0870a4f59a
The runtime uses thread state values to indicate when we use an ICV or are in nested parallelism. This is done for OpenMP correctness, but it not needed in the majority of cases. The new flag added is `-fopenmp-assume-no-thread-state`. Reviewed By: jdoerfert Differential Revision: https://reviews.llvm.org/D120106
58 lines
4.5 KiB
C++
58 lines
4.5 KiB
C++
// NOTE: Assertions have been autogenerated by utils/update_cc_test_checks.py UTC_ARGS: --check-globals --global-value-regex "__omp_rtl_"
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// Test target codegen - host bc file has to be created first.
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// RUN: %clang_cc1 -verify -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 -fopenmp -x c++ -triple nvptx64-unknown-unknown -fopenmp-targets=nvptx64-nvidia-cuda -emit-llvm %s -fopenmp-target-debug -fopenmp-is-device -fopenmp-host-ir-file-path %t-ppc-host.bc -o - | FileCheck %s --check-prefix=CHECK
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// RUN: %clang_cc1 -verify -fopenmp -x c++ -triple nvptx64-unknown-unknown -fopenmp-targets=nvptx64-nvidia-cuda -emit-llvm %s -fopenmp-target-debug=111 -fopenmp-is-device -fopenmp-host-ir-file-path %t-ppc-host.bc -o - | FileCheck %s --check-prefix=CHECK-EQ
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// RUN: %clang_cc1 -verify -fopenmp -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-DEFAULT
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// RUN: %clang_cc1 -verify -fopenmp -x c++ -triple nvptx64-unknown-unknown -fopenmp-targets=nvptx64-nvidia-cuda -emit-llvm %s -fopenmp-assume-threads-oversubscription -fopenmp-is-device -fopenmp-host-ir-file-path %t-ppc-host.bc -o - | FileCheck %s --check-prefix=CHECK-THREADS
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// RUN: %clang_cc1 -verify -fopenmp -x c++ -triple nvptx64-unknown-unknown -fopenmp-targets=nvptx64-nvidia-cuda -emit-llvm %s -fopenmp-assume-teams-oversubscription -fopenmp-is-device -fopenmp-host-ir-file-path %t-ppc-host.bc -o - | FileCheck %s --check-prefix=CHECK-TEAMS
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// RUN: %clang_cc1 -verify -fopenmp -x c++ -triple nvptx64-unknown-unknown -fopenmp-targets=nvptx64-nvidia-cuda -emit-llvm %s -fopenmp-assume-no-thread-state -fopenmp-is-device -fopenmp-host-ir-file-path %t-ppc-host.bc -o - | FileCheck %s --check-prefix=CHECK-STATE
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// RUN: %clang_cc1 -verify -fopenmp -x c++ -triple nvptx64-unknown-unknown -fopenmp-targets=nvptx64-nvidia-cuda -emit-llvm %s -fopenmp-assume-teams-oversubscription -fopenmp-is-device -o - | FileCheck %s --check-prefix=CHECK-RUNTIME
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// expected-no-diagnostics
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#ifndef HEADER
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#define HEADER
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//.
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// CHECK: @__omp_rtl_debug_kind = weak_odr hidden constant i32 1
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// CHECK: @__omp_rtl_assume_teams_oversubscription = weak_odr hidden constant i32 0
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// CHECK: @__omp_rtl_assume_threads_oversubscription = weak_odr hidden constant i32 0
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// CHECK: @__omp_rtl_assume_no_thread_state = weak_odr hidden constant i32 0
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//.
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// CHECK-EQ: @__omp_rtl_debug_kind = weak_odr hidden constant i32 111
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// CHECK-EQ: @__omp_rtl_assume_teams_oversubscription = weak_odr hidden constant i32 0
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// CHECK-EQ: @__omp_rtl_assume_threads_oversubscription = weak_odr hidden constant i32 0
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// CHECK-EQ: @__omp_rtl_assume_no_thread_state = weak_odr hidden constant i32 0
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//.
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// CHECK-DEFAULT: @__omp_rtl_debug_kind = weak_odr hidden constant i32 0
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// CHECK-DEFAULT: @__omp_rtl_assume_teams_oversubscription = weak_odr hidden constant i32 0
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// CHECK-DEFAULT: @__omp_rtl_assume_threads_oversubscription = weak_odr hidden constant i32 0
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// CHECK-DEFAULT: @__omp_rtl_assume_no_thread_state = weak_odr hidden constant i32 0
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//.
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// CHECK-THREADS: @__omp_rtl_debug_kind = weak_odr hidden constant i32 0
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// CHECK-THREADS: @__omp_rtl_assume_teams_oversubscription = weak_odr hidden constant i32 0
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// CHECK-THREADS: @__omp_rtl_assume_threads_oversubscription = weak_odr hidden constant i32 1
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// CHECK-THREADS: @__omp_rtl_assume_no_thread_state = weak_odr hidden constant i32 0
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//.
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// CHECK-TEAMS: @__omp_rtl_debug_kind = weak_odr hidden constant i32 0
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// CHECK-TEAMS: @__omp_rtl_assume_teams_oversubscription = weak_odr hidden constant i32 1
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// CHECK-TEAMS: @__omp_rtl_assume_threads_oversubscription = weak_odr hidden constant i32 0
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// CHECK-TEAMS: @__omp_rtl_assume_no_thread_state = weak_odr hidden constant i32 0
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//.
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// CHECK-STATE: @__omp_rtl_debug_kind = weak_odr hidden constant i32 0
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// CHECK-STATE: @__omp_rtl_assume_teams_oversubscription = weak_odr hidden constant i32 0
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// CHECK-STATE: @__omp_rtl_assume_threads_oversubscription = weak_odr hidden constant i32 0
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// CHECK-STATE: @__omp_rtl_assume_no_thread_state = weak_odr hidden constant i32 1
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//.
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// CHECK-RUNTIME-NOT: @__omp_rtl_debug_kind = weak_odr hidden constant i32 0
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// CHECK-RUNTIME-NOT: @__omp_rtl_assume_teams_oversubscription = weak_odr hidden constant i32 1
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// CHECK-RUNTIME-NOT: @__omp_rtl_assume_threads_oversubscription = weak_odr hidden constant i32 0
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// CHECK-RUNTIME-NOT: @__omp_rtl_assume_no_thread_state = weak_odr hidden constant i32 0
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//.
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void foo() {
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#pragma omp target
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{ }
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}
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#endif
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