1 /* PR rtl-optimization/63637 */
2 /* { dg-do compile } */
3 /* { dg-options "-O2" } */
4 
5 int
foo(void)6 foo (void)
7 {
8   int a, b, c;
9   asm ("# Magic instruction" : "=r" (a) : "r" (0));
10   asm ("# Magic instruction" : "=r" (b) : "r" (0));
11   asm ("# Magic instruction" : "=r" (c) : "r" (0));
12   return a + b + c;
13 }
14 
15 /* { dg-final { scan-assembler-times "# Magic instruction" 1 } } */
16