[llvm-commits] CVS: llvm/include/llvm/Analysis/ProfileInfoLoader.h

[Chris Lattner]

Changes in directory llvm/include/llvm/Analysis:

ProfileInfoLoader.h added (r1.1)

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Log message:

Factor this code out of llvm-prof


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Diffs of the changes:  (+65 -0)

Index: llvm/include/llvm/Analysis/ProfileInfoLoader.h
diff -c /dev/null llvm/include/llvm/Analysis/ProfileInfoLoader.h:1.1
*** /dev/null	Tue Feb 10 23:54:19 2004
--- llvm/include/llvm/Analysis/ProfileInfoLoader.h	Tue Feb 10 23:54:08 2004
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*** 0 ****
--- 1,65 ----
+ //===- 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;
+ 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();
+   }
+ 
+   // 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);
+ };
+ 
+ } // End llvm namespace
+ 
+ #endif