1 //===--- Hexagon.h - Hexagon ToolChain Implementations ----------*- C++ -*-===//
3 // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
4 // See https://llvm.org/LICENSE.txt for license information.
5 // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
7 //===----------------------------------------------------------------------===//
9 #ifndef LLVM_CLANG_LIB_DRIVER_TOOLCHAINS_HEXAGON_H
10 #define LLVM_CLANG_LIB_DRIVER_TOOLCHAINS_HEXAGON_H
13 #include "clang/Driver/Tool.h"
14 #include "clang/Driver/ToolChain.h"
20 // For Hexagon, we do not need to instantiate tools for PreProcess, PreCompile
22 // We simply use "clang -cc1" for those actions.
23 class LLVM_LIBRARY_VISIBILITY Assembler : public Tool {
25 Assembler(const ToolChain &TC)
26 : Tool("hexagon::Assembler", "hexagon-as", TC) {}
28 bool hasIntegratedCPP() const override { return false; }
30 void RenderExtraToolArgs(const JobAction &JA,
31 llvm::opt::ArgStringList &CmdArgs) const;
32 void ConstructJob(Compilation &C, const JobAction &JA,
33 const InputInfo &Output, const InputInfoList &Inputs,
34 const llvm::opt::ArgList &TCArgs,
35 const char *LinkingOutput) const override;
38 class LLVM_LIBRARY_VISIBILITY Linker : public Tool {
40 Linker(const ToolChain &TC) : Tool("hexagon::Linker", "hexagon-ld", TC) {}
42 bool hasIntegratedCPP() const override { return false; }
43 bool isLinkJob() const override { return true; }
45 virtual void RenderExtraToolArgs(const JobAction &JA,
46 llvm::opt::ArgStringList &CmdArgs) const;
47 void ConstructJob(Compilation &C, const JobAction &JA,
48 const InputInfo &Output, const InputInfoList &Inputs,
49 const llvm::opt::ArgList &TCArgs,
50 const char *LinkingOutput) const override;
53 void getHexagonTargetFeatures(const Driver &D, const llvm::opt::ArgList &Args,
54 std::vector<StringRef> &Features);
56 } // end namespace hexagon.
57 } // end namespace tools
59 namespace toolchains {
61 class LLVM_LIBRARY_VISIBILITY HexagonToolChain : public Linux {
63 GCCVersion GCCLibAndIncVersion;
64 Tool *buildAssembler() const override;
65 Tool *buildLinker() const override;
67 unsigned getOptimizationLevel(const llvm::opt::ArgList &DriverArgs) const;
70 HexagonToolChain(const Driver &D, const llvm::Triple &Triple,
71 const llvm::opt::ArgList &Args);
72 ~HexagonToolChain() override;
74 void addClangTargetOptions(const llvm::opt::ArgList &DriverArgs,
75 llvm::opt::ArgStringList &CC1Args,
76 Action::OffloadKind DeviceOffloadKind) const override;
78 AddClangSystemIncludeArgs(const llvm::opt::ArgList &DriverArgs,
79 llvm::opt::ArgStringList &CC1Args) const override;
80 void addLibStdCxxIncludePaths(
81 const llvm::opt::ArgList &DriverArgs,
82 llvm::opt::ArgStringList &CC1Args) const override;
84 void addLibCxxIncludePaths(const llvm::opt::ArgList &DriverArgs,
85 llvm::opt::ArgStringList &CC1Args) const override;
87 const char *getDefaultLinker() const override {
88 return getTriple().isMusl() ? "ld.lld" : "hexagon-link";
91 CXXStdlibType GetCXXStdlibType(const llvm::opt::ArgList &Args) const override;
93 void AddCXXStdlibLibArgs(const llvm::opt::ArgList &Args,
94 llvm::opt::ArgStringList &CmdArgs) const override;
96 StringRef GetGCCLibAndIncVersion() const { return GCCLibAndIncVersion.Text; }
97 bool IsIntegratedAssemblerDefault() const override {
101 std::string getHexagonTargetDir(
102 const std::string &InstalledDir,
103 const SmallVectorImpl<std::string> &PrefixDirs) const;
104 void getHexagonLibraryPaths(const llvm::opt::ArgList &Args,
105 ToolChain::path_list &LibPaths) const;
107 static bool isAutoHVXEnabled(const llvm::opt::ArgList &Args);
108 static const StringRef GetDefaultCPU();
109 static const StringRef GetTargetCPUVersion(const llvm::opt::ArgList &Args);
111 static Optional<unsigned> getSmallDataThreshold(
112 const llvm::opt::ArgList &Args);
115 } // end namespace toolchains
116 } // end namespace driver
117 } // end namespace clang
119 #endif // LLVM_CLANG_LIB_DRIVER_TOOLCHAINS_HEXAGON_H