diff options
Diffstat (limited to 'llvm/lib/Transforms/Scalar/Float2Int.cpp')
| -rw-r--r-- | llvm/lib/Transforms/Scalar/Float2Int.cpp | 8 |
1 files changed, 4 insertions, 4 deletions
diff --git a/llvm/lib/Transforms/Scalar/Float2Int.cpp b/llvm/lib/Transforms/Scalar/Float2Int.cpp index 56f2a3b3004d..f66d1b914b0b 100644 --- a/llvm/lib/Transforms/Scalar/Float2Int.cpp +++ b/llvm/lib/Transforms/Scalar/Float2Int.cpp @@ -235,15 +235,15 @@ void Float2IntPass::walkBackwards() { } // Calculate result range from operand ranges. -// Return None if the range cannot be calculated yet. -Optional<ConstantRange> Float2IntPass::calcRange(Instruction *I) { +// Return std::nullopt if the range cannot be calculated yet. +std::optional<ConstantRange> Float2IntPass::calcRange(Instruction *I) { SmallVector<ConstantRange, 4> OpRanges; for (Value *O : I->operands()) { if (Instruction *OI = dyn_cast<Instruction>(O)) { auto OpIt = SeenInsts.find(OI); assert(OpIt != SeenInsts.end() && "def not seen before use!"); if (OpIt->second == unknownRange()) - return None; // Wait until operand range has been calculated. + return std::nullopt; // Wait until operand range has been calculated. OpRanges.push_back(OpIt->second); } else if (ConstantFP *CF = dyn_cast<ConstantFP>(O)) { // Work out if the floating point number can be losslessly represented @@ -335,7 +335,7 @@ void Float2IntPass::walkForwards() { Instruction *I = Worklist.back(); Worklist.pop_back(); - if (Optional<ConstantRange> Range = calcRange(I)) + if (std::optional<ConstantRange> Range = calcRange(I)) seen(I, *Range); else Worklist.push_front(I); // Reprocess later. |