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[SYCL][Driver] Link Native Bfloat16 devicelib for PTL #19940

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Merged
merged 3 commits into from
Sep 4, 2025
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[SYCL][Driver] Link Native Bfloat16 devicelib for PTL #19940

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[SYCL][Driver] Link Native Bfloat16 devicelib for PTL
jinge90 Sep 2, 2025
ad5ead5
Add lit test for clang_cl
jinge90 Sep 3, 2025
708dd56
Merge remote-tracking branch 'upstream/sycl' into native_bf16_devicel…
jinge90 Sep 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 @@ -248,7 +248,8 @@ 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_g10", "intel_gpu_dg2_g11",
"intel_dg2_g12", "intel_gpu_bmg_g21", "intel_gpu_lnl_m"};
"intel_dg2_g12", "intel_gpu_bmg_g21", "intel_gpu_lnl_m",
"intel_gpu_ptl_h", "intel_gpu_ptl_u"};
const llvm::opt::ArgList &Args = C.getArgs();
bool NeedLibs = false;

Expand Down Expand Up @@ -290,7 +291,7 @@ 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("lnl");
Device.starts_with("lnl") || Device.starts_with("ptl");
};

auto checkSpirvJIT = [](StringRef Target) {
Expand Down
102 changes: 102 additions & 0 deletions clang/test/Driver/sycl-device-lib-bfloat16.cpp
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Original file line number Diff line number Diff line change
Expand Up @@ -8,11 +8,16 @@
/// Test that no bfloat16 libraries are added in JIT mode.
// RUN: %clangxx -fsycl %s --sysroot=%S/Inputs/SYCL -### 2>&1 \
// RUN: | FileCheck %s -check-prefix=BFLOAT16 --dump-input=always
// RUN: %clang_cl -fsycl %s --sysroot=%S/Inputs/SYCL -### 2>&1 \
// RUN: | FileCheck %s -check-prefix=BFLOAT16 --dump-input=always

// Test that no bfloat16 libraries are added in JIT mode with generic target.
// RUN: %clangxx -fsycl -fsycl-targets=spir64 %s \
// RUN: --sysroot=%S/Inputs/SYCL -### 2>&1 \
// RUN: | FileCheck %s -check-prefix=BFLOAT16
// RUN: %clang_cl -fsycl -fsycl-targets=spir64 %s \
// RUN: --sysroot=%S/Inputs/SYCL -### 2>&1 \
// RUN: | FileCheck %s -check-prefix=BFLOAT16

// Test that a PVC AOT compilation uses the native library.
// RUN: %clangxx -fsycl -fsycl-targets=spir64_gen -Xsycl-target-backend \
Expand All @@ -21,68 +26,108 @@
// RUN: %clangxx -fsycl -fsycl-targets=intel_gpu_pvc %s \
// RUN: --sysroot=%S/Inputs/SYCL -### 2>&1 \
// RUN: | FileCheck %s -check-prefix=BFLOAT16-NATIVE
// RUN: %clang_cl -fsycl -fsycl-targets=spir64_gen -Xsycl-target-backend \
// RUN: "-device pvc" %s --sysroot=%S/Inputs/SYCL -### 2>&1 \
// RUN: | FileCheck %s -check-prefix=BFLOAT16-NATIVE

// Test that unless all targets support bfloat16, AOT compilation uses the
// fallback library.
// RUN: %clangxx -fsycl -fsycl-targets=spir64_gen -Xsycl-target-backend \
// RUN: "-device pvc,gen9" %s --sysroot=%S/Inputs/SYCL -### 2>&1 \
// RUN: | FileCheck %s -check-prefix=BFLOAT16-FALLBACK
// RUN: %clang_cl -fsycl -fsycl-targets=spir64_gen -Xsycl-target-backend \
// RUN: "-device pvc,gen9" %s --sysroot=%S/Inputs/SYCL -### 2>&1 \
// RUN: | FileCheck %s -check-prefix=BFLOAT16-FALLBACK

