| /* { dg-do compile } */ |
| /* { dg-options "-O2 -fdump-tree-pre-stats -fno-tree-loop-im" } */ |
| |
| double pcheck; |
| |
| void foo(int n, int m, int b) |
| { |
| int i, j; |
| |
| goto bb18; |
| |
| start: |
| i = 1; |
| do { |
| j = 1; |
| do { |
| double x = pcheck; |
| x = x + 1; |
| pcheck = x; |
| j = j + 1; |
| } while (j != m); |
| i = i + 1; |
| } while (i != n); |
| |
| bb18: |
| pcheck = 0.0; |
| goto start; |
| } |
| |
| /* We should have inserted two PHI nodes and the one in the i-loop |
| should have 0.0 in the argument coming from the bb18 block. */ |
| |
| /* { dg-final { scan-tree-dump "New PHIs: 2" "pre" } } */ |
| /* { dg-final { scan-tree-dump "PHI <.*0\\\.0" "pre" } } */ |
