Add some legality checks for SETCC before introducing it in the DAG combiner post-operand legalization.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@175149 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/CodeGen/SelectionDAG/DAGCombiner.cpp b/lib/CodeGen/SelectionDAG/DAGCombiner.cpp
index 67fa39d..c61d7ac 100644
--- a/lib/CodeGen/SelectionDAG/DAGCombiner.cpp
+++ b/lib/CodeGen/SelectionDAG/DAGCombiner.cpp
@@ -2634,7 +2634,9 @@
ISD::CondCode Result = ISD::getSetCCAndOperation(Op0, Op1, isInteger);
if (Result != ISD::SETCC_INVALID &&
(!LegalOperations ||
- TLI.isCondCodeLegal(Result, LL.getSimpleValueType())))
+ (TLI.isCondCodeLegal(Result, LL.getSimpleValueType()) &&
+ TLI.isOperationLegal(ISD::SETCC,
+ TLI.getSetCCResultType(N0.getSimpleValueType())))))
return DAG.getSetCC(N->getDebugLoc(), N0.getValueType(),
LL, LR, Result);
}
@@ -3144,7 +3146,9 @@
ISD::CondCode Result = ISD::getSetCCOrOperation(Op0, Op1, isInteger);
if (Result != ISD::SETCC_INVALID &&
(!LegalOperations ||
- TLI.isCondCodeLegal(Result, LL.getSimpleValueType())))
+ (TLI.isCondCodeLegal(Result, LL.getSimpleValueType()) &&
+ TLI.isOperationLegal(ISD::SETCC,
+ TLI.getSetCCResultType(N0.getValueType())))))
return DAG.getSetCC(N->getDebugLoc(), N0.getValueType(),
LL, LR, Result);
}