// Test that when all targets support bfloat16, AOT compilation uses the
// native library.
// RUN: %clangxx -fsycl -fsycl-targets=spir64_gen -Xsycl-target-backend \
// RUN: "-device pvc-sdv,ats-m75" %s --sysroot=%S/Inputs/SYCL -### 2>&1 \
// RUN: | FileCheck %s -check-prefix=BFLOAT16-NATIVE
// RUN: %clang_cl -fsycl -fsycl-targets=spir64_gen -Xsycl-target-backend \
// RUN: "-device pvc-sdv,ats-m75" %s --sysroot=%S/Inputs/SYCL -### 2>&1 \
// RUN: | FileCheck %s -check-prefix=BFLOAT16-NATIVE

// Test that a gen9 AOT compilation uses the fallback library.
// RUN: %clangxx -fsycl -fsycl-targets=spir64_gen -Xsycl-target-backend \
// RUN: "-device gen9" %s --sysroot=%S/Inputs/SYCL -### 2>&1 \
// RUN: | FileCheck %s -check-prefix=BFLOAT16-FALLBACK
// RUN: %clang_cl -fsycl -fsycl-targets=spir64_gen -Xsycl-target-backend \
// RUN: "-device gen9" %s --sysroot=%S/Inputs/SYCL -### 2>&1 \
// RUN: | FileCheck %s -check-prefix=BFLOAT16-FALLBACK

// Test that a generic AOT compilation uses the fallback library.
// RUN: %clangxx -fsycl -fsycl-targets=spir64_gen -Xsycl-target-backend \
// RUN: "-device *" %s --sysroot=%S/Inputs/SYCL -### 2>&1 \
// RUN: | FileCheck %s -check-prefix=BFLOAT16-FALLBACK
// RUN: %clang_cl -fsycl -fsycl-targets=spir64_gen -Xsycl-target-backend \
// RUN: "-device *" %s --sysroot=%S/Inputs/SYCL -### 2>&1 \
// RUN: | FileCheck %s -check-prefix=BFLOAT16-FALLBACK

// Test that a mixed JIT + AOT-PVC compilation uses no libs + fallback libs.
// RUN: %clangxx -fsycl -fsycl-targets=spir64,spir64_gen \
// RUN: -Xsycl-target-backend=spir64_gen "-device pvc" %s \
// RUN: --sysroot=%S/Inputs/SYCL -### 2>&1 \
// RUN: | FileCheck %s -check-prefix=BFLOAT16-NONE-NATIVE
// RUN: %clang_cl -fsycl -fsycl-targets=spir64,spir64_gen \
// RUN: -Xsycl-target-backend=spir64_gen "-device pvc" %s \
// RUN: --sysroot=%S/Inputs/SYCL -### 2>&1 \
// RUN: | FileCheck %s -check-prefix=BFLOAT16-NONE-NATIVE

// Test that a mixed JIT + AOT-Gen9 compilation uses no libs + native libs.
// RUN: %clangxx -fsycl -fsycl-targets=spir64,spir64_gen \
// RUN: -Xsycl-target-backend=spir64_gen "-device gen9" %s \
// RUN: --sysroot=%S/Inputs/SYCL -### 2>&1 \
// RUN: | FileCheck %s -check-prefix=BFLOAT16-NONE-FALLBACK
// RUN: %clang_cl -fsycl -fsycl-targets=spir64,spir64_gen \
// RUN: -Xsycl-target-backend=spir64_gen "-device gen9" %s \
// RUN: --sysroot=%S/Inputs/SYCL -### 2>&1 \
// RUN: | FileCheck %s -check-prefix=BFLOAT16-NONE-FALLBACK

