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149 lines
4.7 KiB
Plaintext
149 lines
4.7 KiB
Plaintext
// RUN: %clang_cc1 %s -triple nvptx-unknown-unknown -fcuda-is-device -emit-llvm -o - | FileCheck %s
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// RUN: %clang_cc1 %s -triple nvptx-unknown-unknown -target-cpu sm_90 -DUSE_MAX_BLOCKS -fcuda-is-device -emit-llvm -o - | FileCheck -check-prefix=CHECK_MAX_BLOCKS %s
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#include "Inputs/cuda.h"
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#define MAX_THREADS_PER_BLOCK 256
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#define MIN_BLOCKS_PER_MP 2
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#ifdef USE_MAX_BLOCKS
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#define MAX_BLOCKS_PER_MP 4
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#endif
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// CHECK: @Kernel1() #[[ATTR0:[0-9]+]]
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// CHECK: @Kernel2() #[[ATTR1:[0-9]+]]
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// CHECK: @{{.*}}Kernel3{{.*}}() #[[ATTR1]]
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// CHECK: @{{.*}}Kernel4{{.*}}() #[[ATTR0]]
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// CHECK: @{{.*}}Kernel5{{.*}}() #[[ATTR2:[0-9]+]]
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// CHECK: @{{.*}}Kernel6{{.*}}() #[[ATTR3:[0-9]+]]
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// CHECK: @{{.*}}Kernel7{{.*}}() #[[ATTR1]]
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// CHECK: @{{.*}}Kernel8{{.*}}() #[[ATTR4:[0-9]+]]
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// CHECK-DAG: attributes #[[ATTR0]] = {{{.*}} "nvvm.maxntid"="256" "nvvm.minctasm"="2" {{.*}}}
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// CHECK-DAG: attributes #[[ATTR1]] = {{{.*}} "nvvm.maxntid"="256" {{.*}}}
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// CHECK-DAG: attributes #[[ATTR2]] = {{{.*}} "nvvm.maxntid"="356" "nvvm.minctasm"="258" {{.*}}}
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// CHECK-DAG: attributes #[[ATTR3]] = {{{.*}} "nvvm.minctasm"="2" {{.*}}}
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// CHECK-DAG: attributes #[[ATTR4]] = {{{.*}} "nvvm.maxntid"="100" "nvvm.minctasm"="12" {{.*}}}
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// CHECK_MAX_BLOCKS: @Kernel1_sm_90() #[[ATTR0:[0-9]+]]
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// CHECK_MAX_BLOCKS: @{{.*}}Kernel4_sm_90{{.*}} #[[ATTR0]]
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// CHECK_MAX_BLOCKS: @{{.*}}Kernel5_sm_90{{.*}} #[[ATTR1:[0-9]+]]
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// CHECK_MAX_BLOCKS: @{{.*}}Kernel7_sm_90{{.*}} #[[ATTR2:[0-9]+]]
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// CHECK_MAX_BLOCKS: @{{.*}}Kernel8_sm_90{{.*}} #[[ATTR3:[0-9]+]]
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// CHECK_MAX_BLOCKS-DAG: attributes #[[ATTR0]] = {{{.*}} "nvvm.maxclusterrank"="4" "nvvm.maxntid"="256" "nvvm.minctasm"="2" {{.*}}}
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// CHECK_MAX_BLOCKS-DAG: attributes #[[ATTR1]] = {{{.*}} "nvvm.maxclusterrank"="260" "nvvm.maxntid"="356" "nvvm.minctasm"="258" {{.*}}}
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// CHECK_MAX_BLOCKS-DAG: attributes #[[ATTR2]] = {{{.*}} "nvvm.maxntid"="256" {{.*}}}
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// CHECK_MAX_BLOCKS-DAG: attributes #[[ATTR3]] = {{{.*}} "nvvm.maxclusterrank"="14" "nvvm.maxntid"="100" "nvvm.minctasm"="12" {{.*}}}
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// Test both max threads per block and Min cta per sm.
