1 files changed, 38 insertions, 0 deletions
diff --git a/gcc/testsuite/gcc.c-torture/execute/builtins/memchr.c b/gcc/testsuite/gcc.c-torture/execute/builtins/memchr.c
new file mode 100644
index 000000000..88e731128
--- /dev/null
+++ b/gcc/testsuite/gcc.c-torture/execute/builtins/memchr.c
@@ -0,0 +1,38 @@
+/* Copyright (C) 2007  Free Software Foundation.
+
+   Ensure all expected transformations of builtin memchr occur
+   and perform correctly.
+
+   Written by Paolo Carlini, 10/5/2007.  */
+
+extern void abort (void);
+typedef __SIZE_TYPE__ size_t;
+extern void *memchr (const void *, int, size_t);
+
+void
+main_test (void)
+{
+  const char* const foo1 = "hello world";
+
+  if (memchr (foo1, 'x', 11))
+    abort ();
+  if (memchr (foo1, 'o', 11) != foo1 + 4)
+    abort ();
+  if (memchr (foo1, 'w', 2))
+    abort ();
+  if (memchr (foo1 + 5, 'o', 6) != foo1 + 7)
+    abort ();
+  if (memchr (foo1, 'd', 11) != foo1 + 10)
+    abort ();
+  if (memchr (foo1, 'd', 10))
+    abort ();
+  if (memchr (foo1, '\0', 11))
+    abort ();
+  if (memchr (foo1, '\0', 12) != foo1 + 11)
+    abort ();
+
+  /* Test at least one instance of the __builtin_ style.  We do this
+     to ensure that it works and that the prototype is correct.  */
+  if (__builtin_memchr (foo1, 'r', 11) != foo1 + 8)
+    abort ();
+}