Fixed potential bug if the source and target of a bit convert have different alignment
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@53590 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/CodeGen/SelectionDAG/LegalizeDAG.cpp b/lib/CodeGen/SelectionDAG/LegalizeDAG.cpp
index 632653b..4b9236d 100644
--- a/lib/CodeGen/SelectionDAG/LegalizeDAG.cpp
+++ b/lib/CodeGen/SelectionDAG/LegalizeDAG.cpp
@@ -7015,7 +7015,9 @@
// The input is a scalar or single-element vector.
// Lower to a store/load so that it can be split.
// FIXME: this could be improved probably.
- SDOperand Ptr = DAG.CreateStackTemporary(InOp.getValueType());
+ unsigned LdAlign = TLI.getTargetData()->getPrefTypeAlignment(
+ Op.getValueType().getTypeForMVT());
+ SDOperand Ptr = DAG.CreateStackTemporary(InOp.getValueType(), LdAlign);
int FI = cast<FrameIndexSDNode>(Ptr.Val)->getIndex();
SDOperand St = DAG.getStore(DAG.getEntryNode(),