Misha Brukman
8ee0100880
Only allocate non-volatile registers R13-31 (for now).
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@14500 91177308-0d34-0410-b5e6-96231b3b80d8
2004-06-29 23:35:32 +00:00
Misha Brukman
60f35813fc
Lower ConstantExpressions before the code generator.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@14497 91177308-0d34-0410-b5e6-96231b3b80d8
2004-06-29 23:33:20 +00:00
Misha Brukman
c1f901c589
Fix associativity of parameters to assert(): now it actually makes sense.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@14483 91177308-0d34-0410-b5e6-96231b3b80d8
2004-06-29 19:43:20 +00:00
Misha Brukman
e8d8fb26a6
Convert tabs to spaces.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@14482 91177308-0d34-0410-b5e6-96231b3b80d8
2004-06-29 19:28:53 +00:00
Misha Brukman
e19ca38a32
* Fix saving LR in function prologue
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* Adjust epilogue restore sequence to match the PowerPC documentation
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@14480 91177308-0d34-0410-b5e6-96231b3b80d8
2004-06-29 17:14:42 +00:00
Misha Brukman
218bec7bd3
Assembly syntax/comment fixes by Nate Begeman.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@14479 91177308-0d34-0410-b5e6-96231b3b80d8
2004-06-29 17:13:26 +00:00
Chris Lattner
1b17438aa8
The code generator should work with unreachable blocks. If not, then this
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is a bug that should be fixed in the code generator, not papered over with
the simplifycfg pass. Eliminating this makes bugpoint much more useful
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@14477 91177308-0d34-0410-b5e6-96231b3b80d8
2004-06-29 07:20:16 +00:00
Chris Lattner
23a53aa9c4
I believe that the code generator now properly handles dead basic blocks. If not,
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this is a bug, and should be fixed.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@14476 91177308-0d34-0410-b5e6-96231b3b80d8
2004-06-29 07:17:12 +00:00
Chris Lattner
8b486a114e
Fix a regression from r1.224. In particular, codegen a cast from double ->
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float as a truncation by going through memory. This truncation was being
skipped, which caused 175.vpr to fail after aggressive register promotion.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@14473 91177308-0d34-0410-b5e6-96231b3b80d8
2004-06-29 00:14:38 +00:00
Misha Brukman
7cd444082e
Can't print out machine code before it is constructed.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@14472 91177308-0d34-0410-b5e6-96231b3b80d8
2004-06-28 21:16:57 +00:00
Misha Brukman
3905b57442
Fix the assembly opcode on LOADLoAddr, courtesy of Nate Begeman.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@14470 91177308-0d34-0410-b5e6-96231b3b80d8
2004-06-28 18:27:08 +00:00
Misha Brukman
b2edb443e0
Set isBranch and isTerminator bits on all branch instructions.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@14469 91177308-0d34-0410-b5e6-96231b3b80d8
2004-06-28 18:23:35 +00:00
Misha Brukman
7e5812cd17
Fix loading and storing PC-relative static variables, courtesy of Nate Begeman.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@14468 91177308-0d34-0410-b5e6-96231b3b80d8
2004-06-28 18:20:59 +00:00
Misha Brukman
a6e58b3cfb
No need to generate a lazy-linking stub for internal functions, they can be
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resolved by the static linker.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@14467 91177308-0d34-0410-b5e6-96231b3b80d8
2004-06-28 18:03:37 +00:00
Misha Brukman
9c661c8e26
Do not set the `link' bit when branching to the first BB of a function, as it
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will cause an infinite loop. The link bit is only used for calling functions.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@14466 91177308-0d34-0410-b5e6-96231b3b80d8
2004-06-28 17:57:40 +00:00
Misha Brukman
bb4a90820c
Fix spacing around function arguments.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@14463 91177308-0d34-0410-b5e6-96231b3b80d8
2004-06-28 15:53:27 +00:00
Brian Gaeke
6bd5551763
Allow saving and restoring of double and float registers.
