//===----------------------------------------------------------------------===//
#include "llvm/Bytecode/Reader.h"
+#include "llvm/Target/SubtargetFeature.h"
#include "llvm/Target/TargetMachine.h"
#include "llvm/Target/TargetMachineRegistry.h"
#include "llvm/Transforms/Scalar.h"
#include "llvm/Pass.h"
#include "llvm/Support/CommandLine.h"
#include "llvm/Support/PluginLoader.h"
+#include "llvm/Support/FileUtilities.h"
+#include "llvm/Analysis/Verifier.h"
#include "llvm/System/Signals.h"
+#include "llvm/Config/config.h"
#include <fstream>
#include <iostream>
#include <memory>
static cl::opt<bool> Force("f", cl::desc("Overwrite output files"));
+static cl::opt<bool> Fast("fast",
+ cl::desc("Generate code quickly, potentially sacrificing code quality"));
+
+static cl::opt<std::string>
+TargetTriple("mtriple", cl::desc("Override target triple for module"));
+
static cl::opt<const TargetMachineRegistry::Entry*, false, TargetNameParser>
-MArch("march", cl::desc("Architecture to generate assembly for:"));
+MArch("march", cl::desc("Architecture to generate code for:"));
-// GetFileNameRoot - Helper function to get the basename of a filename...
+static cl::opt<std::string>
+MCPU("mcpu",
+ cl::desc("Target a specific cpu type (-mcpu=help for details)"),
+ cl::value_desc("cpu-name"),
+ cl::init(""));
+
+static cl::list<std::string>
+MAttrs("mattr",
+ cl::CommaSeparated,
+ cl::desc("Target specific attributes (-mattr=help for details)"),
+ cl::value_desc("a1,+a2,-a3,..."));
+
+cl::opt<TargetMachine::CodeGenFileType>
+FileType("filetype", cl::init(TargetMachine::AssemblyFile),
+ cl::desc("Choose a file type (not all types are supported by all targets):"),
+ cl::values(
+ clEnumValN(TargetMachine::AssemblyFile, "asm",
+ " Emit an assembly ('.s') file"),
+ clEnumValN(TargetMachine::ObjectFile, "obj",
+ " Emit a native object ('.o') file [experimental]"),
+ clEnumValN(TargetMachine::DynamicLibrary, "dynlib",
+ " Emit a native dynamic library ('.so') file"),
+ clEnumValEnd));
+
+cl::opt<bool> NoVerify("disable-verify", cl::Hidden,
+ cl::desc("Do not verify input module"));
+
+
+// GetFileNameRoot - Helper function to get the basename of a filename.
static inline std::string
GetFileNameRoot(const std::string &InputFilename) {
std::string IFN = InputFilename;
}
Module &mod = *M.get();
+ // If we are supposed to override the target triple, do so now.
+ if (!TargetTriple.empty())
+ mod.setTargetTriple(TargetTriple);
+
// Allocate target machine. First, check whether the user has
// explicitly specified an architecture to compile for.
- TargetMachine* (*TargetMachineAllocator)(const Module&,
- IntrinsicLowering *) = 0;
if (MArch == 0) {
std::string Err;
MArch = TargetMachineRegistry::getClosestStaticTargetForModule(mod, Err);
}
}
- std::auto_ptr<TargetMachine> target(MArch->CtorFn(mod, 0));
+ // Package up features to be passed to target/subtarget
+ std::string FeaturesStr;
+ if (MCPU.size() || 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(MArch->CtorFn(mod, FeaturesStr));
assert(target.get() && "Could not allocate target machine!");
TargetMachine &Target = *target.get();
const TargetData &TD = Target.getTargetData();
// Build up all of the passes that we want to do to the module...
PassManager Passes;
- Passes.add(new TargetData("llc", TD.isLittleEndian(), TD.getPointerSize(),
- TD.getPointerAlignment(), TD.getDoubleAlignment()));
+ Passes.add(new TargetData(TD));
+
+#ifndef NDEBUG
+ if(!NoVerify)
+ Passes.add(createVerifierPass());
+#endif
// Figure out where we are going to send the output...
std::ostream *Out = 0;
} else {
OutputFilename = GetFileNameRoot(InputFilename);
- if (MArch->Name[0] != 'c' || MArch->Name[1] != 0) // not CBE
- OutputFilename += ".s";
- else
- OutputFilename += ".cbe.c";
+ switch (FileType) {
+ case TargetMachine::AssemblyFile:
+ if (MArch->Name[0] != 'c' || MArch->Name[1] != 0) // not CBE
+ OutputFilename += ".s";
+ else
+ OutputFilename += ".cbe.c";
+ break;
+ case TargetMachine::ObjectFile:
+ OutputFilename += ".o";
+ break;
+ case TargetMachine::DynamicLibrary:
+ OutputFilename += LTDL_SHLIB_EXT;
+ break;
+ }
if (!Force && std::ifstream(OutputFilename.c_str())) {
// If force is not specified, make sure not to overwrite a file!
sys::RemoveFileOnSignal(sys::Path(OutputFilename));
}
}
-
- // Ask the target to add backend passes as necessary
- if (Target.addPassesToEmitFile(Passes, *Out, TargetMachine::AssemblyFile)) {
+
+ // Ask the target to add backend passes as necessary.
+ if (Target.addPassesToEmitFile(Passes, *Out, FileType, Fast)) {
std::cerr << argv[0] << ": target '" << Target.getName()
- << "' does not support static compilation!\n";
+ << "' does not support generation of this file type!\n";
if (Out != &std::cout) delete Out;
// And the Out file is empty and useless, so remove it now.
- std::remove(OutputFilename.c_str());
+ sys::Path(OutputFilename).eraseFromDisk();
return 1;
} else {
// Run our queue of passes all at once now, efficiently.
projects / oota-llvm.git / blobdiff