xref: /freebsd/contrib/llvm-project/llvm/include/llvm/Transforms/Utils/LowerSwitch.h (revision e8d8bef961a50d4dc22501cde4fb9fb0be1b2532)
1 //===- LowerSwitch.h - Eliminate Switch instructions ----------------------===//
2 //
3 // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
4 // See https://llvm.org/LICENSE.txt for license information.
5 // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
6 //
7 //===----------------------------------------------------------------------===//
8 //
9 // The LowerSwitch transformation rewrites switch instructions with a sequence
10 // of branches, which allows targets to get away with not implementing the
11 // switch instruction until it is convenient.
12 //
13 //===----------------------------------------------------------------------===//
14 
15 #ifndef LLVM_TRANSFORMS_UTILS_LOWERSWITCH_H
16 #define LLVM_TRANSFORMS_UTILS_LOWERSWITCH_H
17 
18 #include "llvm/IR/PassManager.h"
19 
20 namespace llvm {
21 struct LowerSwitchPass : public PassInfoMixin<LowerSwitchPass> {
22   PreservedAnalyses run(Function &F, FunctionAnalysisManager &AM);
23 };
24 } // namespace llvm
25 
26 #endif // LLVM_TRANSFORMS_UTILS_LOWERSWITCH_H
27