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Allow copying of float registers.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@14445 91177308-0d34-0410-b5e6-96231b3b80d8
2004-06-27 22:59:56 +00:00
Brian Gaeke
c53105c749
Add FITOS, FITOD, and F{ADD,SUB,MUL,DIV}{S,D}.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@14444 91177308-0d34-0410-b5e6-96231b3b80d8
2004-06-27 22:53:56 +00:00
Brian Gaeke
8a0ae9e9ca
Support printing constant pool indices.
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If we see an "unknown operand", abort so it's easier to fix it.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@14441 91177308-0d34-0410-b5e6-96231b3b80d8
2004-06-27 22:50:44 +00:00
Brian Gaeke
ec3227fe39
Trim whitespace.
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Support cast of ints (and narrower) to float and double.
Support cast double to double (using load and store).
Abort if we see a CallInst or SetCondInst with long/fp args, instead
of producing bad code.
Support add, sub, mul, div of float and double.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@14440 91177308-0d34-0410-b5e6-96231b3b80d8
2004-06-27 22:47:33 +00:00
Chris Lattner
ea104df2b1
This class is no longer an annotation
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@14437 91177308-0d34-0410-b5e6-96231b3b80d8
2004-06-27 18:50:49 +00:00
Chris Lattner
4aa5b2affb
Add a map of MachineCodeForInstruction objects to MachineFunctionInfo
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@14436 91177308-0d34-0410-b5e6-96231b3b80d8
2004-06-27 18:50:30 +00:00
Chris Lattner
159286d60d
Make it obvious that this file is bad bad bad
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@14432 91177308-0d34-0410-b5e6-96231b3b80d8
2004-06-27 18:21:20 +00:00
Chris Lattner
098648af6a
There is no reason to print ValueType here
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@14425 91177308-0d34-0410-b5e6-96231b3b80d8
2004-06-26 19:36:34 +00:00
Misha Brukman
34fa8714a4
Allow debugging machine instrs (by printout) before/after isel and regalloc
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@14416 91177308-0d34-0410-b5e6-96231b3b80d8
2004-06-25 19:57:47 +00:00
Misha Brukman
c6cc10f48f
Combine several if stmts with returns into an if-then-elseif-else chain.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@14414 91177308-0d34-0410-b5e6-96231b3b80d8
2004-06-25 19:24:52 +00:00
Misha Brukman
d47bbf7ce5
Do not move any values into registers for a void return (there isn't anything).
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@14413 91177308-0d34-0410-b5e6-96231b3b80d8
2004-06-25 19:04:27 +00:00
Misha Brukman
1cbb3ee75f
Convert tabs to spaces.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@14412 91177308-0d34-0410-b5e6-96231b3b80d8
2004-06-25 18:45:07 +00:00
Misha Brukman
972569a22f
Fix opcode: no immediate in an `or r1, r2, r3' (all registers) instr.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@14411 91177308-0d34-0410-b5e6-96231b3b80d8
2004-06-25 18:36:53 +00:00
Misha Brukman
2bf183c092
* Be consistent about MachineBB labels and references to them in instr stream
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* Use MachineBB's built-in numbering system instead of reinventing one
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@14408 91177308-0d34-0410-b5e6-96231b3b80d8
2004-06-25 15:42:10 +00:00
Misha Brukman
22e12076e9
* Initialize the entire array statically, not member-at-a-time
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* Remove x86-specific comment re: intel vs. at&t assembly syntax
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@14406 91177308-0d34-0410-b5e6-96231b3b80d8
2004-06-25 15:11:34 +00:00
Misha Brukman
9ecf3bf708
Fix bug in previous checkin.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@14405 91177308-0d34-0410-b5e6-96231b3b80d8
2004-06-25 14:57:19 +00:00
Misha Brukman
911afde4ae
* Wrap long lines
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* Replace silent fall-through FIXME comments with an error to cerr and an abort
* No need to set size of statically initialized arrays
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@14404 91177308-0d34-0410-b5e6-96231b3b80d8
2004-06-25 14:50:41 +00:00
Misha Brukman
179d97cfa3
Excise X86-specific comments.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@14403 91177308-0d34-0410-b5e6-96231b3b80d8
