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| author | Chris Lattner <sabre@nondot.org> | 2008-10-28 07:11:07 +0000 |
|---|---|---|
| committer | Chris Lattner <sabre@nondot.org> | 2008-10-28 07:11:07 +0000 |
| commit | 6e1c6231ba93ed7590c62ef0f94d0d9443b598ed (patch) | |
| tree | 961807d92987e111aeb39e3d7235a0fe047b537c | |
| parent | 7fe5e1812f5d018784d5186ccb31525665e61863 (diff) | |
| download | external_llvm-6e1c6231ba93ed7590c62ef0f94d0d9443b598ed.zip external_llvm-6e1c6231ba93ed7590c62ef0f94d0d9443b598ed.tar.gz external_llvm-6e1c6231ba93ed7590c62ef0f94d0d9443b598ed.tar.bz2 | |
Don't produce invalid comparisons after legalize.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@58320 91177308-0d34-0410-b5e6-96231b3b80d8
| -rw-r--r-- | lib/CodeGen/SelectionDAG/DAGCombiner.cpp | 6 |
1 files changed, 4 insertions, 2 deletions
diff --git a/lib/CodeGen/SelectionDAG/DAGCombiner.cpp b/lib/CodeGen/SelectionDAG/DAGCombiner.cpp index 0622c55..c6c8e03 100644 --- a/lib/CodeGen/SelectionDAG/DAGCombiner.cpp +++ b/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); } } |