clang 10.0.0git

AMDGPU.cpp
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1 //===--- AMDGPU.cpp - 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 #include "AMDGPU.h"
10 #include "CommonArgs.h"
11 #include "InputInfo.h"
12 #include "clang/Driver/Compilation.h"
13 #include "clang/Driver/DriverDiagnostic.h"
14 #include "llvm/Option/ArgList.h"
15
16 using namespace clang::driver;
17 using namespace clang::driver::tools;
18 using namespace clang::driver::toolchains;
19 using namespace clang;
20 using namespace llvm::opt;
21
22 void amdgpu::Linker::ConstructJob(Compilation &C, const JobAction &JA,
23 const InputInfo &Output,
24 const InputInfoList &Inputs,
25 const ArgList &Args,
26 const char *LinkingOutput) const {
27
28 std::string Linker = getToolChain().GetProgramPath(getShortName());
29 ArgStringList CmdArgs;
30 AddLinkerInputs(getToolChain(), Inputs, Args, CmdArgs, JA);
31 CmdArgs.push_back("-shared");
32 CmdArgs.push_back("-o");
33 CmdArgs.push_back(Output.getFilename());
34 C.addCommand(std::make_unique<Command>(JA, *this, Args.MakeArgString(Linker),
35 CmdArgs, Inputs));
36 }
37
38 void amdgpu::getAMDGPUTargetFeatures(const Driver &D,
39 const llvm::opt::ArgList &Args,
40 std::vector<StringRef> &Features) {
41 if (const Arg *dAbi = Args.getLastArg(options::OPT_mamdgpu_debugger_abi))
42 D.Diag(diag::err_drv_clang_unsupported) << dAbi->getAsString(Args);
43
44 if (Args.getLastArg(options::OPT_mwavefrontsize64)) {
45 Features.push_back("-wavefrontsize16");
46 Features.push_back("-wavefrontsize32");
47 Features.push_back("+wavefrontsize64");
48 }
49 if (Args.getLastArg(options::OPT_mno_wavefrontsize64)) {
50 Features.push_back("-wavefrontsize16");
51 Features.push_back("+wavefrontsize32");
52 Features.push_back("-wavefrontsize64");
53 }
54
55 handleTargetFeaturesGroup(
56 Args, Features, options::OPT_m_amdgpu_Features_Group);
57 }
58
59 /// AMDGPU Toolchain
60 AMDGPUToolChain::AMDGPUToolChain(const Driver &D, const llvm::Triple &Triple,
61 const ArgList &Args)
62 : Generic_ELF(D, Triple, Args),
63 OptionsDefault({{options::OPT_O, "3"},
64 {options::OPT_cl_std_EQ, "CL1.2"}}) {}
65
66 Tool *AMDGPUToolChain::buildLinker() const {
67 return new tools::amdgpu::Linker(*this);
68 }
69
70 DerivedArgList *
71 AMDGPUToolChain::TranslateArgs(const DerivedArgList &Args, StringRef BoundArch,
72 Action::OffloadKind DeviceOffloadKind) const {
73
74 DerivedArgList *DAL =
75 Generic_ELF::TranslateArgs(Args, BoundArch, DeviceOffloadKind);
76
77 // Do nothing if not OpenCL (-x cl)
78 if (!Args.getLastArgValue(options::OPT_x).equals("cl"))
79 return DAL;
80
81 if (!DAL)
82 DAL = new DerivedArgList(Args.getBaseArgs());
83 for (auto *A : Args)
84 DAL->append(A);
85
86 const OptTable &Opts = getDriver().getOpts();
87
88 // Phase 1 (.cl -> .bc)
89 if (Args.hasArg(options::OPT_c) && Args.hasArg(options::OPT_emit_llvm)) {
90 DAL->AddFlagArg(nullptr, Opts.getOption(getTriple().isArch64Bit()
91 ? options::OPT_m64
92 : options::OPT_m32));
93
94 // Have to check OPT_O4, OPT_O0 & OPT_Ofast separately
95 // as they defined that way in Options.td
96 if (!Args.hasArg(options::OPT_O, options::OPT_O0, options::OPT_O4,
97 options::OPT_Ofast))
98 DAL->AddJoinedArg(nullptr, Opts.getOption(options::OPT_O),
99 getOptionDefault(options::OPT_O));
100 }
101
102 return DAL;
103 }
104
105 void AMDGPUToolChain::addClangTargetOptions(
106 const llvm::opt::ArgList &DriverArgs,
107 llvm::opt::ArgStringList &CC1Args,
108 Action::OffloadKind DeviceOffloadingKind) const {
109 // Default to "hidden" visibility, as object level linking will not be
110 // supported for the foreseeable future.
