vendor/clang/clang-r72732

1 files changed, 22 insertions, 0 deletions

diff --git a/test/CodeGen/global-decls.c b/test/CodeGen/global-decls.c
new file mode 100644
index 000000000000..80222ea85ef1
--- /dev/null
+++ b/test/CodeGen/global-decls.c
@@ -0,0 +1,22 @@
+// RUN: clang-cc -triple i386-pc-linux-gnu -emit-llvm -o %t %s &&
+
+// RUN: grep '@g0_ext = extern_weak global i32' %t &&
+extern int g0_ext __attribute__((weak));
+// RUN: grep 'declare extern_weak i32 @g1_ext()' %t &&
+extern int __attribute__((weak)) g1_ext (void);
+
+// RUN: grep '@g0_common = weak global i32' %t &&
+int g0_common __attribute__((weak));
+
+// RUN: grep '@g0_def = weak global i32' %t &&
+int g0_def __attribute__((weak)) = 52;
+// RUN: grep 'define weak i32 @g1_def()' %t &&
+int __attribute__((weak)) g1_def (void) {}
+
+// Force _ext references
+void f0() {
+  int a = g0_ext;
+  int b = g1_ext();
+}
+
+// RUN: true