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https://github.com/Gericom/teak-llvm.git
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2b40470c61
Summary: This patch adds a new runtime for the SPMD deinit kernel function which replaces the previous function. The new function takes as argument the flag which signals whether the runtime is required or not. This enables the compiler to optimize out the part of the deinit function which are not needed. Reviewers: ABataev, caomhin Reviewed By: ABataev Subscribers: jholewinski, guansong, cfe-commits Differential Revision: https://reviews.llvm.org/D54970 llvm-svn: 347915
110 lines
3.8 KiB
C++
110 lines
3.8 KiB
C++
// Test target codegen - host bc file has to be created first.
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// RUN: %clang_cc1 -verify -fopenmp -fopenmp-version=45 -fopenmp-cuda-mode -x c++ -triple powerpc64le-unknown-unknown -fopenmp-targets=nvptx64-nvidia-cuda -emit-llvm-bc %s -o %t-ppc-host.bc
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// RUN: %clang_cc1 -verify -fopenmp -fopenmp-version=45 -fopenmp-cuda-mode -x c++ -triple nvptx64-unknown-unknown -fopenmp-targets=nvptx64-nvidia-cuda -emit-llvm %s -fopenmp-is-device -fopenmp-host-ir-file-path %t-ppc-host.bc -o - | FileCheck %s --check-prefix CHECK --check-prefix CHECK-64
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// RUN: %clang_cc1 -verify -fopenmp -fopenmp-version=45 -fopenmp-cuda-mode -x c++ -triple i386-unknown-unknown -fopenmp-targets=nvptx-nvidia-cuda -emit-llvm-bc %s -o %t-x86-host.bc
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// RUN: %clang_cc1 -verify -fopenmp -fopenmp-version=45 -fopenmp-cuda-mode -x c++ -triple nvptx-unknown-unknown -fopenmp-targets=nvptx-nvidia-cuda -emit-llvm %s -fopenmp-is-device -fopenmp-host-ir-file-path %t-x86-host.bc -o - | FileCheck %s --check-prefix CHECK --check-prefix CHECK-32
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// RUN: %clang_cc1 -verify -fopenmp -fopenmp-version=45 -fopenmp-cuda-mode -fexceptions -fcxx-exceptions -x c++ -triple nvptx-unknown-unknown -fopenmp-targets=nvptx-nvidia-cuda -emit-llvm %s -fopenmp-is-device -fopenmp-host-ir-file-path %t-x86-host.bc -o - | FileCheck %s --check-prefix CHECK --check-prefix CHECK-32
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// expected-no-diagnostics
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#ifndef HEADER
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#define HEADER
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// Check that the execution mode of all 3 target regions on the gpu is set to SPMD Mode.
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// CHECK-DAG: {{@__omp_offloading_.+l22}}_exec_mode = weak constant i8 0
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// CHECK-DAG: {{@__omp_offloading_.+l26}}_exec_mode = weak constant i8 0
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// CHECK-DAG: {{@__omp_offloading_.+l31}}_exec_mode = weak constant i8 0
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template<typename tx>
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tx ftemplate(int n) {
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tx a = 0;
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short aa = 0;
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tx b[10];
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#pragma omp target parallel proc_bind(master)
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{
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}
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#pragma omp target parallel proc_bind(spread)
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{
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aa += 1;
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}
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#pragma omp target parallel proc_bind(close)
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{
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a += 1;
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aa += 1;
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b[2] += 1;
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}
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return a;
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}
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int bar(int n){
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int a = 0;
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a += ftemplate<int>(n);
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return a;
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}
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// CHECK-LABEL: define {{.*}}void {{@__omp_offloading_.+template.+l22}}(
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// CHECK: call void @__kmpc_spmd_kernel_init(i32 {{.+}}, i16 1, i16 0)
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// CHECK: call void @__kmpc_data_sharing_init_stack_spmd
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// CHECK: br label {{%?}}[[EXEC:.+]]
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//
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// CHECK: [[EXEC]]
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// CHECK-NOT: call void @__kmpc_push_proc_bind
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// CHECK: {{call|invoke}} void [[OP1:@.+]](
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// CHECK: br label {{%?}}[[DONE:.+]]
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//
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// CHECK: [[DONE]]
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// CHECK: call void @__kmpc_spmd_kernel_deinit_v2(i16 1)
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// CHECK: br label {{%?}}[[EXIT:.+]]
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//
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// CHECK: [[EXIT]]
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// CHECK: ret void
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// CHECK: }
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// CHECK-LABEL: define {{.*}}void {{@__omp_offloading_.+template.+l26}}(
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// CHECK: call void @__kmpc_spmd_kernel_init(i32 {{.+}}, i16 1, i16 0)
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// CHECK: call void @__kmpc_data_sharing_init_stack_spmd
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// CHECK: br label {{%?}}[[EXEC:.+]]
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//
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// CHECK: [[EXEC]]
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// CHECK-NOT: call void @__kmpc_push_proc_bind
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// CHECK: {{call|invoke}} void [[OP1:@.+]](
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// CHECK: br label {{%?}}[[DONE:.+]]
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//
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// CHECK: [[DONE]]
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// CHECK: call void @__kmpc_spmd_kernel_deinit_v2(i16 1)
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// CHECK: br label {{%?}}[[EXIT:.+]]
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//
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// CHECK: [[EXIT]]
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// CHECK: ret void
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// CHECK: }
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// CHECK-LABEL: define {{.*}}void {{@__omp_offloading_.+template.+l31}}(
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// CHECK: call void @__kmpc_spmd_kernel_init(i32 {{.+}}, i16 1, i16 0)
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// CHECK: call void @__kmpc_data_sharing_init_stack_spmd
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// CHECK: br label {{%?}}[[EXEC:.+]]
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//
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// CHECK: [[EXEC]]
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// CHECK-NOT: call void @__kmpc_push_proc_bind
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// CHECK: {{call|invoke}} void [[OP1:@.+]](
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// CHECK: br label {{%?}}[[DONE:.+]]
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//
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// CHECK: [[DONE]]
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// CHECK: call void @__kmpc_spmd_kernel_deinit_v2(i16 1)
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// CHECK: br label {{%?}}[[EXIT:.+]]
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//
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// CHECK: [[EXIT]]
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// CHECK: ret void
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// CHECK: }
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#endif
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