mirror of
https://github.com/RPCS3/llvm-mirror.git
synced 2024-11-24 11:42:57 +01:00
90 lines
3.1 KiB
C++
90 lines
3.1 KiB
C++
//===- ProfileInfoLoader.h - Load & convert profile information -*- C++ -*-===//
|
|
//
|
|
// The LLVM Compiler Infrastructure
|
|
//
|
|
// This file was developed by the LLVM research group and is distributed under
|
|
// the University of Illinois Open Source License. See LICENSE.TXT for details.
|
|
//
|
|
//===----------------------------------------------------------------------===//
|
|
//
|
|
// The ProfileInfoLoader class is used to load and represent profiling
|
|
// information read in from the dump file. If conversions between formats are
|
|
// needed, it can also do this.
|
|
//
|
|
//===----------------------------------------------------------------------===//
|
|
|
|
#ifndef LLVM_ANALYSIS_PROFILEINFOLOADER_H
|
|
#define LLVM_ANALYSIS_PROFILEINFOLOADER_H
|
|
|
|
#include <vector>
|
|
#include <string>
|
|
#include <utility>
|
|
|
|
namespace llvm {
|
|
|
|
class Module;
|
|
class Function;
|
|
class BasicBlock;
|
|
|
|
class ProfileInfoLoader {
|
|
Module &M;
|
|
std::vector<std::string> CommandLines;
|
|
std::vector<unsigned> FunctionCounts;
|
|
std::vector<unsigned> BlockCounts;
|
|
std::vector<unsigned> EdgeCounts;
|
|
std::vector<unsigned> BBTrace;
|
|
public:
|
|
// ProfileInfoLoader ctor - Read the specified profiling data file, exiting
|
|
// the program if the file is invalid or broken.
|
|
ProfileInfoLoader(const char *ToolName, const std::string &Filename,
|
|
Module &M);
|
|
|
|
unsigned getNumExecutions() const { return CommandLines.size(); }
|
|
const std::string &getExecution(unsigned i) const { return CommandLines[i]; }
|
|
|
|
// getFunctionCounts - This method is used by consumers of function counting
|
|
// information. If we do not directly have function count information, we
|
|
// compute it from other, more refined, types of profile information.
|
|
//
|
|
void getFunctionCounts(std::vector<std::pair<Function*, unsigned> > &Counts);
|
|
|
|
// hasAccurateBlockCounts - Return true if we can synthesize accurate block
|
|
// frequency information from whatever we have.
|
|
//
|
|
bool hasAccurateBlockCounts() const {
|
|
return !BlockCounts.empty() || !EdgeCounts.empty();
|
|
}
|
|
|
|
// hasAccurateEdgeCounts - Return true if we can synthesize accurate edge
|
|
// frequency information from whatever we have.
|
|
//
|
|
bool hasAccurateEdgeCounts() const {
|
|
return !EdgeCounts.empty();
|
|
}
|
|
|
|
// getBlockCounts - This method is used by consumers of block counting
|
|
// information. If we do not directly have block count information, we
|
|
// compute it from other, more refined, types of profile information.
|
|
//
|
|
void getBlockCounts(std::vector<std::pair<BasicBlock*, unsigned> > &Counts);
|
|
|
|
// getEdgeCounts - This method is used by consumers of edge counting
|
|
// information. If we do not directly have edge count information, we compute
|
|
// it from other, more refined, types of profile information.
|
|
//
|
|
// Edges are represented as a pair, where the first element is the basic block
|
|
// and the second element is the successor number.
|
|
//
|
|
typedef std::pair<BasicBlock*, unsigned> Edge;
|
|
void getEdgeCounts(std::vector<std::pair<Edge, unsigned> > &Counts);
|
|
|
|
// getBBTrace - This method is used by consumers of basic-block trace
|
|
// information.
|
|
//
|
|
void getBBTrace(std::vector<BasicBlock *> &Trace);
|
|
};
|
|
|
|
} // End llvm namespace
|
|
|
|
#endif
|