@11335 91177308-0d34-0410-b5e6-96231b3b80d8
2004-02-11 20:47:34 +00:00
Chris Lattner
b009c0088c
s/getOpCode/getOpcode
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@11332 91177308-0d34-0410-b5e6-96231b3b80d8
2004-02-11 19:26:28 +00:00
Alkis Evlogimenos
6557262ee7
Increase constness.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@11322 91177308-0d34-0410-b5e6-96231b3b80d8
2004-02-11 17:55:09 +00:00
Alkis Evlogimenos
f8efea53c2
Remove assert as the only integer registers on the sparc are physical.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@11317 91177308-0d34-0410-b5e6-96231b3b80d8
2004-02-11 06:04:51 +00:00
Alkis Evlogimenos
af862116df
Fix previous broken commit. A MachineOperand may have opType ==
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MO_VirtualRegister but if the register number is one of a physical
register is it considered as a physical register.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@11315 91177308-0d34-0410-b5e6-96231b3b80d8
2004-02-11 05:55:00 +00:00
Alkis Evlogimenos
ccd79f2c21
Remove assert as it is meaningless. MachineOperands can be tagged as
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MO_VirtualRegister but actually be representing a physical register.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@11310 91177308-0d34-0410-b5e6-96231b3b80d8
2004-02-11 04:52:30 +00:00
Chris Lattner
6565043120
Expose the "Other" value type to tablegen targets
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@11304 91177308-0d34-0410-b5e6-96231b3b80d8
2004-02-11 03:08:45 +00:00
Chris Lattner
61b08f193a
Add #include
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@11285 91177308-0d34-0410-b5e6-96231b3b80d8
2004-02-10 21:18:55 +00:00
Chris Lattner
9d58a500fc
Stop using this method
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@11282 91177308-0d34-0410-b5e6-96231b3b80d8
2004-02-10 21:12:06 +00:00
Chris Lattner
c31ecb9aae
Remove uses of MachineOperand::isVirtualRegister
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@11281 91177308-0d34-0410-b5e6-96231b3b80d8
2004-02-10 20:55:47 +00:00
Chris Lattner
ebcd7941f0
Remvoe use of MO.isVirtualRegister(), turn an assertion into an assert()
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@11280 91177308-0d34-0410-b5e6-96231b3b80d8
2004-02-10 20:47:24 +00:00
Chris Lattner
bd0485034c
Remove use of isPhysicalRegister
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@11277 91177308-0d34-0410-b5e6-96231b3b80d8
2004-02-10 20:35:42 +00:00
Chris Lattner
6d21518718
Don't use MachineOperator::is(Phys|Virt)Register
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@11276 91177308-0d34-0410-b5e6-96231b3b80d8
2004-02-10 20:31:28 +00:00
Chris Lattner
0bbf3052c2
Tighten up checks
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@11274 91177308-0d34-0410-b5e6-96231b3b80d8
2004-02-10 20:25:13 +00:00
Chris Lattner
21e79cbacd
Fix PR228: [sparc] Boolean constants are emitted as true and false
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I will observe that the concept of using WriteAsOperand is completely broken,
but then we all knew that, didn't we?
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@11255 91177308-0d34-0410-b5e6-96231b3b80d8
2004-02-10 05:16:44 +00:00
Misha Brukman
2647c3925b
Doxygenify comments.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@11252 91177308-0d34-0410-b5e6-96231b3b80d8
2004-02-09 23:18:42 +00:00
John Criswell
ccb2a677af
Fix PR#226: When emitting padding, always emit it as bytes. Bytes can be
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placed into any alignment situation.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@11247 91177308-0d34-0410-b5e6-96231b3b80d8
2004-02-09 22:15:33 +00:00
Brian Gaeke
f738db0818
Move InstrSchedule's iterator begin/end methods inline.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@11239 91177308-0d34-0410-b5e6-96231b3b80d8
2004-02-09 18:42:46 +00:00
Brian Gaeke
0dc5753f2b
Make SchedGraph::dump() use SchedGraphNodeCommon's const_iterator
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instead of randomly groping about inside its outEdges array.
Make SchedGraph::addDummyEdges() use getNumOutEdges() instead of
outEdges.size().
Get rid of ifdefed-out code in SchedGraph::buildGraph().
