Chris Lattner
25b8390bf2
Add a simple call constant propagation interface.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@12919 91177308-0d34-0410-b5e6-96231b3b80d8
2004-04-13 19:28:52 +00:00
Chris Lattner
4647b7cd69
Constant propagation should remove the dead instructions
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@12917 91177308-0d34-0410-b5e6-96231b3b80d8
2004-04-13 19:28:20 +00:00
Brian Gaeke
ef8e48aae0
I don't think we have to have 4 extra allocated (but unused) bytes on the stack.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@12905 91177308-0d34-0410-b5e6-96231b3b80d8
2004-04-13 18:28:37 +00:00
Brian Gaeke
3d11e8a6d3
I started working on casts, but I don't have anything compilable yet.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@12903 91177308-0d34-0410-b5e6-96231b3b80d8
2004-04-13 18:27:46 +00:00
Chris Lattner
87e18deabc
Emit the immediate form of in/out when possible.
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Fix several bugs in the intrinsics:
1. Make sure to copy the input registers before the instructions that use them
2. Make sure to copy the value returned by 'in' out of EAX into the register
it is supposed to be in.
This fixes assertions when using in/out and linear scan.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@12896 91177308-0d34-0410-b5e6-96231b3b80d8
2004-04-13 17:20:37 +00:00
Chris Lattner
440bbc257e
Add immediate forms of in/out. Use let to shorten lines
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@12895 91177308-0d34-0410-b5e6-96231b3b80d8
2004-04-13 17:19:31 +00:00
Chris Lattner
e47f4ff9f6
Add support for new instruction type
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@12894 91177308-0d34-0410-b5e6-96231b3b80d8
2004-04-13 17:18:51 +00:00
Chris Lattner
266538350a
Add support for the printImplicitDefsBefore flag
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@12893 91177308-0d34-0410-b5e6-96231b3b80d8
2004-04-13 17:18:39 +00:00
Chris Lattner
4b66242c54
Fix LoopSimplify/2004-04-13-LoopSimplifyUpdateDomFrontier.ll
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LoopSimplify was not updating dominator frontiers correctly in some cases.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@12890 91177308-0d34-0410-b5e6-96231b3b80d8
2004-04-13 16:23:25 +00:00
Chris Lattner
1f62f82b05
Refactor code a bit to make it simpler and eliminate the goto
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@12888 91177308-0d34-0410-b5e6-96231b3b80d8
2004-04-13 15:21:18 +00:00
Chris Lattner
529b28da45
This patch addresses PR35: Loop simplify should reconstruct nested loops.
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This is fairly straight-forward, but was a real nightmare to get just
perfect. aarg. :)
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@12884 91177308-0d34-0410-b5e6-96231b3b80d8
2004-04-13 05:05:33 +00:00
Brian Gaeke
5f0b51547c
We don't need to insert TargetData into the PassManager here.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@12874 91177308-0d34-0410-b5e6-96231b3b80d8
2004-04-12 21:46:31 +00:00
Alkis Evlogimenos
6e4d0d6546
Fix bug introduced in previous commit.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@12872 91177308-0d34-0410-b5e6-96231b3b80d8
2004-04-12 20:26:39 +00:00
Chris Lattner
46758a894f
Add some methods that are useful for updating loop information.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@12871 91177308-0d34-0410-b5e6-96231b3b80d8
2004-04-12 20:26:17 +00:00
Alkis Evlogimenos
43b61f724e
Correctly compute spill weights
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@12869 91177308-0d34-0410-b5e6-96231b3b80d8
2004-04-12 17:39:20 +00:00
Alkis Evlogimenos
e633352fd5
Print def lists a bit more compactly
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@12866 91177308-0d34-0410-b5e6-96231b3b80d8
2004-04-12 15:57:58 +00:00
Chris Lattner
ce1a3a292d
Actually update the call graph as the inliner changes it. This allows us to
