diff options
Diffstat (limited to 'llvm/lib/Target/X86/X86ISelLowering.cpp')
| -rw-r--r-- | llvm/lib/Target/X86/X86ISelLowering.cpp | 8 |
1 files changed, 5 insertions, 3 deletions
diff --git a/llvm/lib/Target/X86/X86ISelLowering.cpp b/llvm/lib/Target/X86/X86ISelLowering.cpp index 1869cc9da017..920cdd7e625e 100644 --- a/llvm/lib/Target/X86/X86ISelLowering.cpp +++ b/llvm/lib/Target/X86/X86ISelLowering.cpp @@ -21182,12 +21182,14 @@ static SDValue splitVectorStore(StoreSDNode *Store, SelectionDAG &DAG) { "Expecting 256/512-bit op"); // Splitting volatile memory ops is not allowed unless the operation was not - // legal to begin with. We are assuming the input op is legal (this transform - // is only used for targets with AVX). + // legal to begin with. Assume the input store is legal (this transform is + // only used for targets with AVX). Note: It is possible that we have an + // illegal type like v2i128, and so we could allow splitting a volatile store + // in that case if that is important. if (Store->isVolatile()) return SDValue(); - MVT StoreVT = StoredVal.getSimpleValueType(); + EVT StoreVT = StoredVal.getValueType(); unsigned NumElems = StoreVT.getVectorNumElements(); unsigned HalfSize = StoredVal.getValueSizeInBits() / 2; unsigned HalfAlign = (128 == HalfSize ? 16 : 32); |