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| author | Dan Gohman <gohman@apple.com> | 2010-04-24 01:38:36 +0000 |
|---|---|---|
| committer | Dan Gohman <gohman@apple.com> | 2010-04-24 01:38:36 +0000 |
| commit | d19bba69ad92311c64c8d55d69c74543933e451e (patch) | |
| tree | 92084b33ab4e231b40cfd6aaf74dce0905f0cd18 /lib/Analysis/ScalarEvolution.cpp | |
| parent | d4da5af271eee5d0961a57e17a71283180566204 (diff) | |
Use SimplifyICmpOperands in isKnownPredicate too.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@102233 91177308-0d34-0410-b5e6-96231b3b80d8
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)) |