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@11238 91177308-0d34-0410-b5e6-96231b3b80d8
2004-02-09 18:42:05 +00:00
Chris Lattner
d21cd809b6
Adjust to the changed StructType interface. In particular, getElementTypes() is gone.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@11228 91177308-0d34-0410-b5e6-96231b3b80d8
2004-02-09 04:37:31 +00:00
Chris Lattner
d5d8996720
Start using the new and improve interface to FunctionType arguments
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@11224 91177308-0d34-0410-b5e6-96231b3b80d8
2004-02-09 04:14:01 +00:00
Chris Lattner
f6f263ce8c
Add a new (hidden) option that is useful for profiling.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@11218 91177308-0d34-0410-b5e6-96231b3b80d8
2004-02-09 01:47:10 +00:00
Chris Lattner
aeb2a1d708
rename the "exceptional" destination of an invoke instruction to the 'unwind' dest
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@11202 91177308-0d34-0410-b5e6-96231b3b80d8
2004-02-08 21:44:31 +00:00
Alkis Evlogimenos
14be64018f
Modify the two address instruction pass to remove the duplicate
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operand of the instruction and thus simplify the register allocation.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@11124 91177308-0d34-0410-b5e6-96231b3b80d8
2004-02-04 22:17:40 +00:00
Brian Gaeke
74ceb298fe
Take away the default iostream argument of createMachineFunctionPrinterPass(),
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at Chris's request.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@11120 91177308-0d34-0410-b5e6-96231b3b80d8
2004-02-04 21:41:01 +00:00
Alkis Evlogimenos
f0339396c1
IMULri* instructions do not require their first two registers operands
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to be the same (IOW they are not two address instructions).
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@11117 91177308-0d34-0410-b5e6-96231b3b80d8
2004-02-04 17:21:04 +00:00
Chris Lattner
9f08a92e6c
Generate ftst instructions for comparison against zero
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@11098 91177308-0d34-0410-b5e6-96231b3b80d8
2004-02-03 18:54:04 +00:00
Chris Lattner
3b904eb351
Add the ftst instruction
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@11095 91177308-0d34-0410-b5e6-96231b3b80d8
2004-02-03 07:27:50 +00:00
Chris Lattner
b97046ae4f
Add support for one argument OneArgFP instructions
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@11094 91177308-0d34-0410-b5e6-96231b3b80d8
2004-02-03 07:27:34 +00:00
Chris Lattner
1580193020
No need to declare implicit uses/defs of ST0
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@11081 91177308-0d34-0410-b5e6-96231b3b80d8
2004-02-02 19:57:45 +00:00
Chris Lattner
9f8fd6d9ea
Generate the fchs instruction to negate a floating point number
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@11078 91177308-0d34-0410-b5e6-96231b3b80d8
2004-02-02 19:31:38 +00:00
Chris Lattner
4a06f35484
Add support for OneArgFPRW instructions, fix a couple of typeos
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@11077 91177308-0d34-0410-b5e6-96231b3b80d8
2004-02-02 19:23:15 +00:00
Brian Gaeke
03f84a969c
Include PowerPC.h. Flesh out the stub versions of addPassesToEmitAssembly()
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and addPassesToJITCompile() slightly.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@11076 91177308-0d34-0410-b5e6-96231b3b80d8
2004-02-02 19:06:36 +00:00
Brian Gaeke
b77232d1fc
Add comments describing how you would add prototypes for factory methods for
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PowerPC-specific passes here.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@11073 91177308-0d34-0410-b5e6-96231b3b80d8
2004-02-02 19:05:28 +00:00
Chris Lattner
af70362e40
Codegen -0.0 correctly. Do not use fldz! This is another -0.0 == +0.0 problem, arg.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@11070 91177308-0d34-0410-b5e6-96231b3b80d8
2004-02-02 18:56:30 +00:00
Alkis Evlogimenos
a1b6f95f78
FpMOV is also a move instruction.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@11055 91177308-0d34-0410-b5e6-96231b3b80d8
2004-02-01 08:22:16 +00:00
Chris Lattner
847df25e7d
Add some comments sketching out how this is to work eventually.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@11026 91177308-0d34-0410-b5e6-96231b3b80d8
2004-01-30 22:25:18 +00:00
Chris Lattner
79b13735ad
Add a new flag, which is only used for symmetry.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@11025 91177308-0d34-0410-b5e6-96231b3b80d8
2004-01-30 22:24:18 +00:00
Chris Lattner
cf93cdde56
Add (currently disabled) support to the instruction selector to only insert
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FP_REG_KILL instructions at the end of blocks involved with critical edges.
