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reapply r101364, which has been backed out in r101368

Browse Source 
with a fix

rotate CallInst operands, i.e. move callee to the back
of the operand array

the motivation for this patch are laid out in my mail to llvm-commits:
more efficient access to operands and callee, faster callgraph-construction,
smaller compiler binary


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@101397 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Gabor Greif
2010-04-15 20:51:13 +00:00
parent 83821c8941
commit 2ff961f668
43 changed files with 578 additions and 587 deletions
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8
lib/Transforms/Instrumentation/ProfilingUtils.cpp
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@ -73,10 +73,10 @@ void llvm::InsertProfilingInitCall(Function *MainFn, const char *FnName,
if (AI->getType() != ArgVTy) {
Instruction::CastOps opcode = CastInst::getCastOpcode(AI, false, ArgVTy,
false);
InitCall->setOperand(2,
InitCall->setOperand(1,
CastInst::Create(opcode, AI, ArgVTy, "argv.cast", InitCall));
} else {
InitCall->setOperand(2, AI);
InitCall->setOperand(1, AI);
}
/* FALL THROUGH */
@ -93,12 +93,12 @@ void llvm::InsertProfilingInitCall(Function *MainFn, const char *FnName,
}
opcode = CastInst::getCastOpcode(AI, true,
Type::getInt32Ty(Context), true);
InitCall->setOperand(1,
InitCall->setOperand(0,
CastInst::Create(opcode, AI, Type::getInt32Ty(Context),
"argc.cast", InitCall));
} else {
AI->replaceAllUsesWith(InitCall);
InitCall->setOperand(1, AI);
InitCall->setOperand(0, AI);
}
case 0: break;