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-rw-r--r--clang/test/CodeGenCXX/debug-info-global.cpp14
1 files changed, 14 insertions, 0 deletions
diff --git a/clang/test/CodeGenCXX/debug-info-global.cpp b/clang/test/CodeGenCXX/debug-info-global.cpp
new file mode 100644
index 00000000000..5f075b96131
--- /dev/null
+++ b/clang/test/CodeGenCXX/debug-info-global.cpp
@@ -0,0 +1,14 @@
+// RUN: %clang_cc1 -triple x86_64-none-linux-gnu -emit-llvm -g %s -o - | FileCheck %s
+
+// Multiple references to the same constant should result in only one entry in
+// the globals list.
+
+const int cnst = 42;
+int f1() {
+ return cnst + cnst;
+}
+
+// CHECK: metadata [[GLOBALS:![0-9]*]], metadata {{![0-9]*}}, metadata !"{{.*}}", i32 {{[0-9]*}}} ; [ DW_TAG_compile_unit ]
+
+// CHECK: [[GLOBALS]] = metadata !{metadata [[CNST:![0-9]*]]}
+
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