// Test that an AOT-CPU + AOT-PVC compilation fallback + fallback libs.
// RUN: %clangxx -fsycl -fsycl-targets=spir64_x86_64,spir64_gen \
// RUN: -Xsycl-target-backend=spir64_gen "-device pvc" %s \
// RUN: --sysroot=%S/Inputs/SYCL -### 2>&1 \
// RUN: | FileCheck %s -check-prefix=BFLOAT16-FALLBACK-NATIVE
// RUN: %clang_cl -fsycl -fsycl-targets=spir64_x86_64,spir64_gen \
// RUN: -Xsycl-target-backend=spir64_gen "-device pvc" %s \
// RUN: --sysroot=%S/Inputs/SYCL -### 2>&1 \
// RUN: | FileCheck %s -check-prefix=BFLOAT16-FALLBACK-NATIVE

// Test that an AOT-CPU + AOT-Gen9 compilation uses fallback + native libs.
// RUN: %clangxx -fsycl -fsycl-targets=spir64_x86_64,spir64_gen \
// RUN: -Xsycl-target-backend=spir64_gen "-device gen9" %s \
// RUN: --sysroot=%S/Inputs/SYCL -### 2>&1 \
// RUN: | FileCheck %s -check-prefix=BFLOAT16-FALLBACK-FALLBACK
// RUN: %clang_cl -fsycl -fsycl-targets=spir64_x86_64,spir64_gen \
// RUN: -Xsycl-target-backend=spir64_gen "-device gen9" %s \
// RUN: --sysroot=%S/Inputs/SYCL -### 2>&1 \
// RUN: | FileCheck %s -check-prefix=BFLOAT16-FALLBACK-FALLBACK


// Test AOT-DG2 compilation uses native libs + native libs.
// RUN: %clangxx -fsycl -fsycl-targets=intel_gpu_acm_g10 \
// RUN: --sysroot=%S/Inputs/SYCL %s -### 2>&1 \
// RUN: | FileCheck %s -check-prefix=BFLOAT16-NATIVE
// RUN: %clang_cl -fsycl -fsycl-targets=intel_gpu_acm_g10 \
// RUN: --sysroot=%S/Inputs/SYCL %s -### 2>&1 \
// RUN: | FileCheck %s -check-prefix=BFLOAT16-NATIVE

// Test AOT-PVC + AOT-DG2 compilation uses native libs + native libs.
// RUN: %clangxx -fsycl -fsycl-targets=intel_gpu_pvc,intel_gpu_acm_g10 \
// RUN: --sysroot=%S/Inputs/SYCL %s -### 2>&1 \
// RUN: | FileCheck %s -check-prefix=BFLOAT16-NATIVE-NATIVE
// RUN: %clang_cl -fsycl -fsycl-targets=intel_gpu_pvc,intel_gpu_acm_g10 \
// RUN: --sysroot=%S/Inputs/SYCL %s -### 2>&1 \
// RUN: | FileCheck %s -check-prefix=BFLOAT16-NATIVE-NATIVE

// Test AOT-PVC + AOT-DG1 compilation uses native libs + native libs.
// RUN: %clangxx -fsycl -fsycl-targets=intel_gpu_dg1,intel_gpu_acm_g10 \
// RUN: --sysroot=%S/Inputs/SYCL %s -### 2>&1 \
// RUN: | FileCheck %s -check-prefix=BFLOAT16-FALLBACK-FALLBACK
// RUN: %clang_cl -fsycl -fsycl-targets=intel_gpu_dg1,intel_gpu_acm_g10 \
// RUN: --sysroot=%S/Inputs/SYCL %s -### 2>&1 \
// RUN: | FileCheck %s -check-prefix=BFLOAT16-FALLBACK-FALLBACK


// Test AOT-PVC + JIT compilation uses native libs + no libs
Expand All @@ -98,6 +143,9 @@
// RUN: %clangxx -fsycl -fsycl-targets=intel_gpu_pvc,spirv64-unknown-unknown \
// RUN: --sysroot=%S/Inputs/SYCL %s -### 2>&1 \
// RUN: | FileCheck %s -check-prefix=BFLOAT16-NATIVE-NONE
// RUN: %clang_cl -fsycl -fsycl-targets=intel_gpu_pvc,spir64 \
// RUN: --sysroot=%S/Inputs/SYCL %s -### 2>&1 \
// RUN: | FileCheck %s -check-prefix=BFLOAT16-NATIVE-NONE

