1 //===--- AMDGPU.h - AMDGPU 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_AMDGPU_H
10 #define LLVM_CLANG_LIB_DRIVER_TOOLCHAINS_AMDGPU_H
11 
12 #include "Gnu.h"
13 #include "clang/Driver/Options.h"
14 #include "clang/Driver/Tool.h"
15 #include "clang/Driver/ToolChain.h"
16 #include <map>
17 
18 namespace clang {
19 namespace driver {
20 namespace tools {
21 namespace amdgpu {
22 
23 class LLVM_LIBRARY_VISIBILITY Linker : public GnuTool {
24 public:
25   Linker(const ToolChain &TC) : GnuTool("amdgpu::Linker", "ld.lld", TC) {}
26   bool isLinkJob() const override { return true; }
27   bool hasIntegratedCPP() const override { return false; }
28   void ConstructJob(Compilation &C, const JobAction &JA,
29                     const InputInfo &Output, const InputInfoList &Inputs,
30                     const llvm::opt::ArgList &TCArgs,
31                     const char *LinkingOutput) const override;
32 };
33 
34 void getAMDGPUTargetFeatures(const Driver &D, const llvm::opt::ArgList &Args,
35                              std::vector<StringRef> &Features);
36 
37 } // end namespace amdgpu
38 } // end namespace tools
39 
40 namespace toolchains {
41 
42 class LLVM_LIBRARY_VISIBILITY AMDGPUToolChain : public Generic_ELF {
43 
44 private:
45   const std::map<options::ID, const StringRef> OptionsDefault;
46 
47 protected:
48   Tool *buildLinker() const override;
49   const StringRef getOptionDefault(options::ID OptID) const {
50     auto opt = OptionsDefault.find(OptID);
51     assert(opt != OptionsDefault.end() && "No Default for Option");
52     return opt->second;
53   }
54 
55 public:
56   AMDGPUToolChain(const Driver &D, const llvm::Triple &Triple,
57                   const llvm::opt::ArgList &Args);
58   unsigned GetDefaultDwarfVersion() const override { return 4; }
59   bool IsIntegratedAssemblerDefault() const override { return true; }
60   bool IsMathErrnoDefault() const override { return false; }
61 
62   llvm::opt::DerivedArgList *
63   TranslateArgs(const llvm::opt::DerivedArgList &Args, StringRef BoundArch,
64                 Action::OffloadKind DeviceOffloadKind) const override;
65 
66   void addClangTargetOptions(const llvm::opt::ArgList &DriverArgs,
67                              llvm::opt::ArgStringList &CC1Args,
68                              Action::OffloadKind DeviceOffloadKind) const override;
69 };
70 
71 } // end namespace toolchains
72 } // end namespace driver
73 } // end namespace clang
74 
75 #endif // LLVM_CLANG_LIB_DRIVER_TOOLCHAINS_AMDGPU_H
76