xref: /freebsd/contrib/llvm-project/llvm/include/llvm/Transforms/Instrumentation/InstrProfiling.h (revision 700637cbb5e582861067a11aaca4d053546871d2)
1 //===- Transforms/Instrumentation/InstrProfiling.h --------------*- C++ -*-===//
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 /// \file
9 /// This file provides the interface for LLVM's PGO Instrumentation lowering
10 /// pass.
11 //===----------------------------------------------------------------------===//
12 
13 #ifndef LLVM_TRANSFORMS_INSTRUMENTATION_INSTRPROFILING_H
14 #define LLVM_TRANSFORMS_INSTRUMENTATION_INSTRPROFILING_H
15 
16 #include "llvm/IR/PassManager.h"
17 #include "llvm/Support/Compiler.h"
18 #include "llvm/Transforms/Utils/Instrumentation.h"
19 
20 namespace llvm {
21 
22 class TargetLibraryInfo;
23 /// Instrumentation based profiling lowering pass. This pass lowers
24 /// the profile instrumented code generated by FE or the IR based
25 /// instrumentation pass.
26 class InstrProfilingLoweringPass
27     : public PassInfoMixin<InstrProfilingLoweringPass> {
28   const InstrProfOptions Options = {};
29   // Is this lowering for the context-sensitive instrumentation.
30   const bool IsCS = false;
31 
32 public:
33   InstrProfilingLoweringPass() = default;
34   InstrProfilingLoweringPass(const InstrProfOptions &Options, bool IsCS = false)
Options(Options)35       : Options(Options), IsCS(IsCS) {}
36 
37   LLVM_ABI PreservedAnalyses run(Module &M, ModuleAnalysisManager &AM);
38 };
39 } // end namespace llvm
40 
41 #endif // LLVM_TRANSFORMS_INSTRUMENTATION_INSTRPROFILING_H
42