diff options
Diffstat (limited to 'lib/Analysis/IVDescriptors.cpp')
| -rw-r--r-- | lib/Analysis/IVDescriptors.cpp | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/lib/Analysis/IVDescriptors.cpp b/lib/Analysis/IVDescriptors.cpp index ce285f82f720..6fb600114bc6 100644 --- a/lib/Analysis/IVDescriptors.cpp +++ b/lib/Analysis/IVDescriptors.cpp @@ -300,7 +300,8 @@ bool RecurrenceDescriptor::AddReductionVar(PHINode *Phi, RecurrenceKind Kind, ReduxDesc = isRecurrenceInstr(Cur, Kind, ReduxDesc, HasFunNoNaNAttr); if (!ReduxDesc.isRecurrence()) return false; - if (isa<FPMathOperator>(ReduxDesc.getPatternInst())) + // FIXME: FMF is allowed on phi, but propagation is not handled correctly. + if (isa<FPMathOperator>(ReduxDesc.getPatternInst()) && !IsAPhi) FMF &= ReduxDesc.getPatternInst()->getFastMathFlags(); } |