#include "llvm/ADT/Triple.h"
#include "llvm/Analysis/Verifier.h"
#include "llvm/Support/IRReader.h"
-#include "llvm/CodeGen/FileWriters.h"
#include "llvm/CodeGen/LinkAllAsmWriterComponents.h"
#include "llvm/CodeGen/LinkAllCodegenComponents.h"
#include "llvm/Config/config.h"
-#include "llvm/LinkAllVMCore.h"
#include "llvm/Support/CommandLine.h"
#include "llvm/Support/Debug.h"
-#include "llvm/Support/FileUtilities.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("Enable binary output on terminals"));
-
// Determine optimization level.
static cl::opt<char>
OptLevel("O",
cl::desc("Target specific attributes (-mattr=help for details)"),
cl::value_desc("a1,+a2,-a3,..."));
+static cl::opt<bool>
+RelaxAll("mc-relax-all",
+ cl::desc("When used with filetype=obj, "
+ "relax all fixups in the emitted object file"));
+
cl::opt<TargetMachine::CodeGenFileType>
FileType("filetype", cl::init(TargetMachine::CGFT_AssemblyFile),
cl::desc("Choose a file type (not all types are supported by all targets):"),
"Emit an assembly ('.s') file"),
clEnumValN(TargetMachine::CGFT_ObjectFile, "obj",
"Emit a native object ('.o') file [experimental]"),
- clEnumValN(TargetMachine::CGFT_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,
return outputFilename;
}
-static formatted_raw_ostream *GetOutputStream(const char *TargetName,
- const char *ProgName) {
- if (OutputFilename != "") {
- if (OutputFilename == "-")
- return &fouts();
-
- // Make sure that the Out file gets unlinked from the disk if we get a
- // SIGINT
- sys::RemoveFileOnSignal(sys::Path(OutputFilename));
-
- std::string error;
- raw_fd_ostream *FDOut =
- new raw_fd_ostream(OutputFilename.c_str(), error,
- raw_fd_ostream::F_Binary);
- if (!error.empty()) {
- errs() << error << '\n';
- delete FDOut;
- return 0;
+static formatted_tool_output_file *GetOutputStream(const char *TargetName,
+ Triple::OSType OS,
+ const char *ProgName) {
+ // If we don't yet have an output filename, make one.
+ if (OutputFilename.empty()) {
+ if (InputFilename == "-")
+ OutputFilename = "-";
+ else {
+ OutputFilename = GetFileNameRoot(InputFilename);
+
+ switch (FileType) {
+ default: assert(0 && "Unknown file type");
+ case TargetMachine::CGFT_AssemblyFile:
+ if (TargetName[0] == 'c') {
+ if (TargetName[1] == 0)
+ OutputFilename += ".cbe.c";
+ else if (TargetName[1] == 'p' && TargetName[2] == 'p')
+ OutputFilename += ".cpp";
+ else
+ OutputFilename += ".s";
+ } else
+ OutputFilename += ".s";
+ break;
+ case TargetMachine::CGFT_ObjectFile:
+ if (OS == Triple::Win32)
+ OutputFilename += ".obj";
+ else
+ OutputFilename += ".o";
+ break;
+ case TargetMachine::CGFT_Null:
+ OutputFilename += ".null";
+ break;
+ }
}
- formatted_raw_ostream *Out =
- new formatted_raw_ostream(*FDOut, formatted_raw_ostream::DELETE_STREAM);
-
- return Out;
}
- if (InputFilename == "-") {
- OutputFilename = "-";
- return &fouts();
- }
-
- OutputFilename = GetFileNameRoot(InputFilename);
-
+ // Decide if we need "binary" output.
bool Binary = false;
switch (FileType) {
default: assert(0 && "Unknown file type");
case TargetMachine::CGFT_AssemblyFile:
- if (TargetName[0] == 'c') {
- if (TargetName[1] == 0)
- OutputFilename += ".cbe.c";
- else if (TargetName[1] == 'p' && TargetName[2] == 'p')
- OutputFilename += ".cpp";
- else
- OutputFilename += ".s";
- } else
- OutputFilename += ".s";
break;
case TargetMachine::CGFT_ObjectFile:
- OutputFilename += ".o";
- Binary = true;
- break;
- case TargetMachine::CGFT_DynamicLibrary:
- OutputFilename += LTDL_SHLIB_EXT;
+ case TargetMachine::CGFT_Null:
Binary = true;
break;
}
- // Make sure that the Out file gets unlinked from the disk if we get a
- // SIGINT
- sys::RemoveFileOnSignal(sys::Path(OutputFilename));
-
+ // Open the file.
std::string 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);
+ tool_output_file *FDOut = new tool_output_file(OutputFilename.c_str(), error,
+ OpenFlags);
if (!error.empty()) {
errs() << error << '\n';
delete FDOut;
return 0;
}
- formatted_raw_ostream *Out =
- new formatted_raw_ostream(*FDOut, formatted_raw_ostream::DELETE_STREAM);
+ formatted_tool_output_file *Out =
+ new formatted_tool_output_file(*FDOut,
+ formatted_raw_ostream::DELETE_STREAM);
return Out;
}
// Initialize targets first, so that --version shows registered targets.
