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-rw-r--r--llvm/lib/Transforms/Scalar/SimpleLoopUnswitch.cpp5
1 files changed, 3 insertions, 2 deletions
diff --git a/llvm/lib/Transforms/Scalar/SimpleLoopUnswitch.cpp b/llvm/lib/Transforms/Scalar/SimpleLoopUnswitch.cpp
index 74e6adf..35494e8 100644
--- a/llvm/lib/Transforms/Scalar/SimpleLoopUnswitch.cpp
+++ b/llvm/lib/Transforms/Scalar/SimpleLoopUnswitch.cpp
@@ -63,6 +63,7 @@
#include <cassert>
#include <iterator>
#include <numeric>
+#include <optional>
#include <utility>
#define DEBUG_TYPE "simple-loop-unswitch"
@@ -2988,7 +2989,7 @@ static NonTrivialUnswitchCandidate findBestNonTrivialUnswitchCandidate(
return (LoopCost - Cost) * (SuccessorsCount - 1);
};
- Optional<NonTrivialUnswitchCandidate> Best;
+ std::optional<NonTrivialUnswitchCandidate> Best;
for (auto &Candidate : UnswitchCandidates) {
Instruction &TI = *Candidate.TI;
ArrayRef<Value *> Invariants = Candidate.Invariants;
@@ -3210,7 +3211,7 @@ PreservedAnalyses SimpleLoopUnswitchPass::run(Loop &L, LoopAnalysisManager &AM,
U.markLoopAsDeleted(L, Name);
};
- Optional<MemorySSAUpdater> MSSAU;
+ std::optional<MemorySSAUpdater> MSSAU;
if (AR.MSSA) {
MSSAU = MemorySSAUpdater(AR.MSSA);
if (VerifyMemorySSA)