diff options
| -rw-r--r-- | llvm/lib/IR/Value.cpp | 8 |
1 files changed, 5 insertions, 3 deletions
diff --git a/llvm/lib/IR/Value.cpp b/llvm/lib/IR/Value.cpp index 6a743b708f9..c0efab4a35d 100644 --- a/llvm/lib/IR/Value.cpp +++ b/llvm/lib/IR/Value.cpp @@ -723,9 +723,11 @@ unsigned Value::getPointerAlignment(const DataLayout &DL) const { if (AllocatedType->isSized()) Align = DL.getPrefTypeAlignment(AllocatedType); } - } else if (const auto *Call = dyn_cast<CallBase>(this)) - Align = Call->getAttributes().getRetAlignment(); - else if (const LoadInst *LI = dyn_cast<LoadInst>(this)) + } else if (const auto *Call = dyn_cast<CallBase>(this)) { + Align = Call->getRetAlignment(); + if (Align == 0 && Call->getCalledFunction()) + Align = Call->getCalledFunction()->getAttributes().getRetAlignment(); + } else if (const LoadInst *LI = dyn_cast<LoadInst>(this)) if (MDNode *MD = LI->getMetadata(LLVMContext::MD_align)) { ConstantInt *CI = mdconst::extract<ConstantInt>(MD->getOperand(0)); Align = CI->getLimitedValue(); |
