diff options
Diffstat (limited to 'lib/Analysis/ScalarEvolution.cpp')
| -rw-r--r-- | lib/Analysis/ScalarEvolution.cpp | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/lib/Analysis/ScalarEvolution.cpp b/lib/Analysis/ScalarEvolution.cpp index 0157238de1..d62eef7a81 100644 --- a/lib/Analysis/ScalarEvolution.cpp +++ b/lib/Analysis/ScalarEvolution.cpp @@ -4939,6 +4939,9 @@ bool ScalarEvolution::isKnownNonZero(const SCEV *S) { bool ScalarEvolution::isKnownPredicate(ICmpInst::Predicate Pred, const SCEV *LHS, const SCEV *RHS) { + // Canonicalize the inputs first. + (void)SimplifyICmpOperands(Pred, LHS, RHS); + // If LHS or RHS is an addrec, check to see if the condition is true in // every iteration of the loop. if (const SCEVAddRecExpr *AR = dyn_cast<SCEVAddRecExpr>(LHS)) |