clang/test/OpenMP/declare_simd_aarch64_sve.c

   1 // REQUIRES: aarch64-registered-target
   2 // -fopemp and -fopenmp-simd behavior are expected to be the same
   3
   4 // RUN: %clang_cc1 -triple aarch64-linux-gnu -target-feature +sve \
   5 // RUN:  -fopenmp -x c -emit-llvm %s -o - -femit-all-decls | FileCheck %s
   6
   7 // RUN: %clang_cc1 -triple aarch64-linux-gnu -target-feature +sve \
   8 // RUN:  -fopenmp-simd -x c -emit-llvm %s -o - -femit-all-decls | FileCheck %s
   9
  10 #pragma omp declare simd
  11 #pragma omp declare simd notinbranch
  12 #pragma omp declare simd simdlen(2)
  13 #pragma omp declare simd simdlen(4)
  14 #pragma omp declare simd simdlen(5) // not a multiple of 128-bits
  15 #pragma omp declare simd simdlen(6)
  16 #pragma omp declare simd simdlen(8)
  17 #pragma omp declare simd simdlen(32)
  18 #pragma omp declare simd simdlen(34) // requires more than 2048 bits
  19 double foo(float x);
  20
  21 // CHECK-DAG: "_ZGVsM2v_foo" "_ZGVsM32v_foo" "_ZGVsM4v_foo" "_ZGVsM6v_foo" "_ZGVsM8v_foo" "_ZGVsMxv_foo"
  22 // CHECK-NOT: _ZGVsN
  23 // CHECK-NOT: _ZGVsM5v_foo
  24 // CHECK-NOT: _ZGVsM34v_foo
  25 // CHECK-NOT: foo
  26
  27 void foo_loop(double *x, float *y, int N) {
  28   for (int i = 0; i < N; ++i) {
  29     x[i] = foo(y[i]);
  30   }
  31 }
  32
  33   // test integers
  34
  35 #pragma omp declare simd notinbranch
  36 char a01_fun(int x);
  37 // CHECK-DAG: _ZGVsMxv_a01_fun
  38 // CHECK-NOT: a01_fun
  39
  40 static int *in;
  41 static char *out;
  42 void do_something() {
  43   *out = a01_fun(*in);
  44 }