re PR tree-optimization/33291 (a+=2; a+=2 not simplified to a+=4; with -O3 ...
[gcc.git] / gcc / testsuite / gcc.dg / tree-ssa / ssa-dom-ccp-1.c
1 /* { dg-do compile } */
2 /* { dg-options "-O2 -fdump-tree-optimized" } */
3 int t(int a) __attribute__ ((const));
4 void abort (void);
5 int
6 ccp(int b)
7 {
8 int a=1;
9 a++;
10 a++;
11 a++;
12 if (b)
13 abort();
14 return a;
15 }
16 /* We should propagate constant 4 into return. */
17 /* { dg-final { scan-tree-dump-times "return 4" 1 "optimized"} } */
18 /* { dg-final { cleanup-tree-dump "optimized" } } */