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[Driver][SYCL] Diagnose SYCL options in non-sycl mode. #10502

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Jul 25, 2023
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[Driver][SYCL] Diagnose SYCL options in non-sycl mode. #10502

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2f11fab
[Driver][SYCL] Disgnose SYCL options in non-sycl mode.
srividya-sundaram Jul 20, 2023
480aada
Address review comments.
srividya-sundaram Jul 21, 2023
deb33ff
Fix unnecessary parenthesis.
srividya-sundaram Jul 21, 2023
48417af
Update test.
srividya-sundaram Jul 21, 2023
447ae2e
Address review comments.
srividya-sundaram Jul 21, 2023
5e9c88b
Fix naming.
srividya-sundaram Jul 22, 2023
5d0be17
Merge branch 'sycl' into restrict-sycl-specific-option
srividya-sundaram Jul 24, 2023
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2 changes: 2 additions & 0 deletions clang/include/clang/Basic/DiagnosticDriverKinds.td
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Expand Up @@ -367,6 +367,8 @@ def err_drv_fsycl_with_pch : Error<
"Precompiled header generation is not supported with '-fsycl'">;
def err_drv_fsycl_unsupported_with_opt
: Error<"'%0' is not supported with '-fsycl'">;
def warn_drv_fsycl_host_compiler_options
: Warning<"'%0' should be used only in conjunction with '-fsycl-host-compiler'">, InGroup<InvalidCommandLineArgument>;
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def err_drv_sycl_missing_amdgpu_arch : Error<
"missing AMDGPU architecture for SYCL offloading; specify it with '-Xsycl-target-backend --offload-arch'">;
def warn_drv_sycl_offload_target_duplicate : Warning<
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8 changes: 4 additions & 4 deletions clang/include/clang/Driver/Options.td
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Expand Up @@ -5332,10 +5332,10 @@ def : Flag<["-"], "fno-sycl-explicit-simd">,
defm sycl_early_optimizations : OptOutCC1FFlag<"sycl-early-optimizations", "Enable", "Disable", " standard optimization pipeline for SYCL device compiler", [CoreOption]>,
MarshallingInfoFlag<CodeGenOpts<"DisableSYCLEarlyOpts">>;
def fsycl_dead_args_optimization : Flag<["-"], "fsycl-dead-args-optimization">,
Group<sycl_Group>, Flags<[NoArgumentUnused, CoreOption]>, HelpText<"Enables "
Group<sycl_Group>, Flags<[CoreOption]>, HelpText<"Enables "
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"elimination of DPC++ dead kernel arguments">;
def fno_sycl_dead_args_optimization : Flag<["-"], "fno-sycl-dead-args-optimization">,
Group<sycl_Group>, Flags<[NoArgumentUnused, CoreOption]>, HelpText<"Disables "
Group<sycl_Group>, Flags<[CoreOption]>, HelpText<"Disables "
"elimination of DPC++ dead kernel arguments">;
def fsycl_device_lib_EQ : CommaJoined<["-"], "fsycl-device-lib=">, Group<sycl_Group>, Flags<[NoXarchOption, CoreOption]>,
Values<"libc, libm-fp32, libm-fp64, libimf-fp32, libimf-fp64, libimf-bf16, all">, HelpText<"Control inclusion of "
Expand All @@ -5346,10 +5346,10 @@ def fno_sycl_device_lib_EQ : CommaJoined<["-"], "fno-sycl-device-lib=">, Group<s
"device libraries from device binary linkage. Valid arguments "
"are libc, libm-fp32, libm-fp64, all">;
def fsycl_device_lib_jit_link : Flag<["-"], "fsycl-device-lib-jit-link">,
Group<sycl_Group>, Flags<[NoArgumentUnused, CoreOption]>, HelpText<"Enables "
Group<sycl_Group>, Flags<[CoreOption]>, HelpText<"Enables "
"sycl device library jit link (experimental)">;
def fno_sycl_device_lib_jit_link : Flag<["-"], "fno-sycl-device-lib-jit-link">,
Group<sycl_Group>, Flags<[NoArgumentUnused, CoreOption]>, HelpText<"Disables "
Group<sycl_Group>, Flags<[CoreOption]>, HelpText<"Disables "
"sycl device library jit link (experimental)">;
def fsycl_fp32_prec_sqrt : Flag<["-"], "fsycl-fp32-prec-sqrt">, Group<sycl_Group>, Flags<[CC1Option]>,
HelpText<"SYCL only. Specify that single precision floating-point sqrt is correctly rounded.">,
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9 changes: 9 additions & 0 deletions clang/lib/Driver/Driver.cpp
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Expand Up @@ -1106,6 +1106,11 @@ void Driver::CreateOffloadingDeviceToolChains(Compilation &C,
getArgRequiringSYCLRuntime(options::OPT_fsycl_add_targets_EQ);
Arg *SYCLLink = getArgRequiringSYCLRuntime(options::OPT_fsycl_link_EQ);
Arg *SYCLfpga = getArgRequiringSYCLRuntime(options::OPT_fintelfpga);
// Check if -fsycl-host-compiler is used in conjunction with -fsycl.
Arg *SYCLHostCompiler =
getArgRequiringSYCLRuntime(options::OPT_fsycl_host_compiler_EQ);
Arg *SYCLHostCompilerOptions =
getArgRequiringSYCLRuntime(options::OPT_fsycl_host_compiler_options_EQ);

