#include "llvm/LLVMContext.h"
#include "llvm/Module.h"
-#include "llvm/ModuleProvider.h"
#include "llvm/PassManager.h"
#include "llvm/Pass.h"
#include "llvm/ADT/Triple.h"
#include "llvm/Analysis/Verifier.h"
-#include "llvm/Bitcode/ReaderWriter.h"
-#include "llvm/CodeGen/FileWriters.h"
+#include "llvm/Support/IRReader.h"
#include "llvm/CodeGen/LinkAllAsmWriterComponents.h"
#include "llvm/CodeGen/LinkAllCodegenComponents.h"
-#include "llvm/CodeGen/ObjectCodeEmitter.h"
#include "llvm/Config/config.h"
-#include "llvm/LinkAllVMCore.h"
#include "llvm/Support/CommandLine.h"
-#include "llvm/Support/FileUtilities.h"
+#include "llvm/Support/Debug.h"
#include "llvm/Support/FormattedStream.h"
#include "llvm/Support/ManagedStatic.h"
-#include "llvm/Support/MemoryBuffer.h"
#include "llvm/Support/PluginLoader.h"
#include "llvm/Support/PrettyStackTrace.h"
#include "llvm/System/Host.h"
#include "llvm/Target/TargetMachine.h"
#include "llvm/Target/TargetRegistry.h"
#include "llvm/Target/TargetSelect.h"
-#include "llvm/Transforms/Scalar.h"
#include <memory>
using namespace llvm;
static cl::opt<std::string>
OutputFilename("o", cl::desc("Output filename"), cl::value_desc("filename"));
-static cl::opt<bool> Force("f", cl::desc("Overwrite output files"));
-
// Determine optimization level.
static cl::opt<char>
OptLevel("O",
cl::value_desc("a1,+a2,-a3,..."));
cl::opt<TargetMachine::CodeGenFileType>
-FileType("filetype", cl::init(TargetMachine::AssemblyFile),
+FileType("filetype", cl::init(TargetMachine::CGFT_AssemblyFile),
cl::desc("Choose a file type (not all types are supported by all targets):"),
cl::values(
- clEnumValN(TargetMachine::AssemblyFile, "asm",
+ clEnumValN(TargetMachine::CGFT_AssemblyFile, "asm",
"Emit an assembly ('.s') file"),
- clEnumValN(TargetMachine::ObjectFile, "obj",
+ clEnumValN(TargetMachine::CGFT_ObjectFile, "obj",
"Emit a native object ('.o') file [experimental]"),
- clEnumValN(TargetMachine::DynamicLibrary, "dynlib",
- "Emit a native dynamic library ('.so') file"
- " [experimental]"),
+ clEnumValN(TargetMachine::CGFT_Null, "null",
+ "Emit nothing, for performance testing"),
clEnumValEnd));
cl::opt<bool> NoVerify("disable-verify", cl::Hidden,
std::string outputFilename;
int Len = IFN.length();
if ((Len > 2) &&
- IFN[Len-3] == '.' && IFN[Len-2] == 'b' && IFN[Len-1] == 'c') {
+ IFN[Len-3] == '.' &&
+ ((IFN[Len-2] == 'b' && IFN[Len-1] == 'c') ||
+ (IFN[Len-2] == 'l' && IFN[Len-1] == 'l'))) {
outputFilename = std::string(IFN.begin(), IFN.end()-3); // s/.bc/.s/
} else {
outputFilename = IFN;
return outputFilename;
}
-static formatted_raw_ostream *GetOutputStream(const char *TargetName,
+static formatted_raw_ostream *GetOutputStream(const char *TargetName,
+ Triple::OSType OS,
const char *ProgName) {
if (OutputFilename != "") {
if (OutputFilename == "-")
sys::RemoveFileOnSignal(sys::Path(OutputFilename));
std::string error;
- raw_fd_ostream *FDOut = new raw_fd_ostream(OutputFilename.c_str(),
- /*Binary=*/true, Force, error);
+ raw_fd_ostream *FDOut =
+ new raw_fd_ostream(OutputFilename.c_str(), error,
+ raw_fd_ostream::F_Binary);
if (!error.empty()) {
errs() << error << '\n';
- if (!Force)
- errs() << "Use -f command line argument to force output\n";
delete FDOut;
return 0;
}
bool Binary = false;
switch (FileType) {
- case TargetMachine::AssemblyFile:
+ default: assert(0 && "Unknown file type");
+ case TargetMachine::CGFT_AssemblyFile:
if (TargetName[0] == 'c') {
if (TargetName[1] == 0)
OutputFilename += ".cbe.c";
} else
OutputFilename += ".s";
break;
- case TargetMachine::ObjectFile:
- OutputFilename += ".o";
+ case TargetMachine::CGFT_ObjectFile:
+ if (OS == Triple::Win32)
+ OutputFilename += ".obj";
+ else
+ OutputFilename += ".o";
Binary = true;
break;
- case TargetMachine::DynamicLibrary:
- OutputFilename += LTDL_SHLIB_EXT;
+ case TargetMachine::CGFT_Null:
+ OutputFilename += ".null";
Binary = true;
break;
}
sys::RemoveFileOnSignal(sys::Path(OutputFilename));
std::string error;
- raw_fd_ostream *FDOut = new raw_fd_ostream(OutputFilename.c_str(),
- Binary, Force, error);
+ unsigned OpenFlags = 0;
+ if (Binary) OpenFlags |= raw_fd_ostream::F_Binary;
+ raw_fd_ostream *FDOut = new raw_fd_ostream(OutputFilename.c_str(), error,
+ OpenFlags);
if (!error.empty()) {
errs() << error << '\n';
- if (!Force)
- errs() << "Use -f command line argument to force output\n";
delete FDOut;
return 0;
}
int main(int argc, char **argv) {
sys::PrintStackTraceOnErrorSignal();
PrettyStackTraceProgram X(argc, argv);
+
+ // Enable debug stream buffering.
