21#include "llvm/Support/Alignment.h"
22#include "llvm/Support/FileSystem.h"
23#include "llvm/Support/Path.h"
24#include "llvm/TargetParser/TargetParser.h"
32#if defined(_WIN32) || defined(_WIN64)
33#define NULL_FILE "nul"
35#define NULL_FILE "/dev/null"
39 const llvm::opt::ArgList &DriverArgs,
41 const llvm::opt::Arg *A) {
45 Option O = A->getOption();
46 if (!O.matches(options::OPT_fsanitize_EQ))
49 if (!DriverArgs.hasFlag(options::OPT_fgpu_sanitize,
50 options::OPT_fno_gpu_sanitize,
true))
57 if (K != SanitizerKind::Address)
60 llvm::StringMap<bool> FeatureMap;
63 assert(OptionalGpuArch &&
"Invalid Target ID");
64 (void)OptionalGpuArch;
65 auto Loc = FeatureMap.find(
"xnack");
66 if (Loc == FeatureMap.end() || !Loc->second) {
68 clang::diag::warn_drv_unsupported_option_for_offload_arch_req_feature)
69 << A->getAsString(DriverArgs) << TargetID <<
"xnack+";
75void AMDGCN::Linker::constructLlvmLinkCommand(
Compilation &
C,
79 const llvm::opt::ArgList &Args)
const {
82 ArgStringList LlvmLinkArgs;
84 assert(!Inputs.empty() &&
"Must have at least one input.");
87 for (
auto Input : Inputs)
88 LlvmLinkArgs.push_back(Input.getFilename());
92 auto TargetID = Args.getLastArgValue(options::OPT_mcpu_EQ);
96 const char *LlvmLink =
97 Args.MakeArgString(
getToolChain().GetProgramPath(
"llvm-link"));
99 LlvmLink, LlvmLinkArgs, Inputs,
106 const llvm::opt::ArgList &Args)
const {
109 ArgStringList LldArgs{
"-flavor",
115 "-plugin-opt=-amdgpu-internalize-symbols"};
117 auto &TC = getToolChain();
118 auto &D = TC.getDriver();
119 assert(!Inputs.empty() &&
"Must have at least one input.");
120 bool IsThinLTO = D.getLTOMode(
true) ==
LTOK_Thin;
121 addLTOOptions(TC, Args, LldArgs, Output, Inputs[0], IsThinLTO);
124 std::vector<llvm::StringRef> Features;
128 std::string MAttrString =
"-plugin-opt=-mattr=";
130 MAttrString.append(Args.MakeArgString(OneFeature));
131 if (OneFeature != Features.back())
132 MAttrString.append(
",");
134 if (!Features.empty())
135 LldArgs.push_back(Args.MakeArgString(MAttrString));
141 LldArgs.push_back(Args.MakeArgString(
"-plugin-opt=-force-import-all"));
143 if (
C.getDriver().isSaveTempsEnabled())
144 LldArgs.push_back(
"-save-temps");
158 LldArgs.push_back(
"--whole-archive");
160 for (
auto *Arg : Args.filtered(options::OPT_Xoffload_linker)) {
161 StringRef ArgVal = Arg->getValue(1);
162 auto SplitArg = ArgVal.split(
"-mllvm=");
163 if (!SplitArg.second.empty()) {
165 Args.MakeArgString(Twine(
"-plugin-opt=") + SplitArg.second));
167 LldArgs.push_back(Args.MakeArgString(ArgVal));
173 for (
auto Input : Inputs)
174 LldArgs.push_back(Input.getFilename());
178 auto TargetID = Args.getLastArgValue(options::OPT_mcpu_EQ);
182 LldArgs.push_back(
"--no-whole-archive");
184 const char *Lld = Args.MakeArgString(getToolChain().GetProgramPath(
"lld"));
186 Lld, LldArgs, Inputs, Output));
196 const char *LinkingOutput)
const {
197 if (Inputs.size() > 0 &&
198 Inputs[0].getType() == types::TY_Image &&
199 JA.
getType() == types::TY_Object)
203 if (JA.
getType() == types::TY_HIP_FATBIN)
207 if (JA.
getType() == types::TY_LLVM_BC)
208 return constructLlvmLinkCommand(
C, JA, Inputs, Output, Args);
210 return constructLldCommand(
C, JA, Inputs, Output, Args);
214 const ToolChain &HostTC,
const ArgList &Args)
221 if (!Args.hasFlag(options::OPT_fgpu_sanitize, options::OPT_fno_gpu_sanitize,
224 for (
auto *A : Args.filtered(options::OPT_fsanitize_EQ)) {
226 if (K != SanitizerKind::Address)
227 D.
getDiags().
