1 files changed, 17 insertions, 0 deletions
diff --git a/llvm/test/CodeGen/Hexagon/common-global-addr.ll b/llvm/test/CodeGen/Hexagon/common-global-addr.ll
new file mode 100644
index 00000000000..a744b53c852
--- /dev/null
+++ b/llvm/test/CodeGen/Hexagon/common-global-addr.ll
@@ -0,0 +1,17 @@
+; RUN: llc -march=hexagon -hexagon-small-data-threshold=0 -disable-hexagon-amodeopt -hexagon-cext-threshold=1 < %s | FileCheck %s
+; Check commoning of global addresses.
+
+@g0 = external global i32
+
+; Function Attrs: nounwind
+define zeroext i32 @f0() #0 {
+b0:
+; CHECK: ##g0
+; CHECK-NOT: ##g0
+  %v0 = load i32, i32* @g0, align 1
+  %v1 = mul nsw i32 100, %v0
+  store i32 %v1, i32* @g0, align 1
+  ret i32 %v1
+}
+
+attributes #0 = { nounwind }