Remove "localize global" optimization

[oota-llvm.git] / tools / llvm-prof / llvm-prof.cpp

diff --git a/tools/llvm-prof/llvm-prof.cpp b/tools/llvm-prof/llvm-prof.cpp
index 3351bd273506093548096ebb5c37f57c158c396c..6c340b89c65c2bc49f921ccffee9a2496d3abe9b 100644 (file)
--- a/tools/llvm-prof/llvm-prof.cpp
+++ b/tools/llvm-prof/llvm-prof.cpp
@@ -13,23 +13,24 @@
 //
 //===----------------------------------------------------------------------===//
 
-#include "llvm/InstrTypes.h"
-#include "llvm/LLVMContext.h"
-#include "llvm/Module.h"
-#include "llvm/PassManager.h"
-#include "llvm/Assembly/AssemblyAnnotationWriter.h"
+#include "llvm/IR/LLVMContext.h"
+#include "llvm/Analysis/Passes.h"
 #include "llvm/Analysis/ProfileInfo.h"
 #include "llvm/Analysis/ProfileInfoLoader.h"
-#include "llvm/Analysis/Passes.h"
+#include "llvm/Assembly/AssemblyAnnotationWriter.h"
 #include "llvm/Bitcode/ReaderWriter.h"
+#include "llvm/IR/InstrTypes.h"
+#include "llvm/IR/Module.h"
+#include "llvm/PassManager.h"
 #include "llvm/Support/CommandLine.h"
+#include "llvm/Support/Format.h"
 #include "llvm/Support/FormattedStream.h"
 #include "llvm/Support/ManagedStatic.h"
 #include "llvm/Support/MemoryBuffer.h"
 #include "llvm/Support/PrettyStackTrace.h"
-#include "llvm/Support/raw_ostream.h"
-#include "llvm/Support/Format.h"
 #include "llvm/Support/Signals.h"
+#include "llvm/Support/raw_ostream.h"
+#include "llvm/Support/system_error.h"
 #include <algorithm>
 #include <iomanip>
 #include <map>
@@ -130,7 +131,7 @@ namespace {
     ProfileInfoLoader &PIL;
   public:
     static char ID; // Class identification, replacement for typeinfo.
-    explicit ProfileInfoPrinterPass(ProfileInfoLoader &_PIL) 
+    explicit ProfileInfoPrinterPass(ProfileInfoLoader &_PIL)
       : ModulePass(ID), PIL(_PIL) {}
 
     virtual void getAnalysisUsage(AnalysisUsage &AU) const {
@@ -146,9 +147,6 @@ char ProfileInfoPrinterPass::ID = 0;
 
 bool ProfileInfoPrinterPass::runOnModule(Module &M) {
   ProfileInfo &PI = getAnalysis<ProfileInfo>();
-  std::map<const Function  *, unsigned> FuncFreqs;
-  std::map<const BasicBlock*, unsigned> BlockFreqs;
-  std::map<ProfileInfo::Edge, unsigned> EdgeFreqs;
 
   // Output a report. Eventually, there will be multiple reports selectable on
   // the command line, for now, just keep things simple.
@@ -160,7 +158,7 @@ bool ProfileInfoPrinterPass::runOnModule(Module &M) {
     if (FI->isDeclaration()) continue;
     double w = ignoreMissing(PI.getExecutionCount(FI));
     FunctionCounts.push_back(std::make_pair(FI, w));
-    for (Function::iterator BB = FI->begin(), BBE = FI->end(); 
+    for (Function::iterator BB = FI->begin(), BBE = FI->end();
          BB != BBE; ++BB) {
       double w = ignoreMissing(PI.getExecutionCount(BB));
       Counts.push_back(std::make_pair(BB, w));
@@ -193,15 +191,15 @@ bool ProfileInfoPrinterPass::runOnModule(Module &M) {
   outs() << " ##   Frequency\n";
   for (unsigned i = 0, e = FunctionCounts.size(); i != e; ++i) {
     if (FunctionCounts[i].second == 0) {
-      outs() << "\n  NOTE: " << e-i << " function" 
+      outs() << "\n  NOTE: " << e-i << " function"
         << (e-i-1 ? "s were" : " was") << " never executed!\n";
       break;
     }
 
