[llvm-commits] [llvm] r65201 - /llvm/trunk/lib/CodeGen/SelectionDAG/DAGCombiner.cpp
Dan Gohman
gohman at apple.com
Fri Feb 20 15:29:13 PST 2009
Author: djg
Date: Fri Feb 20 17:29:13 2009
New Revision: 65201
URL: http://llvm.org/viewvc/llvm-project?rev=65201&view=rev
Log:
Fix a bug that David Greene found in the DAGCombiner's logic
that checks whether it's safe to transform a store of a bitcast
value into a store of the original value.
Modified:
llvm/trunk/lib/CodeGen/SelectionDAG/DAGCombiner.cpp
Modified: llvm/trunk/lib/CodeGen/SelectionDAG/DAGCombiner.cpp
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/lib/CodeGen/SelectionDAG/DAGCombiner.cpp?rev=65201&r1=65200&r2=65201&view=diff
==============================================================================
--- llvm/trunk/lib/CodeGen/SelectionDAG/DAGCombiner.cpp (original)
+++ llvm/trunk/lib/CodeGen/SelectionDAG/DAGCombiner.cpp Fri Feb 20 17:29:13 2009
@@ -4903,9 +4903,9 @@
// resultant store does not need a higher alignment than the original.
if (Value.getOpcode() == ISD::BIT_CONVERT && !ST->isTruncatingStore() &&
ST->isUnindexed()) {
- unsigned Align = ST->getAlignment();
+ unsigned OrigAlign = ST->getAlignment();
MVT SVT = Value.getOperand(0).getValueType();
- unsigned OrigAlign = TLI.getTargetData()->
+ unsigned Align = TLI.getTargetData()->
getABITypeAlignment(SVT.getTypeForMVT());
if (Align <= OrigAlign &&
((!LegalOperations && !ST->isVolatile()) ||
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