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64 lines
2.1 KiB
C++
64 lines
2.1 KiB
C++
//===- ProfileInfo.h - Represents profile information -----------*- C++ -*-===//
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//
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// The LLVM Compiler Infrastructure
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//
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// This file was developed by the LLVM research group and is distributed under
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// the University of Illinois Open Source License. See LICENSE.TXT for details.
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//
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//===----------------------------------------------------------------------===//
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//
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// The ProfileInfo class is used to represent profiling information read in from
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// the dump file.
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//
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//===----------------------------------------------------------------------===//
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#ifndef PROFILEINFO_H
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#define PROFILEINFO_H
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#include <vector>
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#include <string>
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#include <utility>
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namespace llvm {
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class Module;
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class Function;
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class BasicBlock;
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class ProfileInfo {
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Module &M;
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std::vector<std::string> CommandLines;
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std::vector<unsigned> FunctionCounts;
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std::vector<unsigned> BlockCounts;
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public:
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// ProfileInfo ctor - Read the specified profiling data file, exiting the
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// program if the file is invalid or broken.
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ProfileInfo(const char *ToolName, const std::string &Filename, Module &M);
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unsigned getNumExecutions() const { return CommandLines.size(); }
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const std::string &getExecution(unsigned i) const { return CommandLines[i]; }
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// getFunctionCounts - This method is used by consumers of function counting
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// information. If we do not directly have function count information, we
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// compute it from other, more refined, types of profile information.
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//
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void getFunctionCounts(std::vector<std::pair<Function*, unsigned> > &Counts);
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// hasAccurateBlockCounts - Return true if we can synthesize accurate block
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// frequency information from whatever we have.
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//
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bool hasAccurateBlockCounts() const {
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return !BlockCounts.empty();
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}
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// getBlockCounts - This method is used by consumers of block counting
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// information. If we do not directly have block count information, we
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// compute it from other, more refined, types of profile information.
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//
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void getBlockCounts(std::vector<std::pair<BasicBlock*, unsigned> > &Counts);
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};
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} // End llvm namespace
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#endif
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