diff --git a/llvm/test/Bindings/llvm-c/echo.ll b/llvm/test/Bindings/llvm-c/echo.ll
--- a/llvm/test/Bindings/llvm-c/echo.ll
+++ b/llvm/test/Bindings/llvm-c/echo.ll
@@ -98,6 +98,16 @@
   ret i32 %1
 }
 
+define i32 @tailcall() {
+  %1 = tail call i32 @call()
+  ret i32 %1
+}
+
+define i32 @musttailcall() {
+  %1 = musttail call i32 @call()
+  ret i32 %1
+}
+
 define i32 @cond(i32 %a, i32 %b) {
   br label %br
 unreachable: