diff options
| -rw-r--r-- | llvm/lib/Analysis/ConstantFolding.cpp | 8 |
1 files changed, 4 insertions, 4 deletions
diff --git a/llvm/lib/Analysis/ConstantFolding.cpp b/llvm/lib/Analysis/ConstantFolding.cpp index 20370d23b7c..73bdd99fcc9 100644 --- a/llvm/lib/Analysis/ConstantFolding.cpp +++ b/llvm/lib/Analysis/ConstantFolding.cpp @@ -850,13 +850,13 @@ Constant *SymbolicallyEvaluateGEP(const GEPOperator *GEP, // index for this level and proceed to the next level to see if it can // accommodate the offset. NewIdxs.push_back(ConstantInt::get(IntPtrTy, 0)); - } else if (ElemSize.isAllOnesValue()) { - // Avoid signed overflow. - break; } else { // The element size is non-zero divide the offset by the element // size (rounding down), to compute the index at this level. - APInt NewIdx = Offset.sdiv(ElemSize); + bool Overflow; + APInt NewIdx = Offset.sdiv_ov(ElemSize, Overflow); + if (Overflow) + break; Offset -= NewIdx * ElemSize; NewIdxs.push_back(ConstantInt::get(IntPtrTy, NewIdx)); } |
