#include "llvm/CodeGen/LinkAllAsmWriterComponents.h"
#include "llvm/CodeGen/LinkAllCodegenComponents.h"
#include "llvm/Config/config.h"
+#include "llvm/MC/SubtargetFeature.h"
#include "llvm/Support/CommandLine.h"
#include "llvm/Support/Debug.h"
#include "llvm/Support/FormattedStream.h"
#include "llvm/Support/ManagedStatic.h"
#include "llvm/Support/PluginLoader.h"
#include "llvm/Support/PrettyStackTrace.h"
-#include "llvm/System/Host.h"
-#include "llvm/System/Signals.h"
-#include "llvm/Target/SubtargetFeature.h"
+#include "llvm/Support/ToolOutputFile.h"
+#include "llvm/Support/Host.h"
+#include "llvm/Support/Signals.h"
#include "llvm/Target/TargetData.h"
#include "llvm/Target/TargetMachine.h"
#include "llvm/Target/TargetRegistry.h"
cl::desc("Target specific attributes (-mattr=help for details)"),
cl::value_desc("a1,+a2,-a3,..."));
+static cl::opt<Reloc::Model>
+RelocModel("relocation-model",
+ cl::desc("Choose relocation model"),
+ cl::init(Reloc::Default),
+ cl::values(
+ clEnumValN(Reloc::Default, "default",
+ "Target default relocation model"),
+ clEnumValN(Reloc::Static, "static",
+ "Non-relocatable code"),
+ clEnumValN(Reloc::PIC_, "pic",
+ "Fully relocatable, position independent code"),
+ clEnumValN(Reloc::DynamicNoPIC, "dynamic-no-pic",
+ "Relocatable external references, non-relocatable code"),
+ clEnumValEnd));
+
+static cl::opt<llvm::CodeModel::Model>
+CMModel("code-model",
+ cl::desc("Choose code model"),
+ cl::init(CodeModel::Default),
+ cl::values(clEnumValN(CodeModel::Default, "default",
+ "Target default code model"),
+ clEnumValN(CodeModel::Small, "small",
+ "Small code model"),
+ clEnumValN(CodeModel::Kernel, "kernel",
+ "Kernel code model"),
+ clEnumValN(CodeModel::Medium, "medium",
+ "Medium code model"),
+ clEnumValN(CodeModel::Large, "large",
+ "Large code model"),
+ clEnumValEnd));
+
static cl::opt<bool>
RelaxAll("mc-relax-all",
cl::desc("When used with filetype=obj, "
cl::opt<bool> NoVerify("disable-verify", cl::Hidden,
cl::desc("Do not verify input module"));
+cl::opt<bool> DisableDotLoc("disable-dot-loc", cl::Hidden,
+ cl::desc("Do not use .loc entries"));
+
+cl::opt<bool> DisableCFI("disable-cfi", cl::Hidden,
+ cl::desc("Do not use .cfi_* directives"));
static cl::opt<bool>
DisableRedZone("disable-red-zone",
cl::desc("Do not emit code that uses the red zone."),
cl::init(false));
-static cl::opt<bool>
-NoImplicitFloats("no-implicit-float",
- cl::desc("Don't generate implicit floating point instructions (x86-only)"),
- cl::init(false));
-
// GetFileNameRoot - Helper function to get the basename of a filename.
static inline std::string
GetFileNameRoot(const std::string &InputFilename) {
return outputFilename;
}
-static formatted_tool_output_file *GetOutputStream(const char *TargetName,
- Triple::OSType OS,
- const char *ProgName) {
+static 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 == "-")
return 0;
}
- formatted_tool_output_file *Out =
- new formatted_tool_output_file(*FDOut,
- formatted_raw_ostream::DELETE_STREAM);
-
- return Out;
+ return FDOut;
}
// main - Entry point for the llc compiler.
// Initialize targets first, so that --version shows registered targets.
InitializeAllTargets();
+ InitializeAllTargetMCs();
InitializeAllAsmPrinters();
InitializeAllAsmParsers();
+ // Register the target printer for --version.
+ cl::AddExtraVersionPrinter(TargetRegistry::printRegisteredTargetsForVersion);
+
cl::ParseCommandLineOptions(argc, argv, "llvm system compiler\n");
-
+
// Load the module to be compiled...
SMDiagnostic Err;
std::auto_ptr<Module> M;
// Package up features to be passed to target/subtarget
std::string FeaturesStr;
- if (MCPU.size() || MAttrs.size()) {
+ if (MAttrs.size()) {
SubtargetFeatures Features;
- Features.setCPU(MCPU);
for (unsigned i = 0; i != MAttrs.size(); ++i)
Features.AddFeature(MAttrs[i]);
FeaturesStr = Features.getString();
}
- std::auto_ptr<TargetMachine>
- target(TheTarget->createTargetMachine(TheTriple.getTriple(), FeaturesStr));
+ std::auto_ptr<TargetMachine>
+ target(TheTarget->createTargetMachine(TheTriple.getTriple(),
+ MCPU, FeaturesStr,
+ RelocModel, CMModel));
assert(target.get() && "Could not allocate target machine!");
TargetMachine &Target = *target.get();
+ if (DisableDotLoc)
+ Target.setMCUseLoc(false);
+
+ if (DisableCFI)
+ Target.setMCUseCFI(false);
+
+ // Disable .loc support for older OS X versions.
+ if (TheTriple.isMacOSX() &&
+ TheTriple.isMacOSXVersionLT(10, 6))
+ Target.setMCUseLoc(false);
+
// Figure out where we are going to send the output...
- OwningPtr<formatted_tool_output_file> Out
+ OwningPtr<tool_output_file> Out
(GetOutputStream(TheTarget->getName(), TheTriple.getOS(), argv[0]));
if (!Out) return 1;
Target.setMCRelaxAll(true);
}
- // Ask the target to add backend passes as necessary.
- if (Target.addPassesToEmitFile(PM, *Out, FileType, OLvl,
- NoVerify)) {
- errs() << argv[0] << ": target does not support generation of this"
- << " file type!\n";
- return 1;
- }
+ {
+ formatted_raw_ostream FOS(Out->os());
- PM.run(mod);
+ // Ask the target to add backend passes as necessary.
+ if (Target.addPassesToEmitFile(PM, FOS, FileType, OLvl, NoVerify)) {
+ errs() << argv[0] << ": target does not support generation of this"
+ << " file type!\n";
+ return 1;
+ }
+
+ // Before executing passes, print the final values of the LLVM options.
+ cl::PrintOptionValues();
+
+ PM.run(mod);
+ }
// Declare success.
Out->keep();
projects / oota-llvm.git / blobdiff