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| author | Evan Cheng <evan.cheng@apple.com> | 2007-05-09 21:49:47 +0000 |
|---|---|---|
| committer | Evan Cheng <evan.cheng@apple.com> | 2007-05-09 21:49:47 +0000 |
| commit | 2c4f94363a02f482ddcfccc343978595a8a79438 (patch) | |
| tree | 3965d3250aaa01e96043e0e519234a0e36101ba9 /lib | |
| parent | 7294b58ecdb430d1473d0a9220a234e62a710d54 (diff) | |
Can't fold the bit_convert is the store is a truncating store.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@36962 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'lib')
| -rw-r--r-- | lib/CodeGen/SelectionDAG/DAGCombiner.cpp | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/lib/CodeGen/SelectionDAG/DAGCombiner.cpp b/lib/CodeGen/SelectionDAG/DAGCombiner.cpp index 290d621cf0..744a474ba4 100644 --- a/lib/CodeGen/SelectionDAG/DAGCombiner.cpp +++ b/lib/CodeGen/SelectionDAG/DAGCombiner.cpp @@ -3422,8 +3422,8 @@ SDOperand DAGCombiner::visitSTORE(SDNode *N) { SDOperand Ptr = ST->getBasePtr(); // If this is a store of a bit convert, store the input value if the - // resultant store does not need a higher alignment than the original. - if (Value.getOpcode() == ISD::BIT_CONVERT) { + // resultant store does not need a higher alignment than the original. + if (Value.getOpcode() == ISD::BIT_CONVERT && !ST->isTruncatingStore()) { unsigned Align = ST->getAlignment(); MVT::ValueType SVT = Value.getOperand(0).getValueType(); unsigned OrigAlign = TLI.getTargetMachine().getTargetData()-> |