diff options
Diffstat (limited to 'gcc/testsuite/gcc.dg/autopar/pr39500-1.c')
| -rw-r--r-- | gcc/testsuite/gcc.dg/autopar/pr39500-1.c | 28 |
1 files changed, 28 insertions, 0 deletions
diff --git a/gcc/testsuite/gcc.dg/autopar/pr39500-1.c b/gcc/testsuite/gcc.dg/autopar/pr39500-1.c new file mode 100644 index 000000000..6428bd062 --- /dev/null +++ b/gcc/testsuite/gcc.dg/autopar/pr39500-1.c @@ -0,0 +1,28 @@ +/* pr39500: autopar fails to parallel */ +/* origin: nemokingdom@gmail.com(LiFeng) */ +/* { dg-do compile } */ +/* { dg-options "-O2 -ftree-parallelize-loops=4 -fdump-tree-parloops-details" } */ + +void abort (void); + +int main (void) +{ + int i; + int x[100000]; + + for (i = 0; i < 10000; i++) + x[i] = x[i+10000]; + + for (i = 0; i < 10000; i++) + { + if (x[i] != x[i+10000]) + abort (); + } + + return 0; +} + +/* Check that the first loop in parloop got parallelized. */ + +/* { dg-final { scan-tree-dump-times "SUCCESS: may be parallelized" 1 "parloops" } } */ +/* { dg-final { cleanup-tree-dump "parloops" } } */ |