xref: /freebsd/contrib/llvm-project/clang/lib/Driver/ToolChains/MSVC.h (revision cfd6422a5217410fbd66f7a7a8a64d9d85e61229)
1 //===--- MSVC.h - MSVC 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_MSVC_H
10 #define LLVM_CLANG_LIB_DRIVER_TOOLCHAINS_MSVC_H
11 
12 #include "AMDGPU.h"
13 #include "Cuda.h"
14 #include "clang/Basic/DebugInfoOptions.h"
15 #include "clang/Driver/Compilation.h"
16 #include "clang/Driver/Tool.h"
17 #include "clang/Driver/ToolChain.h"
18 
19 namespace clang {
20 namespace driver {
21 namespace tools {
22 
23 /// Visual studio tools.
24 namespace visualstudio {
25 class LLVM_LIBRARY_VISIBILITY Linker : public Tool {
26 public:
27   Linker(const ToolChain &TC) : Tool("visualstudio::Linker", "linker", TC) {}
28 
29   bool hasIntegratedCPP() const override { return false; }
30   bool isLinkJob() const override { return true; }
31 
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 Compiler : public Tool {
39 public:
40   Compiler(const ToolChain &TC)
41       : Tool("visualstudio::Compiler", "compiler", TC) {}
42 
43   bool hasIntegratedAssembler() const override { return true; }
44   bool hasIntegratedCPP() const override { return true; }
45   bool isLinkJob() const override { return false; }
46 
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   std::unique_ptr<Command> GetCommand(Compilation &C, const JobAction &JA,
53                                       const InputInfo &Output,
54                                       const InputInfoList &Inputs,
55                                       const llvm::opt::ArgList &TCArgs,
56                                       const char *LinkingOutput) const;
57 };
58 } // end namespace visualstudio
59 
60 } // end namespace tools
61 
62 namespace toolchains {
63 
64 class LLVM_LIBRARY_VISIBILITY MSVCToolChain : public ToolChain {
65 public:
66   MSVCToolChain(const Driver &D, const llvm::Triple &Triple,
67                 const llvm::opt::ArgList &Args);
68 
69   llvm::opt::DerivedArgList *
70   TranslateArgs(const llvm::opt::DerivedArgList &Args, StringRef BoundArch,
71                 Action::OffloadKind DeviceOffloadKind) const override;
72 
73   bool IsIntegratedAssemblerDefault() const override;
74   bool IsUnwindTablesDefault(const llvm::opt::ArgList &Args) const override;
75   bool isPICDefault() const override;
76   bool isPIEDefault() const override;
77   bool isPICDefaultForced() const override;
78 
79   /// Set CodeView as the default debug info format for non-MachO binary
80   /// formats, and to DWARF otherwise. Users can use -gcodeview and -gdwarf to
81   /// override the default.
82   codegenoptions::DebugInfoFormat getDefaultDebugFormat() const override {
83     return getTriple().isOSBinFormatMachO() ? codegenoptions::DIF_DWARF
84                                             : codegenoptions::DIF_CodeView;
85   }
86 
87   /// Set the debugger tuning to "default", since we're definitely not tuning
88   /// for GDB.
89   llvm::DebuggerKind getDefaultDebuggerTuning() const override {
90     return llvm::DebuggerKind::Default;
91   }
92 
93   enum class SubDirectoryType {
94     Bin,
95     Include,
96     Lib,
97   };
98   std::string getSubDirectoryPath(SubDirectoryType Type,
99                                   llvm::StringRef SubdirParent,
100                                   llvm::Triple::ArchType TargetArch) const;
101 
102   // Convenience overload.
103   // Uses the current target arch.
104   std::string getSubDirectoryPath(SubDirectoryType Type,
105                                   llvm::StringRef SubdirParent = "") const {
106     return getSubDirectoryPath(Type, SubdirParent, getArch());
107   }
108 
109   enum class ToolsetLayout {
110     OlderVS,
111     VS2017OrNewer,
112     DevDivInternal,
113   };
114   bool getIsVS2017OrNewer() const { return VSLayout == ToolsetLayout::VS2017OrNewer; }
115 
116   void
117   AddClangSystemIncludeArgs(const llvm::opt::ArgList &DriverArgs,
118                             llvm::opt::ArgStringList &CC1Args) const override;
119   void AddClangCXXStdlibIncludeArgs(
120       const llvm::opt::ArgList &DriverArgs,
121       llvm::opt::ArgStringList &CC1Args) const override;
122 
123   void AddCudaIncludeArgs(const llvm::opt::ArgList &DriverArgs,
124                           llvm::opt::ArgStringList &CC1Args) const override;
125 
126   void AddHIPIncludeArgs(const llvm::opt::ArgList &DriverArgs,
127                          llvm::opt::ArgStringList &CC1Args) const override;
128 
129   bool getWindowsSDKLibraryPath(std::string &path) const;
130   /// Check if Universal CRT should be used if available
131   bool getUniversalCRTLibraryPath(std::string &path) const;
132   bool useUniversalCRT() const;
133   VersionTuple
134   computeMSVCVersion(const Driver *D,
135                      const llvm::opt::ArgList &Args) const override;
136 
137   std::string ComputeEffectiveClangTriple(const llvm::opt::ArgList &Args,
138                                           types::ID InputType) const override;
139   SanitizerMask getSupportedSanitizers() const override;
140 
141   void printVerboseInfo(raw_ostream &OS) const override;
142 
143   bool FoundMSVCInstall() const { return !VCToolChainPath.empty(); }
144 
145 protected:
146   void AddSystemIncludeWithSubfolder(const llvm::opt::ArgList &DriverArgs,
147                                      llvm::opt::ArgStringList &CC1Args,
148                                      const std::string &folder,
149                                      const Twine &subfolder1,
150                                      const Twine &subfolder2 = "",
151                                      const Twine &subfolder3 = "") const;
152 
153   Tool *buildLinker() const override;
154   Tool *buildAssembler() const override;
155 private:
156   std::string VCToolChainPath;
157   ToolsetLayout VSLayout = ToolsetLayout::OlderVS;
158   CudaInstallationDetector CudaInstallation;
159   RocmInstallationDetector RocmInstallation;
160 };
161 
162 } // end namespace toolchains
163 } // end namespace driver
164 } // end namespace clang
165 
166 #endif // LLVM_CLANG_LIB_DRIVER_TOOLCHAINS_MSVC_H
167