Fix a bug where FP_REG_KILL instructions weren't inserted in fall through
unconditional branches. Perhaps this will fix some linscan problems?
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@11019 91177308-0d34-0410-b5e6-96231b3b80d8
2004-01-30 22:13:44 +00:00
Brian Gaeke
97374d40d0
Add a new (static inline) std::ostream& << AllocInfo& method. Use it.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@11002 91177308-0d34-0410-b5e6-96231b3b80d8
2004-01-28 19:05:43 +00:00
Brian Gaeke
954e3164be
Add the JITInfo object, accessor & initializer.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@10972 91177308-0d34-0410-b5e6-96231b3b80d8
2004-01-23 06:39:30 +00:00
Brian Gaeke
7b0cd6d6cb
Add CodeEmitter and JITInfo stubs. Dump the old
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PowerPCTargetMachine::addPassesToJITCompile() method, in favor of the
TargetJITInfo interface.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@10971 91177308-0d34-0410-b5e6-96231b3b80d8
2004-01-23 06:35:43 +00:00
Brian Gaeke
b1b9dc35a7
Build the PowerPC directory, so it is less likely to bit-rot (again)
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@10938 91177308-0d34-0410-b5e6-96231b3b80d8
2004-01-21 21:16:10 +00:00
Brian Gaeke
ca78f49234
Import of skeletal PowerPC backend I have had laying around for months...
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@10937 91177308-0d34-0410-b5e6-96231b3b80d8
2004-01-21 21:13:19 +00:00
Tanya Lattner
06723077ed
Moved iterators around.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@10926 91177308-0d34-0410-b5e6-96231b3b80d8
2004-01-20 17:51:13 +00:00
Tanya Lattner
a105c802b2
Moved iterators to common file.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@10925 91177308-0d34-0410-b5e6-96231b3b80d8
2004-01-20 17:49:42 +00:00
Misha Brukman
cbbbdf768f
Use the LLVM standard name mangling infrastructure instead of reinventing the
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wheel.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@10891 91177308-0d34-0410-b5e6-96231b3b80d8
2004-01-15 22:44:19 +00:00
Brian Gaeke
d011a027e0
Include TargetRegInfo.h and declare SparcTargetMachine forward, to make this
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header more easily includable.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@10880 91177308-0d34-0410-b5e6-96231b3b80d8
2004-01-15 18:17:07 +00:00
Brian Gaeke
0f5918a0b6
Make this assertion more self-explanatory.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@10879 91177308-0d34-0410-b5e6-96231b3b80d8
2004-01-15 18:15:58 +00:00
Chris Lattner
07ad64231f
Eliminate the isStringCompatible function, using ConstantArray::isString.
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It's not clear why the code was looking for signed chars < 0, but it can't
matter to the assembler anyway, so the check goes away. This also fixes
compatibility with arrays of [us]byte that have constantexprs in them.
Also slightly restructure some code to be cleaner.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@10854 91177308-0d34-0410-b5e6-96231b3b80d8
2004-01-14 17:15:17 +00:00
Chris Lattner
aa06d0439e
Eliminate the isStringCompatible function, using ConstantArray::isString.
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It's not clear why the code was looking for signed chars < 0, but it can't
matter to the assembler anyway, so the check goes away.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@10853 91177308-0d34-0410-b5e6-96231b3b80d8
2004-01-14 17:14:42 +00:00
Chris Lattner
7446dc0c4f
Finegrainify namespacification
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Using the SlotCalculator is total overkill for this file, a simple map
will suffice. Why doesn't this use the NameMangler interface?
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@10823 91177308-0d34-0410-b5e6-96231b3b80d8
2004-01-13 21:27:59 +00:00
Brian Gaeke
f954326741
Remove dump-input option.
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Make addPassesToEmitAssembly() look slightly more like addPassesToJITCompile().
