--- /dev/null
+# RUN: llc -O0 -run-pass=avr-expand-pseudo %s -o - | FileCheck %s
+
+# This test checks the expansion of the 8-bit RORB (rotate) pseudo instruction.
+
+--- |
+ target triple = "avr--"
+ define void @test_rorbrd() {
+ entry:
+ ret void
+ }
+...
+
+---
+name: test_rorbrd
+body: |
+ bb.0.entry:
+ liveins: $r14
+
+ ; CHECK-LABEL: test_rorbrd
+ ; CHECK: BST $r14, 0, implicit-def $sreg
+ ; CHECK-NEXT: $r14 = RORRd $r14, implicit-def $sreg, implicit $sreg
+ ; CHECK-NEXT: $r14 = BLD $r14, 7, implicit $sreg
+
+ $r14 = RORBRd $r14, implicit-def $sreg
+...