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[clang][lit] Add SPIR-V to some OpenMP offload tests #165775

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Nov 4, 2025
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[clang][lit] Add SPIR-V to some OpenMP offload tests #165775

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36 changes: 28 additions & 8 deletions clang/test/OpenMP/metadirective_ast_print.c
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Original file line number Diff line number Diff line change
Expand Up @@ -2,17 +2,25 @@

// RUN: %clang_cc1 -verify -fopenmp-simd -triple x86_64-unknown-linux-gnu -x c -std=c99 -ast-print %s -o - | FileCheck %s --check-prefix=DEFAULT

// RUN: %clang_cc1 -verify -fopenmp -triple amdgcn-amd-amdhsa -x c -std=c99 -ast-print %s -o - | FileCheck %s --check-prefix=DEFAULT-AMDGCN
// RUN: %clang_cc1 -verify -fopenmp -triple amdgcn-amd-amdhsa -x c -std=c99 -ast-print %s -o - | FileCheck %s --check-prefix=DEFAULT-GPU

// RUN: %clang_cc1 -verify -fopenmp-simd -triple amdgcn-amd-amdhsa -x c -std=c99 -ast-print %s -o - | FileCheck %s --check-prefix=DEFAULT-AMDGCN
// RUN: %clang_cc1 -verify -fopenmp-simd -triple amdgcn-amd-amdhsa -x c -std=c99 -ast-print %s -o - | FileCheck %s --check-prefix=DEFAULT-GPU

// RUN: %clang_cc1 -verify -fopenmp -triple spirv64-intel -x c -std=c99 -ast-print %s -o - | FileCheck %s --check-prefix=DEFAULT-GPU

// RUN: %clang_cc1 -verify -fopenmp-simd -triple spirv64-intel -x c -std=c99 -ast-print %s -o - | FileCheck %s --check-prefix=DEFAULT-GPU

// RUN: %clang_cc1 -verify -fopenmp -fopenmp-version=52 -DOMP52 -triple x86_64-unknown-linux-gnu -x c -std=c99 -ast-print %s -o - | FileCheck %s --check-prefix=OMP52

// RUN: %clang_cc1 -verify -fopenmp-simd -fopenmp-version=52 -DOMP52 -triple x86_64-unknown-linux-gnu -x c -std=c99 -ast-print %s -o - | FileCheck %s --check-prefix=OMP52

// RUN: %clang_cc1 -verify -fopenmp -fopenmp-version=52 -DOMP52 -triple amdgcn-amd-amdhsa -x c -std=c99 -ast-print %s -o - | FileCheck %s --check-prefix=OMP52-AMDGCN
// RUN: %clang_cc1 -verify -fopenmp -fopenmp-version=52 -DOMP52 -triple amdgcn-amd-amdhsa -x c -std=c99 -ast-print %s -o - | FileCheck %s --check-prefix=OMP52-GPU

// RUN: %clang_cc1 -verify -fopenmp-simd -fopenmp-version=52 -DOMP52 -triple amdgcn-amd-amdhsa -x c -std=c99 -ast-print %s -o - | FileCheck %s --check-prefix=OMP52-GPU

// RUN: %clang_cc1 -verify -fopenmp -fopenmp-version=52 -DOMP52 -triple spirv64-intel -x c -std=c99 -ast-print %s -o - | FileCheck %s --check-prefix=OMP52-GPU

// RUN: %clang_cc1 -verify -fopenmp-simd -fopenmp-version=52 -DOMP52 -triple amdgcn-amd-amdhsa -x c -std=c99 -ast-print %s -o - | FileCheck %s --check-prefix=OMP52-AMDGCN
// RUN: %clang_cc1 -verify -fopenmp-simd -fopenmp-version=52 -DOMP52 -triple spirv64-intel -x c -std=c99 -ast-print %s -o - | FileCheck %s --check-prefix=OMP52-GPU
// expected-no-diagnostics

#ifndef HEADER
Expand Down Expand Up @@ -77,6 +85,12 @@ void foo1(void) {
for (int i = 0; i < 100; i++)
;

#pragma omp metadirective when(device={arch("spirv64")}: \
teams distribute parallel for)\
otherwise(parallel for)
for (int i = 0; i < 100; i++)
;

#pragma omp metadirective when(implementation = {extension(match_all)} \
: nothing) otherwise(parallel for)
for (int i = 0; i < 16; i++)
Expand Down Expand Up @@ -134,8 +148,8 @@ void foo1(void) {
// OMP52-NEXT: for (int i = 0; i < 16; i++) {
// OMP52-NEXT: #pragma omp simd
// OMP52-NEXT: for (int j = 0; j < 16; j++)
// OMP52-AMDGCN: #pragma omp teams distribute parallel for
// OMP52-AMDGCN-NEXT: for (int i = 0; i < 100; i++)
// OMP52-GPU: #pragma omp teams distribute parallel for
// OMP52-GPU-NEXT: for (int i = 0; i < 100; i++)
// OMP52: for (int i = 0; i < 16; i++)
// OMP52: for (int i = 0; i < 16; i++)

