1 //===--- Flang.h - Flang Tool and 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_FLANG_H
10 #define LLVM_CLANG_LIB_DRIVER_TOOLCHAINS_FLANG_H
11 
12 #include "clang/Driver/Tool.h"
13 #include "clang/Driver/Action.h"
14 #include "clang/Driver/Compilation.h"
15 #include "clang/Driver/ToolChain.h"
16 #include "llvm/Option/ArgList.h"
17 #include "llvm/Support/Compiler.h"
18 
19 namespace clang {
20 namespace driver {
21 
22 namespace tools {
23 
24 /// Flang compiler tool.
25 class LLVM_LIBRARY_VISIBILITY Flang : public Tool {
26 private:
27   /// Extract fortran dialect options from the driver arguments and add them to
28   /// the list of arguments for the generated command/job.
29   ///
30   /// \param [in] Args The list of input driver arguments
31   /// \param [out] CmdArgs The list of output command arguments
32   void addFortranDialectOptions(const llvm::opt::ArgList &Args,
33                                 llvm::opt::ArgStringList &CmdArgs) const;
34 
35   /// Extract preprocessing options from the driver arguments and add them to
36   /// the preprocessor command arguments.
37   ///
38   /// \param [in] Args The list of input driver arguments
39   /// \param [out] CmdArgs The list of output command arguments
40   void addPreprocessingOptions(const llvm::opt::ArgList &Args,
41                                llvm::opt::ArgStringList &CmdArgs) const;
42 
43   /// Extract PIC options from the driver arguments and add them to
44   /// the command arguments.
45   ///
46   /// \param [in] Args The list of input driver arguments
47   /// \param [out] CmdArgs The list of output command arguments
48   void addPicOptions(const llvm::opt::ArgList &Args,
49                      llvm::opt::ArgStringList &CmdArgs) const;
50 
51   /// Extract target options from the driver arguments and add them to
52   /// the command arguments.
53   ///
54   /// \param [in] Args The list of input driver arguments
55   /// \param [out] CmdArgs The list of output command arguments
56   void addTargetOptions(const llvm::opt::ArgList &Args,
57                         llvm::opt::ArgStringList &CmdArgs) const;
58 
59   /// Add specific options for AArch64 target.
60   ///
61   /// \param [in] Args The list of input driver arguments
62   /// \param [out] CmdArgs The list of output command arguments
63   void AddAArch64TargetArgs(const llvm::opt::ArgList &Args,
64                             llvm::opt::ArgStringList &CmdArgs) const;
65 
66   /// Add specific options for AMDGPU target.
67   ///
68   /// \param [in] Args The list of input driver arguments
69   /// \param [out] CmdArgs The list of output command arguments
70   void AddAMDGPUTargetArgs(const llvm::opt::ArgList &Args,
71                            llvm::opt::ArgStringList &CmdArgs) const;
72 
73   /// Extract offload options from the driver arguments and add them to
74   /// the command arguments.
75   /// \param [in] C The current compilation for the driver invocation
76   /// \param [in] Inputs The input infomration on the current file inputs
77   /// \param [in] JA The job action
78   /// \param [in] Args The list of input driver arguments
79   /// \param [out] CmdArgs The list of output command arguments
80   void addOffloadOptions(Compilation &C, const InputInfoList &Inputs,
81                          const JobAction &JA, const llvm::opt::ArgList &Args,
82                          llvm::opt::ArgStringList &CmdArgs) const;
83 
84   /// Extract options for code generation from the driver arguments and add them
85   /// to the command arguments.
86   ///
87   /// \param [in] Args The list of input driver arguments
88   /// \param [out] CmdArgs The list of output command arguments
89   void addCodegenOptions(const llvm::opt::ArgList &Args,
90                          llvm::opt::ArgStringList &CmdArgs) const;
91 
92   /// Extract other compilation options from the driver arguments and add them
93   /// to the command arguments.
94   ///
95   /// \param [in] Args The list of input driver arguments
96   /// \param [out] CmdArgs The list of output command arguments
97   void addOtherOptions(const llvm::opt::ArgList &Args,
98                        llvm::opt::ArgStringList &CmdArgs) const;
99 
100 public:
101   Flang(const ToolChain &TC);
102   ~Flang() override;
103 
104   bool hasGoodDiagnostics() const override { return true; }
105   bool hasIntegratedAssembler() const override { return true; }
106   bool hasIntegratedCPP() const override { return true; }
107   bool canEmitIR() const override { return true; }
108 
109   void ConstructJob(Compilation &C, const JobAction &JA,
110                     const InputInfo &Output, const InputInfoList &Inputs,
111                     const llvm::opt::ArgList &TCArgs,
112                     const char *LinkingOutput) const override;
113 };
114 
115 } // end namespace tools
116 
117 } // end namespace driver
118 } // end namespace clang
119 
120 #endif // LLVM_CLANG_LIB_DRIVER_TOOLCHAINS_FLANG_H
121