[llvm-commits] CVS: llvm/lib/Analysis/ProfileInfoLoaderPass.cpp

[Chris Lattner]

Changes in directory llvm/lib/Analysis:

ProfileInfoLoaderPass.cpp added (r1.1)

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Log message:

Add skeleton profileinfoloader pass.  This will be enhanced to actually LOAD
a profile tommorow.  :)


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Diffs of the changes:  (+58 -0)

Index: llvm/lib/Analysis/ProfileInfoLoaderPass.cpp
diff -c /dev/null llvm/lib/Analysis/ProfileInfoLoaderPass.cpp:1.1
*** /dev/null	Wed Feb 11 00:10:45 2004
--- llvm/lib/Analysis/ProfileInfoLoaderPass.cpp	Wed Feb 11 00:10:05 2004
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*** 0 ****
--- 1,58 ----
+ //===- ProfileInfoLoaderPass.cpp - LLVM Pass to load profile info ---------===//
+ // 
+ //                     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.
+ // 
+ //===----------------------------------------------------------------------===//
+ //
+ // This file implements a concrete implementation of profiling information that
+ // loads the information from a profile dump file.
+ //
+ //===----------------------------------------------------------------------===//
+ 
+ #include "llvm/Pass.h"
+ #include "llvm/Analysis/ProfileInfo.h"
+ #include "llvm/Analysis/ProfileInfoLoader.h"
+ using namespace llvm;
+ 
+ namespace {
+   class LoaderPass : public Pass, public ProfileInfo {
+     std::string Filename;
+   public:
+     LoaderPass(const std::string &filename = "llvmprof.out")
+       : Filename(filename) {}
+ 
+     virtual void getAnalysisUsage(AnalysisUsage &AU) const {
+       AU.setPreservesAll();
+     }
+ 
+     virtual const char *getPassName() const {
+       return "Profiling information loader";
+     }
+ 
+     /// run - Load the profile information from the specified file.
+     virtual bool run(Module &M);
+ 
+     unsigned getExecutionCount(BasicBlock *BB) { return 0; }
+   };
+  
+   RegisterOpt<LoaderPass>
+   X("profile-loader", "Load profile information from llvmprof.out");
+ 
+   RegisterAnalysisGroup<ProfileInfo, LoaderPass> Y;
+ }  // End of anonymous namespace
+ 
+ 
+ /// createProfileLoaderPass - This function returns a Pass that loads the
+ /// profiling information for the module from the specified filename, making it
+ /// available to the optimizers.
+ Pass *llvm::createProfileLoaderPass(const std::string &Filename) {
+   return new LoaderPass(Filename);
+ }
+ 
+ bool LoaderPass::run(Module &M) {
+ 
+   return false;
+ }