re PR tree-optimization/33291 (a+=2; a+=2 not simplified to a+=4; with -O3 ...
[gcc.git] / gcc / testsuite / gcc.dg / tree-ssa / 20040210-1.c
1 /* { dg-do compile } */
2 /* { dg-options "-O1 -fdump-tree-phiopt1-details" } */
3
4
5 void abort(void);
6 void exit(int);
7
8 int x, y;
9
10 static void __attribute__ ((noinline))
11 init_xy(void)
12 {
13 x = 3;
14 y = 2;
15 }
16
17 void
18 test4(void)
19 {
20 init_xy();
21 if ((x < y ? x++ : y++) != 2)
22 abort ();
23 }
24
25 int
26 main(){
27 test4 ();
28 exit (0);
29 }
30
31 /* Should have no more than two ifs left after straightening. */
32 /* { dg-final { scan-tree-dump-times "if " 2 "phiopt1"} } */
33 /* { dg-final { cleanup-tree-dump "phiopt1" } } */