C++ (Cpp) TargetMachine Examples

Example #1

File: toobj.cpp Project: jkrempus/ldc

// based on llc code, University of Illinois Open Source License
static void codegenModule(llvm::TargetMachine &Target, llvm::Module& m,
                          llvm::raw_fd_ostream& out, llvm::TargetMachine::CodeGenFileType fileType)
{
    using namespace llvm;

    // Build up all of the passes that we want to do to the module.
    FunctionPassManager Passes(&m);

#if LDC_LLVM_VER >= 302
    if (const DataLayout *DL = Target.getDataLayout())
        Passes.add(new DataLayout(*DL));
    else
        Passes.add(new DataLayout(&m));
#else
    if (const TargetData *TD = Target.getTargetData())
        Passes.add(new TargetData(*TD));
    else
        Passes.add(new TargetData(&m));
#endif

#if LDC_LLVM_VER >= 303
    Target.addAnalysisPasses(Passes);
#endif

    llvm::formatted_raw_ostream fout(out);
    if (Target.addPassesToEmitFile(Passes, fout, fileType, codeGenOptLevel()))
        llvm_unreachable("no support for asm output");

    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();
}

Example #2

File: toobj.cpp Project: GameFusion/ldc

// based on llc code, University of Illinois Open Source License
static void codegenModule(llvm::TargetMachine &Target, llvm::Module& m,
    llvm::raw_fd_ostream& out, llvm::TargetMachine::CodeGenFileType fileType)
{
    using namespace llvm;

    // Create a PassManager to hold and optimize the collection of passes we are
    // about to build.
#if LDC_LLVM_VER >= 307
    legacy::
#endif
    PassManager Passes;

#if LDC_LLVM_VER >= 307
    // The DataLayout is already set at the module (in module.cpp,
    // method Module::genLLVMModule())
    // FIXME: Introduce new command line switch default-data-layout to
    // override the module data layout
#elif LDC_LLVM_VER == 306
    Passes.add(new DataLayoutPass());
#elif LDC_LLVM_VER == 305
    if (const DataLayout *DL = Target.getDataLayout())
        Passes.add(new DataLayoutPass(*DL));
    else
        Passes.add(new DataLayoutPass(&m));
#elif LDC_LLVM_VER >= 302
    if (const DataLayout *DL = Target.getDataLayout())
        Passes.add(new DataLayout(*DL));
    else
        Passes.add(new DataLayout(&m));
#else
    if (const TargetData *TD = Target.getTargetData())
        Passes.add(new TargetData(*TD));
    else
        Passes.add(new TargetData(&m));
#endif

#if LDC_LLVM_VER >= 307
    // Add internal analysis passes from the target machine.
    Passes.add(createTargetTransformInfoWrapperPass(Target.getTargetIRAnalysis()));
#elif LDC_LLVM_VER >= 303
    Target.addAnalysisPasses(Passes);
#endif

#if LDC_LLVM_VER < 307
    llvm::formatted_raw_ostream fout(out);
#endif
    if (Target.addPassesToEmitFile(Passes,
#if LDC_LLVM_VER >= 307
            out,
#else
            fout,
#endif
            fileType, codeGenOptLevel()))
        llvm_unreachable("no support for asm output");

    Passes.run(m);
}