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authorbstarynk <bstarynk@138bc75d-0d04-0410-961f-82ee72b054a4>2011-02-07 12:07:40 +0000
committerbstarynk <bstarynk@138bc75d-0d04-0410-961f-82ee72b054a4>2011-02-07 12:07:40 +0000
commit0822e32eed2c2f3aaf3b8ec63ee16772b2b970b2 (patch)
tree5034409087f7b7d9845d23cb22cf1e412f02c2b6 /gcc/testsuite/gcc.dg/autopar
parentf169838ac346df666209dc62686101b3eb34c37a (diff)
downloadgcc-0822e32eed2c2f3aaf3b8ec63ee16772b2b970b2.tar.gz
2011-02-02 Basile Starynkevitch <basile@starynkevitch.net>
MELT branch merged as suggest by Andread Schwab http://gcc.gnu.org/ml/gcc/2011-02/msg00099.html git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/branches/melt-branch@169880 138bc75d-0d04-0410-961f-82ee72b054a4
Diffstat (limited to 'gcc/testsuite/gcc.dg/autopar')
-rw-r--r--gcc/testsuite/gcc.dg/autopar/pr46194.c24
1 files changed, 24 insertions, 0 deletions
diff --git a/gcc/testsuite/gcc.dg/autopar/pr46194.c b/gcc/testsuite/gcc.dg/autopar/pr46194.c
new file mode 100644
index 00000000000..574d6e6722c
--- /dev/null
+++ b/gcc/testsuite/gcc.dg/autopar/pr46194.c
@@ -0,0 +1,24 @@
+/* PR tree-optimization/46194 */
+/* { dg-do compile } */
+/* { dg-options "-O -ftree-parallelize-loops=2 -fdump-tree-parloops-details" } */
+
+#define N 1000
+int a[N];
+
+int foo (void)
+{
+ int j;
+ int i;
+
+ /* This is not blocked as it is not profitable. */
+ for (i = 0; i < N; i++)
+ for (j = 0; j < N; j++)
+ a[j] = a[i] + 1;
+
+ return a[0];
+}
+
+/* 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" } } */