diff options
Diffstat (limited to 'llvm/lib/CodeGen/SelectionDAG/DAGCombiner.cpp')
| -rw-r--r-- | llvm/lib/CodeGen/SelectionDAG/DAGCombiner.cpp | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/llvm/lib/CodeGen/SelectionDAG/DAGCombiner.cpp b/llvm/lib/CodeGen/SelectionDAG/DAGCombiner.cpp index 171ee1e3488..e57c5a2b1ac 100644 --- a/llvm/lib/CodeGen/SelectionDAG/DAGCombiner.cpp +++ b/llvm/lib/CodeGen/SelectionDAG/DAGCombiner.cpp @@ -7538,7 +7538,8 @@ SDValue DAGCombiner::visitFREM(SDNode *N) { } SDValue DAGCombiner::visitFSQRT(SDNode *N) { - if (DAG.getTarget().Options.UnsafeFPMath) { + if (DAG.getTarget().Options.UnsafeFPMath && + !TLI.isFsqrtCheap()) { // Compute this as X * (1/sqrt(X)) = X * (X ** -0.5) if (SDValue RV = BuildRsqrtEstimate(N->getOperand(0))) { EVT VT = RV.getValueType(); |
