derek.holloway
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103 lines
5.5 KiB
Plaintext
103 lines
5.5 KiB
Plaintext
#include "../CodeGenCUDA/Inputs/cuda.h"
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// REQUIRES: amdgpu-registered-target
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// RUN: %clang_cc1 -triple=amdgcn-amd-amdhsa -x hip -fclangir \
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// RUN: -Wno-deprecated-declarations \
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// RUN: -fcuda-is-device -emit-cir %s -o %t.cir
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// RUN: FileCheck --check-prefix=CIR %s --input-file=%t.cir
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// RUN: %clang_cc1 -triple=amdgcn-amd-amdhsa -x hip -fclangir \
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// RUN: -Wno-deprecated-declarations \
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// RUN: -fcuda-is-device -emit-llvm %s -o %t.ll
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// RUN: FileCheck --check-prefix=LLVM %s --input-file=%t.ll
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// RUN: %clang_cc1 -triple=amdgcn-amd-amdhsa -x hip \
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// RUN: -Wno-deprecated-declarations \
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// RUN: -fcuda-is-device -emit-llvm %s -o %t.ogcg.ll
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// RUN: FileCheck --check-prefix=LLVM %s --input-file=%t.ogcg.ll
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// RUN: %clang_cc1 -triple=amdgcn-amd-amdhsa -x hip -fclangir \
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// RUN: -Wno-deprecated-declarations \
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// RUN: -fcuda-is-device -mamdgpu-expand-waitcnt-profiling \
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// RUN: -emit-cir %s -o %t.prof.cir
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// RUN: FileCheck --check-prefix=PROF %s --input-file=%t.prof.cir
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// Test that AMDGPU-specific attributes are generated for HIP kernels
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// Test: Default attributes for simple kernel
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// CIR: cir.func{{.*}} @_Z13kernel_simplev() cc(amdgpu_kernel){{.*}}"cir.amdgpu-flat-work-group-size" = "1,1024"
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// LLVM: define{{.*}} amdgpu_kernel void @_Z13kernel_simplev(){{.*}} #[[SIMPLE_ATTR:[0-9]+]]
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__global__ void kernel_simple() {}
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// Test: Explicit flat work group size attribute
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// CIR: cir.func{{.*}} @_Z21kernel_flat_wg_size_1v(){{.*}}"cir.amdgpu-flat-work-group-size" = "64,128"
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// LLVM: define{{.*}} void @_Z21kernel_flat_wg_size_1v(){{.*}} #[[FLAT_WG_ATTR:[0-9]+]]
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__attribute__((amdgpu_flat_work_group_size(64, 128)))
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__global__ void kernel_flat_wg_size_1() {}
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// Test: Waves per EU attribute
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// CIR: cir.func{{.*}} @_Z19kernel_waves_per_euv(){{.*}}"cir.amdgpu-waves-per-eu" = "2"
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// LLVM: define{{.*}} void @_Z19kernel_waves_per_euv(){{.*}} #[[WAVES_ATTR:[0-9]+]]
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__attribute__((amdgpu_waves_per_eu(2)))
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__global__ void kernel_waves_per_eu() {}
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// Test: Waves per EU with min and max
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// CIR: cir.func{{.*}} @_Z22kernel_waves_per_eu_mmv(){{.*}}"cir.amdgpu-waves-per-eu" = "2,4"
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// LLVM: define{{.*}} void @_Z22kernel_waves_per_eu_mmv(){{.*}} #[[WAVES_MM_ATTR:[0-9]+]]
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__attribute__((amdgpu_waves_per_eu(2, 4)))
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__global__ void kernel_waves_per_eu_mm() {}
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// Test: Num SGPR attribute
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// CIR: cir.func{{.*}} @_Z15kernel_num_sgprv(){{.*}}"cir.amdgpu-num-sgpr" = "32"
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// LLVM: define{{.*}} void @_Z15kernel_num_sgprv(){{.*}} #[[SGPR_ATTR:[0-9]+]]
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__attribute__((amdgpu_num_sgpr(32)))
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__global__ void kernel_num_sgpr() {}
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// Test: Num VGPR attribute
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// CIR: cir.func{{.*}} @_Z15kernel_num_vgprv(){{.*}}"cir.amdgpu-num-vgpr" = "64"
