From 41af7c2fdc8cc2ef186669dcb21cac58d5bd69ee Mon Sep 17 00:00:00 2001
From: Peter Collingbourne <peter@pcc.me.uk>
Date: Tue, 20 May 2014 17:12:51 +0000
Subject: Implement the flatten attribute.

This is a GNU attribute that causes calls within the attributed function
to be inlined where possible. It is implemented by giving such calls the
alwaysinline attribute.

Differential Revision: http://reviews.llvm.org/D3816

llvm-svn: 209217
---
 clang/test/SemaCXX/attr-flatten.cpp | 34 ++++++++++++++++++++++++++++++++++
 1 file changed, 34 insertions(+)
 create mode 100644 clang/test/SemaCXX/attr-flatten.cpp

(limited to 'clang/test/SemaCXX/attr-flatten.cpp')

diff --git a/clang/test/SemaCXX/attr-flatten.cpp b/clang/test/SemaCXX/attr-flatten.cpp
new file mode 100644
index 00000000000..afcba72b642
--- /dev/null
+++ b/clang/test/SemaCXX/attr-flatten.cpp
@@ -0,0 +1,34 @@
+// RUN: %clang_cc1 -std=c++11 -fsyntax-only -verify %s
+
+int i __attribute__((flatten)); // expected-error {{'flatten' attribute only applies to functions}}
+
+void f1() __attribute__((flatten));
+void f2() __attribute__((flatten(1))); // expected-error {{'flatten' attribute takes no arguments}}
+
+template <typename T>
+void tf1() __attribute__((flatten));
+
+int f3(int __attribute__((flatten)), int); // expected-error{{'flatten' attribute only applies to functions}}
+
+struct A {
+  int f __attribute__((flatten));  // expected-error{{'flatten' attribute only applies to functions}}
+  void mf1() __attribute__((flatten));
+  static void mf2() __attribute__((flatten));
+};
+
+int ci [[gnu::flatten]]; // expected-error {{'flatten' attribute only applies to functions}}
+
+[[gnu::flatten]] void cf1();
+[[gnu::flatten(1)]] void cf2(); // expected-error {{'flatten' attribute takes no arguments}}
+
+template <typename T>
+[[gnu::flatten]]
+void ctf1();
+
+int cf3(int c[[gnu::flatten]], int); // expected-error{{'flatten' attribute only applies to functions}}
+
+struct CA {
+  int f [[gnu::flatten]];  // expected-error{{'flatten' attribute only applies to functions}}
+  [[gnu::flatten]] void mf1();
+  [[gnu::flatten]] static void mf2();
+};
-- 
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