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execute other CallGraphSCCPasses after the inliner without crashing.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@12861 91177308-0d34-0410-b5e6-96231b3b80d8
2004-04-12 05:37:29 +00:00
Chris Lattner
b81c021f14
Change the call graph class to have TWO external nodes, making call graph
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SCC passes much more useful. In particular, this should fix the incredibly
stupid missed inlining opportunities that the inliner suffered from.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@12860 91177308-0d34-0410-b5e6-96231b3b80d8
2004-04-12 05:36:32 +00:00
Chris Lattner
7512c08bfd
Hrm, operator new and new[] do not belong here. We should not CSE them! :)
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@12859 91177308-0d34-0410-b5e6-96231b3b80d8
2004-04-12 05:16:42 +00:00
Chris Lattner
1708d12916
Add support for removing invoke instructions
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@12858 91177308-0d34-0410-b5e6-96231b3b80d8
2004-04-12 05:15:13 +00:00
Chris Lattner
85eb157d96
Stop printing Function*
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@12857 91177308-0d34-0410-b5e6-96231b3b80d8
2004-04-12 04:06:56 +00:00
Chris Lattner
d08ddd3300
Simplify code a bit, and be sure to mark the external node as potentially throwing
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@12856 91177308-0d34-0410-b5e6-96231b3b80d8
2004-04-12 04:06:38 +00:00
Chris Lattner
133dbb1285
Fix issues that the local allocator has dealing with instructions that implicitly use ST(0)
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@12855 91177308-0d34-0410-b5e6-96231b3b80d8
2004-04-12 03:02:48 +00:00
Chris Lattner
284b496aae
No really, fix printing for LLC. I gotta get a way for CVS to whine at me if
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I have unsaved emacs buffers, geeze...
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@12854 91177308-0d34-0410-b5e6-96231b3b80d8
2004-04-12 01:52:04 +00:00
Chris Lattner
2fc83a5ba6
Correct printing for LLC and the encoding for the JIT
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@12853 91177308-0d34-0410-b5e6-96231b3b80d8
2004-04-12 01:50:04 +00:00
Chris Lattner
8d2822e7f1
Use the fucomi[p] instructions to perform floating point comparisons instead
...
of the fucom[p][p] instructions. This allows us to code generate this function
bool %test(double %X, double %Y) {
%C = setlt double %Y, %X
ret bool %C
}
... into:
test:
fld QWORD PTR [%ESP + 4]
fld QWORD PTR [%ESP + 12]
fucomip %ST(1)
fstp %ST(0)
setb %AL
movsx %EAX, %AL
ret
where before we generated:
test:
fld QWORD PTR [%ESP + 4]
fld QWORD PTR [%ESP + 12]
fucompp
** fnstsw
** sahf
setb %AL
movsx %EAX, %AL
ret
The two marked instructions (which are the ones eliminated) are very bad,
because they serialize execution of the processor. These instructions are
available on the PPRO and later, but since we already use cmov's we aren't
losing any portability.
I retained the old code for the day when we decide we want to support back
to the 386.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@12852 91177308-0d34-0410-b5e6-96231b3b80d8
2004-04-12 01:43:36 +00:00
Chris Lattner
c040bca4b9
Add support for the FUCOMIr instruction
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@12851 91177308-0d34-0410-b5e6-96231b3b80d8
2004-04-12 01:39:15 +00:00
Chris Lattner
a1b5e160ed
Add two new instructions
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@12850 91177308-0d34-0410-b5e6-96231b3b80d8
2004-04-12 01:38:55 +00:00
Chris Lattner
9938286325
Fix a bug in my load/cast folding patch.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@12849 91177308-0d34-0410-b5e6-96231b3b80d8
2004-04-12 00:23:04 +00:00
Chris Lattner
13c07feb20
Adjust some comments, fix a bug in my previous patch
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@12848 91177308-0d34-0410-b5e6-96231b3b80d8
2004-04-12 00:12:04 +00:00
Chris Lattner
feac3e18aa
On X86, casting an integer to floating point requires going through memory.
...
