[clang] [llvm] [Driver][SYCL] Add initial SYCL offload compilation support (PR #107493)
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cfe-commits at lists.llvm.org
Thu Sep 5 17:29:39 PDT 2024
llvmbot wrote:
<!--LLVM PR SUMMARY COMMENT-->
@llvm/pr-subscribers-clang-driver
Author: Michael Toguchi (mdtoguchi)
<details>
<summary>Changes</summary>
Introduces the SYCL based toolchain and initial toolchain construction when using the '-fsycl' option. This option will enable SYCL based offloading, creating a SPIR-V based IR file packaged into the compiled host object.
This includes early support for creating the host/device object using the new offloading model. The device object is created using the spir64-unknown-unknown target triple.
New/Updated Options:
-fsycl Enables SYCL offloading for host and device
-fsycl-device-only
Enables device only compilation for SYCL
-fsycl-host-only
Enables host only compilation for SYCL
RFC Reference: https://discourse.llvm.org/t/rfc-sycl-driver-enhancements/74092
---
Patch is 40.31 KiB, truncated to 20.00 KiB below, full version: https://github.com/llvm/llvm-project/pull/107493.diff
20 Files Affected:
- (modified) clang/include/clang/Driver/Action.h (+1)
- (modified) clang/include/clang/Driver/Driver.h (+4)
- (modified) clang/include/clang/Driver/Options.td (+10-5)
- (modified) clang/include/clang/Driver/ToolChain.h (+4)
- (modified) clang/lib/Driver/Action.cpp (+7-1)
- (modified) clang/lib/Driver/CMakeLists.txt (+1)
- (modified) clang/lib/Driver/Compilation.cpp (+5-4)
- (modified) clang/lib/Driver/Driver.cpp (+102-7)
- (modified) clang/lib/Driver/ToolChain.cpp (+3)
- (modified) clang/lib/Driver/ToolChains/Clang.cpp (+38-7)
- (modified) clang/lib/Driver/ToolChains/Gnu.cpp (+2-1)
- (modified) clang/lib/Driver/ToolChains/Gnu.h (+2)
- (modified) clang/lib/Driver/ToolChains/Linux.cpp (+5)
- (modified) clang/lib/Driver/ToolChains/Linux.h (+2)
- (modified) clang/lib/Driver/ToolChains/MSVC.cpp (+6-1)
- (modified) clang/lib/Driver/ToolChains/MSVC.h (+5)
- (added) clang/lib/Driver/ToolChains/SYCL.cpp (+202)
- (added) clang/lib/Driver/ToolChains/SYCL.h (+82)
- (added) clang/test/Driver/sycl-offload-jit.cpp (+77)
- (modified) llvm/include/llvm/TargetParser/Triple.h (+7)
``````````diff
diff --git a/clang/include/clang/Driver/Action.h b/clang/include/clang/Driver/Action.h
index 04fa8b01b418f8..feeabae89d6b1c 100644
--- a/clang/include/clang/Driver/Action.h
+++ b/clang/include/clang/Driver/Action.h
@@ -94,6 +94,7 @@ class Action {
OFK_Cuda = 0x02,
OFK_OpenMP = 0x04,
OFK_HIP = 0x08,
+ OFK_SYCL = 0x10,
};
static const char *getClassName(ActionClass AC);
diff --git a/clang/include/clang/Driver/Driver.h b/clang/include/clang/Driver/Driver.h
index 9177d56718ee77..ddadefaa079dd5 100644
--- a/clang/include/clang/Driver/Driver.h
+++ b/clang/include/clang/Driver/Driver.h
@@ -582,6 +582,10 @@ class Driver {
/// @name Helper Methods
/// @{
+ /// MakeSYCLDeviceTriple - Returns the SYCL device triple for the
+ /// specified ArchType.
