llvm/test/CodeGen/AVR/pseudo/SBCWRdRr.mir


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# 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
...