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[SYCL][Driver] Link Native BF16 devicelib for lnl target #17154

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Merged
merged 8 commits into from
Mar 5, 2025
Merged

[SYCL][Driver] Link Native BF16 devicelib for lnl target #17154

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c6ec3b8
[SYCL][Driver] Link Native BF16 devicelib for lnl target
jinge90 Feb 25, 2025
9db4f3b
Merge remote-tracking branch 'upstream/sycl' into bf16_aot_lunarlake
jinge90 Feb 26, 2025
809440b
remove duplicated word
jinge90 Feb 26, 2025
ad3e967
fix typo in dg2 targets
jinge90 Feb 26, 2025
a0430bc
Merge remote-tracking branch 'upstream/sycl' into bf16_aot_lunarlake
jinge90 Feb 28, 2025
7a18fbb
fix clang format issue
jinge90 Feb 28, 2025
bf2c12d
Merge remote-tracking branch 'upstream/sycl' into bf16_aot_lunarlake
jinge90 Mar 3, 2025
deaeb1e
Merge remote-tracking branch 'upstream/sycl' into bf16_aot_lunarlake
jinge90 Mar 4, 2025
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5 changes: 3 additions & 2 deletions clang/lib/Driver/ToolChains/SYCL.cpp
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Original file line number Diff line number Diff line change
Expand Up @@ -310,7 +310,7 @@ static bool selectBfloatLibs(const llvm::Triple &Triple, const Compilation &C,
static llvm::SmallSet<StringRef, 8> GPUArchsWithNBF16{
"intel_gpu_pvc", "intel_gpu_acm_g10", "intel_gpu_acm_g11",
"intel_gpu_acm_g12", "intel_gpu_dg2_10", "intel_gpu_dg2_11",
"intel_dg2_g12", "intel_gpu_bmg_g21"};
"intel_dg2_g12", "intel_gpu_bmg_g21", "intel_gpu_lnl_m"};
const llvm::opt::ArgList &Args = C.getArgs();
bool NeedLibs = false;

Expand Down Expand Up @@ -351,7 +351,8 @@ static bool selectBfloatLibs(const llvm::Triple &Triple, const Compilation &C,

auto checkBF = [](StringRef Device) {
return Device.starts_with("pvc") || Device.starts_with("ats") ||
Device.starts_with("dg2") || Device.starts_with("bmg");
Device.starts_with("dg2") || Device.starts_with("bmg") ||
Device.starts_with("lnl");
};

auto checkSpirvJIT = [](StringRef Target) {
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16 changes: 16 additions & 0 deletions clang/test/Driver/sycl-device-lib-bfloat16.cpp
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Expand Up @@ -157,6 +157,22 @@
// RUN: --sysroot=%S/Inputs/SYCL -Xsycl-target-backend=spir64_gen "-device bmg-g21-a0" \
// RUN: %s -### 2>&1 | FileCheck %s -check-prefix=BFLOAT16-NATIVE-NATIVE

// Test test AOT-PVC + AOT-LNL specified via different options, uses native libs
// RUN: %clangxx -fsycl -fsycl-targets=intel_gpu_lnl_m,spir64_gen \
// RUN: --sysroot=%S/Inputs/SYCL -Xsycl-target-backend=spir64_gen "-device pvc" \
// RUN: %s -### 2>&1 | FileCheck %s -check-prefix=BFLOAT16-NATIVE-NATIVE
// RUN: %clangxx -fsycl -fsycl-targets=intel_gpu_pvc,spir64_gen \
// RUN: --sysroot=%S/Inputs/SYCL -Xsycl-target-backend=spir64_gen "-device lnl_m" \
// RUN: %s -### 2>&1 | FileCheck %s -check-prefix=BFLOAT16-NATIVE-NATIVE

// Test test AOT-LNL + AOT-DG1 specified via different options, uses fallback libs
// RUN: %clangxx -fsycl -fsycl-targets=intel_gpu_lnl_m,spir64_gen \
// RUN: --sysroot=%S/Inputs/SYCL -Xsycl-target-backend=spir64_gen "-device dg1" \
// RUN: %s -### 2>&1 | FileCheck %s -check-prefix=BFLOAT16-FALLBACK-FALLBACK
// RUN: %clangxx -fsycl -fsycl-targets=intel_gpu_dg1,spir64_gen \
// RUN: --sysroot=%S/Inputs/SYCL -Xsycl-target-backend=spir64_gen "-device lnl_m" \
// RUN: %s -### 2>&1 | FileCheck %s -check-prefix=BFLOAT16-FALLBACK-FALLBACK

// BFLOAT16-NOT: llvm-link{{.*}} "{{.*}}libsycl-{{fallback|native}}-bfloat16.bc"

// BFLOAT16-NATIVE: llvm-link{{.*}} "{{.*}}libsycl-native-bfloat16.bc"
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