Report(clang::diag::warn_drv_unsupported_option_for_target)
228 << A->getAsString(Args) <<
getTriple().str();
233 const llvm::opt::ArgList &DriverArgs, llvm::opt::ArgStringList &CC1Args,
238 "Only HIP offloading kinds are supported for GPUs.");
240 CC1Args.push_back(
"-fcuda-is-device");
242 if (!DriverArgs.hasFlag(options::OPT_fgpu_rdc, options::OPT_fno_gpu_rdc,
244 CC1Args.append({
"-mllvm",
"-amdgpu-internalize-symbols"});
246 StringRef MaxThreadsPerBlock =
247 DriverArgs.getLastArgValue(options::OPT_gpu_max_threads_per_block_EQ);
248 if (!MaxThreadsPerBlock.empty()) {
250 (Twine(
"--gpu-max-threads-per-block=") + MaxThreadsPerBlock).str();
251 CC1Args.push_back(DriverArgs.MakeArgStringRef(ArgStr));
254 CC1Args.push_back(
"-fcuda-allow-variadic-functions");
258 if (!DriverArgs.hasArg(options::OPT_fvisibility_EQ,
259 options::OPT_fvisibility_ms_compat)) {
260 CC1Args.append({
"-fvisibility=hidden"});
261 CC1Args.push_back(
"-fapply-global-visibility-to-externs");
265 CC1Args.push_back(BCFile.ShouldInternalize ?
"-mlink-builtin-bitcode"
266 :
"-mlink-bitcode-file");
267 CC1Args.push_back(DriverArgs.MakeArgString(BCFile.Path));
271llvm::opt::DerivedArgList *
275 DerivedArgList *DAL =
278 DAL =
new DerivedArgList(Args.getBaseArgs());
282 for (Arg *A : Args) {
287 if (!BoundArch.empty()) {
288 DAL->eraseArg(options::OPT_mcpu_EQ);
289 DAL->AddJoinedArg(
nullptr, Opts.getOption(options::OPT_mcpu_EQ), BoundArch);
311 ArgStringList &CC1Args)
const {
316 const ArgList &Args, ArgStringList &CC1Args)
const {
321 ArgStringList &CC1Args)
const {
326 ArgStringList &CC1Args)
const {
344 const ArgList &Args)
const {
351 if (DriverArgs.hasArg(options::OPT_nogpulib))
353 ArgStringList LibraryPaths;
357 LibraryPaths.push_back(DriverArgs.MakeArgString(Path));
362 auto BCLibArgs = DriverArgs.getAllArgValues(options::OPT_hip_device_lib_EQ);
363 if (!BCLibArgs.empty()) {
364 llvm::for_each(BCLibArgs, [&](StringRef BCName) {
366 for (StringRef LibraryPath : LibraryPaths) {
368 llvm::sys::path::append(Path, BCName);
370 if (llvm::sys::fs::exists(FullName)) {
371 BCLibs.push_back(FullName);
383 assert(!GpuArch.empty() &&
"Must have an explicit GPU arch.");
386 if (DriverArgs.hasFlag(options::OPT_fgpu_sanitize,
387 options::OPT_fno_gpu_sanitize,
true) &&
390 if (AsanRTL.empty()) {
393 "AMDGPU address sanitizer runtime library (asanrtl) is not found. "
394 "Please install ROCm device library which supports address "
399 BCLibs.emplace_back(AsanRTL,
false);
407 BCLibs.emplace_back(N);
411 DriverArgs.getLastArgValue(options::OPT_gpu_instrument_lib_EQ);
414 if (llvm::sys::fs::exists(InstLib))
415 BCLibs.push_back(InstLib);
424 const llvm::opt::ArgList &DriverArgs)
const {
426 if (PTID.OptionalTargetID && !PTID.OptionalGPUArch) {
428 << *PTID.OptionalTargetID;
static bool shouldSkipSanitizeOption(const ToolChain &TC, const llvm::opt::ArgList &DriverArgs, StringRef TargetID, const llvm::opt::Arg *A)
DiagnosticBuilder Report(SourceLocation Loc, unsigned DiagID)
Issue the message to the client.
unsigned getCustomDiagID(Level L, const char(&FormatString)[N])
Return an ID for a diagnostic with the specified format string and level.
types::ID getType() const
Compilation - A set of tasks to perform for a single driver invocation.
Driver - Encapsulate logic for constructing compilation processes from a set of gcc-driver-like comma...
DiagnosticsEngine & getDiags() const
DiagnosticBuilder Diag(unsigned DiagID) const
const llvm::opt::OptTable & getOpts() const
std::optional< llvm::StringRef > parseTargetID(const llvm::Triple &T, llvm::StringRef OffloadArch, llvm::StringMap< bool > *FeatureMap)
Parse a target ID to get processor and feature map.
@ C
Languages that the frontend can parse and compile.
SanitizerMask parseSanitizerValue(StringRef Value, bool AllowGroups)
Parse a single value from a -fsanitize= or -fno-sanitize= value list.
static constexpr ResponseFileSupport None()
Returns a ResponseFileSupport indicating that response files are not supported.