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. llvm-svn: 78497
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@ -1679,7 +1679,9 @@ SDValue DAGCombiner::SimplifyBinOpWithSameOpcodeHands(SDNode *N) {
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N0.getOpcode() == ISD::SIGN_EXTEND ||
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(N0.getOpcode() == ISD::TRUNCATE &&
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!TLI.isTruncateFree(N0.getOperand(0).getValueType(), VT))) &&
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N0.getOperand(0).getValueType() == N1.getOperand(0).getValueType()) {
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N0.getOperand(0).getValueType() == N1.getOperand(0).getValueType() &&
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(!LegalOperations ||
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TLI.isOperationLegal(N->getOpcode(), N0.getOperand(0).getValueType()))) {
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SDValue ORNode = DAG.getNode(N->getOpcode(), N0.getDebugLoc(),
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N0.getOperand(0).getValueType(),
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N0.getOperand(0), N1.getOperand(0));
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@ -1,7 +1,7 @@
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; RUN: llvm-as < %s | llc -march=bfin > %t
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; XFAIL: *
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; DAG combiner can produce an illegal i16 OR operation after LegalizeOps.
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; DAGCombiner::SimplifyBinOpWithSameOpcodeHands can produce an illegal i16 OR
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; operation after LegalizeOps.
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define void @mng_display_bgr565() {
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entry:
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