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@10818 91177308-0d34-0410-b5e6-96231b3b80d8
2004-01-13 19:26:21 +00:00
Chris Lattner
d4d4ab58ef
Eliminate use of ConstantHandling itf
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@10782 91177308-0d34-0410-b5e6-96231b3b80d8
2004-01-12 18:08:18 +00:00
Alkis Evlogimenos
f998a7e671
Output mov %REG = 0 instead of xor %REG, %REG, %REG to clear a
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register so that LiveVariable analysis is not confused.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@10773 91177308-0d34-0410-b5e6-96231b3b80d8
2004-01-12 07:22:45 +00:00
Chris Lattner
9982e211ce
Move sparc-specific livevar code into lib/Target/Sparc
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@10733 91177308-0d34-0410-b5e6-96231b3b80d8
2004-01-09 18:15:24 +00:00
Chris Lattner
1d415a967b
Fix more incestuous #includage.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@10732 91177308-0d34-0410-b5e6-96231b3b80d8
2004-01-09 16:17:09 +00:00
Chris Lattner
46de01e0c8
Move InstrSelection into lib/Target/Sparc, as it's sparc specific. This
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makes the incestuous #include'ing of sparc internal headers much less
disturbing. :)
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@10729 91177308-0d34-0410-b5e6-96231b3b80d8
2004-01-09 06:22:34 +00:00
Chris Lattner
75e260990d
Move lib/Codegen/RegAlloc into lib/Target/Sparc, as it is sparc specific
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@10728 91177308-0d34-0410-b5e6-96231b3b80d8
2004-01-09 06:17:12 +00:00
Chris Lattner
f70e0c216c
Clean up a lot of the code I added yesterday by exposing the IntrinsicLowering
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implementation from the TargetMachine directly.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@10636 91177308-0d34-0410-b5e6-96231b3b80d8
2003-12-28 21:23:38 +00:00
Alkis Evlogimenos
5e30002af7
Add TargetInstrInfo::isMoveInstr() to support coalescing in register
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allocation.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@10633 91177308-0d34-0410-b5e6-96231b3b80d8
2003-12-28 17:35:08 +00:00
Chris Lattner
aed386e6b0
Whoops, don't try to lower non intrinsic calls
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@10632 91177308-0d34-0410-b5e6-96231b3b80d8
2003-12-28 09:53:23 +00:00
Chris Lattner
4482715f3d
implement support for the intrinsic lowering functionality
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@10629 91177308-0d34-0410-b5e6-96231b3b80d8
2003-12-28 09:47:19 +00:00
Chris Lattner
37b1826aab
Eliminate some code that is not needed now that we have the intrinsic lowering pass
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@10628 91177308-0d34-0410-b5e6-96231b3b80d8
2003-12-28 09:46:33 +00:00
Chris Lattner
f8742b3e03
Use the intrinsic lowering functionality
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@10626 91177308-0d34-0410-b5e6-96231b3b80d8
2003-12-28 09:43:35 +00:00
Chris Lattner
f045328dd1
finegrainify namespacification
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add new getIntPtrType() method
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@10579 91177308-0d34-0410-b5e6-96231b3b80d8
2003-12-22 05:01:15 +00:00
Misha Brukman
3615845b3e
Really release memory used by functions. Patch by Chris.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@10572 91177308-0d34-0410-b5e6-96231b3b80d8
2003-12-22 03:47:58 +00:00
Alkis Evlogimenos
0ef76cadbb
Move FP_REG_KILL closer to the return instruction.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@10567 91177308-0d34-0410-b5e6-96231b3b80d8
2003-12-21 16:47:43 +00:00
Alkis Evlogimenos
9abc81790e
Move FP_REG_KILL closer to the actual branch instruction.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@10563 91177308-0d34-0410-b5e6-96231b3b80d8
2003-12-20 17:28:15 +00:00
Alkis Evlogimenos
e0bb3e766d
Remove floating point killer pass. This is now implemented in the
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instruction selector by adding a new pseudo-instruction
FP_REG_KILL. This instruction implicitly defines all x86 fp registers
and is a terminator so that passes which add machine code at the end
of basic blocks (like phi elimination) do not add instructions between
it and the branch or return instruction.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@10562 91177308-0d34-0410-b5e6-96231b3b80d8
2003-12-20 16:22:59 +00:00
Chris Lattner
655239cc6b
Finally, _actually delete the machine code_ for a function, after it has
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been emitted. Also, since the FPK pass is causing memory access violations,
disable it.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@10559 91177308-0d34-0410-b5e6-96231b3b80d8
2003-12-20 10:20:19 +00:00
Chris Lattner
9068574a29
Fix memory leak in the stackifier, due to the machinebasicblocks not holding
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instructions on an ilist
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@10556 91177308-0d34-0410-b5e6-96231b3b80d8
