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| author | Jakob Stoklund Olesen <stoklund@2pi.dk> | 2009-08-08 20:42:17 +0000 |
|---|---|---|
| committer | Jakob Stoklund Olesen <stoklund@2pi.dk> | 2009-08-08 20:42:17 +0000 |
| commit | 17421d81fdbc94dbd8b3549b095303baaf52e689 (patch) | |
| tree | 1f468661064098a70cb0f083a6633d03a8a73bc0 /lib | |
| parent | 9aee18186c1f9b6477914c913defeae1cb036548 (diff) | |
| download | external_llvm-17421d81fdbc94dbd8b3549b095303baaf52e689.zip external_llvm-17421d81fdbc94dbd8b3549b095303baaf52e689.tar.gz external_llvm-17421d81fdbc94dbd8b3549b095303baaf52e689.tar.bz2 | |
Don't build illegal ops in DAGCombiner::SimplifyBinOpWithSameOpcodeHands().
Blackfin supports and/or/xor on i32 but not on i16. Teach
DAGCombiner::SimplifyBinOpWithSameOpcodeHands to not produce illegal nodes
after legalize ops.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@78497 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'lib')
| -rw-r--r-- | lib/CodeGen/SelectionDAG/DAGCombiner.cpp | 4 |
1 files changed, 3 insertions, 1 deletions
diff --git a/lib/CodeGen/SelectionDAG/DAGCombiner.cpp b/lib/CodeGen/SelectionDAG/DAGCombiner.cpp index 3d0f337..7dec304 100644 --- a/lib/CodeGen/SelectionDAG/DAGCombiner.cpp +++ b/lib/CodeGen/SelectionDAG/DAGCombiner.cpp @@ -1679,7 +1679,9 @@ SDValue DAGCombiner::SimplifyBinOpWithSameOpcodeHands(SDNode *N) { N0.getOpcode() == ISD::SIGN_EXTEND || (N0.getOpcode() == ISD::TRUNCATE && !TLI.isTruncateFree(N0.getOperand(0).getValueType(), VT))) && - N0.getOperand(0).getValueType() == N1.getOperand(0).getValueType()) { + N0.getOperand(0).getValueType() == N1.getOperand(0).getValueType() && + (!LegalOperations || + TLI.isOperationLegal(N->getOpcode(), N0.getOperand(0).getValueType()))) { SDValue ORNode = DAG.getNode(N->getOpcode(), N0.getDebugLoc(), N0.getOperand(0).getValueType(), N0.getOperand(0), N1.getOperand(0)); |