+ EnableDebugBuffering = true;
+
LLVMContext &Context = getGlobalContext();
llvm_shutdown_obj Y; // Call llvm_shutdown() on exit.
- // Initialize targets first.
+ // Initialize targets first, so that --version shows registered targets.
InitializeAllTargets();
InitializeAllAsmPrinters();
+ InitializeAllAsmParsers();
cl::ParseCommandLineOptions(argc, argv, "llvm system compiler\n");
// Load the module to be compiled...
- std::string ErrorMessage;
+ SMDiagnostic Err;
std::auto_ptr<Module> M;
- std::auto_ptr<MemoryBuffer> Buffer(
- MemoryBuffer::getFileOrSTDIN(InputFilename, &ErrorMessage));
- if (Buffer.get())
- M.reset(ParseBitcodeFile(Buffer.get(), Context, &ErrorMessage));
+ M.reset(ParseIRFile(InputFilename, Err, Context));
if (M.get() == 0) {
- errs() << argv[0] << ": bitcode didn't read correctly.\n";
- errs() << "Reason: " << ErrorMessage << "\n";
+ Err.Print(argv[0], errs());
return 1;
}
Module &mod = *M.get();
TargetMachine &Target = *target.get();
// Figure out where we are going to send the output...
- formatted_raw_ostream *Out = GetOutputStream(TheTarget->getName(), argv[0]);
+ formatted_raw_ostream *Out = GetOutputStream(TheTarget->getName(),
+ TheTriple.getOS(), argv[0]);
if (Out == 0) return 1;
CodeGenOpt::Level OLvl = CodeGenOpt::Default;
return 1;
case ' ': break;
case '0': OLvl = CodeGenOpt::None; break;
- case '1':
+ case '1': OLvl = CodeGenOpt::Less; break;
case '2': OLvl = CodeGenOpt::Default; break;
case '3': OLvl = CodeGenOpt::Aggressive; break;
}
+ // Request that addPassesToEmitFile run the Verifier after running
+ // passes which modify the IR.
+#ifndef NDEBUG
+ bool DisableVerify = false;
+#else
+ bool DisableVerify = true;
+#endif
+
// If this target requires addPassesToEmitWholeFile, do it now. This is
// used by strange things like the C backend.
if (Target.WantsWholeFile()) {
PM.add(createVerifierPass());
// Ask the target to add backend passes as necessary.
- if (Target.addPassesToEmitWholeFile(PM, *Out, FileType, OLvl)) {
+ if (Target.addPassesToEmitWholeFile(PM, *Out, FileType, OLvl,
+ DisableVerify)) {
errs() << argv[0] << ": target does not support generation of this"
<< " file type!\n";
if (Out != &fouts()) delete Out;
PM.run(mod);
} else {
// Build up all of the passes that we want to do to the module.
- ExistingModuleProvider Provider(M.release());
- FunctionPassManager Passes(&Provider);
+ FunctionPassManager Passes(M.get());
// Add the target data from the target machine, if it exists, or the module.
if (const TargetData *TD = Target.getTargetData())
Passes.add(createVerifierPass());
#endif
- // Ask the target to add backend passes as necessary.
- ObjectCodeEmitter *OCE = 0;
-
// Override default to generate verbose assembly.
Target.setAsmVerbosityDefault(true);
- switch (Target.addPassesToEmitFile(Passes, *Out, FileType, OLvl)) {
- default:
- assert(0 && "Invalid file model!");
- return 1;
- case FileModel::Error:
- errs() << argv[0] << ": target does not support generation of this"
- << " file type!\n";
- if (Out != &fouts()) delete Out;
- // And the Out file is empty and useless, so remove it now.
- sys::Path(OutputFilename).eraseFromDisk();
- return 1;
- case FileModel::AsmFile:
- break;
- case FileModel::MachOFile:
- OCE = AddMachOWriter(Passes, *Out, Target);
- break;
- case FileModel::ElfFile:
- OCE = AddELFWriter(Passes, *Out, Target);
- break;
- }
-
- if (Target.addPassesToEmitFileFinish(Passes, OCE, OLvl)) {
+ if (Target.addPassesToEmitFile(Passes, *Out, FileType, OLvl,
+ DisableVerify)) {
errs() << argv[0] << ": target does not support generation of this"
<< " file type!\n";
if (Out != &fouts()) delete Out;
Passes.doFinalization();
}
- Out->flush();
-
// Delete the ostream if it's not a stdout stream
if (Out != &fouts()) delete Out;