+ llvm::Triple MakeSYCLDeviceTriple(StringRef TargetArch = "spir64") const;
+
/// PrintActions - Print the list of actions.
void PrintActions(const Compilation &C) const;
diff --git a/clang/include/clang/Driver/Options.td b/clang/include/clang/Driver/Options.td
index 83cf753e824845..bd632f9270f382 100644
--- a/clang/include/clang/Driver/Options.td
+++ b/clang/include/clang/Driver/Options.td
@@ -182,7 +182,8 @@ def opencl_Group : OptionGroup<"<opencl group>">, Group<f_Group>,
DocName<"OpenCL options">;
def sycl_Group : OptionGroup<"<SYCL group>">, Group<f_Group>,
- DocName<"SYCL options">;
+ DocName<"SYCL options">,
+ Visibility<[ClangOption, CLOption]>;
def cuda_Group : OptionGroup<"<CUDA group>">, Group<f_Group>,
DocName<"CUDA options">,
@@ -6691,12 +6692,16 @@ defm : FlangIgnoredDiagOpt<"frontend-loop-interchange">;
defm : FlangIgnoredDiagOpt<"target-lifetime">;
// C++ SYCL options
+let Group = sycl_Group in {
def fsycl : Flag<["-"], "fsycl">,
- Visibility<[ClangOption, CLOption]>,
- Group<sycl_Group>, HelpText<"Enables SYCL kernels compilation for device">;
+ HelpText<"Enables SYCL kernels compilation for device">;
def fno_sycl : Flag<["-"], "fno-sycl">,
- Visibility<[ClangOption, CLOption]>,
- Group<sycl_Group>, HelpText<"Disables SYCL kernels compilation for device">;
+ HelpText<"Disables SYCL kernels compilation for device">;
+def fsycl_device_only : Flag<["-"], "fsycl-device-only">,
+ Alias<offload_device_only>, HelpText<"Compile SYCL kernels for device only">;
+def fsycl_host_only : Flag<["-"], "fsycl-host-only">,
+ Alias<offload_host_only>, HelpText<"Compile SYCL kernels for host only">;
+} // let Group = sycl_Group
// OS-specific options
let Flags = [TargetSpecific] in {
diff --git a/clang/include/clang/Driver/ToolChain.h b/clang/include/clang/Driver/ToolChain.h
index 5347e29be91439..0bc2a28bceb923 100644
--- a/clang/include/clang/Driver/ToolChain.h
+++ b/clang/include/clang/Driver/ToolChain.h
@@ -762,6 +762,10 @@ class ToolChain {
virtual void AddHIPIncludeArgs(const llvm::opt::ArgList &DriverArgs,
llvm::opt::ArgStringList &CC1Args) const;
+ /// Add arguments to use SYCL specific includes.
+ virtual void AddSYCLIncludeArgs(const llvm::opt::ArgList &DriverArgs,
+ llvm::opt::ArgStringList &CC1Args) const;
+
/// Add arguments to use MCU GCC toolchain includes.
virtual void AddIAMCUIncludeArgs(const llvm::opt::ArgList &DriverArgs,
llvm::opt::ArgStringList &CC1Args) const;
diff --git a/clang/lib/Driver/Action.cpp b/clang/lib/Driver/Action.cpp
index 849bf6035ebd2e..23dbcebc9a1ca1 100644
--- a/clang/lib/Driver/Action.cpp
+++ b/clang/lib/Driver/Action.cpp
@@ -111,6 +111,8 @@ std::string Action::getOffloadingKindPrefix() const {
return "device-openmp";
case OFK_HIP:
return "device-hip";
+ case OFK_SYCL:
+ return "device-sycl";
// TODO: Add other programming models here.
}
@@ -128,6 +130,8 @@ std::string Action::getOffloadingKindPrefix() const {
Res += "-hip";
if (ActiveOffloadKindMask & OFK_OpenMP)
Res += "-openmp";
+ if (ActiveOffloadKindMask & OFK_SYCL)
+ Res += "-sycl";
// TODO: Add other programming models here.
@@ -164,6 +168,8 @@ StringRef Action::GetOffloadKindName(OffloadKind Kind) {
return "openmp";
case OFK_HIP:
return "hip";
+ case OFK_SYCL:
+ return "sycl";
// TODO: Add other programming models here.
