//===----------------------------------------------------------------------===//
#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/PassNameParser.h"
+#include "llvm/Support/FileUtilities.h"
#include "llvm/Analysis/Verifier.h"
#include "llvm/System/Signals.h"
#include "llvm/Config/config.h"
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 code for:"));
+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):"),
clEnumValN(TargetMachine::AssemblyFile, "asm",
" Emit an assembly ('.s') file"),
clEnumValN(TargetMachine::ObjectFile, "obj",
- " Emit a native object ('.o') file"),
+ " Emit a native object ('.o') file [experimental]"),
clEnumValN(TargetMachine::DynamicLibrary, "dynlib",
" Emit a native dynamic library ('.so') file"),
clEnumValEnd));
-// The LLCPassList is populated with passes that were registered using
-// PassInfo::LLC by the FilteredPassNameParser:
-cl::list<const PassInfo*, bool, FilteredPassNameParser<PassInfo::LLC> >
-LLCPassList(cl::desc("Passes Available"));
-
cl::opt<bool> NoVerify("disable-verify", cl::Hidden,
- cl::desc("Do not verify input module"));
+ cl::desc("Do not verify input module"));
// GetFileNameRoot - Helper function to get the basename of a filename.
}
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();
PassManager Passes;
Passes.add(new TargetData(TD));
- // Create a new pass for each one specified on the command line
- for (unsigned i = 0; i < LLCPassList.size(); ++i) {
- const PassInfo *aPass = LLCPassList[i];
-
- if (aPass->getNormalCtor()) {
- Pass *P = aPass->getNormalCtor()();
- Passes.add(P);
- } else {
- std::cerr << argv[0] << ": cannot create pass: "
- << aPass->getPassName() << "\n";
- }
- }
-
#ifndef NDEBUG
if(!NoVerify)
Passes.add(createVerifierPass());
sys::RemoveFileOnSignal(sys::Path(OutputFilename));
}
}
-
+
// Ask the target to add backend passes as necessary.
- if (Target.addPassesToEmitFile(Passes, *Out, FileType)) {
+ if (Target.addPassesToEmitFile(Passes, *Out, FileType, Fast)) {
std::cerr << argv[0] << ": target '" << Target.getName()
<< "' 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.