Initial checkin of GCC 4.9.0 from trunk (r208799).

Change-Id: I48a3c08bb98542aa215912a75f03c0890e497dba

1 files changed, 37 insertions, 0 deletions

diff --git a/gcc-4.9/gcc/testsuite/gcc.dg/tree-ssa/ldist-20.c b/gcc-4.9/gcc/testsuite/gcc.dg/tree-ssa/ldist-20.c
new file mode 100644
index 000000000..95ae2c04c
--- /dev/null
+++ b/gcc-4.9/gcc/testsuite/gcc.dg/tree-ssa/ldist-20.c
@@ -0,0 +1,37 @@
+/* { dg-do compile } */
+/* { dg-options "-O2 -ftree-loop-distribute-patterns -fdump-tree-ldist-details" } */
+
+void foo(char *);
+void my_memcpy (void *q, unsigned int n)
+{
+  unsigned i;
+  char p[1024];
+  for (i = 0; i < n; ++i)
+    ((char *)p)[i] = ((char *)q)[i];
+  foo(p);
+}
+
+struct S { int i; int j; };
+
+void my_memcpy2 (void *q, unsigned int n)
+{
+  unsigned i;
+  char p[1024];
+  for (i = 0; i < n; ++i)
+    ((struct S *)p)[i] = ((struct S *)q)[i];
+  foo(p);
+}
+
+char p[1024];
+void my_memmove (unsigned int n)
+{
+  unsigned i;
+  for (i = 0; i < n; ++i)
+    p[i] = p[i+1];
+  foo(p);
+}
+
+
+/* { dg-final { scan-tree-dump-times "generated memcpy" 2 "ldist" } } */
+/* { dg-final { scan-tree-dump-times "generated memmove" 1 "ldist" } } */
+/* { dg-final { cleanup-tree-dump "ldist" } } */