diff options
Diffstat (limited to 'llvm/lib/CodeGen/SelectionDAG')
| -rw-r--r-- | llvm/lib/CodeGen/SelectionDAG/DAGCombiner.cpp | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/llvm/lib/CodeGen/SelectionDAG/DAGCombiner.cpp b/llvm/lib/CodeGen/SelectionDAG/DAGCombiner.cpp index af614937de3..647ff6b6b20 100644 --- a/llvm/lib/CodeGen/SelectionDAG/DAGCombiner.cpp +++ b/llvm/lib/CodeGen/SelectionDAG/DAGCombiner.cpp @@ -5770,6 +5770,10 @@ SDValue DAGCombiner::visitFMA(SDNode *N) { if (N1CFP && N1CFP->isExactlyValue(1.0)) return DAG.getNode(ISD::FADD, N->getDebugLoc(), VT, N0, N2); + // Canonicalize (fma c, x, y) -> (fma x, c, y) + if (!N0CFP && N1CFP) + return DAG.getNode(ISD::FMA, N->getDebugLoc(), VT, N1, N0, N2); + return SDValue(); } |
