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| author | Chris Lattner <sabre@nondot.org> | 2005-10-21 21:23:25 +0000 |
|---|---|---|
| committer | Chris Lattner <sabre@nondot.org> | 2005-10-21 21:23:25 +0000 |
| commit | 75ea5b10bf7579e33c23a965a261e84717b4ed81 (patch) | |
| tree | 0f45cbd808c2ae8f606e03bad07b77b02a9ec43f /llvm/lib/CodeGen/SelectionDAG/DAGCombiner.cpp | |
| parent | e296949fbef682f0676f972332e3150eb4ee7ed4 (diff) | |
| download | bcm5719-llvm-75ea5b10bf7579e33c23a965a261e84717b4ed81.tar.gz bcm5719-llvm-75ea5b10bf7579e33c23a965a261e84717b4ed81.zip | |
add a case missing from the dag combiner that exposed the failure on
2005-10-21-longlonggtu.ll.
llvm-svn: 23875
Diffstat (limited to 'llvm/lib/CodeGen/SelectionDAG/DAGCombiner.cpp')
| -rw-r--r-- | llvm/lib/CodeGen/SelectionDAG/DAGCombiner.cpp | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/llvm/lib/CodeGen/SelectionDAG/DAGCombiner.cpp b/llvm/lib/CodeGen/SelectionDAG/DAGCombiner.cpp index b523bce339a..3efc25aebdc 100644 --- a/llvm/lib/CodeGen/SelectionDAG/DAGCombiner.cpp +++ b/llvm/lib/CodeGen/SelectionDAG/DAGCombiner.cpp @@ -2370,6 +2370,9 @@ SDOperand DAGCombiner::SimplifySetCC(MVT::ValueType VT, SDOperand N0, // Canonicalize setgt X, Min --> setne X, Min if ((Cond == ISD::SETGT || Cond == ISD::SETUGT) && C1 == MinVal) return DAG.getSetCC(VT, N0, N1, ISD::SETNE); + // Canonicalize setlt X, Max --> setne X, Max + if ((Cond == ISD::SETLT || Cond == ISD::SETULT) && C1 == MaxVal) + return DAG.getSetCC(VT, N0, N1, ISD::SETNE); // If we have setult X, 1, turn it into seteq X, 0 if ((Cond == ISD::SETLT || Cond == ISD::SETULT) && C1 == MinVal+1) |
