gcc/testsuite/gcc.dg/tree-ssa/ssa-fre-33.c

   1 /* { dg-do compile } */
   2 /* { dg-options "-O -fdump-tree-fre1-details" } */
   3 /* { dg-additional-options "-fno-common" { target hppa*-*-hpux* } } */
   4
   5 #define vector __attribute__((vector_size(16) ))
   6
   7 struct {
   8     float i;
   9     vector float global_res;
  10 } s;
  11 float x;
  12 int main(int argc)
  13 {
  14   vector float res = (vector float){0.0f,0.0f,0.0f,1.0f};
  15   res += (vector float){1.0f,2.0f,3.0f,4.0f};
  16   s.global_res = res;
  17   x = *((float*)&s.global_res + 1);
  18   return 0;
  19 }
  20
  21 /* { dg-final { scan-tree-dump "Replaced BIT_FIELD_REF.*with 2" "fre1" } } */
  22 /* { dg-final { cleanup-tree-dump "fre1" } } */