Hexagon.h
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//===--- Hexagon.h - Hexagon ToolChain Implementations ----------*- C++ -*-===//
//
// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
// See https://llvm.org/LICENSE.txt for license information.
// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
//
//===----------------------------------------------------------------------===//
#ifndef LLVM_CLANG_LIB_DRIVER_TOOLCHAINS_HEXAGON_H
#define LLVM_CLANG_LIB_DRIVER_TOOLCHAINS_HEXAGON_H
#include "Linux.h"
#include "clang/Driver/Tool.h"
#include "clang/Driver/ToolChain.h"
namespace clang {
namespace driver {
namespace tools {
namespace hexagon {
// For Hexagon, we do not need to instantiate tools for PreProcess, PreCompile
// and Compile.
// We simply use "clang -cc1" for those actions.
class LLVM_LIBRARY_VISIBILITY Assembler : public Tool {
public:
Assembler(const ToolChain &TC)
: Tool("hexagon::Assembler", "hexagon-as", TC) {}
bool hasIntegratedCPP() const override { return false; }
void RenderExtraToolArgs(const JobAction &JA,
llvm::opt::ArgStringList &CmdArgs) const;
void ConstructJob(Compilation &C, const JobAction &JA,
const InputInfo &Output, const InputInfoList &Inputs,
const llvm::opt::ArgList &TCArgs,
const char *LinkingOutput) const override;
};
class LLVM_LIBRARY_VISIBILITY Linker : public Tool {
public:
Linker(const ToolChain &TC) : Tool("hexagon::Linker", "hexagon-ld", TC) {}
bool hasIntegratedCPP() const override { return false; }
bool isLinkJob() const override { return true; }
virtual void RenderExtraToolArgs(const JobAction &JA,
llvm::opt::ArgStringList &CmdArgs) const;
void ConstructJob(Compilation &C, const JobAction &JA,
const InputInfo &Output, const InputInfoList &Inputs,
const llvm::opt::ArgList &TCArgs,
const char *LinkingOutput) const override;
};
void getHexagonTargetFeatures(const Driver &D, const llvm::opt::ArgList &Args,
std::vector<StringRef> &Features);
} // end namespace hexagon.
} // end namespace tools
namespace toolchains {
class LLVM_LIBRARY_VISIBILITY HexagonToolChain : public Linux {
protected:
GCCVersion GCCLibAndIncVersion;
Tool *buildAssembler() const override;
Tool *buildLinker() const override;
unsigned getOptimizationLevel(const llvm::opt::ArgList &DriverArgs) const;
public:
HexagonToolChain(const Driver &D, const llvm::Triple &Triple,
const llvm::opt::ArgList &Args);
~HexagonToolChain() override;
void addClangTargetOptions(const llvm::opt::ArgList &DriverArgs,
llvm::opt::ArgStringList &CC1Args,
Action::OffloadKind DeviceOffloadKind) const override;
void
AddClangSystemIncludeArgs(const llvm::opt::ArgList &DriverArgs,
llvm::opt::ArgStringList &CC1Args) const override;
void addLibStdCxxIncludePaths(
const llvm::opt::ArgList &DriverArgs,
llvm::opt::ArgStringList &CC1Args) const override;
void addLibCxxIncludePaths(const llvm::opt::ArgList &DriverArgs,
llvm::opt::ArgStringList &CC1Args) const override;
const char *getDefaultLinker() const override {
return getTriple().isMusl() ? "ld.lld" : "hexagon-link";
}
CXXStdlibType GetCXXStdlibType(const llvm::opt::ArgList &Args) const override;
void AddCXXStdlibLibArgs(const llvm::opt::ArgList &Args,
llvm::opt::ArgStringList &CmdArgs) const override;
StringRef GetGCCLibAndIncVersion() const { return GCCLibAndIncVersion.Text; }
bool IsIntegratedAssemblerDefault() const override {
return true;
}
std::string getHexagonTargetDir(
const std::string &InstalledDir,
const SmallVectorImpl<std::string> &PrefixDirs) const;
void getHexagonLibraryPaths(const llvm::opt::ArgList &Args,
ToolChain::path_list &LibPaths) const;
static bool isAutoHVXEnabled(const llvm::opt::ArgList &Args);
static const StringRef GetDefaultCPU();
static const StringRef GetTargetCPUVersion(const llvm::opt::ArgList &Args);
static Optional<unsigned> getSmallDataThreshold(
const llvm::opt::ArgList &Args);
};
} // end namespace toolchains
} // end namespace driver
} // end namespace clang
#endif // LLVM_CLANG_LIB_DRIVER_TOOLCHAINS_HEXAGON_H