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-rw-r--r--clang/test/CodeGen/cxx-default-arg.cpp25
1 files changed, 25 insertions, 0 deletions
diff --git a/clang/test/CodeGen/cxx-default-arg.cpp b/clang/test/CodeGen/cxx-default-arg.cpp
new file mode 100644
index 0000000..25b7c10
--- /dev/null
+++ b/clang/test/CodeGen/cxx-default-arg.cpp
@@ -0,0 +1,25 @@
+// RUN: %clang_cc1 -emit-llvm %s -o %t
+
+// Note: define CLANG_GENERATE_KNOWN_GOOD and compile to generate code
+// that makes all of the defaulted arguments explicit. The resulting
+// byte code should be identical to the compilation without
+// CLANG_GENERATE_KNOWN_GOOD.
+#ifdef CLANG_GENERATE_KNOWN_GOOD
+# define DEFARG(...) __VA_ARGS__
+#else
+# define DEFARG(...)
+#endif
+
+extern int x;
+struct S { float x; float y; } s;
+double _Complex c;
+
+void f(int i = 0, int j = 1, int k = x, struct S t = s, double _Complex d = c);
+
+void g() {
+ f(0, 1, x, s DEFARG(, c));
+ f(0, 1, x DEFARG(, s, c));
+ f(0, 1 DEFARG(, x, s, c));
+ f(0 DEFARG(, 1, x, s, c));
+ f(DEFARG(0, 1, x, s, c));
+}