1 /* { dg-do compile } */
2 /* { dg-options "-O2 -fdump-tree-optimized-alias" } */
3 
abc(int ** __restrict a,int ** __restrict b)4 int *abc(int** __restrict a, int** __restrict b)
5 {
6   *a = 0;                     // clique 1 base 1
7   asm volatile("":"+m"(*b));  // clique 0 base 0 (wrong)
8   *a = 0;                     // clique 1 base 1
9   return *b;                  // clique 1 base 2 (what it should be)
10 }
11 
12 /* { dg-final { scan-tree-dump-times "clique 1 base \[12\]" 5 "optimized" } } */
13 /* On RTL we can DSE one of the stores of zero, on the GIMPLE level we
14    do not bother to do disambiguation against asms.  */
15 /* { dg-final { scan-tree-dump-times " = 0;" 1 "optimized" { xfail *-*-* } } } */
16 /* { dg-final { scan-assembler-times "mov\[^\n\r\]*0" 1 { target { x86_64-*-* i?86-*-* } } } } */
17