// -fsycl-targets cannot be used with -fsycl-link-targets
if (SYCLTargets && SYCLLinkTargets)
Expand All @@ -1123,6 +1128,10 @@ void Driver::CreateOffloadingDeviceToolChains(Compilation &C,
if (SYCLTargets && SYCLfpga)
Diag(clang::diag::err_drv_option_conflict)
<< SYCLTargets->getSpelling() << SYCLfpga->getSpelling();
// -fsycl-host-compiler-options cannot be used without -fsycl-host-compiler
if (SYCLHostCompilerOptions && !SYCLHostCompiler)
Diag(clang::diag::warn_drv_fsycl_host_compiler_options)
<< SYCLHostCompilerOptions->getSpelling().split('=').first;

auto argSYCLIncompatible = [&](OptSpecifier OptId) {
if (!HasValidSYCLRuntime)
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151 changes: 151 additions & 0 deletions clang/test/Driver/sycl-specific-args-diagnostics.cpp
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@@ -0,0 +1,151 @@
// This test emits an error or a warning if -fsycl-* options are not used in
// conjunction with -fsycl.

// Error should be emitted when using -fsycl-host-compiler without -fsycl

// RUN: %clang -### -fsycl-host-compiler=g++ %s 2>&1 \
// RUN: | FileCheck -check-prefix=CHK-NO-FSYCL %s
// RUN: %clang_cl -### -fsycl-host-compiler=g++ %s 2>&1 \
// RUN: | FileCheck -check-prefix=CHK-NO-FSYCL %s
// CHK-NO-FSYCL: error: '-fsycl-host-compiler' must be used in conjunction with '-fsycl' to enable offloading

// Warning should be emitted when using -fsycl-host-compiler-options without -fsycl-host-compiler
// RUN: %clang -### -fsycl -fsycl-host-compiler-options="-g" %s 2>&1 \
// RUN: | FileCheck -check-prefix=CHK-FSYCL-WARNING %s
// RUN: %clang_cl -### -fsycl -fsycl-host-compiler-options="-g" %s 2>&1 \
// RUN: | FileCheck -check-prefix=CHK-FSYCL-WARNING %s
// CHK-FSYCL-WARNING: warning: '-fsycl-host-compiler-options' should be used only in conjunction with '-fsycl-host-compiler'