}
@@ -320,7 +326,7 @@ void OffloadAction::DeviceDependences::add(Action &A, const ToolChain &TC,
DeviceBoundArchs.push_back(BoundArch);
// Add each active offloading kind from a mask.
- for (OffloadKind OKind : {OFK_OpenMP, OFK_Cuda, OFK_HIP})
+ for (OffloadKind OKind : {OFK_OpenMP, OFK_Cuda, OFK_HIP, OFK_SYCL})
if (OKind & OffloadKindMask)
DeviceOffloadKinds.push_back(OKind);
}
diff --git a/clang/lib/Driver/CMakeLists.txt b/clang/lib/Driver/CMakeLists.txt
index 32a4378ab499fa..4cc5f730424cd5 100644
--- a/clang/lib/Driver/CMakeLists.txt
+++ b/clang/lib/Driver/CMakeLists.txt
@@ -85,6 +85,7 @@ add_clang_library(clangDriver
ToolChains/PPCFreeBSD.cpp
ToolChains/InterfaceStubs.cpp
ToolChains/ZOS.cpp
+ ToolChains/SYCL.cpp
Types.cpp
XRayArgs.cpp
diff --git a/clang/lib/Driver/Compilation.cpp b/clang/lib/Driver/Compilation.cpp
index ad077d5bbfa69a..283487548f4cf2 100644
--- a/clang/lib/Driver/Compilation.cpp
+++ b/clang/lib/Driver/Compilation.cpp
@@ -217,10 +217,11 @@ static bool ActionFailed(const Action *A,
if (FailingCommands.empty())
return false;
- // CUDA/HIP can have the same input source code compiled multiple times so do
- // not compiled again if there are already failures. It is OK to abort the
- // CUDA pipeline on errors.
- if (A->isOffloading(Action::OFK_Cuda) || A->isOffloading(Action::OFK_HIP))
+ // CUDA/HIP/SYCL can have the same input source code compiled multiple times
+ // so do not compile again if there are already failures. It is OK to abort
+ // the CUDA pipeline on errors.
+ if (A->isOffloading(Action::OFK_Cuda) || A->isOffloading(Action::OFK_HIP) ||
+ A->isOffloading(Action::OFK_SYCL))
return true;
for (const auto &CI : FailingCommands)
diff --git a/clang/lib/Driver/Driver.cpp b/clang/lib/Driver/Driver.cpp
index 43002add33774b..b8d7401f6e01cc 100644
--- a/clang/lib/Driver/Driver.cpp
+++ b/clang/lib/Driver/Driver.cpp
@@ -43,6 +43,7 @@
#include "ToolChains/PS4CPU.h"
#include "ToolChains/RISCVToolchain.h"
#include "ToolChains/SPIRV.h"
+#include "ToolChains/SYCL.h"
#include "ToolChains/Solaris.h"
#include "ToolChains/TCE.h"
#include "ToolChains/VEToolchain.h"
@@ -767,6 +768,26 @@ Driver::OpenMPRuntimeKind Driver::getOpenMPRuntime(const ArgList &Args) const {
return RT;
}
+static const char *getDefaultSYCLArch(Compilation &C) {
+ if (C.getDefaultToolChain().getTriple().getArch() == llvm::Triple::x86)
+ return "spir";
+ return "spir64";
+}
+
+static bool addSYCLDefaultTriple(Compilation &C,
+ SmallVectorImpl<llvm::Triple> &SYCLTriples) {
+ for (const auto &SYCLTriple : SYCLTriples) {
+ if (SYCLTriple.getSubArch() == llvm::Triple::NoSubArch &&
+ SYCLTriple.isSPIROrSPIRV())
+ return false;
+ }
+ // Add the default triple as it was not found.
+ llvm::Triple DefaultTriple =
+ C.getDriver().MakeSYCLDeviceTriple(getDefaultSYCLArch(C));
+ SYCLTriples.insert(SYCLTriples.begin(), DefaultTriple);
+ return true;
+}
+
void Driver::CreateOffloadingDeviceToolChains(Compilation &C,
InputList &Inputs) {
@@ -979,6 +1000,44 @@ void Driver::CreateOffloadingDeviceToolChains(Compilation &C,
return;
}
+ //
+ // SYCL
+ //
+ // We need to generate a SYCL toolchain if the user specified -fsycl.
