| // 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 |
| // 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 |
| // RUN: %clang_cc1 -fexperimental-new-pass-manager -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 |
| |
| // host-no-diagnostics |
| |
| void baz(void) __attribute__((assume("omp_no_openmp"))); |
| |
| void bar(void) { |
| #pragma omp parallel // #1 \ |
| // expected-remark@#1 {{Parallel region is used in unknown ways. Will not attempt to rewrite the state machine. [OMP101]}} |
| { |
| } |
| } |
| |
| void foo(void) { |
| #pragma omp target teams // #2 |
| // expected-remark@#2 {{Rewriting generic-mode kernel with a customized state machine. [OMP131]}} |
| { |
| 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]}} |
| #pragma omp parallel |
| { |
| } |
| bar(); |
| #pragma omp parallel |
| { |
| } |
| } |
| } |
| |
| void spmd(void) { |
| // Verify we do not emit the remarks above for "SPMD" regions. |
| #pragma omp target teams |
| #pragma omp parallel |
| { |
| } |
| |
| #pragma omp target teams distribute parallel for |
| for (int i = 0; i < 100; ++i) { |
| } |
| } |
| |
| // expected-remark@* {{OpenMP runtime call __kmpc_global_thread_num deduplicated. [OMP170]}} |