diff options
Diffstat (limited to 'gcc/testsuite/gcc.dg/autopar/pr39500-2.c')
| -rw-r--r-- | gcc/testsuite/gcc.dg/autopar/pr39500-2.c | 20 |
1 files changed, 20 insertions, 0 deletions
diff --git a/gcc/testsuite/gcc.dg/autopar/pr39500-2.c b/gcc/testsuite/gcc.dg/autopar/pr39500-2.c new file mode 100644 index 000000000..eabac3f88 --- /dev/null +++ b/gcc/testsuite/gcc.dg/autopar/pr39500-2.c @@ -0,0 +1,20 @@ +/* pr39500: autopar fails to parallel */ +/* origin: nemokingdom@gmail.com(LiFeng) */ +/* { dg-do compile } */ +/* { dg-options "-O2 -ftree-parallelize-loops=4 -fdump-tree-parloops-details" } */ + +int main (void) +{ + int i; + int x[1000]; + + for (i = 0; i < 101; i++) + x[i] = x[i+100]; + + return x[12]; +} + +/* This loop cannot be parallelized due to a dependence. */ + +/* { dg-final { scan-tree-dump-times "SUCCESS: may be parallelized" 0 "parloops" } } */ +/* { dg-final { cleanup-tree-dump "parloops" } } */ |