2003-12-20 10:12:17 +00:00
Chris Lattner
f2e49d4c1a
Finegrainify namespacification
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Minor cleanups to killer pass
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@10555 91177308-0d34-0410-b5e6-96231b3b80d8
2003-12-20 09:58:55 +00:00
Chris Lattner
583b9d8455
Hoist some sparc specific code into the sparc target
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@10554 91177308-0d34-0410-b5e6-96231b3b80d8
2003-12-20 09:17:40 +00:00
Chris Lattner
61838824c2
Remove a horrible API
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@10551 91177308-0d34-0410-b5e6-96231b3b80d8
2003-12-20 09:15:01 +00:00
Chris Lattner
2828970819
A minor cleanup for better encapsulation
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@10545 91177308-0d34-0410-b5e6-96231b3b80d8
2003-12-20 02:03:14 +00:00
Chris Lattner
1e60a9165d
Rip JIT specific stuff out of TargetMachine, as per PR176
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@10542 91177308-0d34-0410-b5e6-96231b3b80d8
2003-12-20 01:22:19 +00:00
Misha Brukman
97f9cf2de2
* Converted C-style comments to C++
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* Doxygenified comments
* Reordered #includes
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@10503 91177308-0d34-0410-b5e6-96231b3b80d8
2003-12-17 22:08:20 +00:00
Misha Brukman
3d0ad411a5
Reordered #includes.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@10502 91177308-0d34-0410-b5e6-96231b3b80d8
2003-12-17 22:06:28 +00:00
Misha Brukman
c3402cd735
Doxygenified some comments, reduced extraneous space.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@10501 91177308-0d34-0410-b5e6-96231b3b80d8
2003-12-17 22:06:08 +00:00
Misha Brukman
d71295a684
Reorganized the Sparc backend to be more modular -- each different
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implementation of a Target{RegInfo, InstrInfo, Machine, etc} now has a separate
header and a separate implementation file.
This means that instead of a massive SparcInternals.h that forces a
recompilation of the whole target whenever a minor detail is changed, you should
only recompile a few files.
Note that SparcInternals.h is still around; its contents should be minimized.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@10500 91177308-0d34-0410-b5e6-96231b3b80d8
2003-12-17 22:04:00 +00:00
Alkis Evlogimenos
4d7af65903
Change interface of MachineOperand as follows:
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a) remove opIsUse(), opIsDefOnly(), opIsDefAndUse()
b) add isUse(), isDef()
c) rename opHiBits32() to isHiBits32(),
opLoBits32() to isLoBits32(),
opHiBits64() to isHiBits64(),
opLoBits64() to isLoBits64().
This results to much more readable code, for example compare
"op.opIsDef() || op.opIsDefAndUse()" to "op.isDef()" a pattern used
very often in the code.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@10461 91177308-0d34-0410-b5e6-96231b3b80d8
2003-12-14 13:24:17 +00:00
Alkis Evlogimenos
97323a47d8
Change preserve all claim to just preserve live variables and phielimination.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@10460 91177308-0d34-0410-b5e6-96231b3b80d8
2003-12-14 10:14:23 +00:00
Alkis Evlogimenos
359b65f782
Add a floating point killer pass. This pass runs before register
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allocaton on the X86 to add information to the machine code denoting
that our floating point stackifier cannot handle virtual point
register that are alive across basic blocks. This pass adds an
implicit def of all virtual floating point register at the end of each
basic block.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@10446 91177308-0d34-0410-b5e6-96231b3b80d8
2003-12-13 05:36:22 +00:00
John Criswell
52b62de100
Modified cast so that it converts the int to a long before casting to
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a pointer. This evades a warning emitted by GCC when we cast from
unsigned int (32 bit) to void * (64 bit) on SparcV9.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@10435 91177308-0d34-0410-b5e6-96231b3b80d8
2003-12-12 19:57:48 +00:00
Chris Lattner
65b05ce022
Implement the TargetMachine::getJITStubForFunction method for X86, finegrainify
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namespacification.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@10430 91177308-0d34-0410-b5e6-96231b3b80d8
2003-12-12 07:11:18 +00:00
Brian Gaeke
27f7a71a25
Turn off "attribute weak" to pacify Mac OS X's system compiler, which prints a
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warning whenever it sees it.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@10391 91177308-0d34-0410-b5e6-96231b3b80d8
2003-12-11 00:24:36 +00:00
John Criswell
f5ba89df1f
This appears to fix Bug 172 and does not break any other feature tests or
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regression tests.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@10388 91177308-0d34-0410-b5e6-96231b3b80d8
2003-12-10 22:51:41 +00:00
John Criswell
0284a42fd3
Upon Chris's suggestion, moved the #ifdef's to the generated C code.
