LCOV - code coverage report
Current view: top level - include/llvm/Transforms - PGOInstrumentation.h (source / functions) Hit Total Coverage
Test: llvm-toolchain.info Lines: 1 1 100.0 %
Date: 2018-02-18 03:11:45 Functions: 0 0 -
Legend: Lines: hit not hit

          Line data    Source code
       1             : //===- Transforms/PGOInstrumentation.h - PGO gen/use passes -----*- C++ -*-===//
       2             : //
       3             : //                     The LLVM Compiler Infrastructure
       4             : //
       5             : // This file is distributed under the University of Illinois Open Source
       6             : // License. See LICENSE.TXT for details.
       7             : //
       8             : //===----------------------------------------------------------------------===//
       9             : //
      10             : /// \file
      11             : /// This file provides the interface for IR based instrumentation passes (
      12             : /// (profile-gen, and profile-use).
      13             : //
      14             : //===----------------------------------------------------------------------===//
      15             : 
      16             : #ifndef LLVM_TRANSFORMS_PGOINSTRUMENTATION_H
      17             : #define LLVM_TRANSFORMS_PGOINSTRUMENTATION_H
      18             : 
      19             : #include "llvm/ADT/ArrayRef.h"
      20             : #include "llvm/IR/PassManager.h"
      21             : #include <cstdint>
      22             : #include <string>
      23             : 
      24             : namespace llvm {
      25             : 
      26             : class Function;
      27             : class Instruction;
      28             : class Module;
      29             : 
      30             : /// The instrumentation (profile-instr-gen) pass for IR based PGO.
      31             : class PGOInstrumentationGen : public PassInfoMixin<PGOInstrumentationGen> {
      32             : public:
      33             :   PreservedAnalyses run(Module &M, ModuleAnalysisManager &AM);
      34             : };
      35             : 
      36             : /// The profile annotation (profile-instr-use) pass for IR based PGO.
      37             : class PGOInstrumentationUse : public PassInfoMixin<PGOInstrumentationUse> {
      38             : public:
      39             :   PGOInstrumentationUse(std::string Filename = "");
      40             : 
      41             :   PreservedAnalyses run(Module &M, ModuleAnalysisManager &AM);
      42             : 
      43             : private:
      44             :   std::string ProfileFileName;
      45             : };
      46             : 
      47             : /// The indirect function call promotion pass.
      48             : class PGOIndirectCallPromotion : public PassInfoMixin<PGOIndirectCallPromotion> {
      49             : public:
      50             :   PGOIndirectCallPromotion(bool IsInLTO = false, bool SamplePGO = false)
      51          31 :       : InLTO(IsInLTO), SamplePGO(SamplePGO) {}
      52             : 
      53             :   PreservedAnalyses run(Module &M, ModuleAnalysisManager &AM);
      54             : 
      55             : private:
      56             :   bool InLTO;
      57             :   bool SamplePGO;
      58             : };
      59             : 
      60             : /// The profile size based optimization pass for memory intrinsics.
      61             : class PGOMemOPSizeOpt : public PassInfoMixin<PGOMemOPSizeOpt> {
      62             : public:
      63             :   PGOMemOPSizeOpt() = default;
      64             : 
      65             :   PreservedAnalyses run(Function &F, FunctionAnalysisManager &AM);
      66             : };
      67             : 
      68             : void setProfMetadata(Module *M, Instruction *TI, ArrayRef<uint64_t> EdgeCounts,
      69             :                      uint64_t MaxCount);
      70             : 
      71             : void setIrrLoopHeaderMetadata(Module *M, Instruction *TI, uint64_t Count);
      72             : 
      73             : } // end namespace llvm
      74             : 
      75             : #endif // LLVM_TRANSFORMS_PGOINSTRUMENTATION_H

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