+ // If -fsycl is supplied we will assume SPIR-V.
+ bool IsSYCL =
+ C.getInputArgs().hasFlag(options::OPT_fsycl, options::OPT_fno_sycl,
+ false);
+
+ auto argSYCLIncompatible = [&](OptSpecifier OptId) {
+ if (!IsSYCL)
+ return;
+ if (Arg *IncompatArg = C.getInputArgs().getLastArg(OptId))
+ Diag(clang::diag::err_drv_argument_not_allowed_with)
+ << IncompatArg->getSpelling() << "-fsycl";
+ };
+ // -static-libstdc++ is not compatible with -fsycl.
+ argSYCLIncompatible(options::OPT_static_libstdcxx);
+ // -ffreestanding cannot be used with -fsycl
+ argSYCLIncompatible(options::OPT_ffreestanding);
+
+ llvm::SmallVector<llvm::Triple, 4> UniqueSYCLTriplesVec;
+
+ // If -fsycl is supplied we will assume SPIR-V.
+ if (IsSYCL) {
+ addSYCLDefaultTriple(C, UniqueSYCLTriplesVec);
+
+ // We'll need to use the SYCL and host triples as the key into
+ // getOffloadingDeviceToolChain, because the device toolchains we're
+ // going to create will depend on both.
+ const ToolChain *HostTC = C.getSingleOffloadToolChain<Action::OFK_Host>();
+ for (const auto &TT : UniqueSYCLTriplesVec) {
+ auto SYCLTC = &getOffloadingDeviceToolChain(C.getInputArgs(), TT, *HostTC,
+ Action::OFK_SYCL);
+ C.addOffloadDeviceToolChain(SYCLTC, Action::OFK_SYCL);
+ }
+ }
+
//
// TODO: Add support for other offloading programming models here.
//
@@ -2001,6 +2060,19 @@ void Driver::PrintHelp(bool ShowHidden) const {
VisibilityMask);
}
+llvm::Triple Driver::MakeSYCLDeviceTriple(StringRef TargetArch) const {
+ SmallVector<StringRef, 5> SYCLAlias = { "spir", "spir64", "spirv32", "spirv64"};
+ if (std::find(SYCLAlias.begin(), SYCLAlias.end(), TargetArch) !=
+ SYCLAlias.end()) {
+ llvm::Triple TT;
+ TT.setArchName(TargetArch);
+ TT.setVendor(llvm::Triple::UnknownVendor);
+ TT.setOS(llvm::Triple::UnknownOS);
+ return TT;
+ }
+ return llvm::Triple(TargetArch);
+}
+
void Driver::PrintVersion(const Compilation &C, raw_ostream &OS) const {
if (IsFlangMode()) {
OS << getClangToolFullVersion("flang-new") << '\n';
@@ -4155,6 +4227,7 @@ void Driver::BuildActions(Compilation &C, DerivedArgList &Args,
bool UseNewOffloadingDriver =
C.isOffloadingHostKind(Action::OFK_OpenMP) ||
+ C.isOffloadingHostKind(Action::OFK_SYCL) ||
Args.hasFlag(options::OPT_foffload_via_llvm,
options::OPT_fno_offload_via_llvm, false) ||
Args.hasFlag(options::OPT_offload_new_driver,
@@ -4565,6 +4638,8 @@ Driver::getOffloadArchs(Compilation &C, const llvm::opt::DerivedArgList &Args,
Archs.insert(OffloadArchToString(OffloadArch::HIPDefault));
else if (Kind == Action::OFK_OpenMP)
Archs.insert(StringRef());
+ else if (Kind == Action::OFK_SYCL)
+ Archs.insert(StringRef());
} else {
Args.ClaimAllArgs(options::OPT_offload_arch_EQ);
Args.ClaimAllArgs(options::OPT_no_offload_arch_EQ);
@@ -4589,7 +4664,7 @@ Action *Driver::BuildOffloadingActions(Compilation &C,
OffloadAction::DeviceDependences DDeps;
const Action::OffloadKind OffloadKinds[] = {
- Action::OFK_OpenMP, Action::OFK_Cuda, Action::OFK_HIP};
+ Action::OFK_OpenMP, Action::OFK_Cuda, Action::OFK_HIP, Action::OFK_SYCL};
for (Action::OffloadKind Kind : OffloadKinds) {
SmallVector<const ToolChain *, 2> ToolChains;
@@ -4634,6 +4709,11 @@ Action *Driver::BuildOffloadingActions(Compilation &C,
break;
}
+ // Assemble actions are not used for the SYCL device side. Both compile
+ // and backend actions are used to generate IR and textual IR if needed.