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extern "C" {
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__global__ void
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__launch_bounds__( MAX_THREADS_PER_BLOCK, MIN_BLOCKS_PER_MP )
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Kernel1()
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{
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}
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}
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#ifdef USE_MAX_BLOCKS
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// Test max threads per block and min/max cta per sm.
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extern "C" {
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__global__ void
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__launch_bounds__( MAX_THREADS_PER_BLOCK, MIN_BLOCKS_PER_MP, MAX_BLOCKS_PER_MP )
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Kernel1_sm_90()
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{
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}
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}
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#endif // USE_MAX_BLOCKS
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// Test only max threads per block. Min cta per sm defaults to 0, and
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// CodeGen doesn't output a zero value for minctasm.
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extern "C" {
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__global__ void
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__launch_bounds__( MAX_THREADS_PER_BLOCK )
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Kernel2()
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{
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}
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}
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template <int max_threads_per_block>
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__global__ void
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__launch_bounds__(max_threads_per_block)
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Kernel3()
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{
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}
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template __global__ void Kernel3<MAX_THREADS_PER_BLOCK>();
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template <int max_threads_per_block, int min_blocks_per_mp>
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__global__ void
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__launch_bounds__(max_threads_per_block, min_blocks_per_mp)
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Kernel4()
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{
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}
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template __global__ void Kernel4<MAX_THREADS_PER_BLOCK, MIN_BLOCKS_PER_MP>();
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#ifdef USE_MAX_BLOCKS
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template <int max_threads_per_block, int min_blocks_per_mp, int max_blocks_per_mp>
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__global__ void
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__launch_bounds__(max_threads_per_block, min_blocks_per_mp, max_blocks_per_mp)
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Kernel4_sm_90()
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{
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}
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template __global__ void Kernel4_sm_90<MAX_THREADS_PER_BLOCK, MIN_BLOCKS_PER_MP, MAX_BLOCKS_PER_MP>();
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#endif //USE_MAX_BLOCKS
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const int constint = 100;
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template <int max_threads_per_block, int min_blocks_per_mp>
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__global__ void
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__launch_bounds__(max_threads_per_block + constint,
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min_blocks_per_mp + max_threads_per_block)
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Kernel5()
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{
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}
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template __global__ void Kernel5<MAX_THREADS_PER_BLOCK, MIN_BLOCKS_PER_MP>();
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#ifdef USE_MAX_BLOCKS
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template <int max_threads_per_block, int min_blocks_per_mp, int max_blocks_per_mp>
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__global__ void
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__launch_bounds__(max_threads_per_block + constint,
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min_blocks_per_mp + max_threads_per_block,
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max_blocks_per_mp + max_threads_per_block)
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Kernel5_sm_90()
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{
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}
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template __global__ void Kernel5_sm_90<MAX_THREADS_PER_BLOCK, MIN_BLOCKS_PER_MP, MAX_BLOCKS_PER_MP>();
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#endif //USE_MAX_BLOCKS
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// Make sure we don't emit negative launch bounds values.
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__global__ void
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__launch_bounds__( -MAX_THREADS_PER_BLOCK, MIN_BLOCKS_PER_MP )
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Kernel6()
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{
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}
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__global__ void
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__launch_bounds__( MAX_THREADS_PER_BLOCK, -MIN_BLOCKS_PER_MP )
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Kernel7()
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{
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}
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#ifdef USE_MAX_BLOCKS
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__global__ void
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__launch_bounds__( MAX_THREADS_PER_BLOCK, -MIN_BLOCKS_PER_MP, -MAX_BLOCKS_PER_MP )
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Kernel7_sm_90()
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{
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}
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#endif // USE_MAX_BLOCKS
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const char constchar = 12;
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__global__ void __launch_bounds__(constint, constchar) Kernel8() {}
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#ifdef USE_MAX_BLOCKS
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const char constchar_2 = 14;
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__global__ void __launch_bounds__(constint, constchar, constchar_2) Kernel8_sm_90() {}
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#endif // USE_MAX_BLOCKS
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