1 files changed, 15 insertions, 0 deletions
diff --git a/llvm/test/Transforms/PruneEH/musttail.ll b/llvm/test/Transforms/PruneEH/musttail.ll
new file mode 100644
index 00000000000..1ad607713c6
--- /dev/null
+++ b/llvm/test/Transforms/PruneEH/musttail.ll
@@ -0,0 +1,15 @@
+; RUN: opt -prune-eh -S < %s | FileCheck %s
+
+declare void @noreturn()
+
+define void @testfn() {
+    ; A musttail call must be followed by (optional bitcast then) ret,
+    ; so make sure we don't insert an unreachable
+    ; CHECK: musttail call void @noreturn
+    ; CHECK-NOT: unreachable
+    ; CHECK-NEXT: ret void
+    musttail call void @noreturn() #0
+    ret void
+}
+
+attributes #0 = { noreturn }