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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 | c8597ca6985f8de7ab4398f60b0be1e1bea3a5b9 (patch) | |
| tree | 0fe9aa9aa5e5fc754042023b9402649492ff28db | |
| parent | dabb8291e840053a3d1a2a550d157e9c5c3c38c9 (diff) | |
add a case missing from the dag combiner that exposed the failure on
2005-10-21-longlonggtu.ll.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@23875 91177308-0d34-0410-b5e6-96231b3b80d8
| -rw-r--r-- | lib/CodeGen/SelectionDAG/DAGCombiner.cpp | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/lib/CodeGen/SelectionDAG/DAGCombiner.cpp b/lib/CodeGen/SelectionDAG/DAGCombiner.cpp index b523bce339..3efc25aebd 100644 --- a/lib/CodeGen/SelectionDAG/DAGCombiner.cpp +++ b/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) |