Expand Down Expand Up @@ -198,6 +212,12 @@ void foo2(void) {
for (int i = 0; i < 100; i++)
;

#pragma omp metadirective when(device={arch("spirv64")}: \
teams distribute parallel for)\
default(parallel for)
for (int i = 0; i < 100; i++)
;

#pragma omp metadirective when(implementation = {extension(match_all)} \
: nothing) default(parallel for)
for (int i = 0; i < 16; i++)
Expand Down Expand Up @@ -266,8 +286,8 @@ void foo2(void) {
// DEFAULT-NEXT: for (int i = 0; i < 16; i++) {
// DEFAULT-NEXT: #pragma omp simd
// DEFAULT-NEXT: for (int j = 0; j < 16; j++)
// DEFAULT-AMDGCN: #pragma omp teams distribute parallel for
// DEFAULT-AMDGCN-NEXT: for (int i = 0; i < 100; i++)
// DEFAULT-GPU: #pragma omp teams distribute parallel for
// DEFAULT-GPU-NEXT: for (int i = 0; i < 100; i++)
// DEFAULT: for (int i = 0; i < 16; i++)
// DEFAULT: for (int i = 0; i < 16; i++)

Expand Down
28 changes: 17 additions & 11 deletions clang/test/OpenMP/metadirective_device_arch_codegen.cpp
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Original file line number Diff line number Diff line change
@@ -1,7 +1,7 @@
// REQUIRES: amdgpu-registered-target

// RUN: %clang_cc1 -fopenmp -x c++ -w -std=c++11 -triple x86_64-unknown-unknown -fopenmp-targets=amdgcn-amd-amdhsa -emit-llvm-bc %s -o %t-ppc-host.bc
// RUN: %clang_cc1 -fopenmp -x c++ -w -std=c++11 -triple amdgcn-amd-amdhsa -fopenmp-targets=amdgcn-amd-amdhsa -emit-llvm %s -fopenmp-is-target-device -fopenmp-host-ir-file-path %t-ppc-host.bc -target-cpu gfx906 -o - | FileCheck %s
// RUN: %clang_cc1 -fopenmp -x c++ -w -std=c++11 -triple x86_64-unknown-unknown -fopenmp-targets=spirv64-intel -emit-llvm-bc %s -o %t-ppc-spirv-host.bc
// RUN: %clang_cc1 -fopenmp -x c++ -w -std=c++11 -triple spirv64-intel -fopenmp-targets=spirv64-intel -emit-llvm %s -fopenmp-is-target-device -fopenmp-host-ir-file-path %t-ppc-spirv-host.bc -o - | FileCheck %s
// expected-no-diagnostics


Expand All @@ -16,6 +16,12 @@ Inspired from SOLLVE tests:

#define N 1024

#ifdef __AMDGPU__
#define GPU "amdgcn"
#else
#define GPU "spirv64"
#endif

int metadirective1() {

int v1[N], v2[N], v3[N];
Expand All @@ -26,7 +32,7 @@ int metadirective1() {
#pragma omp target map(to:v1,v2) map(from:v3, target_device_num) device(default_device)
{
#pragma omp metadirective \
when(device={arch("amdgcn")}: teams distribute parallel for) \
when(device={arch(GPU)}: teams distribute parallel for) \
default(parallel for)

for (int i = 0; i < N; i++) {
Expand All @@ -38,28 +44,28 @@ int metadirective1() {
return errors;
}

// CHECK: define weak_odr protected amdgpu_kernel void @[[METADIRECTIVE:.+metadirective1[a-z0-9_]+]]
// CHECK: define weak_odr protected {{amdgpu|spir}}_kernel void @[[METADIRECTIVE:.+metadirective1[a-z0-9_]+]]
// CHECK: entry:
// CHECK: %{{[0-9]}} = call i32 @__kmpc_target_init
// CHECK: %{{[0-9]}} = call{{.*}} i32 @__kmpc_target_init
// CHECK: user_code.entry:
// CHECK: call void @[[METADIRECTIVE]]_omp_outlined
// CHECK-NOT: call void @__kmpc_parallel_51
// CHECK: call{{.*}} void @[[METADIRECTIVE]]_omp_outlined
// CHECK-NOT: call{{.*}} void @__kmpc_parallel_51
// CHECK: ret void


// CHECK: define internal void @[[METADIRECTIVE]]_omp_outlined
// CHECK: entry:
// CHECK: call void @__kmpc_distribute_static_init
// CHECK: call{{.*}} void @__kmpc_distribute_static_init
// CHECK: omp.loop.exit:
// CHECK: call void @__kmpc_distribute_static_fini
// CHECK: call{{.*}} void @__kmpc_distribute_static_fini


// CHECK: define internal void @[[METADIRECTIVE]]_omp_outlined_omp_outlined
// CHECK: entry:
// CHECK: call void @__kmpc_for_static_init_4
// CHECK: call{{.*}} void @__kmpc_for_static_init_4
// CHECK: omp.inner.for.body:
// CHECK: store atomic {{.*}} monotonic
// CHECK: omp.loop.exit:
// CHECK-NEXT: call void @__kmpc_for_static_fini
// CHECK-NEXT: call{{.*}} void @__kmpc_for_static_fini
// CHECK-NEXT: ret void

34 changes: 0 additions & 34 deletions clang/test/OpenMP/thread_limit_amdgpu.c
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This file was deleted.

