1 files changed, 32 insertions, 0 deletions
diff --git a/test/CodeGen/alias.c b/test/CodeGen/alias.c
new file mode 100644
index 000000000000..b0c71fbdfca4
--- /dev/null
+++ b/test/CodeGen/alias.c
@@ -0,0 +1,32 @@
+// RUN: clang-cc -triple i386-pc-linux-gnu -emit-llvm -o %t %s &&
+// RUN: grep '@g0 = common global i32 0' %t &&
+// RUN: grep '@f1 = alias void ()\* @f0' %t &&
+// RUN: grep '@g1 = alias i32\* @g0' %t &&
+// RUN: grep 'define void @f0() nounwind {' %t &&
+
+void f0(void) { }
+extern void f1(void);
+extern void f1(void) __attribute((alias("f0")));
+
+int g0;
+extern int g1;
+extern int g1 __attribute((alias("g0")));
+
+// Make sure that aliases cause referenced values to be emitted.
+// PR3200
+// RUN: grep 'define internal i32 @foo1()' %t &&
+static inline int foo1() { return 0; }
+int foo() __attribute__((alias("foo1")));
+
+
+// RUN: grep '@bar1 = internal global i32 42' %t
+static int bar1 = 42;
+int bar() __attribute__((alias("bar1")));
+
+
+extern int test6();
+void test7() { test6(); }  // test6 is emitted as extern.
+
+// test6 changes to alias.
+int test6() __attribute__((alias("test7")));
+