Chris Lattner [Wed, 2 Jan 2008 23:41:05 +0000 (23:41 +0000)]
add missing #include
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@45516
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Evan Cheng [Wed, 2 Jan 2008 23:38:59 +0000 (23:38 +0000)]
X86 PIC JIT bug fix: relocations for constantpool and jumptable.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@45515
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Chris Lattner [Wed, 2 Jan 2008 23:10:45 +0000 (23:10 +0000)]
remove blob of #if'd out code.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@45512
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Chris Lattner [Wed, 2 Jan 2008 22:21:45 +0000 (22:21 +0000)]
fix this to use a valid triple.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@45509
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Ted Kremenek [Wed, 2 Jan 2008 22:18:33 +0000 (22:18 +0000)]
Inverted argument order for ImmutableMap::Profile.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@45507
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Chris Lattner [Wed, 2 Jan 2008 22:03:27 +0000 (22:03 +0000)]
Fix a build issue on cygwin
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@45506
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Ted Kremenek [Wed, 2 Jan 2008 21:31:48 +0000 (21:31 +0000)]
Added iterator and profiling (i.e. FoldingSetNodeID) support to ImmutableMap.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@45503
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Chris Lattner [Wed, 2 Jan 2008 21:30:58 +0000 (21:30 +0000)]
Fix PR1888, patch by Wilhansen Li.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@45501
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Chris Lattner [Wed, 2 Jan 2008 21:24:22 +0000 (21:24 +0000)]
Fix a build problem with VC++ by not doing the target prefix
comparison for every builtin. This reduces the depth of
the if/elseif chain dramatically.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@45500
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Bill Wendling [Wed, 2 Jan 2008 21:10:54 +0000 (21:10 +0000)]
Use the correct MachineRegisterInfo object.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@45499
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Bill Wendling [Wed, 2 Jan 2008 21:10:40 +0000 (21:10 +0000)]
Machine LICM will check that operands are defined outside of the loop. Also
check that register isn't 0 before going further.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@45498
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Bill Wendling [Wed, 2 Jan 2008 20:47:37 +0000 (20:47 +0000)]
Remove dead code.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@45496
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Chris Lattner [Wed, 2 Jan 2008 19:48:24 +0000 (19:48 +0000)]
verify that aligned common support doesn't break.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@45495
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Chris Lattner [Wed, 2 Jan 2008 19:44:55 +0000 (19:44 +0000)]
darwin9 and above support aligned common symbols.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@45494
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Chris Lattner [Wed, 2 Jan 2008 19:35:16 +0000 (19:35 +0000)]
leopard and above support alignment for common symbols.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@45493
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Bill Wendling [Wed, 2 Jan 2008 19:32:43 +0000 (19:32 +0000)]
Use the new architecture to get the containing machine basic block for a machine
instruction. Also, use "splice" to move the new instruction instead of
remove/insert (where it was leaking memory anyway).
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@45492
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Nick Lewycky [Wed, 2 Jan 2008 02:49:20 +0000 (02:49 +0000)]
Don't be rude, emit debugging info where asked to.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@45485
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Owen Anderson [Tue, 1 Jan 2008 21:11:32 +0000 (21:11 +0000)]
Move some more instruction creation methods from RegisterInfo into InstrInfo.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@45484
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Chris Lattner [Tue, 1 Jan 2008 21:08:22 +0000 (21:08 +0000)]
Make MachineRegisterInfo::getVRegDef more efficient by aiming the keep the def of the vreg at the start of the list, so the list doesn't need to be traversed.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@45483
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Chris Lattner [Tue, 1 Jan 2008 20:36:19 +0000 (20:36 +0000)]
switch the register iterator to act more like hte LLVM value iterator: dereferencing
it now returns the machineinstr of the use. To get the operand, use I.getOperand().
Add a new MachineRegisterInfo::replaceRegWith, which is basically like
Value::replaceAllUsesWith.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@45482
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Gordon Henriksen [Tue, 1 Jan 2008 05:50:53 +0000 (05:50 +0000)]
Adding C bindings for SwitchInst::addCase.
Patch by Bryan O'Sullivan!
