clang  10.0.0svn
Hexagon.h
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1 //===--- Hexagon.h - Hexagon ToolChain Implementations ----------*- C++ -*-===//
2 //
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
6 //
7 //===----------------------------------------------------------------------===//
8 
9 #ifndef LLVM_CLANG_LIB_DRIVER_TOOLCHAINS_HEXAGON_H
10 #define LLVM_CLANG_LIB_DRIVER_TOOLCHAINS_HEXAGON_H
11 
12 #include "Linux.h"
13 #include "clang/Driver/Tool.h"
14 #include "clang/Driver/ToolChain.h"
15 
16 namespace clang {
17 namespace driver {
18 namespace tools {
19 namespace hexagon {
20 // For Hexagon, we do not need to instantiate tools for PreProcess, PreCompile
21 // and Compile.
22 // We simply use "clang -cc1" for those actions.
23 class LLVM_LIBRARY_VISIBILITY Assembler : public GnuTool {
24 public:
25  Assembler(const ToolChain &TC)
26  : GnuTool("hexagon::Assembler", "hexagon-as", TC) {}
27 
28  bool hasIntegratedCPP() const override { return false; }
29 
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;
36 };
37 
38 class LLVM_LIBRARY_VISIBILITY Linker : public GnuTool {
39 public:
40  Linker(const ToolChain &TC) : GnuTool("hexagon::Linker", "hexagon-ld", TC) {}
41 
42  bool hasIntegratedCPP() const override { return false; }
43  bool isLinkJob() const override { return true; }
44 
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;
51 };
52 
53 void getHexagonTargetFeatures(const Driver &D, const llvm::opt::ArgList &Args,
54  std::vector<StringRef> &Features);
55 
56 } // end namespace hexagon.
57 } // end namespace tools
58 
59 namespace toolchains {
60 
61 class LLVM_LIBRARY_VISIBILITY HexagonToolChain : public Linux {
62 protected:
63  GCCVersion GCCLibAndIncVersion;
64  Tool *buildAssembler() const override;
65  Tool *buildLinker() const override;
66 
67  unsigned getOptimizationLevel(const llvm::opt::ArgList &DriverArgs) const;
68 
69 public:
70  HexagonToolChain(const Driver &D, const llvm::Triple &Triple,
71  const llvm::opt::ArgList &Args);
72  ~HexagonToolChain() override;
73 
74  void addClangTargetOptions(const llvm::opt::ArgList &DriverArgs,
75  llvm::opt::ArgStringList &CC1Args,
76  Action::OffloadKind DeviceOffloadKind) const override;
77  void
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;
83 
84  const char *getDefaultLinker() const override { return "hexagon-link"; }
85 
86  CXXStdlibType GetCXXStdlibType(const llvm::opt::ArgList &Args) const override;
87 
88  StringRef GetGCCLibAndIncVersion() const { return GCCLibAndIncVersion.Text; }
89  bool IsIntegratedAssemblerDefault() const override {
90  return true;
91  }
92 
93  std::string getHexagonTargetDir(
94  const std::string &InstalledDir,
95  const SmallVectorImpl<std::string> &PrefixDirs) const;
96  void getHexagonLibraryPaths(const llvm::opt::ArgList &Args,
97  ToolChain::path_list &LibPaths) const;
98 
99  static bool isAutoHVXEnabled(const llvm::opt::ArgList &Args);
100  static const StringRef GetDefaultCPU();
101  static const StringRef GetTargetCPUVersion(const llvm::opt::ArgList &Args);
102 
103  static Optional<unsigned> getSmallDataThreshold(
104  const llvm::opt::ArgList &Args);
105 };
106 
107 } // end namespace toolchains
108 } // end namespace driver
109 } // end namespace clang
110 
111 #endif // LLVM_CLANG_LIB_DRIVER_TOOLCHAINS_HEXAGON_H
static unsigned getOptimizationLevel(ArgList &Args, InputKind IK, DiagnosticsEngine &Diags)
bool hasIntegratedCPP() const override
Definition: Hexagon.h:28
InputInfo - Wrapper for information about an input source.
Definition: InputInfo.h:22
Driver - Encapsulate logic for constructing compilation processes from a set of gcc-driver-like comma...
Definition: Driver.h:59
Assembler(const ToolChain &TC)
Definition: Hexagon.h:25
bool IsIntegratedAssemblerDefault() const override
IsIntegratedAssemblerDefault - Does this tool chain enable -integrated-as by default.
Definition: Hexagon.h:89
bool hasIntegratedCPP() const override
Definition: Hexagon.h:42
bool isLinkJob() const override
Definition: Hexagon.h:43
Base class for all GNU tools that provide the same behavior when it comes to response files support...
Definition: Gnu.h:40
Dataflow Directional Tag Classes.
void getHexagonTargetFeatures(const Driver &D, const llvm::opt::ArgList &Args, std::vector< StringRef > &Features)
Tool - Information on a specific compilation tool.
Definition: Tool.h:33
Compilation - A set of tasks to perform for a single driver invocation.
Definition: Compilation.h:45
const char * getDefaultLinker() const override
GetDefaultLinker - Get the default linker to use.
Definition: Hexagon.h:84
Linker(const ToolChain &TC)
Definition: Hexagon.h:40
ToolChain - Access to tools for a single platform.
Definition: ToolChain.h:88