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[NFC][Driver] Add an option to do ESIMD lowering in sycl-post-link #3197

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Merged
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Feb 12, 2021
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[NFC][Driver] Add an option to do ESIMD lowering in sycl-post-link #3197

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088519b
[Driver] Add an option to do ESIMD lowering in sycl-post-link
DenisBakhvalov Feb 10, 2021
36afcec
Update clang/include/clang/Driver/Options.td
DenisBakhvalov Feb 10, 2021
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4 changes: 4 additions & 0 deletions clang/include/clang/Driver/Options.td
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Expand Up @@ -2398,6 +2398,10 @@ def fsycl_device_code_split_esimd : Flag<["-"], "fsycl-device-code-split-esimd">
Flags<[CC1Option, CoreOption]>, HelpText<"Split SYCL and ESIMD kernels into separate modules">;
def fno_sycl_device_code_split_esimd : Flag<["-"], "fno-sycl-device-code-split-esimd">,
Flags<[CC1Option, CoreOption]>, HelpText<"Don't split SYCL and ESIMD kernels into separate modules">;
def fsycl_device_code_lower_esimd : Flag<["-"], "fsycl-device-code-lower-esimd">,
Flags<[CC1Option, CoreOption]>, HelpText<"Lower ESIMD-specific constructs">;
def fno_sycl_device_code_lower_esimd : Flag<["-"], "fno-sycl-device-code-lower-esimd">,
Flags<[CC1Option, CoreOption]>, HelpText<"Do not lower ESIMD-specific constructs">;
defm sycl_id_queries_fit_in_int: OptInFFlag<"sycl-id-queries-fit-in-int", "Assume", "Do not assume", " that SYCL ID queries fit within MAX_INT.", [CC1Option,CoreOption], LangOpts<"SYCLValueFitInMaxInt">>;
def fsycl_use_bitcode : Flag<["-"], "fsycl-use-bitcode">,
Flags<[CC1Option, CoreOption]>, HelpText<"Use LLVM bitcode instead of SPIR-V in fat objects">;
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3 changes: 3 additions & 0 deletions clang/lib/Driver/ToolChains/Clang.cpp
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Expand Up @@ -8321,6 +8321,9 @@ void SYCLPostLink::ConstructJob(Compilation &C, const JobAction &JA,
if (TCArgs.hasFlag(options::OPT_fsycl_device_code_split_esimd,
options::OPT_fno_sycl_device_code_split_esimd, true))
addArgs(CmdArgs, TCArgs, {"-split-esimd"});
if (TCArgs.hasFlag(options::OPT_fsycl_device_code_lower_esimd,
options::OPT_fno_sycl_device_code_lower_esimd, false))
addArgs(CmdArgs, TCArgs, {"-lower-esimd"});
}
// specialization constants processing is mandatory
auto *SYCLPostLink = llvm::dyn_cast<SYCLPostLinkJobAction>(&JA);
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12 changes: 12 additions & 0 deletions clang/test/Driver/sycl-offload-with-split.c
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Expand Up @@ -316,3 +316,15 @@
// RUN: %clang_cl -### -fsycl -fintelfpga %s 2>&1 | FileCheck %s -check-prefixes=CHK-NO-ESIMD-SPLIT
// CHK-ESIMD-SPLIT: sycl-post-link{{.*}} "-split-esimd"
// CHK-NO-ESIMD-SPLIT-NOT: sycl-post-link{{.*}} "-split-esimd"

// Check lowering of ESIMD device code.
// RUN: %clang -### -fsycl %s 2>&1 | FileCheck %s -check-prefixes=CHK-NO-ESIMD-LOWER
// RUN: %clang_cl -### -fsycl %s 2>&1 | FileCheck %s -check-prefixes=CHK-NO-ESIMD-LOWER
// RUN: %clang -### -fsycl -fsycl-device-code-lower-esimd %s 2>&1 | FileCheck %s -check-prefixes=CHK-ESIMD-LOWER
// RUN: %clang_cl -### -fsycl -fsycl-device-code-lower-esimd %s 2>&1 | FileCheck %s -check-prefixes=CHK-ESIMD-LOWER
// RUN: %clang -### -fsycl -fno-sycl-device-code-lower-esimd %s 2>&1 | FileCheck %s -check-prefixes=CHK-NO-ESIMD-LOWER
// RUN: %clang_cl -### -fsycl -fno-sycl-device-code-lower-esimd %s 2>&1 | FileCheck %s -check-prefixes=CHK-NO-ESIMD-LOWER
// RUN: %clang -### -fsycl -fintelfpga %s 2>&1 | FileCheck %s -check-prefixes=CHK-NO-ESIMD-LOWER
// RUN: %clang_cl -### -fsycl -fintelfpga %s 2>&1 | FileCheck %s -check-prefixes=CHK-NO-ESIMD-LOWER
// CHK-ESIMD-LOWER: sycl-post-link{{.*}} "-lower-esimd"
// CHK-NO-ESIMD-LOWER-NOT: sycl-post-link{{.*}} "-lower-esimd"