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[Clang][Driver] Enable offloadlib option for clang-cl (#162980)

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--[no-]offloadlib option is used by rocm and cuda toolchain to
enable/disable device libraries in linking phase for device code. It
makes sense to re-use this option in SYCL for similar purpose and since
clang driver supports SYCL in CL compatibility mode, we also need to
enable this option in CL compatibility mode.

---------

Signed-off-by: jinge90 <ge.jin@intel.com>
This commit is contained in:
jinge90
2025-10-28 09:10:28 +08:00
committed by GitHub
parent 45b1bcfa26
commit 0ece134031
2 changed files with 8 additions and 3 deletions
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6
clang/include/clang/Driver/Options.td
View File

@@ -5980,10 +5980,10 @@ def : Flag<["-"], "nocudainc">, Alias<no_offload_inc>;
def no_offloadlib
: Flag<["--"], "no-offloadlib">,
MarshallingInfoFlag<LangOpts<"NoGPULib">>,
Visibility<[ClangOption, CC1Option, FlangOption, FC1Option]>,
HelpText<"Do not link device library for CUDA/HIP device compilation">;
Visibility<[ClangOption, CC1Option, CLOption, FlangOption, FC1Option]>,
HelpText<"Do not link device library for CUDA/HIP/SYCL device compilation">;
def offloadlib : Flag<["--"], "offloadlib">,
Visibility<[ClangOption, CC1Option, FlangOption, FC1Option]>,
Visibility<[ClangOption, CC1Option, CLOption, FlangOption, FC1Option]>,
HelpText<"Link device libraries for GPU device compilation">;
def : Flag<["-"], "nogpulib">,
Alias<no_offloadlib>,

5
clang/test/Driver/sycl.c
View File

@@ -25,3 +25,8 @@
// RUN: %clang_cl -### -fsycl -- %s 2>&1 | FileCheck %s --check-prefix=DEFAULT
// DEFAULT: "-sycl-std=2020"
// RUN: %clang -### -fsycl -sycl-std=2017 --no-offloadlib -- %s 2>&1 | FileCheck %s --check-prefix=CHECK-NO-OFFLOADLIB
// RUN: %clangxx -### -fsycl -sycl-std=2017 --no-offloadlib -- %s 2>&1 | FileCheck %s --check-prefix=CHECK-NO-OFFLOADLIB
// RUN: %clang_cl -### -fsycl -sycl-std=2017 --no-offloadlib -- %s 2>&1 | FileCheck %s --check-prefix=CHECK-NO-OFFLOADLIB
// CHECK-NO-OFFLOADLIB-NOT: warning: unknown argument ignored in clang-cl: '--no-offloadlib'