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Merge remote-tracking branch 'origin/sycl' into wip/xpti_overheads
2 parents f7644c2 + 5c0a51d commit 5a67fb0

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‎.github/workflows/sycl-nightly.yml‎

Lines changed: 15 additions & 3 deletions
Original file line numberDiff line numberDiff line change
@@ -201,11 +201,23 @@ jobs:
201201
always()
202202
&& !cancelled()
203203
&& needs.build-win.outputs.build_conclusion == 'success'
204+
strategy:
205+
fail-fast: false
206+
matrix:
207+
include:
208+
- name: Intel L0 Gen12 GPU
209+
runner: '["Windows", "gen12"]'
210+
target_devices: level_zero:gpu
211+
212+
- name: Intel L0 Battlemage GPU
213+
runner: '["Windows", "bmg"]'
214+
target_devices: level_zero:gpu
215+
204216
uses: ./.github/workflows/sycl-windows-run-tests.yml
205217
with:
206-
name: Intel GEN12 Graphics with Level Zero
207-
runner: '["Windows","gen12"]'
208-
target_devices: level_zero:gpu
218+
name: ${{ matrix.name }}
219+
runner: ${{ matrix.runner }}
220+
target_devices: ${{ matrix.target_devices }}
209221
toolchain_artifact_filename: ${{ needs.build-win.outputs.toolchain_artifact_filename }}
210222

211223
cuda-aws-start:

‎clang/tools/clang-linker-wrapper/ClangLinkerWrapper.cpp‎

Lines changed: 2 additions & 1 deletion
Original file line numberDiff line numberDiff line change
@@ -305,8 +305,9 @@ Expected<StringRef> writeOffloadFile(const OffloadFile &File,
305305
sys::path::stem(Binary.getMemoryBufferRef().getBufferIdentifier());
306306
StringRef Suffix = getImageKindName(Binary.getImageKind());
307307

308+
StringRef BinArch = (Binary.getArch() == "*") ? "any" : Binary.getArch();
308309
auto TempFileOrErr = createOutputFile(
309-
Prefix + "-" + Binary.getTriple() + "-" + Binary.getArch(),
310+
Prefix + "-" + Binary.getTriple() + "-" + BinArch,
310311
HasSYCLOffloadKind ? getImageKindName(Binary.getImageKind()) : "o");
311312
if (!TempFileOrErr)
312313
return TempFileOrErr.takeError();

‎clang/tools/clang-offload-wrapper/ClangOffloadWrapper.cpp‎

Lines changed: 49 additions & 2 deletions
Original file line numberDiff line numberDiff line change
@@ -1293,6 +1293,48 @@ class BinaryWrapper {
12931293
appendToGlobalDtors(M, Func, /*Priority*/ 1);
12941294
}
12951295

1296+
void createSyclRegisterWithAtexitUnregister(GlobalVariable *BinDesc) {
1297+
auto *UnregFuncTy =
1298+
FunctionType::get(Type::getVoidTy(C), /*isVarArg*/ false);
1299+
auto *UnregFunc =
1300+
Function::Create(UnregFuncTy, GlobalValue::InternalLinkage,
1301+
"sycl.descriptor_unreg.atexit", &M);
1302+
UnregFunc->setSection(".text.startup");
1303+
1304+
// Declaration for __sycl_unregister_lib(void*).
1305+
auto *UnregTargetTy =
1306+
FunctionType::get(Type::getVoidTy(C), getPtrTy(), /*isVarArg=*/false);
1307+
FunctionCallee UnregTargetC =
1308+
M.getOrInsertFunction("__sycl_unregister_lib", UnregTargetTy);
1309+
1310+
IRBuilder<> UnregBuilder(BasicBlock::Create(C, "entry", UnregFunc));
1311+
UnregBuilder.CreateCall(UnregTargetC, BinDesc);
1312+
UnregBuilder.CreateRetVoid();
1313+
1314+
auto *RegFuncTy = FunctionType::get(Type::getVoidTy(C), /*isVarArg*/ false);
1315+
auto *RegFunc = Function::Create(RegFuncTy, GlobalValue::InternalLinkage,
1316+
"sycl.descriptor_reg", &M);
1317+
RegFunc->setSection(".text.startup");
1318+
1319+
auto *RegTargetTy =
1320+
FunctionType::get(Type::getVoidTy(C), getPtrTy(), false);
1321+
FunctionCallee RegTargetC =
1322+
M.getOrInsertFunction("__sycl_register_lib", RegTargetTy);
1323+
1324+
// `atexit` takes a `void(*)()` function pointer arg and returns an i32.
1325+
FunctionType *AtExitTy =
1326+
FunctionType::get(Type::getInt32Ty(C), getPtrTy(), false);
1327+
FunctionCallee AtExitC = M.getOrInsertFunction("atexit", AtExitTy);
1328+
1329+
IRBuilder<> RegBuilder(BasicBlock::Create(C, "entry", RegFunc));
1330+
RegBuilder.CreateCall(RegTargetC, BinDesc);
1331+
RegBuilder.CreateCall(AtExitC, UnregFunc);
1332+
RegBuilder.CreateRetVoid();
1333+
1334+
// Add this function to global destructors.
1335+
appendToGlobalCtors(M, RegFunc, /*Priority*/ 1);
1336+
}
1337+
12961338
public:
12971339
BinaryWrapper(StringRef Target, StringRef ToolName,
12981340
StringRef SymPropBCFiles = "")
@@ -1370,8 +1412,13 @@ class BinaryWrapper {
13701412

