Optimize code placement in loop to eliminate unconditional branches or move unconditi...

[oota-llvm.git] / lib / Analysis / ProfileInfoLoaderPass.cpp

diff --git a/lib/Analysis/ProfileInfoLoaderPass.cpp b/lib/Analysis/ProfileInfoLoaderPass.cpp
index bb4cbbee3dec9cd2fd15b54a2c95f05745661263..0a8a87bd0f97aaf5e64f1f8f42bb7e5dd2527d6a 100644 (file)
--- a/lib/Analysis/ProfileInfoLoaderPass.cpp
+++ b/lib/Analysis/ProfileInfoLoaderPass.cpp
@@ -1,10 +1,10 @@
 //===- 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 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
@@ -19,21 +19,22 @@
 #include "llvm/Analysis/ProfileInfo.h"
 #include "llvm/Analysis/ProfileInfoLoader.h"
 #include "llvm/Support/CommandLine.h"
-#include <iostream>
-
+#include "llvm/Support/Compiler.h"
+#include "llvm/Support/Streams.h"
 using namespace llvm;
 
-namespace {
-  cl::opt<std::string>
-  ProfileInfoFilename("profile-info-file", cl::init("llvmprof.out"),
-                      cl::value_desc("filename"),
-                      cl::desc("Profile file loaded by -profile-loader"));
+static cl::opt<std::string>
+ProfileInfoFilename("profile-info-file", cl::init("llvmprof.out"),
+                    cl::value_desc("filename"),
+                    cl::desc("Profile file loaded by -profile-loader"));
 
-  class LoaderPass : public ModulePass, public ProfileInfo {
+namespace {
+  class VISIBILITY_HIDDEN LoaderPass : public ModulePass, public ProfileInfo {
     std::string Filename;
   public:
-    LoaderPass(const std::string &filename = "")
-      : Filename(filename) {
+    static char ID; // Class identification, replacement for typeinfo
+    explicit LoaderPass(const std::string &filename = "")
+      : ModulePass(&ID), Filename(filename) {
       if (filename.empty()) Filename = ProfileInfoFilename;
     }
 
@@ -48,14 +49,14 @@ namespace {
     /// run - Load the profile information from the specified file.
     virtual bool runOnModule(Module &M);
   };
- 
-  RegisterPass<LoaderPass>
-  X("profile-loader", "Load profile information from llvmprof.out",
-    PassInfo::Analysis|PassInfo::Optimization);
-
-  RegisterAnalysisGroup<ProfileInfo, LoaderPass> Y;
 }  // End of anonymous namespace
 
+char LoaderPass::ID = 0;
+static RegisterPass<LoaderPass>
+X("profile-loader", "Load profile information from llvmprof.out", false, true);
+
+static RegisterAnalysisGroup<ProfileInfo> Y(X);
+
 ModulePass *llvm::createProfileLoaderPass() { return new LoaderPass(); }
 
 /// createProfileLoaderPass - This function returns a Pass that loads the
@@ -69,7 +70,7 @@ bool LoaderPass::runOnModule(Module &M) {
   ProfileInfoLoader PIL("profile-loader", Filename, M);
   EdgeCounts.clear();
   bool PrintedWarning = false;
-  
+
   std::vector<std::pair<ProfileInfoLoader::Edge, unsigned> > ECs;
   PIL.getEdgeCounts(ECs);
   for (unsigned i = 0, e = ECs.size(); i != e; ++i) {
@@ -78,8 +79,8 @@ bool LoaderPass::runOnModule(Module &M) {
     TerminatorInst *TI = BB->getTerminator();
     if (SuccNum >= TI->getNumSuccessors()) {
       if (!PrintedWarning) {
-        std::cerr << "WARNING: profile information is inconsistent with "
-                  << "the current program!\n";
+        cerr << "WARNING: profile information is inconsistent with "
+             << "the current program!\n";
         PrintedWarning = true;
       }
     } else {