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@45481
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Chris Lattner [Tue, 1 Jan 2008 03:07:29 +0000 (03:07 +0000)]
Add a trivial but handy function to efficiently return the machine
instruction that defines the specified vreg. Crazy.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@45480
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Chris Lattner [Tue, 1 Jan 2008 02:55:32 +0000 (02:55 +0000)]
add efficient iteration support for register use/def's
within a machine function.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@45479
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Bill Wendling [Tue, 1 Jan 2008 01:34:36 +0000 (01:34 +0000)]
Update this testcase. The output needs to be disabled to pass.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@45478
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Chris Lattner [Tue, 1 Jan 2008 01:12:31 +0000 (01:12 +0000)]
Implement automatically updated def/use lists for all MachineInstr register
operands. The lists are currently kept in MachineRegisterInfo, but it does
not yet provide an iterator interface to them.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@45477
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Chris Lattner [Tue, 1 Jan 2008 01:05:34 +0000 (01:05 +0000)]
Fix a bug in my previous patch: refer to the impl not the pure virtual version. It's unclear why gcc would ever compile this...
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@45476
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Chris Lattner [Tue, 1 Jan 2008 01:03:04 +0000 (01:03 +0000)]
Fix a problem where lib/Target/TargetInstrInfo.h would include and use
a header file from libcodegen. This violates a layering order: codegen
depends on target, not the other way around. The fix to this is to
split TII into two classes, TII and TargetInstrInfoImpl, which defines
stuff that depends on libcodegen. It is defined in libcodegen, where
the base is not.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@45475
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Chris Lattner [Mon, 31 Dec 2007 23:58:31 +0000 (23:58 +0000)]
Factor out makefile dependency generation better.
Don't include system headers in the .d files.
Don't use $@ in the makefile rules, as there are two possible targets it could resolve to: use the one that we need explicitly.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@45473
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Duncan Sands [Mon, 31 Dec 2007 18:35:50 +0000 (18:35 +0000)]
Fix PR1833 - eh.exception and eh.selector return two
values, which means doing extra legalization work.
It would be easier to get this kind of thing right if
there was some documentation...
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@45472
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Owen Anderson [Mon, 31 Dec 2007 06:32:00 +0000 (06:32 +0000)]
Move copyRegToReg from MRegisterInfo to TargetInstrInfo. This is part of the
Machine-level API cleanup instigated by Chris.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@45470
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Chris Lattner [Mon, 31 Dec 2007 04:56:33 +0000 (04:56 +0000)]
properly encapsulate the parent field of MBB and MI with get/set accessors.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@45469
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Chris Lattner [Mon, 31 Dec 2007 04:16:08 +0000 (04:16 +0000)]
update a couple of references to SSARegMap.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@45468
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Chris Lattner [Mon, 31 Dec 2007 04:13:23 +0000 (04:13 +0000)]
Rename SSARegMap -> MachineRegisterInfo in keeping with the idea
that "machine" classes are used to represent the current state of
the code being compiled. Given this expanded name, we can start
moving other stuff into it. For now, move the UsedPhysRegs and
LiveIn/LoveOuts vectors from MachineFunction into it.
Update all the clients to match.
This also reduces some needless #includes, such as MachineModuleInfo
from MachineFunction.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@45467
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Gordon Henriksen [Mon, 31 Dec 2007 01:45:55 +0000 (01:45 +0000)]
Removing obsolete files from the Xcode project.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@45466
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Chris Lattner [Sun, 30 Dec 2007 23:40:31 +0000 (23:40 +0000)]
slightly simplify and document SSARegMap.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@45465
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Chris Lattner [Sun, 30 Dec 2007 23:10:15 +0000 (23:10 +0000)]
Add new shorter predicates for testing machine operands for various types:
e.g. MO.isMBB() instead of MO.isMachineBasicBlock(). I don't plan on
switching everything over, so new clients should just start using the
shorter names.
Remove old long accessors, switching everything over to use the short
accessor: getMachineBasicBlock() -> getMBB(),
getConstantPoolIndex() -> getIndex(), setMachineBasicBlock -> setMBB(), etc.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@45464
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Gordon Henriksen [Sun, 30 Dec 2007 22:48:58 +0000 (22:48 +0000)]
Another backwards compatibility fix.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@45463
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Chris Lattner [Sun, 30 Dec 2007 22:24:06 +0000 (22:24 +0000)]
- rename opType -> OpKind and contents -> Contents.
- eliminate the auxInfo union, merging it into the contents union. This shaves
4 bytes off MachineOperand on a 32-bit machine.
- Use accessors in ctor methods.
- Add comments.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@45462
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Chris Lattner [Sun, 30 Dec 2007 21:56:09 +0000 (21:56 +0000)]
More cleanups for MachineOperand:
- Eliminate the static "print" method for operands, moving it
into MachineOperand::print.
- Change various set* methods for register flags to take a bool
for the value to set it to. Remove unset* methods.
