clang/test/OpenMP/vla_iterator_cache_bug.c

   1 // RUN: %clang_cc1 -verify -fopenmp -x c++ -triple x86_64-unknown-linux-gnu \
   2 // RUN:   -emit-llvm %s -o - | FileCheck %s
   3
   4 // expected-no-diagnostics
   5
   6 extern int bounds1(int);
   7 extern int bounds2(int);
   8
   9 extern void fun2(int n, int *a, int *b);
  10 extern void fun3(int n, int *a, int *b);
  11
  12 void fun1(int n, int *a, int *b)
  13 {
  14 #pragma omp task depend(iterator(j = 0 : bounds1(n)), in : a[b[j]])
  15   {
  16     fun2(n, a, b);
  17   }
  18 // CHECK: alloca %struct.kmp_depend_info, i64 [[FIRST_VLA:%.*]], align 16
  19
  20 #pragma omp task depend(iterator(j = 0 : bounds2(n)), in : a[b[j]])
  21   {
  22     fun3(n, a, b);
  23   }
  24 // CHECK-NOT: alloca %struct.kmp_depend_info, i64 [[FIRST_VLA]], align 16
  25 }