diff options
Diffstat (limited to 'llvm/lib/Analysis/BasicAliasAnalysis.cpp')
| -rw-r--r-- | llvm/lib/Analysis/BasicAliasAnalysis.cpp | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/llvm/lib/Analysis/BasicAliasAnalysis.cpp b/llvm/lib/Analysis/BasicAliasAnalysis.cpp index 2b552bf..6aad258 100644 --- a/llvm/lib/Analysis/BasicAliasAnalysis.cpp +++ b/llvm/lib/Analysis/BasicAliasAnalysis.cpp @@ -1360,6 +1360,10 @@ AliasResult BasicAAResult::aliasPHI(const PHINode *PN, LocationSize PNSize, SmallPtrSet<Value *, 4> UniqueSrc; Value *OnePhi = nullptr; for (Value *PV1 : PN->incoming_values()) { + // Skip the phi itself being the incoming value. + if (PV1 == PN) + continue; + if (isa<PHINode>(PV1)) { if (OnePhi && OnePhi != PV1) { // To control potential compile time explosion, we choose to be |