- Group methods more logically by operand flavor in MachineOperand.h
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@45461
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Chris Lattner [Sun, 30 Dec 2007 21:31:53 +0000 (21:31 +0000)]
MachineOperand:
- Add getParent() accessors.
- Move SubReg out of the AuxInfo union, to make way for future changes.
- Remove the getImmedValue/setImmedValue methods.
- in some MachineOperand::Create* methods, stop initializing fields that are dead.
MachineInstr:
- Delete one copy of the MachineInstr printing code, now there is only one dump
format and one copy of the code.
- Make MachineOperand use the parent field to get info about preg register names if
no target info is otherwise available.
- Move def/use/kill/dead flag printing to the machineoperand printer, so they are
always printed for an operand.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@45460
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Chris Lattner [Sun, 30 Dec 2007 21:21:10 +0000 (21:21 +0000)]
fix typo duncan noticed!
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@45459
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Chris Lattner [Sun, 30 Dec 2007 21:08:36 +0000 (21:08 +0000)]
simpilfy some register printing code.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@45458
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Chris Lattner [Sun, 30 Dec 2007 21:03:30 +0000 (21:03 +0000)]
eliminate a copy of the machineoperand printing stuff. Keep the copy that
knows how to print offsets.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@45457
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Chris Lattner [Sun, 30 Dec 2007 21:01:27 +0000 (21:01 +0000)]
Simplify and clean up some machine operand/instr printing/dumping stuff.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@45456
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Chris Lattner [Sun, 30 Dec 2007 20:55:08 +0000 (20:55 +0000)]
two register machineoperands are not identical unless their subregs match.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@45455
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Chris Lattner [Sun, 30 Dec 2007 20:50:28 +0000 (20:50 +0000)]
MachineOperand::getImmedValue -> MachineOperand::getImm
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@45454
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Chris Lattner [Sun, 30 Dec 2007 20:49:49 +0000 (20:49 +0000)]
Use MachineOperand::getImm instead of MachineOperand::getImmedValue. Likewise setImmedValue -> setImm
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@45453
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Gordon Henriksen [Sun, 30 Dec 2007 18:12:41 +0000 (18:12 +0000)]
Trying r45451 again, but this time warning-free on 3.10.x.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@45452
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Gordon Henriksen [Sun, 30 Dec 2007 17:48:11 +0000 (17:48 +0000)]
Remove some lines that are nonportable to Ocaml 3.06.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@45451
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Gordon Henriksen [Sun, 30 Dec 2007 17:46:33 +0000 (17:46 +0000)]
Add some doxygen comments to llvm-c/Core.h.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@45450
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Chris Lattner [Sun, 30 Dec 2007 06:11:04 +0000 (06:11 +0000)]
make machine operands fatter: give each one an up-pointer to the
machineinstr that owns it.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@45449
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Gordon Henriksen [Sun, 30 Dec 2007 05:45:49 +0000 (05:45 +0000)]
Strengthening this test so it fails in release mode.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@45446
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Chris Lattner [Sun, 30 Dec 2007 04:40:25 +0000 (04:40 +0000)]
split machineoperand out into its own header file.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@45445
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Bill Wendling [Sun, 30 Dec 2007 03:18:58 +0000 (03:18 +0000)]
If we have a load of a global address that's not modified during the
function, then go ahead and hoist it out of the loop. This is the result:
$ cat a.c
volatile int G;
int A(int N) {
for (; N > 0; --N)
G++;
}
$ llc -o - -relocation-model=pic
_A:
...
LBB1_2: # bb
movl L_G$non_lazy_ptr-"L1$pb"(%eax), %esi
incl (%esi)
incl %edx
cmpl %ecx, %edx
jne LBB1_2 # bb
...
$ llc -o - -relocation-model=pic -machine-licm
_A:
...
movl L_G$non_lazy_ptr-"L1$pb"(%eax), %eax
LBB1_2: # bb
incl (%eax)
incl %edx
cmpl %ecx, %edx
jne LBB1_2 # bb
...