// Warning should be emitted when using -fsycl-dead-args-optimization without -fsycl
// RUN: %clang -### -fsycl-dead-args-optimization %s 2>&1 \
// RUN: | FileCheck -check-prefix=WARNING-DEAD-ARGS -DOPT=-fsycl-dead-args-optimization %s
// RUN: %clang_cl -### -fsycl-dead-args-optimization %s 2>&1 \
// RUN: | FileCheck -check-prefix=WARNING-DEAD-ARGS -DOPT=-fsycl-dead-args-optimization %s
// WARNING-DEAD-ARGS: warning: argument unused during compilation: '[[OPT]]' [-Wunused-command-line-argument]

// Warning should be emitted when using -fsycl-device-lib-jit-link without -fsycl
// RUN: %clang -### -fsycl-device-lib-jit-link %s 2>&1 \
// RUN: | FileCheck -check-prefix=WARNING-JIT-LINK -DOPT=-fsycl-device-lib-jit-link %s
// RUN: %clang_cl -### -fsycl-device-lib-jit-link %s 2>&1 \
// RUN: | FileCheck -check-prefix=WARNING-JIT-LINK -DOPT=-fsycl-device-lib-jit-link %s
// WARNING-JIT-LINK: warning: argument unused during compilation: '[[OPT]]' [-Wunused-command-line-argument]

// Warning should be emitted when using -fsycl-default-sub-group-size= without -fsycl
// RUN: %clang -### -fsycl-default-sub-group-size=10 %s 2>&1 \
// RUN: | FileCheck -check-prefix=WARNING-DSS %s
// WARNING-DSS: warning: argument unused during compilation: '-fsycl-default-sub-group-size=10' [-Wunused-command-line-argument]
// RUN: %clang_cl -### -fsycl-default-sub-group-size=10 %s 2>&1 \
// RUN: | FileCheck -check-prefix=WARNING-DSS-CL %s
// WARNING-DSS-CL: unknown argument ignored in clang-cl: '-fsycl-default-sub-group-size=10' [-Wunknown-argument]

// Warning should be emitted when using -fsycl-device-code-split-esimd without -fsycl
// RUN: %clang -### -fsycl-device-code-split-esimd %s 2>&1 \
// RUN: | FileCheck -check-prefix=WARNING-DCSE -DOPT=-fsycl-device-code-split-esimd %s
// WARNING-DCSE: warning: argument unused during compilation: '[[OPT]]' [-Wunused-command-line-argument]

// Warning should be emitted when using -fsycl-device-lib=libc without -fsycl
// RUN: %clang -### -fsycl-device-lib=libc %s 2>&1 \
// RUN: | FileCheck -check-prefix=WARNING-DEVICE-LIB %s
// RUN: %clang_cl -### -fsycl-device-lib=libc %s 2>&1 \
// RUN: | FileCheck -check-prefix=WARNING-DEVICE-LIB %s
// WARNING-DEVICE-LIB: warning: argument unused during compilation: '-fsycl-device-lib=libc' [-Wunused-command-line-argument]
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// Warning should be emitted when using -fsycl-device-obj=spirv without -fsycl
// RUN: %clang -### -fsycl-device-obj=spirv %s 2>&1 \
// RUN: | FileCheck -check-prefix=WARNING-DEVICE-OBJ %s
// RUN: %clang_cl -### -fsycl-device-obj=spirv %s 2>&1 \
// RUN: | FileCheck -check-prefix=WARNING-DEVICE-OBJ %s
// WARNING-DEVICE-OBJ: warning: argument unused during compilation: '-fsycl-device-obj=spirv' [-Wunused-command-line-argument]
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// Warning should be emitted when using -fsycl-device-only without -fsycl
// RUN: %clang -### -fsycl-device-only %s 2>&1 \
// RUN: | FileCheck -check-prefix=WARNING-DEVICE-ONLY -DOPT=-fsycl-device-only %s
// WARNING-DEVICE-ONLY-NOT: warning: argument unused during compilation: '[[OPT]]' [-Wunused-command-line-argument]
// RUN: %clang_cl -### -fsycl-device-only %s 2>&1 \
// RUN: | FileCheck -check-prefix=WARNING-DEVICE-ONLY -DOPT=-fsycl-device-only %s
// WARNING-DEVICE-ONLY-NOT: warning: argument unused during compilation: '[[OPT]]' [-Wunused-command-line-argument]

