diff options
Diffstat (limited to 'lib/Analysis/ScalarEvolution.cpp')
| -rw-r--r-- | lib/Analysis/ScalarEvolution.cpp | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/lib/Analysis/ScalarEvolution.cpp b/lib/Analysis/ScalarEvolution.cpp index 7f1cac0..30cf950 100644 --- a/lib/Analysis/ScalarEvolution.cpp +++ b/lib/Analysis/ScalarEvolution.cpp @@ -2145,13 +2145,14 @@ static PHINode *getConstantEvolvingPHI(Value *V, const Loop *L) { Instruction *I = dyn_cast<Instruction>(V); if (I == 0 || !L->contains(I->getParent())) return 0; - if (PHINode *PN = dyn_cast<PHINode>(I)) + if (PHINode *PN = dyn_cast<PHINode>(I)) { if (L->getHeader() == I->getParent()) return PN; else // We don't currently keep track of the control flow needed to evaluate // PHIs, so we cannot handle PHIs inside of loops. return 0; + } // If we won't be able to constant fold this expression even if the operands // are constants, return early. |