diff options
Diffstat (limited to 'lib')
| -rw-r--r-- | lib/Analysis/ScalarEvolution.cpp | 7 |
1 files changed, 2 insertions, 5 deletions
diff --git a/lib/Analysis/ScalarEvolution.cpp b/lib/Analysis/ScalarEvolution.cpp index 827b1c0..876ebd4 100644 --- a/lib/Analysis/ScalarEvolution.cpp +++ b/lib/Analysis/ScalarEvolution.cpp @@ -2600,11 +2600,8 @@ SCEVHandle ScalarEvolutionsImpl::HowFarToNonZero(SCEV *V, const Loop *L) { // If the value is a constant, check to see if it is known to be non-zero // already. If so, the backedge will execute zero times. if (SCEVConstant *C = dyn_cast<SCEVConstant>(V)) { - Constant *Zero = Constant::getNullValue(C->getValue()->getType()); - Constant *NonZero = - ConstantExpr::getICmp(ICmpInst::ICMP_NE, C->getValue(), Zero); - if (NonZero == ConstantInt::getTrue()) - return getSCEV(Zero); + if (!C->getValue()->isNullValue()) + return SE.getIntegerSCEV(0, C->getType()); return UnknownValue; // Otherwise it will loop infinitely. } |