2004-06-25 14:13:26 +00:00
Tanya Lattner
b140762a45
Made a fix so that you can print out MachineInstrs that belong to a MachineBasicBlock that is not yet attached to a MachineFunction. This change includes changing the third operand (TargetMachine) to a pointer for the MachineInstr::print function.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@14389 91177308-0d34-0410-b5e6-96231b3b80d8
2004-06-25 00:13:11 +00:00
Misha Brukman
75afe1f904
Add option to print out machine code before register allocation.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@14387 91177308-0d34-0410-b5e6-96231b3b80d8
2004-06-24 23:55:01 +00:00
Misha Brukman
f3e50bea06
Use DEBUG() guard for printing out debug info.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@14386 91177308-0d34-0410-b5e6-96231b3b80d8
2004-06-24 23:54:05 +00:00
Misha Brukman
e327e49913
Add a `break' in the switch/case statement between the int/fp sections.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@14385 91177308-0d34-0410-b5e6-96231b3b80d8
2004-06-24 23:53:24 +00:00
Misha Brukman
7f484a5fff
* Lowercase the register names
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* Parenthesize assert() expressions correctly
* Fix spacing around for() and if() statements
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@14384 91177308-0d34-0410-b5e6-96231b3b80d8
2004-06-24 23:51:00 +00:00
Misha Brukman
f54ef97abc
* LowercaseString moved to StringExtras.h
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* Wrap long line to 80 cols
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@14382 91177308-0d34-0410-b5e6-96231b3b80d8
2004-06-24 23:38:20 +00:00
Misha Brukman
ca428df792
* Tabs to spaces
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* Send an error message to std::cerr before abort()ing
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@14381 91177308-0d34-0410-b5e6-96231b3b80d8
2004-06-24 23:19:36 +00:00
Misha Brukman
46fd00aec6
* Tabs to spaces
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* Remove unnecessary parens, braces, clean up code layout
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@14379 91177308-0d34-0410-b5e6-96231b3b80d8
2004-06-24 23:04:11 +00:00
Misha Brukman
fadb82f920
Unindent some more code to be consistent.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@14377 91177308-0d34-0410-b5e6-96231b3b80d8
2004-06-24 22:00:15 +00:00
Misha Brukman
1916bf9427
Unindent some code, it only needs 2 spaces.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@14376 91177308-0d34-0410-b5e6-96231b3b80d8
2004-06-24 21:56:15 +00:00
Misha Brukman
98649d1796
In emitting code for a GEP instr, iterate over GEPTypes because there is one
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more operand in GEPOps than there are types in GEPTypes: the pointer that is the
first operand of the GEP instruction.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@14375 91177308-0d34-0410-b5e6-96231b3b80d8
2004-06-24 21:54:47 +00:00
Brian Gaeke
57ff2e3ee7
Add FSTOD and FDTOS conversion instructions.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@14372 91177308-0d34-0410-b5e6-96231b3b80d8
2004-06-24 21:22:09 +00:00
Brian Gaeke
495a0974f4
Support cast float to float, cast double to float, and cast float to double.
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(It's not yet clear how to copy doubles from register to register.)
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@14371 91177308-0d34-0410-b5e6-96231b3b80d8
2004-06-24 21:22:08 +00:00
Misha Brukman
05794498d9
* Order #includes
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* Use the DEBUG() guard for debug printouts
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@14367 91177308-0d34-0410-b5e6-96231b3b80d8
2004-06-24 17:31:42 +00:00
Brian Gaeke
60c73e4f23
Make the double-fp pseudo registers be "NamedRegs".
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@14366 91177308-0d34-0410-b5e6-96231b3b80d8
2004-06-24 09:23:21 +00:00
Brian Gaeke
13dc433df3
Fix a dyn_cast in copyConstantToRegister which should have been a cast.
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Compactify the code that emits copies of constant ints into registers.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@14365 91177308-0d34-0410-b5e6-96231b3b80d8
2004-06-24 09:17:47 +00:00