I'm limiting this to the MOV32rm x86 instruction for now.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@45444
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Chris Lattner [Sun, 30 Dec 2007 01:11:43 +0000 (01:11 +0000)]
remove unneeded #includes.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@45439
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Chris Lattner [Sun, 30 Dec 2007 01:04:05 +0000 (01:04 +0000)]
remove a bunch of now-dead methods.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@45438
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Chris Lattner [Sun, 30 Dec 2007 01:01:54 +0000 (01:01 +0000)]
use simplified operand addition methods.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@45437
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Chris Lattner [Sun, 30 Dec 2007 00:57:42 +0000 (00:57 +0000)]
use simplified operand addition methods.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@45436
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Chris Lattner [Sun, 30 Dec 2007 00:51:11 +0000 (00:51 +0000)]
use simplified operand addition methods.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@45435
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Chris Lattner [Sun, 30 Dec 2007 00:50:55 +0000 (00:50 +0000)]
make offset operand optional.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@45434
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Chris Lattner [Sun, 30 Dec 2007 00:45:46 +0000 (00:45 +0000)]
Shrinkify the machine operand creation method names.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@45433
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Chris Lattner [Sun, 30 Dec 2007 00:41:17 +0000 (00:41 +0000)]
Start using the simplified methods for adding operands.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@45432
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Chris Lattner [Sun, 30 Dec 2007 00:35:18 +0000 (00:35 +0000)]
switch MIBuilder over to use the simplified operand addition methods.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@45431
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Chris Lattner [Sun, 30 Dec 2007 00:29:19 +0000 (00:29 +0000)]
1. Make a static MachineOperand::create* method for every
operand type.
2. Move these create methods below the accessors.
3. Simplify all the MachineInstr::add* methods to use these.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@45430
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Chris Lattner [Sun, 30 Dec 2007 00:25:23 +0000 (00:25 +0000)]
tblgen shouldn't include headers from llvm codegen.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@45429
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Chris Lattner [Sun, 30 Dec 2007 00:12:25 +0000 (00:12 +0000)]
simplify some code by factoring operand construction better.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@45428
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Chris Lattner [Sat, 29 Dec 2007 22:59:10 +0000 (22:59 +0000)]
remove attribution from a variety of miscellaneous files.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@45425
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Chris Lattner [Sat, 29 Dec 2007 20:47:37 +0000 (20:47 +0000)]
regenerate
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@45424
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Chris Lattner [Sat, 29 Dec 2007 20:46:15 +0000 (20:46 +0000)]
remove attributions
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@45423
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Gordon Henriksen [Sat, 29 Dec 2007 20:45:00 +0000 (20:45 +0000)]
Bindings for instruction calling conventions.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@45422
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Chris Lattner [Sat, 29 Dec 2007 20:44:31 +0000 (20:44 +0000)]
remove attributions from tools.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@45421
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Chris Lattner [Sat, 29 Dec 2007 20:37:57 +0000 (20:37 +0000)]
remove attributions from examples.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@45420
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Chris Lattner [Sat, 29 Dec 2007 20:37:13 +0000 (20:37 +0000)]
remove attributions from utils.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@45419
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Chris Lattner [Sat, 29 Dec 2007 20:36:04 +0000 (20:36 +0000)]
Remove attribution from file headers, per discussion on llvmdev.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@45418
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Chris Lattner [Sat, 29 Dec 2007 20:11:13 +0000 (20:11 +0000)]
remove attributions from the rest of the llvm makefiles.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@45416
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Chris Lattner [Sat, 29 Dec 2007 20:09:26 +0000 (20:09 +0000)]
remove attribution from lib Makefiles.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@45415
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Chris Lattner [Sat, 29 Dec 2007 20:07:17 +0000 (20:07 +0000)]
remove attributions from tools/utils makefiles.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@45414
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Chris Lattner [Sat, 29 Dec 2007 19:59:42 +0000 (19:59 +0000)]
Don't attribute in file headers anymore. See llvmdev for the
discussion of this change. Boy are my fingers tired. ;-)
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@45411
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Chris Lattner [Sat, 29 Dec 2007 19:56:08 +0000 (19:56 +0000)]
Don't attribute in file headers anymore. See llvmdev for the
discussion of this change.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@45409
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Chris Lattner [Sat, 29 Dec 2007 19:38:02 +0000 (19:38 +0000)]
this is done.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@45408
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Chris Lattner [Sat, 29 Dec 2007 19:31:47 +0000 (19:31 +0000)]
One readme entry is done, one is really easy (Evan, want to investigate
eliminating the llvm.x86.sse2.loadl.pd intrinsic?), one shuffle optzn
may be done (if shufps is better than pinsw, Evan, please review), and
we already know about LICM of simple instructions.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@45407
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Chris Lattner [Sat, 29 Dec 2007 19:24:06 +0000 (19:24 +0000)]
upgrade this test
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@45406
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Chris Lattner [Sat, 29 Dec 2007 08:37:08 +0000 (08:37 +0000)]
Fold comparisons against a constant nan, and optimize ORD/UNORD
comparisons with a constant. This allows us to compile isnan to:
_foo:
fcmpu cr7, f1, f1
mfcr r2
rlwinm r3, r2, 0, 31, 31
blr
instead of:
LCPI1_0: ; float
.space 4
_foo:
lis r2, ha16(LCPI1_0)
lfs f0, lo16(LCPI1_0)(r2)
fcmpu cr7, f1, f0
mfcr r2
rlwinm r3, r2, 0, 31, 31
blr
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@45405
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Chris Lattner [Sat, 29 Dec 2007 08:19:39 +0000 (08:19 +0000)]
this xform is implemented.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@45404
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Christopher Lamb [Sat, 29 Dec 2007 07:56:53 +0000 (07:56 +0000)]
Disable null pointer folding transforms for non-generic address spaces. This should probably be a target-specific predicate based on address space. That way for targets where this isn't applicable the predicate can be optimized away.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@45403
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Chris Lattner [Sat, 29 Dec 2007 07:15:45 +0000 (07:15 +0000)]
make sure not to zap volatile stores, thanks a lot to Dale for noticing this!
