+++ /dev/null
-//===------------------------------------------------------------------------===
-// LLVM 'AS' UTILITY
-//
-// This utility may be invoked in the following manner:
-// as --help - Output information about command line switches
-// as [options] - Read LLVM assembly from stdin, write bytecode to stdout
-// as [options] x.ll - Read LLVM assembly from the x.ll file, write bytecode
-// to the x.bc file.
-//
-//===------------------------------------------------------------------------===
-
-#include "llvm/Module.h"
-#include "llvm/Assembly/Parser.h"
-#include "llvm/Bytecode/Writer.h"
-#include "llvm/Analysis/Verifier.h"
-#include "Support/CommandLine.h"
-#include "Support/Signals.h"
-#include <fstream>
-#include <memory>
-
-static cl::opt<std::string>
-InputFilename(cl::Positional, cl::desc("<input .llvm file>"), cl::init("-"));
-
-static cl::opt<std::string>
-OutputFilename("o", cl::desc("Override output filename"),
- cl::value_desc("filename"));
-
-static cl::opt<bool>
-Force("f", cl::desc("Overwrite output files"));
-
-static cl::opt<bool>
-DumpAsm("d", cl::desc("Print assembly as parsed"), cl::Hidden);
-
-static cl::opt<bool>
-DisableVerify("disable-verify", cl::Hidden,
- cl::desc("Do not run verifier on input LLVM (dangerous!"));
-
-int main(int argc, char **argv) {
- cl::ParseCommandLineOptions(argc, argv, " llvm .ll -> .bc assembler\n");
-
- std::ostream *Out = 0;
- try {
- // Parse the file now...
- std::auto_ptr<Module> M(ParseAssemblyFile(InputFilename));
- if (M.get() == 0) {
- std::cerr << argv[0] << ": assembly didn't read correctly.\n";
- return 1;
- }
-
- if (!DisableVerify && verifyModule(*M.get())) {
- std::cerr << argv[0]
- << ": assembly parsed, but does not verify as correct!\n";
- return 1;
- }
-
- if (DumpAsm) std::cerr << "Here's the assembly:\n" << M.get();
-
- if (OutputFilename != "") { // Specified an output filename?
- if (OutputFilename != "-") { // Not stdout?
- if (!Force && std::ifstream(OutputFilename.c_str())) {
- // If force is not specified, make sure not to overwrite a file!
- std::cerr << argv[0] << ": error opening '" << OutputFilename
- << "': file exists!\n"
- << "Use -f command line argument to force output\n";
- return 1;
- }
- Out = new std::ofstream(OutputFilename.c_str());
- } else { // Specified stdout
- Out = &std::cout;
- }
- } else {
- if (InputFilename == "-") {
- OutputFilename = "-";
- Out = &std::cout;
- } else {
- std::string IFN = InputFilename;
- int Len = IFN.length();
- if (IFN[Len-3] == '.' && IFN[Len-2] == 'l' && IFN[Len-1] == 'l') {
- // Source ends in .ll
- OutputFilename = std::string(IFN.begin(), IFN.end()-3);
- } else {
- OutputFilename = IFN; // Append a .bc to it
- }
- OutputFilename += ".bc";
-
- if (!Force && std::ifstream(OutputFilename.c_str())) {
- // If force is not specified, make sure not to overwrite a file!
- std::cerr << argv[0] << ": error opening '" << OutputFilename
- << "': file exists!\n"
- << "Use -f command line argument to force output\n";
- return 1;
- }
-
- Out = new std::ofstream(OutputFilename.c_str());
- // Make sure that the Out file gets unlink'd from the disk if we get a
- // SIGINT
- RemoveFileOnSignal(OutputFilename);
- }
- }
-
- if (!Out->good()) {
- std::cerr << argv[0] << ": error opening " << OutputFilename << "!\n";
- return 1;
- }
-
- WriteBytecodeToFile(M.get(), *Out);
- } catch (const ParseException &E) {
- std::cerr << argv[0] << ": " << E.getMessage() << "\n";
- return 1;
- }
-
- if (Out != &std::cout) delete Out;
- return 0;
-}
-