diff options
Diffstat (limited to 'llvm/lib/Analysis/LazyValueInfo.cpp')
| -rw-r--r-- | llvm/lib/Analysis/LazyValueInfo.cpp | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/llvm/lib/Analysis/LazyValueInfo.cpp b/llvm/lib/Analysis/LazyValueInfo.cpp index c5c90271a08..8c090108c60 100644 --- a/llvm/lib/Analysis/LazyValueInfo.cpp +++ b/llvm/lib/Analysis/LazyValueInfo.cpp @@ -1211,6 +1211,9 @@ static LVILatticeVal getValueFromICmpCondition(Value *Val, ICmpInst *ICI, /*isFullSet=*/true); if (ConstantInt *CI = dyn_cast<ConstantInt>(RHS)) RHSRange = ConstantRange(CI->getValue()); + else if (Instruction *I = dyn_cast<Instruction>(RHS)) + if (auto *Ranges = I->getMetadata(LLVMContext::MD_range)) + RHSRange = getConstantRangeFromMetadata(*Ranges); // If we're interested in the false dest, invert the condition CmpInst::Predicate Pred = |