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@45402
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Chris Lattner [Sat, 29 Dec 2007 06:57:38 +0000 (06:57 +0000)]
Codegen:
as:
_bar:
pushl %esi
subl $8, %esp
movl 16(%esp), %esi
call L_foo$stub
fstps (%esi)
addl $8, %esp
popl %esi
#FP_REG_KILL
ret
instead of:
_bar:
pushl %esi
subl $8, %esp
movl 16(%esp), %esi
call L_foo$stub
fstpl (%esi)
cvtsd2ss (%esi), %xmm0
movss %xmm0, (%esi)
addl $8, %esp
popl %esi
#FP_REG_KILL
ret
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@45401
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Chris Lattner [Sat, 29 Dec 2007 06:55:23 +0000 (06:55 +0000)]
don't fold fp_round(fp_extend(load)) -> fp_round(extload)
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@45400
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Chris Lattner [Sat, 29 Dec 2007 06:41:28 +0000 (06:41 +0000)]
avoid going through a stack slot to convert from fpstack to xmm reg
if we are just going to store it back anyway. This improves things
like:
double foo();
void bar(double *P) { *P = foo(); }
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@45399
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Chris Lattner [Sat, 29 Dec 2007 06:26:16 +0000 (06:26 +0000)]
Delete a store whose input is a load from the same pointer:
x = load p
store x -> p
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@45398
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Chris Lattner [Sat, 29 Dec 2007 05:51:58 +0000 (05:51 +0000)]
add a note
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@45397
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Chris Lattner [Sat, 29 Dec 2007 01:05:01 +0000 (01:05 +0000)]
expand note.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@45393
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Chris Lattner [Sat, 29 Dec 2007 00:59:12 +0000 (00:59 +0000)]
dead calls to llvm.stacksave can be deleted, even though they
have potential side-effects.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@45392
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Chris Lattner [Sat, 29 Dec 2007 00:57:06 +0000 (00:57 +0000)]
upgrade this test
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@45391
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Devang Patel [Fri, 28 Dec 2007 22:59:48 +0000 (22:59 +0000)]
Test -simplifycfg only.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@45389
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Chris Lattner [Fri, 28 Dec 2007 22:30:05 +0000 (22:30 +0000)]
add a note.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@45388
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Chris Lattner [Fri, 28 Dec 2007 21:50:40 +0000 (21:50 +0000)]
add a note.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@45387
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Owen Anderson [Fri, 28 Dec 2007 21:08:43 +0000 (21:08 +0000)]
Add a testcase for my recent InstCombine fix, written by Nicholas.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@45386
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Owen Anderson [Fri, 28 Dec 2007 07:42:12 +0000 (07:42 +0000)]
Repair a transform that Chris noticed a bug in. Thanks to Nicholas for pointing out my stupid mistakes when writing this patch. :-)
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@45384
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Chris Lattner [Fri, 28 Dec 2007 06:24:31 +0000 (06:24 +0000)]
disable this instcombine xform, it miscompiles:
define i32 @main() {
entry:
%z = alloca i32 ; <i32*> [#uses=2]
store i32 0, i32* %z
%tmp = load i32* %z ; <i32> [#uses=1]
%sub = sub i32 %tmp, 1 ; <i32> [#uses=1]
%cmp = icmp ult i32 %sub, 0 ; <i1> [#uses=1]
%retval = select i1 %cmp, i32 1, i32 0 ; <i32> [#uses=1]
ret i32 %retval
}
into ret 1, instead of ret 0.
Christopher, please investigate.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@45383
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