diff options
Diffstat (limited to 'lib/Transforms')
| -rw-r--r-- | lib/Transforms/InstCombine/InstCombineCompares.cpp | 11 |
1 files changed, 2 insertions, 9 deletions
diff --git a/lib/Transforms/InstCombine/InstCombineCompares.cpp b/lib/Transforms/InstCombine/InstCombineCompares.cpp index c0225ae..4ac4753 100644 --- a/lib/Transforms/InstCombine/InstCombineCompares.cpp +++ b/lib/Transforms/InstCombine/InstCombineCompares.cpp @@ -226,8 +226,8 @@ static void ComputeUnsignedMinMaxValuesFromKnownBits(const APInt &KnownZero, Instruction *InstCombiner:: FoldCmpLoadFromIndexedGlobal(GetElementPtrInst *GEP, GlobalVariable *GV, CmpInst &ICI, ConstantInt *AndCst) { - // We need TD information to know the pointer size unless this is inbounds. - if (!GEP->isInBounds() && TD == 0) return 0; + if (!GEP->isInBounds()) + return 0; Constant *Init = GV->getInitializer(); if (!isa<ConstantArray>(Init) && !isa<ConstantDataArray>(Init)) @@ -390,13 +390,6 @@ FoldCmpLoadFromIndexedGlobal(GetElementPtrInst *GEP, GlobalVariable *GV, // order the state machines in complexity of the generated code. Value *Idx = GEP->getOperand(2); - // If the index is larger than the pointer size of the target, truncate the - // index down like the GEP would do implicitly. We don't have to do this for - // an inbounds GEP because the index can't be out of range. - if (!GEP->isInBounds() && - Idx->getType()->getPrimitiveSizeInBits() > TD->getPointerSizeInBits()) - Idx = Builder->CreateTrunc(Idx, TD->getIntPtrType(Idx->getContext())); - // If the comparison is only true for one or two elements, emit direct // comparisons. if (SecondTrueElement != Overdefined) { |