111 if (!DriverArgs.hasArg(options::OPT_fvisibility_EQ,
112 options::OPT_fvisibility_ms_compat)) {
113 CC1Args.push_back("-fvisibility");
114 CC1Args.push_back("hidden");
115 CC1Args.push_back("-fapply-global-visibility-to-externs");
116 }
117 }
clang::driver::tools::handleTargetFeaturesGroup
void handleTargetFeaturesGroup(const llvm::opt::ArgList &Args, std::vector< StringRef > &Features, llvm::opt::OptSpecifier Group)
clang::driver::Driver::Diag
DiagnosticBuilder Diag(unsigned DiagID) const
Definition: Driver.h:109
clang::driver::toolchains::AMDGPUToolChain::buildLinker
Tool * buildLinker() const override
Definition: AMDGPU.cpp:66
clang::driver::tools::amdgpu::Linker
Definition: AMDGPU.h:23
clang::driver::InputInfo::getFilename
const char * getFilename() const
Definition: InputInfo.h:83
CommonArgs.h
clang::driver::JobAction
Definition: Action.h:375
AMDGPU.h
clang::driver::tools
Definition: AIX.h:17
clang::driver::InputInfo
InputInfo - Wrapper for information about an input source.
Definition: InputInfo.h:22
clang::driver::toolchains::AMDGPUToolChain::TranslateArgs
llvm::opt::DerivedArgList * TranslateArgs(const llvm::opt::DerivedArgList &Args, StringRef BoundArch, Action::OffloadKind DeviceOffloadKind) const override
TranslateArgs - Create a new derived argument list for any argument translations this ToolChain may w...
Definition: AMDGPU.cpp:71
clang::driver::Driver
Driver - Encapsulate logic for constructing compilation processes from a set of gcc-driver-like comma...
Definition: Driver.h:59
clang::driver::tools::amdgpu::getAMDGPUTargetFeatures
void getAMDGPUTargetFeatures(const Driver &D, const llvm::opt::ArgList &Args, std::vector< StringRef > &Features)
Definition: AMDGPU.cpp:38
clang::driver::toolchains::AMDGPUToolChain::addClangTargetOptions
void addClangTargetOptions(const llvm::opt::ArgList &DriverArgs, llvm::opt::ArgStringList &CC1Args, Action::OffloadKind DeviceOffloadKind) const override
Add options that need to be passed to cc1 for this target.
Definition: AMDGPU.cpp:105
Compilation.h
clang::driver::toolchains::Generic_ELF
Definition: Gnu.h:348
llvm::opt
Definition: Action.h:23
clang::driver::Compilation::addCommand
void addCommand(std::unique_ptr< Command > C)
Definition: Compilation.h:205
clang::driver::ToolChain::getDriver
const Driver & getDriver() const
Definition: ToolChain.h:199
llvm::SmallVector
Definition: LLVM.h:35
clang::driver::Action::OffloadKind
OffloadKind
Definition: Action.h:84
clang
Dataflow Directional Tag Classes.
Definition: CFGReachabilityAnalysis.h:21
clang::driver::tools::amdgpu::Linker::ConstructJob
void ConstructJob(Compilation &C, const JobAction &JA, const InputInfo &Output, const InputInfoList &Inputs, const llvm::opt::ArgList &TCArgs, const char *LinkingOutput) const override
ConstructJob - Construct jobs to perform the action JA, writing to Output and with Inputs...
Definition: AMDGPU.cpp:22
clang::driver::tools::AddLinkerInputs
void AddLinkerInputs(const ToolChain &TC, const InputInfoList &Inputs, const llvm::opt::ArgList &Args, llvm::opt::ArgStringList &CmdArgs, const JobAction &JA)
clang::driver::Tool
Tool - Information on a specific compilation tool.
Definition: Tool.h:33
clang::driver::toolchains::AMDGPUToolChain::getOptionDefault
const StringRef getOptionDefault(options::ID OptID) const
Definition: AMDGPU.h:49
InputInfo.h
clang::driver::toolchains::Generic_GCC::TranslateArgs
llvm::opt::DerivedArgList * TranslateArgs(const llvm::opt::DerivedArgList &Args, StringRef BoundArch, Action::OffloadKind DeviceOffloadKind) const override
TranslateArgs - Create a new derived argument list for any argument translations this ToolChain may w...
Definition: Gnu.cpp:2819
clang::driver::Compilation
Compilation - A set of tasks to perform for a single driver invocation.
Definition: Compilation.h:45
clang::driver::ToolChain::getTriple
const llvm::Triple & getTriple() const
Definition: ToolChain.h:201
clang::driver
Definition: Action.h:31
DriverDiagnostic.h
clang::driver::toolchains
Definition: AIX.h:55
clang::driver::Driver::getOpts
const llvm::opt::OptTable & getOpts() const
Definition: Driver.h:315