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-rw-r--r--llvm/lib/CodeGen/SelectionDAG/LegalizeVectorOps.cpp11
1 files changed, 7 insertions, 4 deletions
diff --git a/llvm/lib/CodeGen/SelectionDAG/LegalizeVectorOps.cpp b/llvm/lib/CodeGen/SelectionDAG/LegalizeVectorOps.cpp
index 3a8c276e261..9abbe738dfa 100644
--- a/llvm/lib/CodeGen/SelectionDAG/LegalizeVectorOps.cpp
+++ b/llvm/lib/CodeGen/SelectionDAG/LegalizeVectorOps.cpp
@@ -512,7 +512,8 @@ SDValue VectorLegalizer::ExpandLoad(SDValue Op) {
ScalarLoad = DAG.getLoad(WideVT, dl, Chain, BasePTR,
LD->getPointerInfo().getWithOffset(Offset),
LD->isVolatile(), LD->isNonTemporal(),
- LD->isInvariant(), LD->getAlignment(),
+ LD->isInvariant(),
+ MinAlign(LD->getAlignment(), Offset),
LD->getAAInfo());
} else {
EVT LoadVT = WideVT;
@@ -524,7 +525,8 @@ SDValue VectorLegalizer::ExpandLoad(SDValue Op) {
LD->getPointerInfo().getWithOffset(Offset),
LoadVT, LD->isVolatile(),
LD->isNonTemporal(), LD->isInvariant(),
- LD->getAlignment(), LD->getAAInfo());
+ MinAlign(LD->getAlignment(), Offset),
+ LD->getAAInfo());
}
RemainingBytes -= LoadBytes;
@@ -595,7 +597,7 @@ SDValue VectorLegalizer::ExpandLoad(SDValue Op) {
Chain, BasePTR, LD->getPointerInfo().getWithOffset(Idx * Stride),
SrcVT.getScalarType(),
LD->isVolatile(), LD->isNonTemporal(), LD->isInvariant(),
- LD->getAlignment(), LD->getAAInfo());
+ MinAlign(LD->getAlignment(), Idx * Stride), LD->getAAInfo());
BasePTR = DAG.getNode(ISD::ADD, dl, BasePTR.getValueType(), BasePTR,
DAG.getConstant(Stride, BasePTR.getValueType()));
@@ -654,7 +656,8 @@ SDValue VectorLegalizer::ExpandStore(SDValue Op) {
// This scalar TruncStore may be illegal, but we legalize it later.
SDValue Store = DAG.getTruncStore(Chain, dl, Ex, BasePTR,
ST->getPointerInfo().getWithOffset(Idx*Stride), MemSclVT,
- isVolatile, isNonTemporal, Alignment, AAInfo);
+ isVolatile, isNonTemporal, MinAlign(Alignment, Idx*Stride),
+ AAInfo);
BasePTR = DAG.getNode(ISD::ADD, dl, BasePTR.getValueType(), BasePTR,
DAG.getConstant(Stride, BasePTR.getValueType()));
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