Add __builtin___memcpy_chk tests.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@67691 91177308-0d34-0410-b5e6-96231b3b80d8

diff --git a/test/FrontendC/memcpy_chk.c b/test/FrontendC/memcpy_chk.c
new file mode 100644 (file)
index 0000000..b6d01ec
--- /dev/null
+++ b/test/FrontendC/memcpy_chk.c
@@ -0,0 +1,23 @@
+// RUN: %llvmgcc -S -emit-llvm -O1 %s -o - | grep call | grep memcpy_chk | count 3
+// RUN: %llvmgcc -S -emit-llvm -O1 %s -o - | grep call | grep {llvm.memcpy} | count 2
+
+void *t1(void *d, void *s) {
+  return __builtin___memcpy_chk(d, s, 16, 0);
+}
+
+void *t2(void *d, void *s) {
+  return __builtin___memcpy_chk(d, s, 16, 10);
+}
+
+void *t3(void *d, void *s) {
+  return __builtin___memcpy_chk(d, s, 16, 17);
+}
+
+void *t4(void *d, void *s, unsigned len) {
+  return __builtin___memcpy_chk(d, s, len, 17);
+}
+
+char buf[10];
+void *t5(void *s, unsigned len) {
+  return __builtin___memcpy_chk(buf, s, 5, __builtin_object_size(buf, 0));
+}