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Don't produce invalid comparisons after legalize.

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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@58320 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Chris Lattner 2008-10-28 07:11:07 +00:00
parent 7fe5e1812f
commit 6e1c6231ba
1 changed files with 4 additions and 2 deletions
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6
lib/CodeGen/SelectionDAG/DAGCombiner.cpp
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@ -1720,7 +1720,8 @@ SDValue DAGCombiner::visitAND(SDNode *N) {
if (LL == RL && LR == RR) {
bool isInteger = LL.getValueType().isInteger();
ISD::CondCode Result = ISD::getSetCCAndOperation(Op0, Op1, isInteger);
if (Result != ISD::SETCC_INVALID)
if (Result != ISD::SETCC_INVALID &&
(!AfterLegalize || TLI.isCondCodeLegal(Result, LL.getValueType())))
return DAG.getSetCC(N0.getValueType(), LL, LR, Result);
}
}
@ -1904,7 +1905,8 @@ SDValue DAGCombiner::visitOR(SDNode *N) {
if (LL == RL && LR == RR) {
bool isInteger = LL.getValueType().isInteger();
ISD::CondCode Result = ISD::getSetCCOrOperation(Op0, Op1, isInteger);
if (Result != ISD::SETCC_INVALID)
if (Result != ISD::SETCC_INVALID &&
(!AfterLegalize || TLI.isCondCodeLegal(Result, LL.getValueType())))
return DAG.getSetCC(N0.getValueType(), LL, LR, Result);
}
}