forked from OSchip/llvm-project
102 lines
3.6 KiB
C++
102 lines
3.6 KiB
C++
//===--- AMDGPU.cpp - AMDGPU ToolChain Implementations ----------*- C++ -*-===//
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//
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// The LLVM Compiler Infrastructure
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//
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// This file is distributed under the University of Illinois Open Source
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// License. See LICENSE.TXT for details.
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//
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//===----------------------------------------------------------------------===//
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#include "AMDGPU.h"
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#include "CommonArgs.h"
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#include "InputInfo.h"
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#include "clang/Driver/Compilation.h"
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#include "clang/Driver/DriverDiagnostic.h"
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#include "llvm/Option/ArgList.h"
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using namespace clang::driver;
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using namespace clang::driver::tools;
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using namespace clang::driver::toolchains;
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using namespace clang;
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using namespace llvm::opt;
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void amdgpu::Linker::ConstructJob(Compilation &C, const JobAction &JA,
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const InputInfo &Output,
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const InputInfoList &Inputs,
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const ArgList &Args,
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const char *LinkingOutput) const {
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std::string Linker = getToolChain().GetProgramPath(getShortName());
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ArgStringList CmdArgs;
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AddLinkerInputs(getToolChain(), Inputs, Args, CmdArgs, JA);
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CmdArgs.push_back("-shared");
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CmdArgs.push_back("-o");
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CmdArgs.push_back(Output.getFilename());
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C.addCommand(llvm::make_unique<Command>(JA, *this, Args.MakeArgString(Linker),
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CmdArgs, Inputs));
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}
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void amdgpu::getAMDGPUTargetFeatures(const Driver &D,
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const llvm::opt::ArgList &Args,
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std::vector<StringRef> &Features) {
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if (const Arg *dAbi = Args.getLastArg(options::OPT_mamdgpu_debugger_abi)) {
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StringRef value = dAbi->getValue();
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if (value == "1.0") {
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Features.push_back("+amdgpu-debugger-insert-nops");
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Features.push_back("+amdgpu-debugger-reserve-regs");
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Features.push_back("+amdgpu-debugger-emit-prologue");
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} else {
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D.Diag(diag::err_drv_clang_unsupported) << dAbi->getAsString(Args);
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}
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}
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handleTargetFeaturesGroup(
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Args, Features, options::OPT_m_amdgpu_Features_Group);
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}
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/// AMDGPU Toolchain
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AMDGPUToolChain::AMDGPUToolChain(const Driver &D, const llvm::Triple &Triple,
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const ArgList &Args)
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: Generic_ELF(D, Triple, Args),
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OptionsDefault({{options::OPT_O, "3"},
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{options::OPT_cl_std_EQ, "CL1.2"}}) {}
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Tool *AMDGPUToolChain::buildLinker() const {
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return new tools::amdgpu::Linker(*this);
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}
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DerivedArgList *
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AMDGPUToolChain::TranslateArgs(const DerivedArgList &Args, StringRef BoundArch,
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Action::OffloadKind DeviceOffloadKind) const {
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DerivedArgList *DAL =
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Generic_ELF::TranslateArgs(Args, BoundArch, DeviceOffloadKind);
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// Do nothing if not OpenCL (-x cl)
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if (!Args.getLastArgValue(options::OPT_x).equals("cl"))
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return DAL;
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if (!DAL)
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DAL = new DerivedArgList(Args.getBaseArgs());
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for (auto *A : Args)
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DAL->append(A);
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const OptTable &Opts = getDriver().getOpts();
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// Phase 1 (.cl -> .bc)
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if (Args.hasArg(options::OPT_c) && Args.hasArg(options::OPT_emit_llvm)) {
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DAL->AddFlagArg(nullptr, Opts.getOption(getTriple().isArch64Bit()
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? options::OPT_m64
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: options::OPT_m32));
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// Have to check OPT_O4, OPT_O0 & OPT_Ofast separately
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// as they defined that way in Options.td
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if (!Args.hasArg(options::OPT_O, options::OPT_O0, options::OPT_O4,
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options::OPT_Ofast))
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DAL->AddJoinedArg(nullptr, Opts.getOption(options::OPT_O),
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getOptionDefault(options::OPT_O));
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}
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return DAL;
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}
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