13711413
if (EmitRegFuncs) {
13721414
GlobalVariable *Desc = *DescOrErr;
1373-
createRegisterFunction(Kind, Desc);
1374-
createUnregisterFunction(Kind, Desc);
1415+
if (Kind == OffloadKind::SYCL &&
1416+
Triple(M.getTargetTriple()).isOSWindows()) {
1417+
createSyclRegisterWithAtexitUnregister(Desc);
1418+
} else {
1419+
createRegisterFunction(Kind, Desc);
1420+
createUnregisterFunction(Kind, Desc);
1421+
}
13751422
}
13761423
}
13771424
return &M;

‎devops/dependencies-igc-dev.json‎

Lines changed: 4 additions & 4 deletions
Original file line numberDiff line numberDiff line change
@@ -1,10 +1,10 @@
11
{
22
"linux": {
33
"igc_dev": {
4-
"github_tag": "igc-dev-788001e",
5-
"version": "788001e",
6-
"updated_at": "2025-09-03T22:42:39Z",
7-
"url": "https://api.github.com/repos/intel/intel-graphics-compiler/actions/artifacts/3921755581/zip",
4+
"github_tag": "igc-dev-558c584",
5+
"version": "558c584",
6+
"updated_at": "2025-09-05T22:44:40Z",
7+
"url": "https://api.github.com/repos/intel/intel-graphics-compiler/actions/artifacts/3941562792/zip",
88
"root": "{DEPS_ROOT}/opencl/runtime/linux/oclgpu"
99
}
1010
}

