Move the space in overview output for commands out of each of the

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

diff --git a/tools/llvm-bcanalyzer/llvm-bcanalyzer.cpp b/tools/llvm-bcanalyzer/llvm-bcanalyzer.cpp
index 733e4a9e8680870a7df3ea0c092fc39b52b2fce0..b596fe3731004c3d3c50fa6a6a5afe9fc675966e 100644 (file)
--- a/tools/llvm-bcanalyzer/llvm-bcanalyzer.cpp
+++ b/tools/llvm-bcanalyzer/llvm-bcanalyzer.cpp
@@ -1,4 +1,4 @@
-//===-- llvm-bcanalyzer.cpp - Byte Code Analyzer --------------------------===//
+//===-- llvm-bcanalyzer.cpp - Bitcode Analyzer --------------------------===//
 //
 //                     The LLVM Compiler Infrastructure
 //
@@ -8,57 +8,50 @@
 //===----------------------------------------------------------------------===//
 //
 // This tool may be invoked in the following manner:
-//  llvm-bcanalyzer [options]      - Read LLVM bytecode from stdin
-//  llvm-bcanalyzer [options] x.bc - Read LLVM bytecode from the x.bc file
+//  llvm-bcanalyzer [options]      - Read LLVM bitcode from stdin
+//  llvm-bcanalyzer [options] x.bc - Read LLVM bitcode from the x.bc file
 //
 //  Options:
 //      --help      - Output information about command line switches
-//      --nodetails - Don't print out detailed informaton about individual
-//                    blocks and functions
-//      --dump      - Dump low-level bytecode structure in readable format
+//      --dump      - Dump low-level bitcode structure in readable format
 //
-// This tool provides analytical information about a bytecode file. It is
-// intended as an aid to developers of bytecode reading and writing software. It
-// produces on std::out a summary of the bytecode file that shows various
+// This tool provides analytical information about a bitcode file. It is
+// intended as an aid to developers of bitcode reading and writing software. It
+// produces on std::out a summary of the bitcode file that shows various
 // statistics about the contents of the file. By default this information is
-// detailed and contains information about individual bytecode blocks and the
-// functions in the module. To avoid this more detailed output, use the
-// -nodetails option to limit the output to just module level information.
-// The tool is also able to print a bytecode file in a straight forward text
+// detailed and contains information about individual bitcode blocks and the
+// functions in the module. 
+// The tool is also able to print a bitcode file in a straight forward text
 // format that shows the containment and relationships of the information in
-// the bytecode file (-dump option).
+// the bitcode file (-dump option).
 //
 //===----------------------------------------------------------------------===//
 
 #include "llvm/Analysis/Verifier.h"
 #include "llvm/Bitcode/BitstreamReader.h"
 #include "llvm/Bitcode/LLVMBitCodes.h"
-#include "llvm/Bytecode/Analyzer.h"
 #include "llvm/Support/CommandLine.h"
-#include "llvm/Support/Compressor.h"
 #include "llvm/Support/ManagedStatic.h"
 #include "llvm/Support/MemoryBuffer.h"
 #include "llvm/System/Signals.h"
+#include <map>
 #include <fstream>
 #include <iostream>
 #include <algorithm>
 using namespace llvm;
 
 static cl::opt<std::string>
-  InputFilename(cl::Positional, cl::desc("<input bytecode>"), cl::init("-"));
+  InputFilename(cl::Positional, cl::desc("<input bitcode>"), cl::init("-"));
 
 static cl::opt<std::string>
   OutputFilename("-o", cl::init("-"), cl::desc("<output file>"));
 
-static cl::opt<bool> NoDetails("nodetails", cl::desc("Skip detailed output"));
-static cl::opt<bool> Dump("dump", cl::desc("Dump low level bytecode trace"));
-static cl::opt<bool> Verify("verify", cl::desc("Progressively verify module"));
+static cl::opt<bool> Dump("dump", cl::desc("Dump low level bitcode trace"));
 
 //===----------------------------------------------------------------------===//
 // Bitcode specific analysis.
 //===----------------------------------------------------------------------===//
 
-static cl::opt<bool> Bitcode("bitcode", cl::desc("Read a bitcode file"));
 static cl::opt<bool> NoHistogram("disable-histogram",
                                  cl::desc("Do not print per-code histogram"));
 
@@ -501,51 +494,11 @@ static int AnalyzeBitcode() {
 }
 
 
-//===----------------------------------------------------------------------===//
-// Bytecode specific analysis.
-//===----------------------------------------------------------------------===//
-
 int main(int argc, char **argv) {
   llvm_shutdown_obj X;  // Call llvm_shutdown() on exit.
-  cl::ParseCommandLineOptions(argc, argv, " llvm-bcanalyzer file analyzer\n");
+  cl::ParseCommandLineOptions(argc, argv, "llvm-bcanalyzer file analyzer\n");
   
   sys::PrintStackTraceOnErrorSignal();
   
-  if (Bitcode)
-    return AnalyzeBitcode();
-    
-  try {
-    std::ostream *Out = &std::cout;  // Default to printing to stdout...
-    std::string ErrorMessage;
-    BytecodeAnalysis bca;
-
-    /// Determine what to generate
-    bca.detailedResults = !NoDetails;
-    bca.progressiveVerify = Verify;
-
-    /// Analyze the bytecode file
-    Module* M = AnalyzeBytecodeFile(InputFilename, bca, 
-                                    Compressor::decompressToNewBuffer,
-                                    &ErrorMessage, (Dump?Out:0));
-
-    // All that bcanalyzer does is write the gathered statistics to the output
-    PrintBytecodeAnalysis(bca,*Out);
-
-    if (M && Verify) {
-      std::string verificationMsg;
-      if (verifyModule(*M, ReturnStatusAction, &verificationMsg))
-        std::cerr << "Final Verification Message: " << verificationMsg << "\n";
-    }
-
-    if (Out != &std::cout) {
-      ((std::ofstream*)Out)->close();
-      delete Out;
-    }
-    return 0;
-  } catch (const std::string& msg) {
-    std::cerr << argv[0] << ": " << msg << "\n";
-  } catch (...) {
-    std::cerr << argv[0] << ": Unexpected unknown exception occurred.\n";
-  }
-  return 1;
+  return AnalyzeBitcode();
 }