Chapter 5, 6, and 7 of the ocaml/kaleidoscope tutorial

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

diff --git a/tools/llvm-dis/llvm-dis.cpp b/tools/llvm-dis/llvm-dis.cpp
index 7a8bf5afc8d6320223b09f1749c0a5bf42e2cf86..9802541e0f6bbaf1bf1d1ec64be76f49e2618396 100644 (file)
--- a/tools/llvm-dis/llvm-dis.cpp
+++ b/tools/llvm-dis/llvm-dis.cpp
@@ -2,14 +2,14 @@
 //
 //                     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 utility may be invoked in the following manner:
-//  llvm-dis [options]      - Read LLVM bytecode from stdin, write asm to stdout
-//  llvm-dis [options] x.bc - Read LLVM bytecode from the x.bc file, write asm
+//  llvm-dis [options]      - Read LLVM bitcode from stdin, write asm to stdout
+//  llvm-dis [options] x.bc - Read LLVM bitcode from the x.bc file, write asm
 //                            to the x.ll file.
 //  Options:
 //      --help   - Output information about command line switches
@@ -19,11 +19,10 @@
 #include "llvm/Module.h"
 #include "llvm/PassManager.h"
 #include "llvm/Bitcode/ReaderWriter.h"
-#include "llvm/Bytecode/Reader.h"
 #include "llvm/Assembly/PrintModulePass.h"
-#include "llvm/Support/Compressor.h"
 #include "llvm/Support/CommandLine.h"
 #include "llvm/Support/ManagedStatic.h"
+#include "llvm/Support/MemoryBuffer.h"
 #include "llvm/Support/Streams.h"
 #include "llvm/System/Signals.h"
 #include <iostream>
@@ -32,7 +31,7 @@
 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::desc("Override output filename"),
@@ -47,28 +46,29 @@ DontPrint("disable-output", cl::desc("Don't output the .ll file"), cl::Hidden);
 int main(int argc, char **argv) {
   llvm_shutdown_obj X;  // Call llvm_shutdown() on exit.
   try {
-    cl::ParseCommandLineOptions(argc, argv, " llvm .bc -> .ll disassembler\n");
+    cl::ParseCommandLineOptions(argc, argv, "llvm .bc -> .ll disassembler\n");
     sys::PrintStackTraceOnErrorSignal();
 
     std::ostream *Out = &std::cout;  // Default to printing to stdout.
     std::string ErrorMessage;
 
     std::auto_ptr<Module> M;
-    
-    M.reset(ParseBitcodeFile(InputFilename, &ErrorMessage));
-    
-    if (M.get() == 0)
-      M.reset(ParseBytecodeFile(InputFilename,Compressor::decompressToNewBuffer,
-                                &ErrorMessage));
+   
+    if (MemoryBuffer *Buffer
+           = MemoryBuffer::getFileOrSTDIN(InputFilename, &ErrorMessage)) {
+      M.reset(ParseBitcodeFile(Buffer, &ErrorMessage));
+      delete Buffer;
+    }
+
     if (M.get() == 0) {
       cerr << argv[0] << ": ";
       if (ErrorMessage.size())
         cerr << ErrorMessage << "\n";
       else
-        cerr << "bytecode didn't read correctly.\n";
+        cerr << "bitcode didn't read correctly.\n";
       return 1;
     }
-
+    
     if (DontPrint) {
       // Just use stdout.  We won't actually print anything on it.
     } else if (OutputFilename != "") {   // Specified an output filename?