If the source of the cast is a load, we can just use the source memory location,
without having to create a temporary stack slot entry.
Before we code generated this:
double %int(int* %P) {
%V = load int* %P
%V2 = cast int %V to double
ret double %V2
}
into:
int:
sub %ESP, 4
mov %EAX, DWORD PTR [%ESP + 8]
mov %EAX, DWORD PTR [%EAX]
mov DWORD PTR [%ESP], %EAX
fild DWORD PTR [%ESP]
add %ESP, 4
ret
Now we produce this:
int:
mov %EAX, DWORD PTR [%ESP + 4]
fild DWORD PTR [%EAX]
ret
... which is nicer.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@12846 91177308-0d34-0410-b5e6-96231b3b80d8
2004-04-11 23:21:26 +00:00
Chris Lattner
95157f7638
Implement folding of loads into floating point operations. This implements:
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test/Regression/CodeGen/X86/fp_load_fold.llx
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@12844 91177308-0d34-0410-b5e6-96231b3b80d8
2004-04-11 22:05:45 +00:00
Chris Lattner
6621ed94cc
Unify all of the code for floating point +,-,*,/ into one function
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@12842 91177308-0d34-0410-b5e6-96231b3b80d8
2004-04-11 21:23:56 +00:00
Chris Lattner
8ebf1c35a1
This implements folding of constant operands into floating point operations
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for mul and div.
Instead of generating this:
test_divr:
fld QWORD PTR [%ESP + 4]
fld QWORD PTR [.CPItest_divr_0]
fdivrp %ST(1)
ret
We now generate this:
test_divr:
fld QWORD PTR [%ESP + 4]
fdivr QWORD PTR [.CPItest_divr_0]
ret
This code desperately needs refactoring, which will come in the next
patch.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@12841 91177308-0d34-0410-b5e6-96231b3b80d8
2004-04-11 21:09:14 +00:00
Chris Lattner
462fa82270
Restructure the mul/div/rem handling code to follow the pattern the other
...
instructions use. This doesn't change any functionality except that long
constant expressions of these operations will now magically start working.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@12840 91177308-0d34-0410-b5e6-96231b3b80d8
2004-04-11 20:56:28 +00:00
Chris Lattner
48b0c97e20
Codegen FP adds and subtracts with a constant more efficiently, generating:
...
fld QWORD PTR [%ESP + 4]
fadd QWORD PTR [.CPItest_add_0]
instead of:
fld QWORD PTR [%ESP + 4]
fld QWORD PTR [.CPItest_add_0]
faddp %ST(1)
I also intend to do this for mul & div, but it appears that I have to
refactor a bit of code before I can do so.
This is tested by: test/Regression/CodeGen/X86/fp_constant_op.llx
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@12839 91177308-0d34-0410-b5e6-96231b3b80d8
2004-04-11 20:26:20 +00:00
Chris Lattner
490e86fed5
Add some new instructions
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@12838 91177308-0d34-0410-b5e6-96231b3b80d8
2004-04-11 20:24:15 +00:00
Chris Lattner
4cf15e7a3b
Relax assertion to make this function work with a broader class of instructions
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@12836 91177308-0d34-0410-b5e6-96231b3b80d8
2004-04-11 20:21:06 +00:00
Chris Lattner
427aeb476f
Two changes:
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1. If an incoming argument is dead, don't load it from the stack
2. Do not code gen noop copies at all (ie, cast int -> uint), not even to
a move. This should reduce register pressure for allocators that are
unable to coallesce away these copies in some cases.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@12835 91177308-0d34-0410-b5e6-96231b3b80d8
2004-04-11 19:21:59 +00:00
Chris Lattner
bec63d606f
operator new & operator new[] do not kill any legal memory locations.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@12833 91177308-0d34-0410-b5e6-96231b3b80d8
2004-04-11 18:16:34 +00:00
Chris Lattner
65585aa3fc
Allow clients to be more efficient.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@12831 91177308-0d34-0410-b5e6-96231b3b80d8
2004-04-11 16:43:07 +00:00
