diff options
Diffstat (limited to 'llvm/lib/CodeGen/SelectionDAG/DAGCombiner.cpp')
| -rw-r--r-- | llvm/lib/CodeGen/SelectionDAG/DAGCombiner.cpp | 15 |
1 files changed, 7 insertions, 8 deletions
diff --git a/llvm/lib/CodeGen/SelectionDAG/DAGCombiner.cpp b/llvm/lib/CodeGen/SelectionDAG/DAGCombiner.cpp index 43a1005d84a..4ff48732ef6 100644 --- a/llvm/lib/CodeGen/SelectionDAG/DAGCombiner.cpp +++ b/llvm/lib/CodeGen/SelectionDAG/DAGCombiner.cpp @@ -18934,14 +18934,13 @@ SDValue DAGCombiner::SimplifySelectCC(const SDLoc &DL, SDValue N0, SDValue N1, auto *N3C = dyn_cast<ConstantSDNode>(N3.getNode()); // Determine if the condition we're dealing with is constant. - SDValue SCC = SimplifySetCC(getSetCCResultType(CmpOpVT), N0, N1, CC, DL, - false); - if (SCC.getNode()) AddToWorklist(SCC.getNode()); - - if (auto *SCCC = dyn_cast_or_null<ConstantSDNode>(SCC.getNode())) { - // fold select_cc true, x, y -> x - // fold select_cc false, x, y -> y - return !SCCC->isNullValue() ? N2 : N3; + if (SDValue SCC = DAG.FoldSetCC(VT, N0, N1, CC, DL)) { + AddToWorklist(SCC.getNode()); + if (auto *SCCC = dyn_cast<ConstantSDNode>(SCC)) { + // fold select_cc true, x, y -> x + // fold select_cc false, x, y -> y + return !(SCCC->isNullValue()) ? N2 : N3; + } } if (SDValue V = |
