diff options
Diffstat (limited to 'lib/Transforms')
| -rw-r--r-- | lib/Transforms/Scalar/ScalarReplAggregates.cpp | 5 |
1 files changed, 4 insertions, 1 deletions
diff --git a/lib/Transforms/Scalar/ScalarReplAggregates.cpp b/lib/Transforms/Scalar/ScalarReplAggregates.cpp index 6857162dc4..4f99ee8e6e 100644 --- a/lib/Transforms/Scalar/ScalarReplAggregates.cpp +++ b/lib/Transforms/Scalar/ScalarReplAggregates.cpp @@ -255,9 +255,12 @@ bool SROA::performScalarRepl(Function &F) { // value cannot be decomposed at all. uint64_t AllocaSize = TD->getTypeAllocSize(AI->getAllocatedType()); + // Do not promote [0 x %struct]. + if (AllocaSize == 0) continue; + // Do not promote any struct whose size is too big. if (AllocaSize > SRThreshold) continue; - + if ((isa<StructType>(AI->getAllocatedType()) || isa<ArrayType>(AI->getAllocatedType())) && // Do not promote any struct into more than "32" separate vars. |