1 files changed, 27 insertions, 0 deletions
diff --git a/llvm/test/CodeGen/WebAssembly/cfg-stackify-dbg.mir b/llvm/test/CodeGen/WebAssembly/cfg-stackify-dbg.mir
new file mode 100644
index 00000000000..cd76d9132f9
--- /dev/null
+++ b/llvm/test/CodeGen/WebAssembly/cfg-stackify-dbg.mir
@@ -0,0 +1,27 @@
+# RUN: llc -mtriple=wasm32-unknown-unknown -run-pass wasm-cfg-stackify %s -o - | FileCheck %s
+
+# This tests if END_LOOP marker is placed correctly when the BB it is to be
+# placed is unreachable. Regression test for PR41307.
+
+# CHECK-LABEL: unreachable_test
+name: unreachable_test
+liveins:
+  - { reg: '$arguments' }
+body: |
+  bb.0:
+    successors: %bb.1
+
+  bb.1:
+  ; predecessors: %bb.0, %bb.2
+    successors: %bb.2
+
+  bb.2:
+  ; predecessors: %bb.1
+    successors: %bb.1
+    BR %bb.1, implicit-def dead $arguments
+
+  ; CHECK: bb.3
+  ; CHECK: END_LOOP
+  bb.3:
+    UNREACHABLE implicit-def $arguments
+...