diff options
Diffstat (limited to 'llvm/lib/Transforms/Utils/CodeMoverUtils.cpp')
| -rw-r--r-- | llvm/lib/Transforms/Utils/CodeMoverUtils.cpp | 10 |
1 files changed, 5 insertions, 5 deletions
diff --git a/llvm/lib/Transforms/Utils/CodeMoverUtils.cpp b/llvm/lib/Transforms/Utils/CodeMoverUtils.cpp index 768e216..53d09ad 100644 --- a/llvm/lib/Transforms/Utils/CodeMoverUtils.cpp +++ b/llvm/lib/Transforms/Utils/CodeMoverUtils.cpp @@ -129,7 +129,7 @@ const Optional<ControlConditions> ControlConditions::collectControlConditions( // Limitation: can only handle branch instruction currently. const BranchInst *BI = dyn_cast<BranchInst>(IDom->getTerminator()); if (!BI) - return None; + return std::nullopt; bool Inserted = false; if (PDT.dominates(CurBlock, IDom)) { @@ -149,13 +149,13 @@ const Optional<ControlConditions> ControlConditions::collectControlConditions( Inserted = Conditions.addControlCondition( ControlCondition(BI->getCondition(), false)); } else - return None; + return std::nullopt; if (Inserted) ++NumConditions; if (MaxLookup != 0 && NumConditions > MaxLookup) - return None; + return std::nullopt; CurBlock = IDom; } while (CurBlock != &Dominator); @@ -252,13 +252,13 @@ bool llvm::isControlFlowEquivalent(const BasicBlock &BB0, const BasicBlock &BB1, const Optional<ControlConditions> BB0Conditions = ControlConditions::collectControlConditions(BB0, *CommonDominator, DT, PDT); - if (BB0Conditions == None) + if (BB0Conditions == std::nullopt) return false; const Optional<ControlConditions> BB1Conditions = ControlConditions::collectControlConditions(BB1, *CommonDominator, DT, PDT); - if (BB1Conditions == None) + if (BB1Conditions == std::nullopt) return false; return BB0Conditions->isEquivalent(*BB1Conditions); |