Bug fix: should check ABI alignment, not pref. alignment.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@37094 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/CodeGen/SelectionDAG/DAGCombiner.cpp b/lib/CodeGen/SelectionDAG/DAGCombiner.cpp
index da0f8cf..2ea38e2 100644
--- a/lib/CodeGen/SelectionDAG/DAGCombiner.cpp
+++ b/lib/CodeGen/SelectionDAG/DAGCombiner.cpp
@@ -2685,7 +2685,7 @@
TLI.isOperationLegal(ISD::LOAD, VT)) {
LoadSDNode *LN0 = cast<LoadSDNode>(N0);
unsigned Align = TLI.getTargetMachine().getTargetData()->
- getPrefTypeAlignment(getTypeForValueType(VT));
+ getABITypeAlignment(getTypeForValueType(VT));
unsigned OrigAlign = LN0->getAlignment();
if (Align <= OrigAlign) {
SDOperand Load = DAG.getLoad(VT, LN0->getChain(), LN0->getBasePtr(),
@@ -3564,7 +3564,7 @@
unsigned Align = ST->getAlignment();
MVT::ValueType SVT = Value.getOperand(0).getValueType();
unsigned OrigAlign = TLI.getTargetMachine().getTargetData()->
- getPrefTypeAlignment(getTypeForValueType(SVT));
+ getABITypeAlignment(getTypeForValueType(SVT));
if (Align <= OrigAlign && TLI.isOperationLegal(ISD::STORE, SVT))
return DAG.getStore(Chain, Value.getOperand(0), Ptr, ST->getSrcValue(),
ST->getSrcValueOffset());