--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/llvm/test/CodeGen/AMDGPU/tail-dup-bundle.mir	Thu Feb 13 15:10:13 2020 +0900
@@ -0,0 +1,38 @@
+# NOTE: Assertions have been autogenerated by utils/update_mir_test_checks.py
+# RUN: llc -march=amdgcn -run-pass=block-placement -tail-dup-placement-threshold=2 -verify-machineinstrs -o - %s | FileCheck -check-prefix=GCN %s
+
+# Check that tail duplication correctly counts instructions in a bundle.
+# The bundle below shall not be duplicated.
+
+---
+name:            tail_dup_bundle
+body:             |
+  ; GCN-LABEL: name: tail_dup_bundle
+  ; GCN: bb.0:
+  ; GCN:   successors: %bb.2(0x80000000)
+  ; GCN: bb.2:
+  ; GCN:   BUNDLE {
+  ; GCN:     S_NOP 0
+  ; GCN:     S_NOP 0
+  ; GCN:   }
+  ; GCN:   S_ENDPGM 0
+  ; GCN: bb.1:
+  ; GCN:   successors: %bb.2(0x80000000)
+  ; GCN:   S_BRANCH %bb.2
+  bb.0:
+    successors: %bb.2(0x80000000)
+
+    S_BRANCH %bb.2
+
+  bb.1:
+    successors: %bb.2(0x80000000)
+
+  bb.2:
+
+    BUNDLE {
+      S_NOP 0
+      S_NOP 0
+    }
+    S_ENDPGM 0
+
+...