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Diffstat (limited to 'llvm/lib/Transforms/Utils/BypassSlowDivision.cpp')
-rw-r--r--llvm/lib/Transforms/Utils/BypassSlowDivision.cpp8
1 files changed, 4 insertions, 4 deletions
diff --git a/llvm/lib/Transforms/Utils/BypassSlowDivision.cpp b/llvm/lib/Transforms/Utils/BypassSlowDivision.cpp
index bd7a7f1..5a9dd4a 100644
--- a/llvm/lib/Transforms/Utils/BypassSlowDivision.cpp
+++ b/llvm/lib/Transforms/Utils/BypassSlowDivision.cpp
@@ -357,12 +357,12 @@ Optional<QuotRemPair> FastDivInsertionTask::insertFastDivAndRem() {
VisitedSetTy SetL;
ValueRange DividendRange = getValueRange(Dividend, SetL);
if (DividendRange == VALRNG_LIKELY_LONG)
- return None;
+ return std::nullopt;
VisitedSetTy SetR;
ValueRange DivisorRange = getValueRange(Divisor, SetR);
if (DivisorRange == VALRNG_LIKELY_LONG)
- return None;
+ return std::nullopt;
bool DividendShort = (DividendRange == VALRNG_KNOWN_SHORT);
bool DivisorShort = (DivisorRange == VALRNG_KNOWN_SHORT);
@@ -387,7 +387,7 @@ Optional<QuotRemPair> FastDivInsertionTask::insertFastDivAndRem() {
// If the divisor is not a constant, DAGCombiner will convert it to a
// multiplication by a magic constant. It isn't clear if it is worth
// introducing control flow to get a narrower multiply.
- return None;
+ return std::nullopt;
}
// After Constant Hoisting pass, long constants may be represented as
@@ -397,7 +397,7 @@ Optional<QuotRemPair> FastDivInsertionTask::insertFastDivAndRem() {
if (auto *BCI = dyn_cast<BitCastInst>(Divisor))
if (BCI->getParent() == SlowDivOrRem->getParent() &&
isa<ConstantInt>(BCI->getOperand(0)))
- return None;
+ return std::nullopt;
IRBuilder<> Builder(MainBB, MainBB->end());
Builder.SetCurrentDebugLocation(SlowDivOrRem->getDebugLoc());