+ if (Kind == Action::OFK_SYCL && Phase == phases::Assemble)
+ continue;
+
auto TCAndArch = TCAndArchs.begin();
for (Action *&A : DeviceActions) {
if (A->getType() == types::TY_Nothing)
@@ -4867,12 +4947,13 @@ Action *Driver::ConstructPhaseAction(
return C.MakeAction<BackendJobAction>(Input, Output);
}
if (Args.hasArg(options::OPT_emit_llvm) ||
- (((Input->getOffloadingToolChain() &&
- Input->getOffloadingToolChain()->getTriple().isAMDGPU()) ||
- TargetDeviceOffloadKind == Action::OFK_HIP) &&
- (Args.hasFlag(options::OPT_fgpu_rdc, options::OPT_fno_gpu_rdc,
- false) ||
- TargetDeviceOffloadKind == Action::OFK_OpenMP))) {
+ (TargetDeviceOffloadKind == Action::OFK_SYCL ||
+ (((Input->getOffloadingToolChain() &&
+ Input->getOffloadingToolChain()->getTriple().isAMDGPU()) ||
+ TargetDeviceOffloadKind == Action::OFK_HIP) &&
+ (Args.hasFlag(options::OPT_fgpu_rdc, options::OPT_fno_gpu_rdc,
+ false) ||
+ TargetDeviceOffloadKind == Action::OFK_OpenMP)))) {
types::ID Output =
Args.hasArg(options::OPT_S) &&
(TargetDeviceOffloadKind == Action::OFK_None ||
@@ -6553,6 +6634,20 @@ const ToolChain &Driver::getOffloadingDeviceToolChain(
HostTC, Args);
break;
}
+ case Action::OFK_SYCL:
+ // TODO: Add additional Arch values for Ahead of Time support for SYCL.
+ switch (Target.getArch()) {
+ case llvm::Triple::spir:
+ case llvm::Triple::spir64:
+ case llvm::Triple::spirv32:
+ case llvm::Triple::spirv64:
+ TC = std::make_unique<toolchains::SYCLToolChain>(*this, Target, HostTC,
+ Args);
+ break;
+ default:
+ break;
+ }
+ break;
default:
break;
}
diff --git a/clang/lib/Driver/ToolChain.cpp b/clang/lib/Driver/ToolChain.cpp
index 76901875c66959..f5b7837e3e3fc4 100644
--- a/clang/lib/Driver/ToolChain.cpp
+++ b/clang/lib/Driver/ToolChain.cpp
@@ -1441,6 +1441,9 @@ void ToolChain::AddCudaIncludeArgs(const ArgList &DriverArgs,
void ToolChain::AddHIPIncludeArgs(const ArgList &DriverArgs,
ArgStringList &CC1Args) const {}
+void ToolChain::AddSYCLIncludeArgs(const ArgList &DriverArgs,
+ ArgStringList &CC1Args) const {}
+
llvm::SmallVector<ToolChain::BitCodeLibraryInfo, 12>
ToolChain::getDeviceLibs(const ArgList &DriverArgs) const {
return {};
diff --git a/clang/lib/Driver/ToolChains/Clang.cpp b/clang/lib/Driver/ToolChains/Clang.cpp
index df86941950e46e..c8398113313bc4 100644
--- a/clang/lib/Driver/ToolChains/Clang.cpp
+++ b/clang/lib/Driver/ToolChains/Clang.cpp
@@ -24,6 +24,7 @@
#include "Hexagon.h"
#include "MSP430.h"
#include "PS4CPU.h"
+#include "SYCL.h"
#include "clang/Basic/CLWarnings.h"
#include "clang/Basic/CharInfo.h"
#include "clang/Basic/CodeGenOptions.h"
@@ -1073,6 +1074,8 @@ void Clang::AddPreprocessingOptions(Compilation &C, const JobAction &JA,
getToolChain().AddCudaIncludeArgs(Args, CmdArgs);
if (JA.isOffloading(Action::OFK_HIP))
getToolChain().AddHIPIncludeArgs(Args, CmdArgs);
+ if (JA.isOffloading(Action::OFK_SYCL))
+ getToolChain().AddSYCLIncludeArgs(Args, CmdArgs);
// If we are offloading to a target via OpenMP we need to include the
// openmp_wrappers folder which contains alternative system headers.
