summaryrefslogtreecommitdiff
path: root/gcc/testsuite/gcc.dg/loop-versioning-7.c
diff options
context:
space:
mode:
Diffstat (limited to 'gcc/testsuite/gcc.dg/loop-versioning-7.c')
-rw-r--r--gcc/testsuite/gcc.dg/loop-versioning-7.c32
1 files changed, 32 insertions, 0 deletions
diff --git a/gcc/testsuite/gcc.dg/loop-versioning-7.c b/gcc/testsuite/gcc.dg/loop-versioning-7.c
new file mode 100644
index 00000000000..ac0c2018795
--- /dev/null
+++ b/gcc/testsuite/gcc.dg/loop-versioning-7.c
@@ -0,0 +1,32 @@
+/* { dg-options "-O3 -fdump-tree-lversion-details" } */
+
+/* Check that versioning can handle arrays of structures. */
+
+struct foo {
+ int a, b, c;
+};
+
+void
+f1 (struct foo *x, int stepx, int n)
+{
+ for (int i = 0; i < n; ++i)
+ {
+ x[stepx * i].a = 1;
+ x[stepx * i].b = 2;
+ x[stepx * i].c = 3;
+ }
+}
+
+void
+f2 (struct foo *x, int stepx, int limit)
+{
+ for (int i = 0; i < limit; i += stepx)
+ {
+ x[i].a = 1;
+ x[i].b = 2;
+ x[i].c = 3;
+ }
+}
+
+/* { dg-final { scan-tree-dump-times {want to version containing loop} 2 "lversion" } } */
+/* { dg-final { scan-tree-dump-times {versioned this loop} 2 "lversion" } } */