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| author | Micah Villmow <villmow@gmail.com> | 2012-07-31 16:48:03 +0000 |
|---|---|---|
| committer | Micah Villmow <villmow@gmail.com> | 2012-07-31 16:48:03 +0000 |
| commit | 683826765c45d7acd19e915a73b8c1b46c40a4eb (patch) | |
| tree | 077234c58fc6f7e6d6e57d293ad4e2e384add00a /lib/CodeGen | |
| parent | 06bd8ca8c276d9bc20b192188224e1e5215666a0 (diff) | |
Don't generate ordered or unordered comparison operations if it is not legal to do so.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@161053 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'lib/CodeGen')
| -rw-r--r-- | lib/CodeGen/SelectionDAG/TargetLowering.cpp | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/lib/CodeGen/SelectionDAG/TargetLowering.cpp b/lib/CodeGen/SelectionDAG/TargetLowering.cpp index dff9b2c36a..172819369d 100644 --- a/lib/CodeGen/SelectionDAG/TargetLowering.cpp +++ b/lib/CodeGen/SelectionDAG/TargetLowering.cpp @@ -2464,7 +2464,8 @@ TargetLowering::SimplifySetCC(EVT VT, SDValue N0, SDValue N1, // Otherwise, we can't fold it. However, we can simplify it to SETUO/SETO // if it is not already. ISD::CondCode NewCond = UOF == 0 ? ISD::SETO : ISD::SETUO; - if (NewCond != Cond) + if (NewCond != Cond && (DCI.isBeforeLegalizeOps() + || getCondCodeAction(NewCond, N0.getValueType()) == Legal)) return DAG.getSetCC(dl, VT, N0, N1, NewCond); } |