// Test AOT-DG1 + JIT compilation uses native libs + no libs
// RUN: %clangxx -fsycl -fsycl-targets=intel_gpu_dg1,spir64 \
Expand All @@ -112,6 +160,9 @@
// RUN: %clangxx -fsycl -fsycl-targets=intel_gpu_dg1,spirv64-unknown-unknown \
// RUN: --sysroot=%S/Inputs/SYCL %s -### 2>&1 \
// RUN: | FileCheck %s -check-prefix=BFLOAT16-FALLBACK-NONE
// RUN: %clang_cl -fsycl -fsycl-targets=intel_gpu_dg1,spir64 \
// RUN: --sysroot=%S/Inputs/SYCL %s -### 2>&1 \
// RUN: | FileCheck %s -check-prefix=BFLOAT16-FALLBACK-NONE

// Test AOT-PVC + JIT compilation + AOT-DG2 uses native libs + no libs + native libs
// RUN: %clangxx -fsycl -fsycl-targets=intel_gpu_pvc,spir64,intel_gpu_acm_g10 \
Expand All @@ -126,6 +177,9 @@
// RUN: %clangxx -fsycl -fsycl-targets=intel_gpu_pvc,spirv64-unknown-unknown,intel_gpu_acm_g10 \
// RUN: --sysroot=%S/Inputs/SYCL %s -### 2>&1 \
// RUN: | FileCheck %s -check-prefix=BFLOAT16-NATIVE-NONE-NATIVE
// RUN: %clang_cl -fsycl -fsycl-targets=intel_gpu_pvc,spir64,intel_gpu_acm_g10 \
// RUN: --sysroot=%S/Inputs/SYCL %s -### 2>&1 \
// RUN: | FileCheck %s -check-prefix=BFLOAT16-NATIVE-NONE-NATIVE

// Test AOT-PVC + JIT compilation + AOT-DG1 uses fallback libs + no libs + fallback libs
// RUN: %clangxx -fsycl -fsycl-targets=intel_gpu_pvc,spir64,intel_gpu_dg1 \
Expand All @@ -140,6 +194,9 @@
// RUN: %clangxx -fsycl -fsycl-targets=intel_gpu_pvc,spirv64-unknown-unknown,intel_gpu_dg1 \
// RUN: --sysroot=%S/Inputs/SYCL %s -### 2>&1 \
// RUN: | FileCheck %s -check-prefix=BFLOAT16-FALLBACK-NONE-FALLBACK
// RUN: %clang_cl -fsycl -fsycl-targets=intel_gpu_pvc,spir64,intel_gpu_dg1 \
// RUN: --sysroot=%S/Inputs/SYCL %s -### 2>&1 \
// RUN: | FileCheck %s -check-prefix=BFLOAT16-FALLBACK-NONE-FALLBACK

// Test AOT-PVC + AOT-DG1 specified via different options, uses fallback libs
// RUN: %clangxx -fsycl -fsycl-targets=intel_gpu_pvc,spir64_gen \
Expand All @@ -148,6 +205,9 @@
// RUN: %clangxx -fsycl -fsycl-targets=intel_gpu_dg1,spir64_gen \
// RUN: --sysroot=%S/Inputs/SYCL -Xsycl-target-backend=spir64_gen "-device pvc" \
// RUN: %s -### 2>&1 | FileCheck %s -check-prefix=BFLOAT16-FALLBACK-FALLBACK
// RUN: %clang_cl -fsycl -fsycl-targets=intel_gpu_pvc,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

// Test AOT-PVC + AOT-BMG specified via different options, uses native libs
// RUN: %clangxx -fsycl -fsycl-targets=intel_gpu_bmg_g21,spir64_gen \
Expand All @@ -156,6 +216,9 @@
// RUN: %clangxx -fsycl -fsycl-targets=intel_gpu_pvc,spir64_gen \
// 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
// RUN: %clang_cl -fsycl -fsycl-targets=intel_gpu_bmg_g21,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

