1 # RUN: llc -O0 -run-pass=avr-expand-pseudo %s -o - | FileCheck %s
3 # This test checks the expansion of the 16-bit subtraction pseudo instruction.
6 target triple = "avr--"
7 define void @test_subwrdrr() {
18 ; CHECK-LABEL: test_subwrdrr
20 ; CHECK: $r14 = SUBRdRr $r14, $r20, implicit-def $sreg
21 ; CHECK-NEXT: $r15 = SBCRdRr $r15, $r21, implicit-def $sreg, implicit killed $sreg
23 $r15r14 = SUBWRdRr $r15r14, $r21r20, implicit-def $sreg