1 files changed, 16 insertions, 0 deletions
diff --git a/test/CodeGen/compound-literal.c b/test/CodeGen/compound-literal.c
index 85138bfaf5e0..6507341ce2c1 100644
--- a/test/CodeGen/compound-literal.c
+++ b/test/CodeGen/compound-literal.c
@@ -1,5 +1,10 @@
 // RUN: %clang_cc1 -triple x86_64-apple-darwin -emit-llvm %s -o - | FileCheck %s
 
+// Capture the type and name so matching later is cleaner.
+struct CompoundTy { int a; };
+// CHECK: @MyCLH = constant [[MY_CLH:[^,]+]]
+const struct CompoundTy *const MyCLH = &(struct CompoundTy){3};
+
 int* a = &(int){1};
 struct s {int a, b, c;} * b = &(struct s) {1, 2, 3};
 _Complex double * x = &(_Complex double){1.0f};
@@ -66,3 +71,14 @@ struct G g(int x, int y, int z) {
   // CHECK-NEXT: [[T0:%.*]] = load i48, i48* [[COERCE_TEMP]]
   // CHECK-NEXT: ret i48 [[T0]]
 }
+
+// We had a bug where we'd emit a new GlobalVariable for each time we used a
+// const pointer to a variable initialized by a compound literal.
+// CHECK-LABEL: define i32 @compareMyCLH() #0
+int compareMyCLH() {
+  // CHECK: store i8* bitcast ([[MY_CLH]] to i8*)
+  const void *a = MyCLH;
+  // CHECK: store i8* bitcast ([[MY_CLH]] to i8*)
+  const void *b = MyCLH;
+  return a == b;
+}