     outs() << format("%3d", i+1) << ". "
-      << format("%5.2g", FunctionCounts[i].second) << "/"
-      << format("%g", TotalExecutions) << " "
-      << FunctionCounts[i].first->getNameStr() << "\n";
+           << format("%5.2g", FunctionCounts[i].second) << "/"
+           << format("%g", TotalExecutions) << " "
+           << FunctionCounts[i].first->getName() << "\n";
   }
 
   std::set<Function*> FunctionsToPrint;
@@ -209,14 +207,14 @@ bool ProfileInfoPrinterPass::runOnModule(Module &M) {
   TotalExecutions = 0;
   for (unsigned i = 0, e = Counts.size(); i != e; ++i)
     TotalExecutions += Counts[i].second;
-  
+
   // Sort by the frequency, backwards.
   sort(Counts.begin(), Counts.end(),
        PairSecondSortReverse<BasicBlock*>());
-  
+
   outs() << "\n===" << std::string(73, '-') << "===\n";
   outs() << "Top 20 most frequently executed basic blocks:\n\n";
-  
+
   // Print out the function frequencies...
   outs() <<" ##      %% \tFrequency\n";
   unsigned BlocksToPrint = Counts.size();
@@ -224,19 +222,19 @@ bool ProfileInfoPrinterPass::runOnModule(Module &M) {
   for (unsigned i = 0; i != BlocksToPrint; ++i) {
     if (Counts[i].second == 0) break;
     Function *F = Counts[i].first->getParent();
-    outs() << format("%3d", i+1) << ". " 
-      << format("%5g", Counts[i].second/(double)TotalExecutions*100) << "% "
-      << format("%5.0f", Counts[i].second) << "/"
-      << format("%g", TotalExecutions) << "\t"
-      << F->getNameStr() << "() - "
-       << Counts[i].first->getNameStr() << "\n";
+    outs() << format("%3d", i+1) << ". "
+           << format("%5g", Counts[i].second/(double)TotalExecutions*100)<<"% "
+           << format("%5.0f", Counts[i].second) << "/"
+           << format("%g", TotalExecutions) << "\t"
+           << F->getName() << "() - "
+           << Counts[i].first->getName() << "\n";
     FunctionsToPrint.insert(F);
   }
 
   if (PrintAnnotatedLLVM || PrintAllCode) {
     outs() << "\n===" << std::string(73, '-') << "===\n";
     outs() << "Annotated LLVM code for the module:\n\n";
-  
+
     ProfileAnnotator PA(PI);
 
     if (FunctionsToPrint.empty() || PrintAllCode)
@@ -258,17 +256,18 @@ int main(int argc, char **argv) {
 
   LLVMContext &Context = getGlobalContext();
   llvm_shutdown_obj Y;  // Call llvm_shutdown() on exit.
-  
+
   cl::ParseCommandLineOptions(argc, argv, "llvm profile dump decoder\n");
 
   // Read in the bitcode file...
   std::string ErrorMessage;
+  OwningPtr<MemoryBuffer> Buffer;
+  error_code ec;
   Module *M = 0;
-  if (MemoryBuffer *Buffer = MemoryBuffer::getFileOrSTDIN(BitcodeFile,
-                                                          &ErrorMessage)) {
-    M = ParseBitcodeFile(Buffer, Context, &ErrorMessage);
-    delete Buffer;
-  }
+  if (!(ec = MemoryBuffer::getFileOrSTDIN(BitcodeFile, Buffer))) {
+    M = ParseBitcodeFile(Buffer.get(), Context, &ErrorMessage);
+  } else
+    ErrorMessage = ec.message();
   if (M == 0) {
     errs() << argv[0] << ": " << BitcodeFile << ": "
       << ErrorMessage << "\n";
@@ -279,7 +278,7 @@ int main(int argc, char **argv) {
   // using the standard profile info provider pass, but for now this gives us
   // access to additional information not exposed via the ProfileInfo
   // interface.
-  ProfileInfoLoader PIL(argv[0], ProfileDataFile, *M);
+  ProfileInfoLoader PIL(argv[0], ProfileDataFile);
 
   // Run the printer pass.
   PassManager PassMgr;