41 changes: 41 additions & 0 deletions clang/test/OpenMP/thread_limit_gpu.c
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Original file line number Diff line number Diff line change
@@ -0,0 +1,41 @@
// Test target codegen - host bc file has to be created first.
// RUN: %clang_cc1 -verify -fopenmp -x c++ -triple x86_64-unknown-linux-gnu -fopenmp-targets=amdgcn-amd-amdhsa -emit-llvm-bc %s -o %t-x86-host.bc
// RUN: %clang_cc1 -verify -fopenmp -x c++ -triple amdgcn-amd-amdhsa -fopenmp-targets=amdgcn-amd-amdhsa -emit-llvm %s -fopenmp-is-target-device -fopenmp-host-ir-file-path %t-x86-host.bc -o - | FileCheck -check-prefixes=CHECK,CHECK-AMDGPU %s
// RUN: %clang_cc1 -verify -fopenmp -x c++ -triple x86_64-unknown-linux-gnu -fopenmp-targets=spirv64-intel -emit-llvm-bc %s -o %t-x86-spirv-host.bc
// RUN: %clang_cc1 -verify -fopenmp -x c++ -triple spirv64-intel -fopenmp-targets=spirv64-intel -emit-llvm %s -fopenmp-is-target-device -fopenmp-host-ir-file-path %t-x86-spirv-host.bc -o - | FileCheck -check-prefixes=CHECK,CHECK-SPIRV %s
// expected-no-diagnostics

#ifndef HEADER
#define HEADER

void foo(int N) {
#pragma omp target teams distribute parallel for simd
for (int i = 0; i < N; ++i)
;
#pragma omp target teams distribute parallel for simd thread_limit(4)
for (int i = 0; i < N; ++i)
;
#pragma omp target teams distribute parallel for simd ompx_attribute(__attribute__((launch_bounds(42, 42))))
for (int i = 0; i < N; ++i)
;
#pragma omp target teams distribute parallel for simd ompx_attribute(__attribute__((launch_bounds(42, 42)))) num_threads(22)
for (int i = 0; i < N; ++i)
;
}

#endif

// CHECK: define weak_odr protected {{amdgpu|spir}}_kernel void @{{__omp_offloading_[0-9a-z]+_[0-9a-z]+__Z3fooi_}}l12({{.*}}) #[[ATTR1:.+]] {
// CHECK: define weak_odr protected {{amdgpu|spir}}_kernel void @{{__omp_offloading_[0-9a-z]+_[0-9a-z]+__Z3fooi_}}l15({{.*}}) #[[ATTR2:.+]] {
// CHECK: define weak_odr protected {{amdgpu|spir}}_kernel void @{{__omp_offloading_[0-9a-z]+_[0-9a-z]+__Z3fooi_}}l18({{.*}}) #[[ATTR3:.+]] {
// CHECK: define weak_odr protected {{amdgpu|spir}}_kernel void @{{__omp_offloading_[0-9a-z]+_[0-9a-z]+__Z3fooi_}}l21({{.*}}) #[[ATTR4:.+]] {

// CHECK-AMDGPU: attributes #[[ATTR1]] = { {{.*}} "amdgpu-flat-work-group-size"="1,256" {{.*}} }
// CHECK-AMDGPU: attributes #[[ATTR2]] = { {{.*}} "amdgpu-flat-work-group-size"="1,4" {{.*}} }
// CHECK-AMDGPU: attributes #[[ATTR3]] = { {{.*}} "amdgpu-flat-work-group-size"="1,42" "amdgpu-max-num-workgroups"="42,1,1"{{.*}} }
// CHECK-AMDGPU: attributes #[[ATTR4]] = { {{.*}} "amdgpu-flat-work-group-size"="1,22" "amdgpu-max-num-workgroups"="42,1,1"{{.*}} }

// CHECK-SPIRV: attributes #[[ATTR1]] = { {{.*}} "omp_target_thread_limit"="256" {{.*}} }
// CHECK-SPIRV: attributes #[[ATTR2]] = { {{.*}} "omp_target_thread_limit"="4" {{.*}} }
// CHECK-SPIRV: attributes #[[ATTR3]] = { {{.*}} "omp_target_num_teams"="42" "omp_target_thread_limit"="42" {{.*}} }
// CHECK-SPIRV: attributes #[[ATTR4]] = { {{.*}} "omp_target_num_teams"="42" "omp_target_thread_limit"="22" {{.*}} }