// Warning should be emitted when using -fsycl-early-optimizations without -fsycl
// RUN: %clang -### -fsycl-early-optimizations %s 2>&1 \
// RUN: | FileCheck -check-prefix=WARNING-EARLY-OPT -DOPT=-fsycl-early-optimizations %s
// RUN: %clang_cl -### -fsycl-early-optimizations %s 2>&1 \
// RUN: | FileCheck -check-prefix=WARNING-EARLY-OPT -DOPT=-fsycl-early-optimizations %s
// WARNING-EARLY-OPT: warning: argument unused during compilation: '[[OPT]]' [-Wunused-command-line-argument]

// Warning should be emitted when using -fsycl-embed-ir without -fsycl
// RUN: %clang -### -fsycl-embed-ir %s 2>&1 \
// RUN: | FileCheck -check-prefix=WARNING-EMBED-IR -DOPT=-fsycl-embed-ir %s
// RUN: %clang_cl -### -fsycl-embed-ir %s 2>&1 \
// RUN: | FileCheck -check-prefix=WARNING-EMBED-IR -DOPT=-fsycl-embed-ir %s
// WARNING-EMBED-IR: warning: argument unused during compilation: '[[OPT]]' [-Wunused-command-line-argument]

// Warning should be emitted when using -fsycl-esimd-force-stateless-mem without -fsycl
// RUN: %clang -### -fsycl-esimd-force-stateless-mem %s 2>&1 \
// RUN: | FileCheck -check-prefix=WARNING-FSM -DOPT=-fsycl-esimd-force-stateless-mem %s
// RUN: %clang_cl -### -fsycl-esimd-force-stateless-mem %s 2>&1 \
// RUN: | FileCheck -check-prefix=WARNING-FSM -DOPT=-fsycl-esimd-force-stateless-mem %s
// WARNING-FSM: warning: argument unused during compilation: '-fsycl-esimd-force-stateless-mem' [-Wunused-command-line-argument]

// Warning should be emitted when using -fsycl-force-inline-kernel-lambda without -fsycl
// RUN: %clang -### -fsycl-force-inline-kernel-lambda %s 2>&1 \
// RUN: | FileCheck -check-prefix=WARNING-FORCE-INLINE -DOPT=-fsycl-force-inline-kernel-lambda %s
// RUN: %clang_cl -### -fsycl-force-inline-kernel-lambda %s 2>&1 \
// RUN: | FileCheck -check-prefix=WARNING-FORCE-INLINE -DOPT=-fsycl-force-inline-kernel-lambda %s
// WARNING-FORCE-INLINE: warning: argument unused during compilation: '[[OPT]]' [-Wunused-command-line-argument]

// Warning should be emitted when using -fsycl-fp32-prec-sqrt without -fsycl
// RUN: %clang -### -fsycl-fp32-prec-sqrt %s 2>&1 \
// RUN: | FileCheck -check-prefix=WARNING-FP32 -DOPT=-fsycl-fp32-prec-sqrt %s
// WARNING-FP32: warning: argument unused during compilation: '-fsycl-fp32-prec-sqrt' [-Wunused-command-line-argument]
// RUN: %clang_cl -### -fsycl-fp32-prec-sqrt %s 2>&1 \
// RUN: | FileCheck -check-prefix=WARNING-FP32-CL -DOPT=-fsycl-fp32-prec-sqrt %s
// WARNING-FP32-CL: warning: unknown argument ignored in clang-cl: '[[OPT]]' [-Wunknown-argument]

// Warning should be emitted when using -fsycl-id-queries-fit-in-int without -fsycl
// RUN: %clang -### -fsycl-id-queries-fit-in-int %s 2>&1 \
// RUN: | FileCheck -check-prefix=WARNING-ID -DOPT=-fsycl-id-queries-fit-in-int %s
// RUN: %clang_cl -### -fsycl-id-queries-fit-in-int %s 2>&1 \
// RUN: | FileCheck -check-prefix=WARNING-ID -DOPT=-fsycl-id-queries-fit-in-int %s
// WARNING-ID: warning: argument unused during compilation: '[[OPT]]' [-Wunused-command-line-argument]