InitializeAllTargets();
InitializeAllAsmPrinters();
+ InitializeAllAsmParsers();
cl::ParseCommandLineOptions(argc, argv, "llvm system compiler\n");
// If we are supposed to override the target triple, do so now.
if (!TargetTriple.empty())
- mod.setTargetTriple(TargetTriple);
+ mod.setTargetTriple(Triple::normalize(TargetTriple));
Triple TheTriple(mod.getTargetTriple());
if (TheTriple.getTriple().empty())
TargetMachine &Target = *target.get();
// Figure out where we are going to send the output...
- formatted_raw_ostream *Out = GetOutputStream(TheTarget->getName(), argv[0]);
- if (Out == 0) return 1;
+ OwningPtr<formatted_tool_output_file> Out
+ (GetOutputStream(TheTarget->getName(), TheTriple.getOS(), argv[0]));
+ if (!Out) return 1;
CodeGenOpt::Level OLvl = CodeGenOpt::Default;
switch (OptLevel) {
case '3': OLvl = CodeGenOpt::Aggressive; break;
}
- // If this target requires addPassesToEmitWholeFile, do it now. This is
- // used by strange things like the C backend.
- if (Target.WantsWholeFile()) {
- PassManager PM;
-
- // Add the target data from the target machine, if it exists, or the module.
- if (const TargetData *TD = Target.getTargetData())
- PM.add(new TargetData(*TD));
- else
- PM.add(new TargetData(&mod));
-
- if (!NoVerify)
- PM.add(createVerifierPass());
-
- // Ask the target to add backend passes as necessary.
- if (Target.addPassesToEmitWholeFile(PM, *Out, FileType, OLvl)) {
- 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;
- }
- PM.run(mod);
- } else {
- // Build up all of the passes that we want to do to the module.
- 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(new TargetData(*TD));
- else
- Passes.add(new TargetData(&mod));
-
+ // Request that addPassesToEmitFile run the Verifier after running
+ // passes which modify the IR.
#ifndef NDEBUG
- if (!NoVerify)
- Passes.add(createVerifierPass());
+ bool DisableVerify = false;
+#else
+ bool DisableVerify = true;
#endif
- // Override default to generate verbose assembly.
- Target.setAsmVerbosityDefault(true);
+ // Build up all of the passes that we want to do to the module.
+ PassManager PM;
- switch (Target.addPassesToEmitFile(Passes, *Out, FileType, OLvl)) {
- default:
- assert(0 && "Invalid file model!");
- return 1;
- case TargetMachine::CGFT_ErrorOccurred:
- 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 TargetMachine::CGFT_AssemblyFile:
- break;
- }
+ // Add the target data from the target machine, if it exists, or the module.
+ if (const TargetData *TD = Target.getTargetData())
+ PM.add(new TargetData(*TD));
+ else
+ PM.add(new TargetData(&mod));
- Passes.doInitialization();
-
- // Run our queue of passes all at once now, efficiently.
- // TODO: this could lazily stream functions out of the module.
- for (Module::iterator I = mod.begin(), E = mod.end(); I != E; ++I)
- if (!I->isDeclaration()) {
- if (DisableRedZone)
- I->addFnAttr(Attribute::NoRedZone);
- if (NoImplicitFloats)
- I->addFnAttr(Attribute::NoImplicitFloat);
- Passes.run(*I);
- }
+ if (!NoVerify)
+ PM.add(createVerifierPass());
+
+ // Override default to generate verbose assembly.
+ Target.setAsmVerbosityDefault(true);
+
+ if (RelaxAll) {
+ if (FileType != TargetMachine::CGFT_ObjectFile)
+ errs() << argv[0]
+ << ": warning: ignoring -mc-relax-all because filetype != obj";
+ else
+ Target.setMCRelaxAll(true);
+ }
- Passes.doFinalization();
+ // Ask the target to add backend passes as necessary.
+ if (Target.addPassesToEmitFile(PM, *Out, FileType, OLvl,
+ DisableVerify)) {
+ errs() << argv[0] << ": target does not support generation of this"
+ << " file type!\n";
+ return 1;
}
- // Delete the ostream if it's not a stdout stream
- if (Out != &fouts()) delete Out;
+ PM.run(mod);
+
+ // Declare success.
+ Out->keep();
return 0;
}
projects / oota-llvm.git / blobdiff