diff options
Diffstat (limited to 'llvm/lib/Analysis/ValueTracking.cpp')
| -rw-r--r-- | llvm/lib/Analysis/ValueTracking.cpp | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/llvm/lib/Analysis/ValueTracking.cpp b/llvm/lib/Analysis/ValueTracking.cpp index 6857cf4..cf8fa9c 100644 --- a/llvm/lib/Analysis/ValueTracking.cpp +++ b/llvm/lib/Analysis/ValueTracking.cpp @@ -3178,6 +3178,10 @@ Value *llvm::isBytewiseValue(Value *V, const DataLayout &DL) { if (isa<UndefValue>(V)) return UndefInt8; + const uint64_t Size = DL.getTypeStoreSize(V->getType()); + if (!Size) + return UndefInt8; + Constant *C = dyn_cast<Constant>(V); if (!C) { // Conceptually, we could handle things like: |