// Test AOT-DG2 + AOT-DG1 specified via different options, uses fallback libs
// RUN: %clangxx -fsycl -fsycl-targets=intel_gpu_dg2_g10,spir64_gen \
Expand All @@ -164,6 +227,9 @@
// RUN: %clangxx -fsycl -fsycl-targets=intel_gpu_dg1,spir64_gen \
// RUN: --sysroot=%S/Inputs/SYCL -Xsycl-target-backend=spir64_gen "-device dg2_g12" \
// RUN: %s -### 2>&1 | FileCheck %s -check-prefix=BFLOAT16-FALLBACK-FALLBACK
// RUN: %clang_cl -fsycl -fsycl-targets=intel_gpu_dg2_g10,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

// Test AOT-PVC + AOT-DG2 specified via different options, uses native libs
// RUN: %clangxx -fsycl -fsycl-targets=intel_gpu_dg2_g11,spir64_gen \
Expand All @@ -172,6 +238,9 @@
// RUN: %clangxx -fsycl -fsycl-targets=intel_gpu_pvc,spir64_gen \
// RUN: --sysroot=%S/Inputs/SYCL -Xsycl-target-backend=spir64_gen "-device dg2_g12" \
// RUN: %s -### 2>&1 | FileCheck %s -check-prefix=BFLOAT16-NATIVE-NATIVE
// RUN: %clang_cl -fsycl -fsycl-targets=intel_gpu_dg2_g11,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

// Test AOT-PVC + AOT-LNL specified via different options, uses native libs
// RUN: %clangxx -fsycl -fsycl-targets=intel_gpu_lnl_m,spir64_gen \
Expand All @@ -180,6 +249,9 @@
// 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
// RUN: %clang_cl -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

// Test AOT-LNL + AOT-DG1 specified via different options, uses fallback libs
// RUN: %clangxx -fsycl -fsycl-targets=intel_gpu_lnl_m,spir64_gen \
Expand All @@ -188,7 +260,37 @@
// 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
// RUN: %clang_cl -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

// Test AOT-PTL + 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 ptl_h" \
// RUN: %s -### 2>&1 | FileCheck %s -check-prefix=BFLOAT16-NATIVE-NATIVE
// RUN: %clangxx -fsycl -fsycl-targets=intel_gpu_lnl_m,spir64_gen \
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@srividya-sundaram srividya-sundaram Sep 2, 2025

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Are these supported in clang_cl mode?
If yes, please add test cases for the same.

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@jinge90 jinge90 Sep 3, 2025

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Hi, @srividya-sundaram
Yes, these tests should work with clang_cl mode.
Thanks very much.

// RUN: --sysroot=%S/Inputs/SYCL -Xsycl-target-backend=spir64_gen "-device ptl_u" \
// RUN: %s -### 2>&1 | FileCheck %s -check-prefix=BFLOAT16-NATIVE-NATIVE
// RUN: %clangxx -fsycl -fsycl-targets=intel_gpu_ptl_h,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
// RUN: %clangxx -fsycl -fsycl-targets=intel_gpu_ptl_u,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
// RUN: %clang_cl -fsycl -fsycl-targets=intel_gpu_lnl_m,spir64_gen \
// RUN: --sysroot=%S/Inputs/SYCL -Xsycl-target-backend=spir64_gen "-device ptl_h" \
// RUN: %s -### 2>&1 | FileCheck %s -check-prefix=BFLOAT16-NATIVE-NATIVE

// Test AOT-PTL + AOT-DG1 specified via different options, uses fallback libs
// RUN: %clangxx -fsycl -fsycl-targets=intel_gpu_ptl_h,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 ptl_u" \
// RUN: %s -### 2>&1 | FileCheck %s -check-prefix=BFLOAT16-FALLBACK-FALLBACK
// RUN: %clang_cl -fsycl -fsycl-targets=intel_gpu_ptl_h,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
// BFLOAT16-NOT: llvm-link{{.*}} "{{.*}}libsycl-{{fallback|native}}-bfloat16.bc"

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