Chris Lattner
fbede52af4
Fix a bug in my select transformation
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@12826 91177308-0d34-0410-b5e6-96231b3b80d8
2004-04-11 01:39:19 +00:00
Chris Lattner
a0ae8196a1
Add a missing break, which caused a crash in an obscure situation
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@12825 91177308-0d34-0410-b5e6-96231b3b80d8
2004-04-11 01:29:30 +00:00
Chris Lattner
adb7c0de39
Update the value numbering interface.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@12824 91177308-0d34-0410-b5e6-96231b3b80d8
2004-04-10 22:33:34 +00:00
Chris Lattner
d76956d444
Implement InstCombine/select.ll:test13*
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@12821 91177308-0d34-0410-b5e6-96231b3b80d8
2004-04-10 22:21:27 +00:00
Chris Lattner
66331a4e33
Implement InstCombine/add.ll:test20
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Canonicalize add of sign bit constant into a xor
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@12819 91177308-0d34-0410-b5e6-96231b3b80d8
2004-04-10 22:01:55 +00:00
Chris Lattner
38e66bd9d1
Rewrite the GCSE pass to be *substantially* simpler, a bit more efficient,
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and a bit more powerful
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@12817 91177308-0d34-0410-b5e6-96231b3b80d8
2004-04-10 21:11:11 +00:00
Chris Lattner
326c0f3013
Fix spurious warning in release mode
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@12816 91177308-0d34-0410-b5e6-96231b3b80d8
2004-04-10 19:15:56 +00:00
Chris Lattner
85aa7097c2
Silence a spurious warning
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@12815 91177308-0d34-0410-b5e6-96231b3b80d8
2004-04-10 18:32:01 +00:00
Chris Lattner
a5f4103931
Simplify code a bit, and fix a bug that was breaking perlbmk
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@12814 91177308-0d34-0410-b5e6-96231b3b80d8
2004-04-10 18:06:21 +00:00
Chris Lattner
562cb66b84
Fix a bug in my checkin last night that was breaking programs using invoke.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@12813 91177308-0d34-0410-b5e6-96231b3b80d8
2004-04-10 16:53:29 +00:00
Chris Lattner
27c694bacb
Fix previous patch
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@12811 91177308-0d34-0410-b5e6-96231b3b80d8
2004-04-10 07:27:48 +00:00
Chris Lattner
17177601fb
Correctly update counters
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@12810 91177308-0d34-0410-b5e6-96231b3b80d8
2004-04-10 07:02:02 +00:00
Chris Lattner
b903fc5c1b
Add a couple of more functions that cannot access memory (the intrinsics) and
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don't write to memory
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@12808 91177308-0d34-0410-b5e6-96231b3b80d8
2004-04-10 06:55:27 +00:00
Chris Lattner
ede6ac60a5
Simplify code a bit, and use alias analysis to allow us to delete unused
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call and invoke instructions that are known to not write to memory.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@12807 91177308-0d34-0410-b5e6-96231b3b80d8
2004-04-10 06:53:09 +00:00
Chris Lattner
e576b91948
Implement select.ll:test12*
...
This transforms code like this:
%C = or %A, %B
%D = select %cond, %C, %A
into:
%C = select %cond, %B, 0
%D = or %A, %C
Since B is often a constant, the select can often be eliminated. In any case,
this reduces the usage count of A, allowing subsequent optimizations to happen.
This xform applies when the operator is any of:
add, sub, mul, or, xor, and, shl, shr
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@12800 91177308-0d34-0410-b5e6-96231b3b80d8
2004-04-09 23:46:01 +00:00
Chris Lattner
570751c2a7
Fold code like:
...
if (C)
V1 |= V2;
into:
Vx = V1 | V2;
V1 = select C, V1, Vx
when the expression can be evaluated unconditionally and is *cheap* to
execute. This limited form of if conversion is quite handy in lots of cases.
