diff options
Diffstat (limited to 'contrib/llvm/lib/Transforms/Utils/CmpInstAnalysis.cpp')
| -rw-r--r-- | contrib/llvm/lib/Transforms/Utils/CmpInstAnalysis.cpp | 10 |
1 files changed, 5 insertions, 5 deletions
diff --git a/contrib/llvm/lib/Transforms/Utils/CmpInstAnalysis.cpp b/contrib/llvm/lib/Transforms/Utils/CmpInstAnalysis.cpp index 60ae374..d9294c4 100644 --- a/contrib/llvm/lib/Transforms/Utils/CmpInstAnalysis.cpp +++ b/contrib/llvm/lib/Transforms/Utils/CmpInstAnalysis.cpp @@ -73,17 +73,17 @@ bool llvm::decomposeBitTestICmp(const ICmpInst *I, CmpInst::Predicate &Pred, default: return false; case ICmpInst::ICMP_SLT: - // X < 0 is equivalent to (X & SignBit) != 0. + // X < 0 is equivalent to (X & SignMask) != 0. if (!C->isZero()) return false; - Y = ConstantInt::get(I->getContext(), APInt::getSignBit(C->getBitWidth())); + Y = ConstantInt::get(I->getContext(), APInt::getSignMask(C->getBitWidth())); Pred = ICmpInst::ICMP_NE; break; case ICmpInst::ICMP_SGT: - // X > -1 is equivalent to (X & SignBit) == 0. - if (!C->isAllOnesValue()) + // X > -1 is equivalent to (X & SignMask) == 0. + if (!C->isMinusOne()) return false; - Y = ConstantInt::get(I->getContext(), APInt::getSignBit(C->getBitWidth())); + Y = ConstantInt::get(I->getContext(), APInt::getSignMask(C->getBitWidth())); Pred = ICmpInst::ICMP_EQ; break; case ICmpInst::ICMP_ULT: |
