1 //===--- HIPAMD.cpp - HIP Tool and ToolChain Implementations ----*- C++ -*-===//
5 // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
7 //===----------------------------------------------------------------------===//
46   Option O = A->getOption();  in shouldSkipSanitizeOption()
56   // For simplicity, we only allow -fsanitize=address  in shouldSkipSanitizeOption()
57   SanitizerMask K = parseSanitizerValue(A->getValue(), /*AllowGroups=*/false);  in shouldSkipSanitizeOption()
67   if (Loc == FeatureMap.end() || !Loc->second) {  in shouldSkipSanitizeOption()
69         clang::diag::warn_drv_unsupported_option_for_offload_arch_req_feature)  in shouldSkipSanitizeOption()
70         << A->getAsString(DriverArgs) << TargetID << "xnack+";  in shouldSkipSanitizeOption()
81   // Construct llvm-link command.  in constructLlvmLinkCommand()
82   // The output from llvm-link is a bitcode file.  in constructLlvmLinkCommand()
87   LlvmLinkArgs.append({"-o", Output.getFilename()});  in constructLlvmLinkCommand()
98     Args.MakeArgString(getToolChain().GetProgramPath("llvm-link"));  in constructLlvmLinkCommand()
110   ArgStringList LldArgs{"-flavor",  in constructLldCommand()
112                         "-m",  in constructLldCommand()
114                         "--no-undefined",  in constructLldCommand()
115                         "-shared",  in constructLldCommand()
116                         "-plugin-opt=-amdgpu-internalize-symbols"};  in constructLldCommand()
118     LldArgs.push_back("-plugin-opt=-amdgpu-enable-hipstdpar");  in constructLldCommand()
126   // Extract all the -m options  in constructLldCommand()
131   std::string MAttrString = "-plugin-opt=-mattr=";  in constructLldCommand()
140   // ToDo: Remove this option after AMDGPU backend supports ISA-level linking.  in constructLldCommand()
141   // Since AMDGPU backend currently does not support ISA-level linking, all  in constructLldCommand()
144     LldArgs.push_back(Args.MakeArgString("-plugin-opt=-force-import-all"));  in constructLldCommand()
148         Args.MakeArgString(Twine("-plugin-opt=") + A->getValue(0)));  in constructLldCommand()
152     LldArgs.push_back("-save-temps");  in constructLldCommand()
160   // For example: host_A() (A.obj) --> host_B(B.obj) --> device_kernel_B()  in constructLldCommand()
165   // --whole-archive flag such that all global symbols would be linked in.  in constructLldCommand()
166   LldArgs.push_back("--whole-archive");  in constructLldCommand()
169     StringRef ArgVal = Arg->getValue(1);  in constructLldCommand()
170     auto SplitArg = ArgVal.split("-mllvm=");  in constructLldCommand()
173           Args.MakeArgString(Twine("-plugin-opt=") + SplitArg.second));  in constructLldCommand()
177     Arg->claim();  in constructLldCommand()
180   LldArgs.append({"-o", Output.getFilename()});  in constructLldCommand()
190   LldArgs.push_back("--no-whole-archive");  in constructLldCommand()
197 // For SPIR-V the inputs for the job are device AMDGCN SPIR-V flavoured bitcode
198 // and the output is either a compiled SPIR-V binary or bitcode (-emit-llvm). It
199 // calls llvm-link and then the llvm-spirv translator. Once the SPIR-V BE will
202 // SPIR-V.
212   // Emit SPIR-V binary.  in constructLinkAndEmitSpirvCommand()
214       "--spirv-max-version=1.6",  in constructLinkAndEmitSpirvCommand()
215       "--spirv-ext=+all",  in constructLinkAndEmitSpirvCommand()
216       "--spirv-allow-extra-diexpressions",  in constructLinkAndEmitSpirvCommand()
217       "--spirv-allow-unknown-intrinsics",  in constructLinkAndEmitSpirvCommand()
218       "--spirv-lower-const-expr",  in constructLinkAndEmitSpirvCommand()
219       "--spirv-preserve-auxdata",  in constructLinkAndEmitSpirvCommand()
220       "--spirv-debug-info-version=nonsemantic-shader-200"};  in constructLinkAndEmitSpirvCommand()
225 // either an object file or bitcode (-emit-llvm). It calls llvm-link, opt,
255   // discover the clang-offload-bundler executable.  in HIPAMDToolChain()
263     SanitizerMask K = parseSanitizerValue(A->getValue(), /*AllowGroups=*/false);  in HIPAMDToolChain()
265       D.getDiags().Report(clang::diag::warn_drv_unsupported_option_for_target)  in HIPAMDToolChain()
266           << A->getAsString(Args) << getTriple().str();  in HIPAMDToolChain()
278   CC1Args.push_back("-fcuda-is-device");  in addClangTargetOptions()
282     CC1Args.append({"-mllvm", "-amdgpu-internalize-symbols"});  in addClangTargetOptions()
284     CC1Args.append({"-mllvm", "-amdgpu-enable-hipstdpar"});  in addClangTargetOptions()
290         (Twine("--gpu-max-threads-per-block=") + MaxThreadsPerBlock).str();  in addClangTargetOptions()
294   CC1Args.push_back("-fcuda-allow-variadic-functions");  in addClangTargetOptions()
300     CC1Args.append({"-fvisibility=hidden"});  in addClangTargetOptions()
301     CC1Args.push_back("-fapply-global-visibility-to-externs");  in addClangTargetOptions()
304   // For SPIR-V we embed the command-line into the generated binary, in order to  in addClangTargetOptions()
306   // options that match the user-supplied ones.  in addClangTargetOptions()
309     CC1Args.push_back("-fembed-bitcode=marker");  in addClangTargetOptions()
312     CC1Args.push_back(BCFile.ShouldInternalize ? "-mlink-builtin-bitcode"  in addClangTargetOptions()
313                                                : "-mlink-bitcode-file");  in addClangTargetOptions()
331       DAL->append(A);  in TranslateArgs()
335     DAL->eraseArg(options::OPT_mcpu_EQ);  in TranslateArgs()
336     DAL->AddJoinedArg(nullptr, Opts.getOption(options::OPT_mcpu_EQ), BoundArch);  in TranslateArgs()
376   RocmInstallation->AddHIPIncludeArgs(DriverArgs, CC1Args);  in AddHIPIncludeArgs()
406   // Find in --hip-device-lib-path and HIP_LIBRARY_PATH.  in getDeviceLibs()
407   for (StringRef Path : RocmInstallation->getRocmDeviceLibPathArg())  in getDeviceLibs()
412   // Maintain compatability with --hip-device-lib.  in getDeviceLibs()
426       getDriver().Diag(diag::err_drv_no_such_file) << BCName;  in getDeviceLibs()
429     if (!RocmInstallation->hasDeviceLibrary()) {  in getDeviceLibs()
430       getDriver().Diag(diag::err_drv_no_rocm_device_lib) << 0;  in getDeviceLibs()
436     // If --hip-device-lib is not set, add the default bitcode libraries.  in getDeviceLibs()
440       auto AsanRTL = RocmInstallation->getAsanRTLPath();  in getDeviceLibs()
447         getDriver().Diag(DiagID);  in getDeviceLibs()
454     BCLibs.push_back(RocmInstallation->getHIPPath());  in getDeviceLibs()
468       getDriver().Diag(diag::err_drv_no_such_file) << InstLib;  in getDeviceLibs()
478     getDriver().Diag(clang::diag::err_drv_bad_target_id)  in checkTargetID()