For example, it turns this testcase into straight-line code:
int in0 ; int in1 ; int in2 ; int in3 ;
int in4 ; int in5 ; int in6 ; int in7 ;
int in8 ; int in9 ; int in10; int in11;
int in12; int in13; int in14; int in15;
long output;
void mux(void) {
output =
(in0 ? 0x00000001 : 0) | (in1 ? 0x00000002 : 0) |
(in2 ? 0x00000004 : 0) | (in3 ? 0x00000008 : 0) |
(in4 ? 0x00000010 : 0) | (in5 ? 0x00000020 : 0) |
(in6 ? 0x00000040 : 0) | (in7 ? 0x00000080 : 0) |
(in8 ? 0x00000100 : 0) | (in9 ? 0x00000200 : 0) |
(in10 ? 0x00000400 : 0) | (in11 ? 0x00000800 : 0) |
(in12 ? 0x00001000 : 0) | (in13 ? 0x00002000 : 0) |
(in14 ? 0x00004000 : 0) | (in15 ? 0x00008000 : 0) ;
}
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@12798 91177308-0d34-0410-b5e6-96231b3b80d8
2004-04-09 22:50:22 +00:00
John Criswell
6d804f408a
Reversed the order of the llvm.writeport() operands so that the value
...
is listed first and the address is listed second.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@12795 91177308-0d34-0410-b5e6-96231b3b80d8
2004-04-09 19:09:14 +00:00
Chris Lattner
2eefe518de
Fold binary operators with a constant operand into select instructions
...
that have a constant operand. This implements
add.ll:test19, shift.ll:test15*, and others that are not tested
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@12794 91177308-0d34-0410-b5e6-96231b3b80d8
2004-04-09 19:05:30 +00:00
Chris Lattner
82e14fe168
Implement select.ll:test11
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@12793 91177308-0d34-0410-b5e6-96231b3b80d8
2004-04-09 18:19:44 +00:00
Alkis Evlogimenos
9a8b490735
Add definition list to each live interval.
...
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@12791 91177308-0d34-0410-b5e6-96231b3b80d8
2004-04-09 18:07:57 +00:00
John Criswell
aee0cf3fca
Changed assertions to error messages.
...
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@12787 91177308-0d34-0410-b5e6-96231b3b80d8
2004-04-09 15:10:15 +00:00
John Criswell
ca6ea0f137
Changes recommended by Chris:
...
InstSelectSimple.cpp:
Change the checks for proper I/O port address size into an exit() instead
of an assertion. Assertions aren't used in Release builds, and handling
this error should be graceful (not that this counts as graceful, but it's
more graceful).
Modified the generation of the IN/OUT instructions to have 0 arguments.
X86InstrInfo.td:
Added the OpSize attribute to the 16 bit IN and OUT instructions.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@12786 91177308-0d34-0410-b5e6-96231b3b80d8
2004-04-08 22:39:13 +00:00
Chris Lattner
f499eaca36
Implement InstCombine/cast-propagate.ll
...
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@12784 91177308-0d34-0410-b5e6-96231b3b80d8
2004-04-08 20:39:49 +00:00
John Criswell
4ffff9e2fa
Added the llvm.readport and llvm.writeport intrinsics for x86. These do
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I/O port instructions on x86. The specific code sequence is tailored to
the parameters and return value of the intrinsic call.
Added the ability for implicit defintions to be printed in the Instruction
Printer.
Added the ability for RawFrm instruction to print implict uses and
defintions with correct comma output. This required adjustment to some
methods so that a leading comma would or would not be printed.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@12782 91177308-0d34-0410-b5e6-96231b3b80d8
2004-04-08 20:31:47 +00:00
John Criswell
9570301ee8
Added the llvm.readport and llvm.writeport intrinsics.
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The Verifier ensures that their parameters are of integral types and have
the correct sign, but it does not enforce any size restrictions because
such restrictions are platform dependent.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@12781 91177308-0d34-0410-b5e6-96231b3b80d8
2004-04-08 20:27:38 +00:00
Chris Lattner
8ba725b456
Implement ScalarRepl/select_promote.ll
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@12779 91177308-0d34-0410-b5e6-96231b3b80d8
2004-04-08 19:59:34 +00:00
Chris Lattner
775cbdd51a
Remove the "really gross hacks" that are there to deal with recursive functions.
