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use getArgOperand (corrected by CallInst::ArgOffset) instead of getOperand 

llvm-svn: 107275
This commit is contained in:
Gabor Greif 2010-06-30 12:38:26 +00:00
parent 639ffb0c07
commit 3abd881bea
1 changed files with 3 additions and 3 deletions
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6
llvm/lib/Transforms/InstCombine/InstCombineCalls.cpp
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@ -772,13 +772,13 @@ protected:
NewInstruction = IC->ReplaceInstUsesWith(*CI, With);
}
bool isFoldable(unsigned SizeCIOp, unsigned SizeArgOp, bool isString) const {
if (ConstantInt *SizeCI = dyn_cast<ConstantInt>(CI->getOperand(SizeCIOp))) {
if (ConstantInt *SizeCI = dyn_cast<ConstantInt>(CI->getArgOperand(SizeCIOp - CallInst::ArgOffset))) {
if (SizeCI->isAllOnesValue())
return true;
if (isString)
return SizeCI->getZExtValue() >=
GetStringLength(CI->getOperand(SizeArgOp));
if (ConstantInt *Arg = dyn_cast<ConstantInt>(CI->getOperand(SizeArgOp)))
GetStringLength(CI->getArgOperand(SizeArgOp - CallInst::ArgOffset));
if (ConstantInt *Arg = dyn_cast<ConstantInt>(CI->getArgOperand(SizeArgOp - CallInst::ArgOffset)))
return SizeCI->getZExtValue() >= Arg->getZExtValue();
}
return false;