6502/llvm-6502
1
0
Fork 0
mirror of https://github.com/c64scene-ar/llvm-6502.git synced 2025-06-24 08:24:33 +00:00
Code Issues Projects Releases Wiki Activity

eliminate CallInst::ArgOffset

Browse Source 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@108522 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Gabor Greif
2010-07-16 09:38:02 +00:00
parent 10bb4211d6
commit a6aac4c5bc
8 changed files with 37 additions and 44 deletions
Download Patch File Download Diff File Expand all files Collapse all files

6
lib/Transforms/InstCombine/InstCombineCalls.cpp
View File

@ -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->getArgOperand(SizeCIOp - CallInst::ArgOffset))) {
if (ConstantInt *SizeCI = dyn_cast<ConstantInt>(CI->getArgOperand(SizeCIOp))) {
if (SizeCI->isAllOnesValue())
return true;
if (isString)
return SizeCI->getZExtValue() >=
GetStringLength(CI->getArgOperand(SizeArgOp - CallInst::ArgOffset));
if (ConstantInt *Arg = dyn_cast<ConstantInt>(CI->getArgOperand(SizeArgOp - CallInst::ArgOffset)))
GetStringLength(CI->getArgOperand(SizeArgOp));
if (ConstantInt *Arg = dyn_cast<ConstantInt>(CI->getArgOperand(SizeArgOp)))
return SizeCI->getZExtValue() >= Arg->getZExtValue();
}
return false;