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[SCEV] Simplify BackedgeTakenInfo::getMax; NFC

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llvm-svn: 282372
This commit is contained in:
Sanjoy Das 2016-09-26 01:10:22 +00:00
parent 16ec3916da
commit 2025c6e5ef
1 changed files with 7 additions and 7 deletions
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14
lib/Analysis/ScalarEvolution.cpp
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@ -5640,14 +5640,14 @@ ScalarEvolution::BackedgeTakenInfo::getExact(BasicBlock *ExitingBlock,
/// getMax - Get the max backedge taken count for the loop.
const SCEV *
ScalarEvolution::BackedgeTakenInfo::getMax(ScalarEvolution *SE) const {
// TODO: use any_of
for (auto &ENT : ExitNotTaken)
if (!ENT.hasAlwaysTruePredicate())
return SE->getCouldNotCompute();
auto PredicateNotAlwaysTrue = [](const ExitNotTakenInfo &ENT) {
return !ENT.hasAlwaysTruePredicate();
};
if (auto *Max = getMax())
return Max;
return SE->getCouldNotCompute();
if (any_of(ExitNotTaken, PredicateNotAlwaysTrue) || !getMax())
return SE->getCouldNotCompute();
return getMax();
}
bool ScalarEvolution::BackedgeTakenInfo::hasOperand(const SCEV *S,