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authorOwen Anderson <resistor@mac.com>2013-02-14 09:07:33 +0000
committerOwen Anderson <resistor@mac.com>2013-02-14 09:07:33 +0000
commit39125d9a3a319b6dfd1fba639cd7df2fa1465a8e (patch)
treec4e71ec4744b5e9d38a969b0cf77088168afb90f /lib/CodeGen/SelectionDAG/DAGCombiner.cpp
parentc8c82dc1cce927d3096243a4514a84c5d75f4d24 (diff)
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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
Diffstat (limited to 'lib/CodeGen/SelectionDAG/DAGCombiner.cpp')
-rw-r--r--lib/CodeGen/SelectionDAG/DAGCombiner.cpp8
1 files changed, 6 insertions, 2 deletions
diff --git a/lib/CodeGen/SelectionDAG/DAGCombiner.cpp b/lib/CodeGen/SelectionDAG/DAGCombiner.cpp
index 67fa39d9c2..c61d7ac0a8 100644
--- a/lib/CodeGen/SelectionDAG/DAGCombiner.cpp
+++ b/lib/CodeGen/SelectionDAG/DAGCombiner.cpp
@@ -2634,7 +2634,9 @@ SDValue DAGCombiner::visitAND(SDNode *N) {
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 @@ SDValue DAGCombiner::visitOR(SDNode *N) {
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);
}