diff options
Diffstat (limited to 'llvm/lib/Transforms/Utils/LoopUtils.cpp')
| -rw-r--r-- | llvm/lib/Transforms/Utils/LoopUtils.cpp | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/llvm/lib/Transforms/Utils/LoopUtils.cpp b/llvm/lib/Transforms/Utils/LoopUtils.cpp index c18887f697e..a2964c38a87 100644 --- a/llvm/lib/Transforms/Utils/LoopUtils.cpp +++ b/llvm/lib/Transforms/Utils/LoopUtils.cpp @@ -541,7 +541,7 @@ bool RecurrenceDescriptor::isFirstOrderRecurrence(PHINode *Phi, Loop *TheLoop, // Get the previous value. The previous value comes from the latch edge while // the initial value comes form the preheader edge. auto *Previous = dyn_cast<Instruction>(Phi->getIncomingValueForBlock(Latch)); - if (!Previous || !TheLoop->contains(Previous)) + if (!Previous || !TheLoop->contains(Previous) || isa<PHINode>(Previous)) return false; // Ensure every user of the phi node is dominated by the previous value. The |