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This makes LLVM and the generated C code more portable.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@10377 91177308-0d34-0410-b5e6-96231b3b80d8
2003-12-10 18:17:57 +00:00
John Criswell
01b2d61311
Fixed the CBE on Solaris/Sparc. We need to define the return value of
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the write() system call because it returns 64 bits on Solaris 64 bit,
and an implicit return value of int says it returns 32 bits.
Admittedly, this is a bit of a hack.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@10375 91177308-0d34-0410-b5e6-96231b3b80d8
2003-12-10 18:06:34 +00:00
Chris Lattner
9b527704f7
Add an option to enable the SSA based peephole optimizer.
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Eventually this pass will provide substantially better code in the interim between when we
have a crappy isel and nice isel. Unfortunately doing so requires fixing the backend to
actually SUPPORT all of the fancy addressing modes that we now generate, and writing a DCE
pass for machine code. Each of these is a fairly substantial job, so this will remain disabled
for the immediate future. :(
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@10276 91177308-0d34-0410-b5e6-96231b3b80d8
2003-12-01 05:18:30 +00:00
Chris Lattner
4537076ee8
Add a new SSA-based peephole optimizer which includes copy propagation and
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folding of instructions into addressing modes. This creates lots of dead
instructions, which are currently not deleted. It also creates a lot of
instructions that the X86 backend currently cannot handle. :(
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@10275 91177308-0d34-0410-b5e6-96231b3b80d8
2003-12-01 05:15:28 +00:00
Chris Lattner
f2d2925452
generalize the instruction types permitted a bit
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@10274 91177308-0d34-0410-b5e6-96231b3b80d8
2003-12-01 05:13:56 +00:00
Chris Lattner
e1cc79f1cf
Finegrainify namespacification
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@10270 91177308-0d34-0410-b5e6-96231b3b80d8
2003-11-30 06:13:25 +00:00
Chris Lattner
4f7e173cbd
output foo(void) as appropriate
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@10232 91177308-0d34-0410-b5e6-96231b3b80d8
2003-11-26 00:09:17 +00:00
Chris Lattner
bc771c5608
Fix bug in previous checkin
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@10231 91177308-0d34-0410-b5e6-96231b3b80d8
2003-11-25 23:44:40 +00:00
Chris Lattner
23e907082a
Do not depend on the gep index types to determine what flavor of index it is
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@10225 91177308-0d34-0410-b5e6-96231b3b80d8
2003-11-25 20:49:55 +00:00
Brian Gaeke
f9c86cf5cf
Support constant casting constant pointers to ints/uints, and/or
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the other way around, instead of failing a large, tumor-like assertion.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@10171 91177308-0d34-0410-b5e6-96231b3b80d8
2003-11-22 07:18:25 +00:00
Brian Gaeke
dfcc9cfaa8
Constant shift expressions, meet InstSelectSimple. Yow!!
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@10170 91177308-0d34-0410-b5e6-96231b3b80d8
2003-11-22 06:49:41 +00:00
Brian Gaeke
2dd3e1b435
Stub for constant shift expr support.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@10168 91177308-0d34-0410-b5e6-96231b3b80d8
2003-11-22 05:18:35 +00:00
Brian Gaeke
0415b6c57a
Fix PR149 - support constant shift expressions.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@10167 91177308-0d34-0410-b5e6-96231b3b80d8
2003-11-22 05:02:56 +00:00
Misha Brukman
a59f41fc6c
* Add code to flush the ICache, which any self-respecting SMC must do
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* Restore registers *after* everything else to avoid any possible side effects
This fixes McCat-imp.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@10147 91177308-0d34-0410-b5e6-96231b3b80d8
2003-11-21 23:48:54 +00:00
Chris Lattner
62b767b8d7
Fix PR123
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@10069 91177308-0d34-0410-b5e6-96231b3b80d8
2003-11-18 17:47:05 +00:00
Chris Lattner
c59c118e44
ISO 9899 7.13.2.1 (3) says that "[...] the values of objects of automatic
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storage duration that are local to the function containing the invocation of the
[...] setjmp macro that do not have volatile-qualified type and have been
changed between the setjmp invocation and longjmp call are indeterminate."