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Now we collect all of the call sites we are interested in inlining, then inline
them. This entirely avoids issues with trying to inline a call site we got by
inlining another call site. This also eliminates iterator invalidation issues.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@12770 91177308-0d34-0410-b5e6-96231b3b80d8
2004-04-08 06:34:31 +00:00
Chris Lattner
0c199a7628
Implement InstCombine/select.ll:test[7-10]
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@12769 91177308-0d34-0410-b5e6-96231b3b80d8
2004-04-08 04:43:23 +00:00
Brian Gaeke
8089822a8c
Don't include InstrSelectionSupport.h.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@12766 91177308-0d34-0410-b5e6-96231b3b80d8
2004-04-07 20:55:32 +00:00
Brian Gaeke
1523aac530
Move ChooseRegOrImmed() prototype here, from InstrSelectionSupport.h.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@12765 91177308-0d34-0410-b5e6-96231b3b80d8
2004-04-07 20:38:57 +00:00
Brian Gaeke
92976137df
Don't include InstrSelectionSupport.h.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@12764 91177308-0d34-0410-b5e6-96231b3b80d8
2004-04-07 20:38:56 +00:00
Chris Lattner
cb69a4ed64
Implement test/Regression/Transforms/InstCombine/getelementptr_index.ll
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@12762 91177308-0d34-0410-b5e6-96231b3b80d8
2004-04-07 18:38:20 +00:00
Brian Gaeke
58fe7695b9
Fix insertion of SelectInsts.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@12760 91177308-0d34-0410-b5e6-96231b3b80d8
2004-04-07 18:31:47 +00:00
Brian Gaeke
8005ed3bd7
Don't print [%reg + 0], just print [%reg]
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@12759 91177308-0d34-0410-b5e6-96231b3b80d8
2004-04-07 17:33:56 +00:00
Brian Gaeke
f3334ebbe3
First version of code to handle loads. Stub function for handling stores.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@12758 91177308-0d34-0410-b5e6-96231b3b80d8
2004-04-07 17:29:37 +00:00
Brian Gaeke
562cb16381
Support loading arguments from %I0...%I5 into virtual registers in
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function prologues, and fix an off-by-one in visitCallInst that was
putting call args into the wrong registers.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@12757 91177308-0d34-0410-b5e6-96231b3b80d8
2004-04-07 17:04:09 +00:00
Brian Gaeke
d54c38b2f4
It's setting up the call args right now, but on the callee side, it's
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trying to get incoming args off the stack, instead of the %i0...%i6 regs,
which is wrong.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@12756 91177308-0d34-0410-b5e6-96231b3b80d8
2004-04-07 16:41:22 +00:00
Chris Lattner
627018b4b3
Fix a bug Brian found.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@12754 91177308-0d34-0410-b5e6-96231b3b80d8
2004-04-07 16:16:11 +00:00
Chris Lattner
4d0cda4d5c
This is a start on handling setcc instructions. As the comment notes, we
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have no good way of handling this until the code generator is improved.
