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

   1 # RUN: llc -O0 %s -o - | FileCheck %s
   2
   3 --- |
   4   target triple = "avr--"
   5
   6   define void @test_copy_nonoverlapping() {
   7   entry:
   8     ret void
   9   }
  10
  11   define void @test_copy_overlapping() {
  12   entry:
  13     ret void
  14   }
  15
  16   declare void @foo(i16 %0)
  17 ...
  18
  19 ---
  20 name: test_copy_nonoverlapping
  21 tracksRegLiveness: true
  22 body: |
  23   bb.0.entry:
  24     liveins: $r25r24
  25
  26     ; CHECK-LABEL: test_copy_nonoverlapping:
  27     ; CHECK: mov r22, r24
  28     ; CHECK-NEXT: mov r23, r25
  29
  30     $r23r22 = COPY $r25r24
  31     RCALLk @foo, implicit $r24r23
  32 ...
  33
  34 ---
  35 name: test_copy_overlapping
  36 tracksRegLiveness: true
  37 body: |
  38   bb.0.entry:
  39     liveins: $r24r23
  40
  41     ; CHECK-LABEL: test_copy_overlapping:
  42     ; CHECK: mov r25, r24
  43     ; CHECK-NEXT: mov r24, r23
  44
  45     $r25r24 = COPY $r24r23
  46     RCALLk @foo, implicit $r25r24
  47 ...