As such, we have to mark all variables in a function that uses 'invoke' as
volatile.
This fixes PR77
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@10035 91177308-0d34-0410-b5e6-96231b3b80d8
2003-11-16 22:06:14 +00:00
Misha Brukman
c6b1584de6
Include the file before we close the llvm namespace.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@9954 91177308-0d34-0410-b5e6-96231b3b80d8
2003-11-13 00:23:05 +00:00
Misha Brukman
6275a04768
Substantially re-organized this file:
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* There is now only one pass to print out assembly instead of two
* It is a FunctionPass
* The Module-level printing of globals is now in doFinalization() method of the
FunctionPass
* The code has been reformatted to follow LLVM coding standards
* Some comments, not all, were doxygenified
* Last but not least, the function to create an instance of this pass is also no
longer a method in the UltraSparc class.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@9953 91177308-0d34-0410-b5e6-96231b3b80d8
2003-11-13 00:22:19 +00:00
Misha Brukman
661a571053
The function to create an instance of this pass is no longer a method of
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the UltraSparc class.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@9952 91177308-0d34-0410-b5e6-96231b3b80d8
2003-11-13 00:19:02 +00:00
Misha Brukman
7e060be881
The functions to create new instances of passes are no longer methods in the
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UltraSparc class. Comments are also doxygen-compatible now.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@9951 91177308-0d34-0410-b5e6-96231b3b80d8
2003-11-13 00:17:20 +00:00
Misha Brukman
1be1a235d7
* Put command-line switches in their own namespace
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* Pass creation functions are no longer in the UltraSparc class
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@9950 91177308-0d34-0410-b5e6-96231b3b80d8
2003-11-13 00:16:28 +00:00
Misha Brukman
bede635646
Force a dependency on the .inc file, which must be generated!
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@9949 91177308-0d34-0410-b5e6-96231b3b80d8
2003-11-13 00:05:09 +00:00
Brian Gaeke
d0fde30ce8
Put all LLVM code into the llvm namespace, as per bug 109.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@9903 91177308-0d34-0410-b5e6-96231b3b80d8
2003-11-11 22:41:34 +00:00
Brian Gaeke
e9414cab00
Fix problems linking against the reoptimizer; _llvm_regAllocState must have
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externally-visible linkage, and SaveStateToModule must default to true for llc.
I don't remember why I made it const; perhaps it should be deconstified.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@9858 91177308-0d34-0410-b5e6-96231b3b80d8
2003-11-10 07:12:01 +00:00
Brian Gaeke
213904133d
Operand numbers are now ints. Save the register allocation of the value
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each instruction produces as "operand" -1, and the other operands as 0
.. n, as before. PhyRegAlloc::saveState() is refactored into
PhyRegAlloc::saveStateForValue().
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@9842 91177308-0d34-0410-b5e6-96231b3b80d8
2003-11-10 00:05:26 +00:00
Brian Gaeke
1654bdba0b
Fix PR103
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@9830 91177308-0d34-0410-b5e6-96231b3b80d8
2003-11-09 07:08:34 +00:00
Brian Gaeke
641271df3c
Fix two typos I found in comments.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@9806 91177308-0d34-0410-b5e6-96231b3b80d8
2003-11-08 18:12:24 +00:00
Misha Brukman
6d2670de22
For some reason, LICM and GCSE like to crash the FunctionPassManager when they
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are being added as FunctionPasses... Sigh.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@9798 91177308-0d34-0410-b5e6-96231b3b80d8
2003-11-08 00:01:39 +00:00
Misha Brukman
52709450c8
Implement branching to a PC-relative constant (not a BasicBlock).
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@9793 91177308-0d34-0410-b5e6-96231b3b80d8
2003-11-07 21:07:30 +00:00
Misha Brukman
351881793a
PreSelection is not optional, it performs a necessary and vital transformation
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for the Sparc backend: breaking up constant expressions. Thus, we cannot have it
guarded by a conditional, it should never be disabled.
Also, it's now available for the JIT since it is a FunctionPass.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@9791 91177308-0d34-0410-b5e6-96231b3b80d8
2003-11-07 20:33:25 +00:00