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author | Chris Lattner <sabre@nondot.org> | 2008-10-28 07:11:07 +0000 |
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committer | Chris Lattner <sabre@nondot.org> | 2008-10-28 07:11:07 +0000 |
commit | 5fa104013001fd32b5753b32c9eba33d9c9229d9 (patch) | |
tree | 812096fe061e73759a9d04f686cf4f5752a918a2 /llvm/lib/CodeGen/SelectionDAG/DAGCombiner.cpp | |
parent | 56d016ab05f13033d173a6093535843b02ece0e7 (diff) | |
download | bcm5719-llvm-5fa104013001fd32b5753b32c9eba33d9c9229d9.tar.gz bcm5719-llvm-5fa104013001fd32b5753b32c9eba33d9c9229d9.zip |
Don't produce invalid comparisons after legalize.
llvm-svn: 58320
Diffstat (limited to 'llvm/lib/CodeGen/SelectionDAG/DAGCombiner.cpp')
-rw-r--r-- | llvm/lib/CodeGen/SelectionDAG/DAGCombiner.cpp | 6 |
1 files changed, 4 insertions, 2 deletions
diff --git a/llvm/lib/CodeGen/SelectionDAG/DAGCombiner.cpp b/llvm/lib/CodeGen/SelectionDAG/DAGCombiner.cpp index 0622c552d5a..c6c8e0359b3 100644 --- a/llvm/lib/CodeGen/SelectionDAG/DAGCombiner.cpp +++ b/llvm/lib/CodeGen/SelectionDAG/DAGCombiner.cpp @@ -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); } } |