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// LLVM: define{{.*}} void @_Z15kernel_num_vgprv(){{.*}} #[[VGPR_ATTR:[0-9]+]]
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__attribute__((amdgpu_num_vgpr(64)))
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__global__ void kernel_num_vgpr() {}
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// Test: Max num workgroups attribute
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// CIR: cir.func{{.*}} @_Z22kernel_max_num_wgroupsv(){{.*}}"cir.amdgpu-max-num-workgroups" = "8,4,2"
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// LLVM: define{{.*}} void @_Z22kernel_max_num_wgroupsv(){{.*}} #[[MAX_WG_ATTR:[0-9]+]]
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__attribute__((amdgpu_max_num_work_groups(8, 4, 2)))
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__global__ void kernel_max_num_wgroups() {}
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// Test: Combined attributes
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// CIR: cir.func{{.*}} @_Z15kernel_combinedv(){{.*}}"cir.amdgpu-flat-work-group-size" = "256,256"{{.*}}"cir.amdgpu-num-sgpr" = "48"{{.*}}"cir.amdgpu-num-vgpr" = "32"{{.*}}"cir.amdgpu-waves-per-eu" = "1,2"
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// LLVM: define{{.*}} void @_Z15kernel_combinedv(){{.*}} #[[COMBINED_ATTR:[0-9]+]]
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__attribute__((amdgpu_flat_work_group_size(256, 256)))
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__attribute__((amdgpu_waves_per_eu(1, 2)))
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__attribute__((amdgpu_num_sgpr(48)))
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__attribute__((amdgpu_num_vgpr(32)))
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__global__ void kernel_combined() {}
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// Test: Device function should NOT have kernel attributes
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// CIR: cir.func{{.*}} @_Z9device_fnv()
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// CIR-NOT: cir.amdgpu-flat-work-group-size
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// LLVM: define{{.*}} void @_Z9device_fnv()
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__device__ void device_fn() {}
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// Verify LLVM attributes
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// LLVM-DAG: attributes #[[SIMPLE_ATTR]] = {{.*}}"amdgpu-flat-work-group-size"="1,1024"
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// LLVM-DAG: attributes #[[FLAT_WG_ATTR]] = {{.*}}"amdgpu-flat-work-group-size"="64,128"
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// LLVM-DAG: attributes #[[WAVES_ATTR]] = {{.*}}"amdgpu-waves-per-eu"="2"
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// LLVM-DAG: attributes #[[WAVES_MM_ATTR]] = {{.*}}"amdgpu-waves-per-eu"="2,4"
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// LLVM-DAG: attributes #[[SGPR_ATTR]] = {{.*}}"amdgpu-num-sgpr"="32"
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// LLVM-DAG: attributes #[[VGPR_ATTR]] = {{.*}}"amdgpu-num-vgpr"="64"
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// LLVM-DAG: attributes #[[MAX_WG_ATTR]] = {{.*}}"amdgpu-max-num-workgroups"="8,4,2"
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// LLVM-DAG: attributes #[[COMBINED_ATTR]] = {{.*}}"amdgpu-flat-work-group-size"="256,256"{{.*}}"amdgpu-num-sgpr"="48"{{.*}}"amdgpu-num-vgpr"="32"{{.*}}"amdgpu-waves-per-eu"="1,2"
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// Test: amdgpu-expand-waitcnt-profiling is set on all functions when enabled
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// PROF: cir.func{{.*}} @_Z13kernel_simplev(){{.*}}"cir.amdgpu-expand-waitcnt-profiling"
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// PROF: cir.func{{.*}} @_Z21kernel_flat_wg_size_1v(){{.*}}"cir.amdgpu-expand-waitcnt-profiling"
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// PROF: cir.func{{.*}} @_Z19kernel_waves_per_euv(){{.*}}"cir.amdgpu-expand-waitcnt-profiling"
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// PROF: cir.func{{.*}} @_Z22kernel_waves_per_eu_mmv(){{.*}}"cir.amdgpu-expand-waitcnt-profiling"
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// PROF: cir.func{{.*}} @_Z15kernel_num_sgprv(){{.*}}"cir.amdgpu-expand-waitcnt-profiling"
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// PROF: cir.func{{.*}} @_Z15kernel_num_vgprv(){{.*}}"cir.amdgpu-expand-waitcnt-profiling"
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// PROF: cir.func{{.*}} @_Z22kernel_max_num_wgroupsv(){{.*}}"cir.amdgpu-expand-waitcnt-profiling"
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// PROF: cir.func{{.*}} @_Z15kernel_combinedv(){{.*}}"cir.amdgpu-expand-waitcnt-profiling"
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// PROF: cir.func{{.*}} @_Z9device_fnv(){{.*}}"cir.amdgpu-expand-waitcnt-profiling"
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