forked from OSchip/llvm-project
43 lines
1.8 KiB
C
43 lines
1.8 KiB
C
// RUN: %clang_cc1 -verify=host -Rpass=openmp-opt -Rpass-analysis=openmp-opt -fopenmp -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 -Rpass=openmp-opt -Rpass-analysis=openmp-opt -fopenmp -O2 -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 %t.out
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// host-no-diagnostics
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void baz(void) __attribute__((assume("omp_no_openmp")));
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void bar(void) {
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#pragma omp parallel // #1 \
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// expected-remark@#1 {{Parallel region is used in unknown ways. Will not attempt to rewrite the state machine. [OMP101]}}
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{
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}
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}
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void foo(void) {
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#pragma omp target teams // #2
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// expected-remark@#2 {{Rewriting generic-mode kernel with a customized state machine. [OMP131]}}
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{
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baz(); // expected-remark {{Value has potential side effects preventing SPMD-mode execution. Add `__attribute__((assume("ompx_spmd_amenable")))` to the called function to override. [OMP121]}}
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#pragma omp parallel
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{
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}
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bar();
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#pragma omp parallel
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{
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}
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}
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}
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void spmd(void) {
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// Verify we do not emit the remarks above for "SPMD" regions.
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#pragma omp target teams
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#pragma omp parallel
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{
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}
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#pragma omp target teams distribute parallel for
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for (int i = 0; i < 100; ++i) {
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}
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}
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// expected-remark@* {{OpenMP runtime call __kmpc_global_thread_num deduplicated. [OMP170]}}
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