1 // Test target codegen - host bc file has to be created first.
2 //
3 // RUN: %clang_cc1 -verify -fopenmp -x c++ -triple i386-unknown-unknown -fopenmp-targets=nvptx-nvidia-cuda -emit-llvm-bc %s -o %t-x86-host.bc
4 // RUN: %clang_cc1 -verify -fopenmp -x c++ -triple nvptx-unknown-unknown -fopenmp-targets=nvptx-nvidia-cuda -emit-llvm %s -fopenmp-is-target-device -fopenmp-host-ir-file-path %t-x86-host.bc -o - | FileCheck %s
5 // expected-no-diagnostics
6 #ifndef HEADER
7 #define HEADER
8
foo(int N)9 void foo(int N) {
10 // CHECK: l11, !"maxntidx", i32 128}
11 #pragma omp target teams distribute parallel for simd
12 for (int i = 0; i < N; ++i)
13 ;
14 // CHECK: l15, !"maxntidx", i32 4}
15 #pragma omp target teams distribute parallel for simd thread_limit(4)
16 for (int i = 0; i < N; ++i)
17 ;
18 // CHECK-NOT: l21, !"maxntidx", i32 128}
19 // CHECK: l21, !"maxntidx", i32 42}
20 // CHECK-NOT: l21, !"maxntidx", i32 128}
21 #pragma omp target teams distribute parallel for simd ompx_attribute(__attribute__((launch_bounds(42, 42))))
22 for (int i = 0; i < N; ++i)
23 ;
24 // CHECK-NOT: l27, !"maxntidx", i32 42}
25 // CHECK: l27, !"maxntidx", i32 22}
26 // CHECK-NOT: l27, !"maxntidx", i32 42}
27 #pragma omp target teams distribute parallel for simd ompx_attribute(__attribute__((launch_bounds(42, 42)))) num_threads(22)
28 for (int i = 0; i < N; ++i)
29 ;
30 }
31
32 #endif
33
34