1 /* { dg-do compile } */
2 /* { dg-options "-O -fdump-tree-fre1-details -fdump-tree-dse1-details" } */
3 
4 typedef unsigned char v16qi __attribute__((vector_size(16)));
5 typedef unsigned short v8hi __attribute__((vector_size(16)));
6 typedef unsigned int v4si __attribute__((vector_size(16)));
foo(char * dest)7 void foo(char *dest)
8 {
9   unsigned char x[256] __attribute__((aligned(16)));
10   __builtin_memset (x, 23, 256);
11   v16qi resqi = *(v16qi *)&x[16];
12   v8hi reshi = *(v8hi *)&x[16];
13   v4si ressi = *(v4si *)&x[16];
14   *(v16qi *)dest = resqi;
15   *(v8hi *)(dest + 16) = reshi;
16   *(v4si *)(dest + 32) = ressi;
17 }
18 
19 /* { dg-final { scan-tree-dump-times "Replaced MEM" 3 "fre1" } } */
20 /* { dg-final { scan-tree-dump-times "Deleted dead call" 1 "dse1" } } */
21