diff options
Diffstat (limited to 'gcc/testsuite/gcc.dg/unroll_5.c')
| -rw-r--r-- | gcc/testsuite/gcc.dg/unroll_5.c | 25 |
1 files changed, 25 insertions, 0 deletions
diff --git a/gcc/testsuite/gcc.dg/unroll_5.c b/gcc/testsuite/gcc.dg/unroll_5.c new file mode 100644 index 00000000000..48259eb8447 --- /dev/null +++ b/gcc/testsuite/gcc.dg/unroll_5.c @@ -0,0 +1,25 @@ +/* { dg-do compile } */ +/* { dg-options "-O3 -fdump-rtl-loop2_unroll -funroll-loops" } */ +void abort (void); +int *a; +int t() +{ + int i; + for (i=0;i<1000000;i++) + if (a[i]) + return 1; + return 0; +} +int t2() +{ + int i; + for (i=0;i<3000000;i++) + if (a[i]) + abort (); + return 0; +} +/* { dg-final { scan-rtl-dump-times "upper bound: 999999" 1 "loop2_unroll" } } */ +/* { dg-final { scan-rtl-dump-not "realistic bound: 999999" "loop2_unroll" } } */ +/* { dg-final { scan-rtl-dump-times "upper bound: 2999999" 1 "loop2_unroll" } } */ +/* { dg-final { scan-rtl-dump-times "realistic bound: 2999999" 1 "loop2_unroll" } } */ +/* { dg-final { cleanup-rtl-dump "loop2_unroll" } } */ |