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Move to separate function and cleanup.

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This commit is contained in:
Christian Kamm
2008-10-11 11:41:56 +02:00
parent 7b20402e0b
commit 3e4bb69ef3
1 changed files with 69 additions and 58 deletions
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127
gen/toobj.cpp
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@@ -56,6 +56,9 @@
// in gen/optimize.cpp
void ldc_optimize_module(llvm::Module* m, char lvl, bool doinline);
// fwd decl
void write_asm_to_file(llvm::Module& m, llvm::raw_fd_ostream& Out);
//////////////////////////////////////////////////////////////////////////////////////////
void Module::genobjfile(int multiobj)
@@ -195,66 +198,14 @@ void Module::genobjfile(int multiobj)
ir.module->print(aos, NULL);
}
//TODO: Move all of this into a helper function?
//TODO: command line switch
if(false)
{
using namespace llvm;
//FIXME: Proper out file name.
std::string Err;
raw_fd_ostream Out("test.s", Err);
if(!Err.empty()) {}
const TargetMachineRegistry::entry* MArch;
MArch = TargetMachineRegistry::getClosestStaticTargetForModule(*ir.module, Err);
if (MArch == 0) {
error("error auto-selecting target for module '%s'", Err.c_str());
fatal();
}
SubtargetFeatures Features;
//TODO: Features?
// Features.setCPU(MCPU);
// for (unsigned i = 0; i != MAttrs.size(); ++i)
// Features.AddFeature(MAttrs[i]);
//TODO: Set PIC if shared (or just do it always?)
// TargetMachine::setRelocationModel(...);
std::auto_ptr<TargetMachine> target(MArch->CtorFn(*ir.module, Features.getString()));
assert(target.get() && "Could not allocate target machine!");
TargetMachine &Target = *target.get();
// Build up all of the passes that we want to do to the module.
ExistingModuleProvider Provider(ir.module);
FunctionPassManager Passes(&Provider);
//FIXME does this TargetData match gTargetData?
Passes.add(new TargetData(*Target.getTargetData()));
// Ask the target to add backend passes as necessary.
MachineCodeEmitter *MCE = 0;
//TODO: May want to switch it on for -O0?
bool Fast = false;
FileModel::Model mod = Target.addPassesToEmitFile(Passes, Out, TargetMachine::AssemblyFile, Fast);
assert(mod == FileModel::AsmFile);
bool err = Target.addPassesToEmitFileFinish(Passes, MCE, Fast);
assert(!err);
Passes.doInitialization();
// Run our queue of passes all at once now, efficiently.
for (llvm::Module::iterator I = ir.module->begin(), E = ir.module->end(); I != E; ++I)
if (!I->isDeclaration())
Passes.run(*I);
Passes.doFinalization();
// release module from module provider so we can delete it ourselves
llvm::Module* rmod = Provider.releaseModule(&Err);
assert(rmod);
//FIXME: Proper out file name.
Logger::println("Writing native asm to: %s\n", "");
std::string err;
llvm::raw_fd_ostream out("test.s", err);
write_asm_to_file(*ir.module, out);
}
delete ir.module;
@@ -269,6 +220,66 @@ void Module::genobjfile(int multiobj)
/* ================================================================== */
void write_asm_to_file(llvm::Module& m, llvm::raw_fd_ostream& out)
{
using namespace llvm;
std::string Err;
const TargetMachineRegistry::entry* MArch;
MArch = TargetMachineRegistry::getClosestStaticTargetForModule(m, Err);
if (MArch == 0) {
error("error auto-selecting target for module '%s'", Err.c_str());
fatal();
}
SubtargetFeatures Features;
//TODO: Features?
// Features.setCPU(MCPU);
// for (unsigned i = 0; i != MAttrs.size(); ++i)
// Features.AddFeature(MAttrs[i]);
//FIXME: Only set this if required?
TargetMachine::setRelocationModel(Reloc::PIC_);
std::auto_ptr<TargetMachine> target(MArch->CtorFn(m, Features.getString()));
assert(target.get() && "Could not allocate target machine!");
TargetMachine &Target = *target.get();
// Build up all of the passes that we want to do to the module.
ExistingModuleProvider Provider(&m);
FunctionPassManager Passes(&Provider);
//FIXME: Will gTargetData always be Target.getTargetData anyway?
assert(gTargetData->getStringRepresentation() == Target.getTargetData()->getStringRepresentation());
Passes.add(new TargetData(*Target.getTargetData()));
// Ask the target to add backend passes as necessary.
MachineCodeEmitter *MCE = 0;
//TODO: May want to switch it on for -O0?
bool Fast = false;
FileModel::Model mod = Target.addPassesToEmitFile(Passes, out, TargetMachine::AssemblyFile, Fast);
assert(mod == FileModel::AsmFile);
bool err = Target.addPassesToEmitFileFinish(Passes, MCE, Fast);
assert(!err);
Passes.doInitialization();
// Run our queue of passes all at once now, efficiently.
for (llvm::Module::iterator I = m.begin(), E = m.end(); I != E; ++I)
if (!I->isDeclaration())
Passes.run(*I);
Passes.doFinalization();
// release module from module provider so we can delete it ourselves
llvm::Module* rmod = Provider.releaseModule(&Err);
assert(rmod);
}
/* ================================================================== */
// build module ctor
static llvm::Function* build_module_ctor()