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 "LazyDetector.h"
15#include "clang/Driver/Compilation.h"
16#include "clang/Driver/Tool.h"
17#include "clang/Driver/ToolChain.h"
18#include "llvm/Frontend/Debug/Options.h"
19#include "llvm/WindowsDriver/MSVCPaths.h"
20
21namespace clang {
22namespace driver {
23namespace tools {
24
25/// Visual studio tools.
26namespace visualstudio {
27class LLVM_LIBRARY_VISIBILITY Linker final : public Tool {
28public:
29 Linker(const ToolChain &TC) : Tool("visualstudio::Linker", "linker", TC) {}
30
31 bool hasIntegratedCPP() const override { return false; }
32 bool isLinkJob() const override { return true; }
33
34 void ConstructJob(Compilation &C, const JobAction &JA,
35 const InputInfo &Output, const InputInfoList &Inputs,
36 const llvm::opt::ArgList &TCArgs,
37 const char *LinkingOutput) const override;
38};
39} // end namespace visualstudio
40
41} // end namespace tools
42
43namespace toolchains {
44
45class LLVM_LIBRARY_VISIBILITY MSVCToolChain : public ToolChain {
46public:
47 MSVCToolChain(const Driver &D, const llvm::Triple &Triple,
48 const llvm::opt::ArgList &Args);
49
50 llvm::opt::DerivedArgList *
51 TranslateArgs(const llvm::opt::DerivedArgList &Args, StringRef BoundArch,
52 Action::OffloadKind DeviceOffloadKind) const override;
53
54 UnwindTableLevel
55 getDefaultUnwindTableLevel(const llvm::opt::ArgList &Args) const override;
56 bool isPICDefault() const override;
57 bool isPIEDefault(const llvm::opt::ArgList &Args) const override;
58 bool isPICDefaultForced() const override;
59
60 /// Set CodeView as the default debug info format for non-MachO binary
61 /// formats, and to DWARF otherwise. Users can use -gcodeview and -gdwarf to
62 /// override the default.
63 llvm::codegenoptions::DebugInfoFormat getDefaultDebugFormat() const override {
64 return getTriple().isOSBinFormatMachO()
65 ? llvm::codegenoptions::DIF_DWARF
66 : llvm::codegenoptions::DIF_CodeView;
67 }
68
69 /// Set the debugger tuning to "default", since we're definitely not tuning
70 /// for GDB.
71 llvm::DebuggerKind getDefaultDebuggerTuning() const override {
72 return llvm::DebuggerKind::Default;
73 }
74
75 unsigned GetDefaultDwarfVersion() const override {
76 return 4;
77 }
78
79 std::string getSubDirectoryPath(llvm::SubDirectoryType Type,
80 llvm::StringRef SubdirParent = "") const;
81 std::string getSubDirectoryPath(llvm::SubDirectoryType Type,
82 llvm::Triple::ArchType TargetArch) const;
83
84 bool getIsVS2017OrNewer() const {
85 return VSLayout == llvm::ToolsetLayout::VS2017OrNewer;
86 }
87
88 void
89 AddClangSystemIncludeArgs(const llvm::opt::ArgList &DriverArgs,
90 llvm::opt::ArgStringList &CC1Args) const override;
91 void AddClangCXXStdlibIncludeArgs(
92 const llvm::opt::ArgList &DriverArgs,
93 llvm::opt::ArgStringList &CC1Args) const override;
94
95 void AddCudaIncludeArgs(const llvm::opt::ArgList &DriverArgs,
96 llvm::opt::ArgStringList &CC1Args) const override;
97
98 void AddHIPIncludeArgs(const llvm::opt::ArgList &DriverArgs,
99 llvm::opt::ArgStringList &CC1Args) const override;
100
101 void AddHIPRuntimeLibArgs(const llvm::opt::ArgList &Args,
102 llvm::opt::ArgStringList &CmdArgs) const override;
103
104 bool getWindowsSDKLibraryPath(
105 const llvm::opt::ArgList &Args, std::string &path) const;
106 bool getUniversalCRTLibraryPath(const llvm::opt::ArgList &Args,
107 std::string &path) const;
108 bool useUniversalCRT() const;
109 VersionTuple
110 computeMSVCVersion(const Driver *D,
111 const llvm::opt::ArgList &Args) const override;
112
113 std::string ComputeEffectiveClangTriple(const llvm::opt::ArgList &Args,
114 types::ID InputType) const override;
115 SanitizerMask getSupportedSanitizers() const override;
116
117 void printVerboseInfo(raw_ostream &OS) const override;
118
119 bool FoundMSVCInstall() const { return !VCToolChainPath.empty(); }
120
121 void
122 addClangTargetOptions(const llvm::opt::ArgList &DriverArgs,
123 llvm::opt::ArgStringList &CC1Args,
124 Action::OffloadKind DeviceOffloadKind) const override;
125
126protected:
127 void AddSystemIncludeWithSubfolder(const llvm::opt::ArgList &DriverArgs,
128 llvm::opt::ArgStringList &CC1Args,
129 const std::string &folder,
130 const Twine &subfolder1,
131 const Twine &subfolder2 = "",
132 const Twine &subfolder3 = "") const;
133
134 Tool *buildLinker() const override;
135 Tool *buildAssembler() const override;
136private:
137 std::optional<llvm::StringRef> WinSdkDir, WinSdkVersion, WinSysRoot;
138 std::string VCToolChainPath;
139 llvm::ToolsetLayout VSLayout = llvm::ToolsetLayout::OlderVS;
140 LazyDetector<CudaInstallationDetector> CudaInstallation;
141 LazyDetector<RocmInstallationDetector> RocmInstallation;
142};
143
144} // end namespace toolchains
145} // end namespace driver
146} // end namespace clang
147
148#endif // LLVM_CLANG_LIB_DRIVER_TOOLCHAINS_MSVC_H
149

source code of clang/lib/Driver/ToolChains/MSVC.h