//
//===----------------------------------------------------------------------===//
-#include "llvm/LLVMContext.h"
-#include "llvm/Module.h"
-#include "llvm/Assembly/Parser.h"
-#include "llvm/Analysis/Verifier.h"
+#include "llvm/IR/LLVMContext.h"
+#include "llvm/AsmParser/Parser.h"
#include "llvm/Bitcode/ReaderWriter.h"
+#include "llvm/IR/Module.h"
+#include "llvm/IR/Verifier.h"
#include "llvm/Support/CommandLine.h"
+#include "llvm/Support/FileSystem.h"
#include "llvm/Support/ManagedStatic.h"
#include "llvm/Support/PrettyStackTrace.h"
+#include "llvm/Support/Signals.h"
#include "llvm/Support/SourceMgr.h"
#include "llvm/Support/SystemUtils.h"
-#include "llvm/Support/raw_ostream.h"
-#include "llvm/System/Signals.h"
+#include "llvm/Support/ToolOutputFile.h"
#include <memory>
using namespace llvm;
cl::value_desc("filename"));
static cl::opt<bool>
-Force("f", cl::desc("Overwrite output files"));
+Force("f", cl::desc("Enable binary output on terminals"));
static cl::opt<bool>
DisableOutput("disable-output", cl::desc("Disable output"), cl::init(false));
DisableVerify("disable-verify", cl::Hidden,
cl::desc("Do not run verifier on input LLVM (dangerous!)"));
+static cl::opt<bool> PreserveBitcodeUseListOrder(
+ "preserve-bc-uselistorder",
+ cl::desc("Preserve use-list order when writing LLVM bitcode."),
+ cl::init(true), cl::Hidden);
+
+static void WriteOutputFile(const Module *M) {
+ // Infer the output filename if needed.
+ if (OutputFilename.empty()) {
+ if (InputFilename == "-") {
+ OutputFilename = "-";
+ } else {
+ StringRef IFN = InputFilename;
+ OutputFilename = (IFN.endswith(".ll") ? IFN.drop_back(3) : IFN).str();
+ OutputFilename += ".bc";
+ }
+ }
+
+ std::error_code EC;
+ std::unique_ptr<tool_output_file> Out(
+ new tool_output_file(OutputFilename, EC, sys::fs::F_None));
+ if (EC) {
+ errs() << EC.message() << '\n';
+ exit(1);
+ }
+
+ if (Force || !CheckBitcodeOutputToConsole(Out->os(), true))
+ WriteBitcodeToFile(M, Out->os(), PreserveBitcodeUseListOrder);
+
+ // Declare success.
+ Out->keep();
+}
+
int main(int argc, char **argv) {
// Print a stack trace if we signal out.
sys::PrintStackTraceOnErrorSignal();
llvm_shutdown_obj Y; // Call llvm_shutdown() on exit.
cl::ParseCommandLineOptions(argc, argv, "llvm .ll -> .bc assembler\n");
- int exitCode = 0;
- raw_ostream *Out = 0;
- try {
- // Parse the file now...
- SMDiagnostic Err;
- std::auto_ptr<Module> M(ParseAssemblyFile(InputFilename, Err, Context));
- if (M.get() == 0) {
- Err.Print(argv[0], errs());
+ // Parse the file now...
+ SMDiagnostic Err;
+ std::unique_ptr<Module> M = parseAssemblyFile(InputFilename, Err, Context);
+ if (!M.get()) {
+ Err.print(argv[0], errs());
+ return 1;
+ }
+
+ if (!DisableVerify) {
+ std::string ErrorStr;
+ raw_string_ostream OS(ErrorStr);
+ if (verifyModule(*M.get(), &OS)) {
+ errs() << argv[0]
+ << ": assembly parsed, but does not verify as correct!\n";
+ errs() << OS.str();
return 1;
}
+ }
- if (!DisableVerify) {
- std::string Err;
- if (verifyModule(*M.get(), ReturnStatusAction, &Err)) {
- errs() << argv[0]
- << ": assembly parsed, but does not verify as correct!\n";
- errs() << Err;
- return 1;
- }
- }
+ if (DumpAsm) errs() << "Here's the assembly:\n" << *M.get();
- if (DumpAsm) errs() << "Here's the assembly:\n" << *M.get();
-
- if (OutputFilename != "") { // Specified an output filename?
- if (OutputFilename != "-") { // Not stdout?
- std::string ErrorInfo;
- Out = new raw_fd_ostream(OutputFilename.c_str(), /*Binary=*/true,
- Force, ErrorInfo);
- if (!ErrorInfo.empty()) {
- errs() << ErrorInfo << '\n';
- if (!Force)
- errs() << "Use -f command line argument to force output\n";
- delete Out;
- return 1;
- }
- } else { // Specified stdout
- // FIXME: outs() is not binary!
- Out = &outs();
- }
- } else {
- if (InputFilename == "-") {
- OutputFilename = "-";
- Out = &outs();
- } 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";
-
- std::string ErrorInfo;
- Out = new raw_fd_ostream(OutputFilename.c_str(), /*Binary=*/true,
- Force, ErrorInfo);
- if (!ErrorInfo.empty()) {
- errs() << ErrorInfo << '\n';
- if (!Force)
- errs() << "Use -f command line argument to force output\n";
- delete Out;
- return 1;
- }
- // Make sure that the Out file gets unlinked from the disk if we get a
- // SIGINT
- sys::RemoveFileOnSignal(sys::Path(OutputFilename));
- }
- }
-
- if (!DisableOutput)
- if (Force || !CheckBitcodeOutputToConsole(Out,true))
- WriteBitcodeToFile(M.get(), *Out);
- } catch (const std::string& msg) {
- errs() << argv[0] << ": " << msg << "\n";
- exitCode = 1;
- } catch (...) {
- errs() << argv[0] << ": Unexpected unknown exception occurred.\n";
- exitCode = 1;
- }
+ if (!DisableOutput)
+ WriteOutputFile(M.get());
- if (Out != &outs()) delete Out;
- return exitCode;
+ return 0;
}
-