@@ -4969,17 +4972,21 @@ void Clang::ConstructJob(Compilation &C, const JobAction &JA,
// second input. Module precompilation accepts a list of header files to
// include as part of the module. API extraction accepts a list of header
// files whose API information is emitted in the output. All other jobs are
- // expected to have exactly one input.
+ // expected to have exactly one input. SYCL compilation only expects a
+ // single input.
bool IsCuda = JA.isOffloading(Action::OFK_Cuda);
bool IsCudaDevice = JA.isDeviceOffloading(Action::OFK_Cuda);
bool IsHIP = JA.isOffloading(Action::OFK_HIP);
bool IsHIPDevice = JA.isDeviceOffloading(Action::OFK_HIP);
+ bool IsSYCL = JA.isOffloading(Action::OFK_SYCL);
+ bool IsSYCLDevice = JA.isDeviceOffloading(Action::OFK_SYCL);
bool IsOpenMPDevice = JA.isDeviceOffloading(Action::OFK_OpenMP);
bool IsExtractAPI = isa<ExtractAPIJobAction>(JA);
bool IsDeviceOffloadAction = !(JA.isDeviceOffloading(Action::OFK_None) ||
JA.isDeviceOffloading(Action::OFK_Host));
bool IsHostOffloadingAction =
JA.isHostOffloading(Action::OFK_OpenMP) ||
+ JA.isHostOffloading(Action::OFK_SYCL) ||
(JA.isHostOffloading(C.getActiveOffloadKinds()) &&
Args.hasFlag(options::OPT_offload_new_driver,
options::OPT_no_offload_new_driver, false));
@@ -5029,10 +5036,10 @@ void Clang::ConstructJob(Compilation &C, const JobAction &JA,
bool IsWindowsMSVC = RawTriple.isWindowsMSVCEnvironment();
bool IsIAMCU = RawTriple.isOSIAMCU();
- // Adjust IsWindowsXYZ for CUDA/HIP compilations. Even when compiling in
+ // Adjust IsWindowsXYZ for CUDA/HIP/SYCL compilations. Even when compiling in
// device mode (i.e., getToolchain().getTriple() is NVPTX/AMDGCN, not
// Windows), we need to pass Windows-specific flags to cc1.
- if (IsCuda || IsHIP)
+ if (IsCuda || IsHIP || IsSYCL)
IsWindowsMSVC |= AuxTriple && AuxTriple->isWindowsMSVCEnvironment();
// C++ is not supported for IAMCU.
@@ -5116,15 +5123,39 @@ void Clang::ConstructJob(Compilation &C, const JobAction &JA,
if (const Arg *PF = Args.getLastArg(options::OPT_mprintf_kind_EQ))
PF->claim();
- if (Args.hasFlag(options::OPT_fsycl, options::OPT_fno_sycl, false)) {
+ Arg *SYCLStdArg = Args.getLastArg(options::OPT_sycl_std_EQ);
+
+ if (IsSYCLDevice) {
+ // Host triple is needed when doing SYCL device compilations.
