Name Change: llvm-abcd -> llvm-bcanalyzer
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@14555 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/tools/llvm-bcanalyzer/llvm-bcanalyzer.cpp b/tools/llvm-bcanalyzer/llvm-bcanalyzer.cpp
new file mode 100644
index 0000000..d0ba73d
--- /dev/null
+++ b/tools/llvm-bcanalyzer/llvm-bcanalyzer.cpp
@@ -0,0 +1,98 @@
+//===-- llvm-bcanalyzer.cpp - Byte Code Analyzer --------------------------===//
+//
+// The LLVM Compiler Infrastructure
+//
+// This file was developed by Reid Spencer and is distributed under the
+// University of Illinois Open Source License. See LICENSE.TXT for details.
+//
+//===----------------------------------------------------------------------===//
+//
+// 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
+//
+// 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
+//
+// 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
+// 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
+// format that shows the containment and relationships of the information in
+// the bytecode file (-dump option).
+//===----------------------------------------------------------------------===//
+
+#include "llvm/Analysis/Verifier.h"
+#include "llvm/Bytecode/Analyzer.h"
+#include "Support/CommandLine.h"
+#include "llvm/System/Signals.h"
+#include <fstream>
+#include <iostream>
+
+using namespace llvm;
+
+static cl::opt<std::string>
+ InputFilename(cl::Positional, cl::desc("<input bytecode>"), cl::init("-"));
+
+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"));
+
+int
+main(int argc, char **argv)
+{
+ cl::ParseCommandLineOptions(argc, argv,
+ " llvm-bcanalyzer Analysis of ByteCode Dumper\n");
+
+ PrintStackTraceOnErrorSignal();
+
+ std::ostream* Out = &std::cout; // Default to printing to stdout...
+ std::istream* In = &std::cin; // Default to reading stdin
+ std::string ErrorMessage;
+ BytecodeAnalysis bca;
+
+ /// Determine what to generate
+ bca.dumpBytecode = Dump;
+ bca.detailedResults = !NoDetails;
+ bca.progressiveVerify = Verify;
+
+ /// Analyze the bytecode file
+ Module* M = AnalyzeBytecodeFile(InputFilename, bca, &ErrorMessage);
+
+ // All that bcanalyzer does is write the gathered statistics to the output
+ PrintBytecodeAnalysis(bca,*Out);
+
+ if ( M && Verify ) {
+ std::string verificationMsg;
+ try {
+ verifyModule( *M, ThrowExceptionAction );
+ } catch (std::string& errmsg ) {
+ verificationMsg = errmsg;
+ }
+ if ( verificationMsg.length() > 0 )
+ std::cerr << "Final Verification Message: " << verificationMsg << "\n";
+ }
+
+
+ // If there was an error, print it and stop.
+ if ( ErrorMessage.size() ) {
+ std::cerr << argv[0] << ": " << ErrorMessage << "\n";
+ return 1;
+ }
+
+
+ if (Out != &std::cout) {
+ ((std::ofstream*)Out)->close();
+ delete Out;
+ }
+ return 0;
+}
+
+// vim: sw=2