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-rw-r--r--libgomp/ChangeLog5
-rw-r--r--libgomp/testsuite/libgomp.c/pr46032.c44
2 files changed, 49 insertions, 0 deletions
diff --git a/libgomp/ChangeLog b/libgomp/ChangeLog
index a2ff98c..ce2828a 100644
--- a/libgomp/ChangeLog
+++ b/libgomp/ChangeLog
@@ -1,3 +1,8 @@
+2015-11-30 Tom de Vries <tom@codesourcery.com>
+
+ PR tree-optimization/46032
+ * testsuite/libgomp.c/pr46032.c: New test.
+
2015-11-27 Jakub Jelinek <jakub@redhat.com>
PR libgomp/68579
diff --git a/libgomp/testsuite/libgomp.c/pr46032.c b/libgomp/testsuite/libgomp.c/pr46032.c
new file mode 100644
index 0000000..2178aa7
--- /dev/null
+++ b/libgomp/testsuite/libgomp.c/pr46032.c
@@ -0,0 +1,44 @@
+/* { dg-do run } */
+/* { dg-options "-O2 -ftree-vectorize -std=c99 -fipa-pta" } */
+
+
+extern void abort (void);
+
+#define nEvents 1000
+
+static void __attribute__((noinline, noclone, optimize("-fno-tree-vectorize")))
+init (unsigned *results, unsigned *pData)
+{
+ unsigned int i;
+ for (i = 0; i < nEvents; ++i)
+ pData[i] = i % 3;
+}
+
+static void __attribute__((noinline, noclone, optimize("-fno-tree-vectorize")))
+check (unsigned *results)
+{
+ unsigned sum = 0;
+ for (int idx = 0; idx < (int)nEvents; idx++)
+ sum += results[idx];
+
+ if (sum != 1998)
+ abort ();
+}
+
+int
+main (void)
+{
+ unsigned results[nEvents];
+ unsigned pData[nEvents];
+ unsigned coeff = 2;
+
+ init (&results[0], &pData[0]);
+
+#pragma omp parallel for
+ for (int idx = 0; idx < (int)nEvents; idx++)
+ results[idx] = coeff * pData[idx];
+
+ check (&results[0]);
+
+ return 0;
+}