+ llvm::Triple AuxT = C.getDefaultToolChain().getTriple();
+ std::string NormalizedTriple = AuxT.normalize();
+ CmdArgs.push_back("-aux-triple");
+ CmdArgs.push_back(Args.MakeArgString(NormalizedTriple));
+
+ // We want to compile sycl kernels.
CmdArgs.push_back("-fsycl-is-device");
- if (Arg *A = Args.getLastArg(options::OPT_sycl_std_EQ)) {
- A->render(Args, CmdArgs);
+ // Set O2 optimization level by default
+ if (!Args.getLastArg(options::OPT_O_Group))
+ CmdArgs.push_back("-O2");
+ }
+
+ if (IsSYCL) {
+ // Set options for both host and device
+ if (SYCLStdArg) {
+ SYCLStdArg->render(Args, CmdArgs);
} else {
// Ensure the default version in SYCL mode is 2020.
CmdArgs.push_back("-sycl-std=2020");
}
+
+ // Add any options that are needed specific to SYCL offload while
+ // performing the host side compilation.
+ if (!IsSYCLDevice) {
+ // Let the front-end host compilation flow know about SYCL offload
+ // compilation.
+ CmdArgs.push_back("-fsycl-is-host");
+ }
}
if (IsOpenMPDevice) {
@@ -6061,7 +6092,7 @@ void Clang::ConstructJob(Compilation &C, const JobAction &JA,
// Prepare `-aux-target-cpu` and `-aux-target-feature` unless
// `--gpu-use-aux-triple-only` is specified.
if (!Args.getLastArg(options::OPT_gpu_use_aux_triple_only) &&
- (IsCudaDevice || IsHIPDevice)) {
+ (IsCudaDevice || IsHIPDevice || IsSYCLDevice)) {
const ArgList &HostArgs =
C.getArgsForToolChain(nullptr, StringRef(), Action::OFK_None);
std::string HostCPU =
diff --git a/clang/lib/Driver/ToolChains/Gnu.cpp b/clang/lib/Driver/ToolChains/Gnu.cpp
index 52c2ee90b1b286..129413af750614 100644
--- a/clang/lib/Driver/ToolChains/Gnu.cpp
+++ b/clang/lib/Driver/ToolChains/Gnu.cpp
@@ -3051,7 +3051,8 @@ bool Generic_GCC::GCCInstallationDetector::ScanGentooGccConfig(
Generic_GCC::Generic_GCC(const Driver &D, const llvm::Triple &Triple,
const ArgList &Args)
: ToolChain(D, Triple, Args), GCCInstallation(D),
- CudaInstallation(D, Triple, Args), RocmInstallation(D, Triple, Args) {
+ CudaInstallation(D, Triple, Args), RocmInstallation(D, Triple, Args),
+ SYCLInstallation(D) {
getProgramPaths().push_back(getDriver().Dir);
}
diff --git a/clang/lib/Driver/ToolChains/Gnu.h b/clang/lib/Driver/ToolChains/Gnu.h
index 0b664a182d75e1..4c5ecf5401746a 100644
--- a/clang/lib/Driver/ToolChains/Gnu.h
+++ b/clang/lib/Driver/ToolChains/Gnu.h
@@ -12,6 +12,7 @@
#include "Cuda.h"
#include "LazyDetector.h"
#include "ROCm.h"
+#include "SYCL.h"
#include "clang/Driver/Tool.h"
#include "clang/Driver/ToolChain.h"
#include <set>
@@ -288,6 +289,7 @@ class LLVM_LIBRARY_VISIBILITY Generic_GCC : public ToolChain {
GCCInstallationDetector GCCInstallation;
LazyDetector<CudaInstallationDetector> CudaInstallation;
LazyDetector<RocmInstallationDetector> RocmInstallation;
+ SYCLInstallationDetector SYCLInsta...
[truncated]
``````````
</details>
https://github.com/llvm/llvm-project/pull/107493
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