// Warning should be emitted when using -fsycl-instrument-device-code without -fsycl
// RUN: %clang -### -fsycl-instrument-device-code %s 2>&1 \
// RUN: | FileCheck -check-prefix=WARNING-INS-DEV -DOPT=-fsycl-instrument-device-code %s
// RUN: %clang_cl -### -fsycl-instrument-device-code %s 2>&1 \
// RUN: | FileCheck -check-prefix=WARNING-INS-DEV -DOPT=-fsycl-instrument-device-code %s
// WARNING-INS-DEV: warning: argument unused during compilation: '[[OPT]]' [-Wunused-command-line-argument]

// Warning should be emitted when using -fsycl-libspirv-path without -fsycl
// RUN: %clang -### -fsycl-libspirv-path=libspirv.bc %s 2>&1 \
// RUN: | FileCheck -check-prefix=WARNING-LIBSPRIV %s
// RUN: %clang_cl -### -fsycl-libspirv-path=libspirv.bc %s 2>&1 \
// RUN: | FileCheck -check-prefix=WARNING-LIBSPRIV %s
// WARNING-LIBSPRIV: warning: argument unused during compilation: '-fsycl-libspirv-path=libspirv.bc' [-Wunused-command-line-argument]
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// Warning should be emitted when using -fsycl-max-parallel-link-jobs without -fyscl
// RUN: %clang -### -fsycl-max-parallel-link-jobs=4 %s 2>&1 \
// RUN: | FileCheck -check-prefix=WARNING-PARALLEL %s
// RUN: %clang_cl -### -fsycl-max-parallel-link-jobs=4 %s 2>&1 \
// RUN: | FileCheck -check-prefix=WARNING-PARALLEL %s
// WARNING-PARALLEL: warning: argument unused during compilation: '-fsycl-max-parallel-link-jobs=4' [-Wunused-command-line-argument]
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// Warning should be emitted when using -fsycl-optimize-non-user-code without -fsycl
// RUN: %clang -### -fsycl-optimize-non-user-code %s 2>&1 \
// RUN: | FileCheck -check-prefix=WARNING-OPTIMIZE -DOPT=-fsycl-optimize-non-user-code %s
// RUN: %clang_cl -### -fsycl-optimize-non-user-code %s 2>&1 \
// RUN: | FileCheck -check-prefix=WARNING-OPTIMIZE -DOPT=-fsycl-optimize-non-user-code %s
// WARNING-OPTIMIZE: warning: argument unused during compilation: '[[OPT]]' [-Wunused-command-line-argument]

// Warning should be emitted when using -fsycl-unnamed-lambda without -fsycl
// RUN: %clang -### -fsycl-unnamed-lambda %s 2>&1 \
// RUN: | FileCheck -check-prefix=WARNING-UNNAMED-LAMBDA -DOPT=-fsycl-unnamed-lambda %s
// RUN: %clang_cl -### -fsycl-unnamed-lambda %s 2>&1 \
// RUN: | FileCheck -check-prefix=WARNING-UNNAMED-LAMBDA -DOPT=-fsycl-unnamed-lambda %s
// WARNING-UNNAMED-LAMBDA: warning: argument unused during compilation: '[[OPT]]' [-Wunused-command-line-argument]

// Warning should be emitted when using -fsycl-use-bitcode without -fsycl
// RUN: %clang -### -fsycl-use-bitcode %s 2>&1 \
// RUN: | FileCheck -check-prefix=WARNING-USE-BITCODE -DOPT=-fsycl-use-bitcode %s
// RUN: %clang_cl -### -fsycl-use-bitcode %s 2>&1 \
// RUN: | FileCheck -check-prefix=WARNING-USE-BITCODE -DOPT=-fsycl-use-bitcode %s
// WARNING-USE-BITCODE: warning: argument unused during compilation: '[[OPT]]' [-Wunused-command-line-argument]
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