Add codegen support for stack address intrinsics.



git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@51309 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/test/CodeGen/builtin-stackaddress.c b/test/CodeGen/builtin-stackaddress.c
new file mode 100644
index 0000000..2b9c799
--- /dev/null
+++ b/test/CodeGen/builtin-stackaddress.c
@@ -0,0 +1,16 @@
+// RUN: clang -emit-llvm < %s
+void* a(unsigned x) {
+return __builtin_return_address(0);
+}
+
+void* c(unsigned x) {
+return __builtin_frame_address(0);
+}
+// RUN: clang -emit-llvm < %s
+void* a(unsigned x) {
+return __builtin_return_address(0);
+}
+
+void* c(unsigned x) {
+return __builtin_frame_address(0);
+}