diff options
Diffstat (limited to 'llvm/lib')
| -rw-r--r-- | llvm/lib/Transforms/Scalar/ScalarReplAggregates.cpp | 10 |
1 files changed, 6 insertions, 4 deletions
diff --git a/llvm/lib/Transforms/Scalar/ScalarReplAggregates.cpp b/llvm/lib/Transforms/Scalar/ScalarReplAggregates.cpp index 1bc8a1e3ea8..db6500c930b 100644 --- a/llvm/lib/Transforms/Scalar/ScalarReplAggregates.cpp +++ b/llvm/lib/Transforms/Scalar/ScalarReplAggregates.cpp @@ -903,9 +903,10 @@ void SROA::RewriteStoreUserOfWholeAlloca(StoreInst *SI, // If this isn't a store of an integer to the whole alloca, it may be a store // to the first element. Just ignore the store in this case and normal SROA - // will handle it. + // will handle it. We don't handle types here that have tail padding, like + // an alloca of type {i1}. if (!isa<IntegerType>(SrcVal->getType()) || - TD->getTypePaddedSizeInBits(SrcVal->getType()) != AllocaSizeBits) + TD->getTypeSizeInBits(SrcVal->getType()) != AllocaSizeBits) return; DOUT << "PROMOTING STORE TO WHOLE ALLOCA: " << *AI << *SI; @@ -1015,9 +1016,10 @@ void SROA::RewriteLoadUserOfWholeAlloca(LoadInst *LI, AllocationInst *AI, // If this isn't a load of the whole alloca to an integer, it may be a load // of the first element. Just ignore the load in this case and normal SROA - // will handle it. + // will handle it. We don't handle types here that have tail padding, like + // an alloca of type {i1}. if (!isa<IntegerType>(LI->getType()) || - TD->getTypePaddedSizeInBits(LI->getType()) != AllocaSizeBits) + TD->getTypeSizeInBits(LI->getType()) != AllocaSizeBits) return; DOUT << "PROMOTING LOAD OF WHOLE ALLOCA: " << *AI << *LI; |
