clang/test/OpenMP/outlined_artificial.c

   1 // This testcase checks emission of DIFlagArtificial flag for outlined
   2 // subroutines generated by compiler.
   3
   4 // REQUIRES: x86-registered-target
   5
   6 // RUN: %clang_cc1 -debug-info-kind=constructor -x c -verify -triple x86_64-pc-linux-gnu -fopenmp -emit-llvm %s -o - | FileCheck %s
   7 // expected-no-diagnostics
   8
   9 #if defined(_WIN32)
  10 #define __KAI_KMPC_CONVENTION __cdecl
  11 #else
  12 #define __KAI_KMPC_CONVENTION
  13 #endif
  14
  15 extern int printf(const char *, ...);
  16 extern void __KAI_KMPC_CONVENTION omp_set_num_threads(int);
  17 extern int __KAI_KMPC_CONVENTION omp_get_thread_num(void);
  18
  19 #define N 10
  20
  21 float f[10];
  22 void foo_simd(int low, int up) {
  23   for (int i = low; i < up; ++i) {
  24     f[i] = 0.0;
  25 #pragma omp ordered simd
  26     f[i] = 1.0;
  27   }
  28 }
  29
  30 int main() {
  31   int arr[10];
  32   int i;
  33   omp_set_num_threads(2);
  34 #pragma omp parallel
  35 #pragma omp single
  36 #pragma omp taskloop num_tasks(10)
  37   for (i = 0; i < N; i++) {
  38     arr[i] = i * i;
  39   }
  40
  41   for (int j = 0; j < N; j++) {
  42     printf("%d\n", arr[j]);
  43   }
  44   return 0;
  45 }
  46
  47 // foo_simd is not artificial.
  48 // CHECK-DAG: !DISubprogram(name: "foo_simd"
  49 // CHECK-DAG-SAME: flags: DIFlagPrototyped,
  50
  51 // CHECK-DAG: !DISubprogram(name: "__captured_stmt_debug__"
  52 // CHECK-DAG-SAME: flags: DIFlagArtificial
  53
  54 // CHECK-DAG: !DISubprogram(name: "__captured_stmt"
  55 // CHECK-DAG-SAME: flags: DIFlagArtificial
  56
  57 // CHECK-DAG: !DISubprogram(name: "main.omp_outlined_debug__"
  58 // CHECK-DAG-SAME: flags: DIFlagArtificial
  59
  60 // CHECK-DAG: !DISubprogram(linkageName: ".omp_task_entry."
  61 // CHECK-DAG-SAME: flags: DIFlagArtificial
  62
  63 // CHECK-DAG: !DISubprogram(name: ".omp_outlined."
  64 // CHECK-DAG-SAME: flags: DIFlagArtificial
  65
  66 // CHECK-DAG: !DISubprogram(name: "main.omp_outlined"
  67 // CHECK-DAG-SAME: flags: DIFlagArtificial