‎llvm/lib/Frontend/Offloading/SYCLOffloadWrapper.cpp‎

Lines changed: 51 additions & 2 deletions
Original file line numberDiff line numberDiff line change
@@ -34,6 +34,7 @@
3434
#include "llvm/Support/ErrorHandling.h"
3535
#include "llvm/Support/LineIterator.h"
3636
#include "llvm/Support/PropertySetIO.h"
37+
#include "llvm/TargetParser/Triple.h"
3738
#include "llvm/Transforms/Utils/ModuleUtils.h"
3839
#include <memory>
3940
#include <string>
@@ -734,6 +735,50 @@ struct Wrapper {
734735
// Add this function to global destructors.
735736
appendToGlobalDtors(M, Func, /*Priority*/ 1);
736737
}
738+
739+
void createSyclRegisterWithAtexitUnregister(GlobalVariable *FatbinDesc) {
740+
auto *UnregFuncTy =
741+
FunctionType::get(Type::getVoidTy(C), /*isVarArg*/ false);
742+
auto *UnregFunc =
743+
Function::Create(UnregFuncTy, GlobalValue::InternalLinkage,
744+
"sycl.descriptor_unreg.atexit", &M);
745+
UnregFunc->setSection(".text.startup");
746+
747+
// Declaration for __sycl_unregister_lib(void*).
748+
auto *UnregTargetTy =
749+
FunctionType::get(Type::getVoidTy(C), PointerType::getUnqual(C), false);
750+
FunctionCallee UnregTargetC =
751+
M.getOrInsertFunction("__sycl_unregister_lib", UnregTargetTy);
752+
753+
// Body of the unregister wrapper.
754+
IRBuilder<> UnregBuilder(BasicBlock::Create(C, "entry", UnregFunc));
755+
UnregBuilder.CreateCall(UnregTargetC, FatbinDesc);
756+
UnregBuilder.CreateRetVoid();
757+
758+
auto *RegFuncTy = FunctionType::get(Type::getVoidTy(C), /*isVarArg*/ false);
759+
auto *RegFunc = Function::Create(RegFuncTy, GlobalValue::InternalLinkage,
760+
"sycl.descriptor_reg", &M);
761+
RegFunc->setSection(".text.startup");
762+
763+
auto *RegTargetTy =
764+
FunctionType::get(Type::getVoidTy(C), PointerType::getUnqual(C), false);
765+
FunctionCallee RegTargetC =
766+
M.getOrInsertFunction("__sycl_register_lib", RegTargetTy);
767+
768+
// `atexit` takes a `void(*)()` function pointer arg and returns an i32.
769+
FunctionType *AtExitTy = FunctionType::get(
770+
Type::getInt32Ty(C), PointerType::getUnqual(C), false);
771+
FunctionCallee AtExitC = M.getOrInsertFunction("atexit", AtExitTy);
772+
773+
IRBuilder<> RegBuilder(BasicBlock::Create(C, "entry", RegFunc));
774+
RegBuilder.CreateCall(RegTargetC, FatbinDesc);
775+
RegBuilder.CreateCall(AtExitC, UnregFunc);
776+
RegBuilder.CreateRetVoid();
777+
778+
// Finally, add to global constructors.
779+
appendToGlobalCtors(M, RegFunc, /*Priority*/ 1);
780+
}
781+
737782
}; // end of Wrapper
738783

739784
} // anonymous namespace
@@ -747,7 +792,11 @@ Error llvm::offloading::wrapSYCLBinaries(llvm::Module &M,
747792
return createStringError(inconvertibleErrorCode(),
748793
"No binary descriptors created.");
749794

750-
W.createRegisterFatbinFunction(Desc);
751-
W.createUnregisterFunction(Desc);
795+
if (Triple(M.getTargetTriple()).isOSWindows()) {
796+
W.createSyclRegisterWithAtexitUnregister(Desc);
797+
} else {
798+
W.createRegisterFatbinFunction(Desc);
799+
W.createUnregisterFunction(Desc);
800+
}
752801
return Error::success();
753802
}

‎sycl-jit/jit-compiler/CMakeLists.txt‎

Lines changed: 9 additions & 3 deletions
Original file line numberDiff line numberDiff line change
@@ -9,12 +9,18 @@ else()
99
set(SYCL_JIT_VIRTUAL_TOOLCHAIN_ROOT "/sycl-jit-toolchain/")
1010
endif()
1111

12-
# TODO: libdevice
13-
set(SYCL_JIT_RESOURCE_DEPS sycl-headers clang ${CMAKE_CURRENT_SOURCE_DIR}/utils/generate.py)
12+
set(SYCL_JIT_RESOURCE_DEPS
13+
sycl-headers # include/sycl
14+
clang # lib/clang/N/include
15+
${CMAKE_CURRENT_SOURCE_DIR}/utils/generate.py)
1416

1517
if ("libclc" IN_LIST LLVM_ENABLE_PROJECTS)
1618
# Somehow just "libclc" doesn't build "remangled-*" (and maybe whatever else).
17-
list(APPEND SYCL_JIT_RESOURCE_DEPS libclc libspirv-builtins)
19+
list(APPEND SYCL_JIT_RESOURCE_DEPS libclc libspirv-builtins) # lib/clc/*.bc
20+
endif()
21+
22+
if ("libdevice" IN_LIST LLVM_ENABLE_PROJECTS)
23+
list(APPEND SYCL_JIT_RESOURCE_DEPS libsycldevice) # lib/*.bc
1824
endif()
1925

2026
add_custom_command(

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