We should probably just emit V9 instructions in the meantime.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@12745 91177308-0d34-0410-b5e6-96231b3b80d8
2004-04-07 05:04:51 +00:00
Chris Lattner
6179047661
andd subcc instructions which is used to create the 'cmp' pseudo instruction
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@12744 91177308-0d34-0410-b5e6-96231b3b80d8
2004-04-07 05:04:01 +00:00
Chris Lattner
0d538bbec2
Avoid emitting an extra copy on each 32-bit operation
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@12743 91177308-0d34-0410-b5e6-96231b3b80d8
2004-04-07 04:36:53 +00:00
Brian Gaeke
88ddd4a07d
Make generation of stack-slot loads and copies less ugly.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@12742 91177308-0d34-0410-b5e6-96231b3b80d8
2004-04-07 04:29:14 +00:00
Brian Gaeke
fa4bb09cf0
Fix bug in printing loads.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@12741 91177308-0d34-0410-b5e6-96231b3b80d8
2004-04-07 04:29:03 +00:00
Chris Lattner
4be7ca5721
Add support for shift instructions, wrap some long lines
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@12740 91177308-0d34-0410-b5e6-96231b3b80d8
2004-04-07 04:27:16 +00:00
Chris Lattner
a562efce35
Fix encoding of existing shift instructions, add rr shifts
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@12739 91177308-0d34-0410-b5e6-96231b3b80d8
2004-04-07 04:26:57 +00:00
Chris Lattner
22ede709f6
Add a bunch more instructions
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@12737 91177308-0d34-0410-b5e6-96231b3b80d8
2004-04-07 04:06:46 +00:00
Chris Lattner
f97b31e9cf
Merge my changes with brians
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@12736 91177308-0d34-0410-b5e6-96231b3b80d8
2004-04-07 04:05:49 +00:00
Brian Gaeke
0f51cc1759
Add in some things I forgot, which Chris helpfully reminded me of...
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@12735 91177308-0d34-0410-b5e6-96231b3b80d8
2004-04-07 04:05:12 +00:00
Brian Gaeke
59e04e4889
Add support for the "Y" register, used by MUL & DIV.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@12734 91177308-0d34-0410-b5e6-96231b3b80d8
2004-04-07 04:01:11 +00:00
Brian Gaeke
e88c9dc860
Add UDIV, SDIV, and a few variants of WR.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@12733 91177308-0d34-0410-b5e6-96231b3b80d8
2004-04-07 04:01:00 +00:00
Brian Gaeke
2d4fa8faac
Preliminary support for getting 64-bit integer constants into registers.
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Preliminary support for division. It's gross because you have to initialize
the "Y" register, which is the top 32 bits of the thing you're dividing.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@12732 91177308-0d34-0410-b5e6-96231b3b80d8
2004-04-07 04:00:49 +00:00
Brian Gaeke
ff8282604a
Prune unnecessary #includes
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@12731 91177308-0d34-0410-b5e6-96231b3b80d8
2004-04-06 23:25:07 +00:00
Brian Gaeke
20117102c2
Simple delay slot filler pass.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@12730 91177308-0d34-0410-b5e6-96231b3b80d8
2004-04-06 23:21:45 +00:00
Brian Gaeke
86a8790826
Add references to delay slot filler pass.
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Fill in addPassesToJITCompile method.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@12729 91177308-0d34-0410-b5e6-96231b3b80d8
2004-04-06 23:21:24 +00:00
Brian Gaeke
3a8ad62d4f
First attempt at handling frame index elimination.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@12728 91177308-0d34-0410-b5e6-96231b3b80d8
2004-04-06 22:10:22 +00:00
Brian Gaeke
1c38175d6b
First attempt at special-casing printing of [%reg + offset] for
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ld/st instructions - doesn't seem to work yet, but I think it's
just a typo or something somewhere.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@12727 91177308-0d34-0410-b5e6-96231b3b80d8
2004-04-06 22:10:11 +00:00
Brian Gaeke
856e4fc59e
Delete reference to "the Mach-O Runtime ABI".
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@12726 91177308-0d34-0410-b5e6-96231b3b80d8
2004-04-06 22:09:59 +00:00
Brian Gaeke
ea8494bb89
Deal with call return values.
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Don't put NOPs in delay slots at all. We'll have a fix-up pass later.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@12725 91177308-0d34-0410-b5e6-96231b3b80d8
2004-04-06 22:09:23 +00:00
Jakub Staszak
8ac0009979
file based off InstSelectSimple.cpp, slowly being replaced by generated code from the really simple X86 instruction selector tablegen backend
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@12715 91177308-0d34-0410-b5e6-96231b3b80d8
2004-04-06 19:35:17 +00:00