diff options
Diffstat (limited to 'contrib/llvm-project/llvm/lib/Transforms/Utils/RelLookupTableConverter.cpp')
-rw-r--r-- | contrib/llvm-project/llvm/lib/Transforms/Utils/RelLookupTableConverter.cpp | 8 |
1 files changed, 6 insertions, 2 deletions
diff --git a/contrib/llvm-project/llvm/lib/Transforms/Utils/RelLookupTableConverter.cpp b/contrib/llvm-project/llvm/lib/Transforms/Utils/RelLookupTableConverter.cpp index 926427450682..c9ff94dc9744 100644 --- a/contrib/llvm-project/llvm/lib/Transforms/Utils/RelLookupTableConverter.cpp +++ b/contrib/llvm-project/llvm/lib/Transforms/Utils/RelLookupTableConverter.cpp @@ -57,11 +57,15 @@ static bool shouldConvertToRelLookupTable(Module &M, GlobalVariable &GV) { return false; ConstantArray *Array = dyn_cast<ConstantArray>(GV.getInitializer()); - // If values are not pointers, do not generate a relative lookup table. - if (!Array || !Array->getType()->getElementType()->isPointerTy()) + if (!Array) return false; + // If values are not 64-bit pointers, do not generate a relative lookup table. const DataLayout &DL = M.getDataLayout(); + Type *ElemType = Array->getType()->getElementType(); + if (!ElemType->isPointerTy() || DL.getPointerTypeSizeInBits(ElemType) != 64) + return false; + for (const Use &Op : Array->operands()) { Constant *ConstOp = cast<Constant>(&Op); GlobalValue *GVOp; |