SBCWRdRr.mir
578 Bytes
# RUN: llc -O0 -run-pass=avr-expand-pseudo %s -o - | FileCheck %s
# This test checks the expansion of the 16-bit subtraction with carry pseudo instruction.
--- |
target triple = "avr--"
define void @test_sbcwrdrr() {
entry:
ret void
}
...
---
name: test_sbcwrdrr
body: |
bb.0.entry:
; CHECK-LABEL: test_sbcwrdrr
; CHECK: $r14 = SBCRdRr $r14, $r20, implicit-def $sreg
; CHECK-NEXT: $r15 = SBCRdRr $r15, $r21, implicit-def $sreg, implicit killed $sreg
$r15r14 = SBCWRdRr $r15r14, $r21r20, implicit-def $sreg, implicit $sreg
...