re PR tree-optimization/33291 (a+=2; a+=2 not simplified to a+=4; with -O3 ...
[gcc.git] / gcc / testsuite / gcc.dg / tree-ssa / 20031015-1.c
1 /* With tree-ssa, gcc.dg/20000724-1.c failed because we missed
2 a VOP of x in the asm statement. */
3 /* { dg-do compile } */
4 /* { dg-options "-O1 -fdump-tree-salias-vops" } */
5
6 struct s { int a; };
7
8 int
9 main(void)
10 {
11 struct s x = { 0 };
12 asm volatile ("" : : "r" (&x) : "memory");
13 return 0;
14 }
15
16 /* The VDEF comes from the initial assignment and the asm. */
17 /* { dg-final { scan-tree-dump-times "DEF" 2 "salias" } } */
18 /* { dg-final { cleanup-tree-dump "salias" } } */