llvm/test/CodeGen/AMDGPU/copy-overlap-sgpr-kill.mir

   1 # NOTE: Assertions have been autogenerated by utils/update_mir_test_checks.py
   2 # RUN: llc -mtriple=amdgcn-amd-amdhsa -mcpu=gfx906 -verify-machineinstrs -run-pass=postrapseudos -o - %s | FileCheck %s
   3
   4 # Don't set a kill of the super register on the last instruction with
   5 # an overlapping copy. This would kill part of the values in the
   6 # result copies.
   7
   8 ---
   9 name: overlapping_copy_kill_undef_reg_after_copy
  10 tracksRegLiveness: true
  11 body:             |
  12   bb.0:
  13     liveins: $sgpr30_sgpr31, $sgpr4_sgpr5_sgpr6_sgpr7_sgpr8_sgpr9_sgpr10_sgpr11
  14
  15     ; CHECK-LABEL: name: overlapping_copy_kill_undef_reg_after_copy
  16     ; CHECK: liveins: $sgpr30_sgpr31, $sgpr4_sgpr5_sgpr6_sgpr7_sgpr8_sgpr9_sgpr10_sgpr11
  17     ; CHECK-NEXT: {{  $}}
  18     ; CHECK-NEXT: $sgpr0_sgpr1 = S_MOV_B64 $sgpr4_sgpr5, implicit $sgpr4_sgpr5_sgpr6_sgpr7_sgpr8_sgpr9_sgpr10_sgpr11, implicit-def $sgpr0_sgpr1_sgpr2_sgpr3_sgpr4_sgpr5_sgpr6_sgpr7
  19     ; CHECK-NEXT: $sgpr2_sgpr3 = S_MOV_B64 $sgpr6_sgpr7, implicit $sgpr4_sgpr5_sgpr6_sgpr7_sgpr8_sgpr9_sgpr10_sgpr11
  20     ; CHECK-NEXT: $sgpr4_sgpr5 = S_MOV_B64 $sgpr8_sgpr9, implicit $sgpr4_sgpr5_sgpr6_sgpr7_sgpr8_sgpr9_sgpr10_sgpr11
  21     ; CHECK-NEXT: $sgpr6_sgpr7 = S_MOV_B64 $sgpr10_sgpr11, implicit $sgpr4_sgpr5_sgpr6_sgpr7_sgpr8_sgpr9_sgpr10_sgpr11
  22     ; CHECK-NEXT: renamable $sgpr1 = S_ADD_I32 0, $sgpr1, implicit-def $scc
  23     ; CHECK-NEXT: S_SETPC_B64 $sgpr30_sgpr31, implicit $sgpr0, implicit $sgpr1, implicit $sgpr2, implicit $sgpr3, implicit $sgpr4, implicit $sgpr5, implicit $sgpr6, implicit $sgpr7
  24     renamable $sgpr0_sgpr1_sgpr2_sgpr3_sgpr4_sgpr5_sgpr6_sgpr7 = COPY killed renamable $sgpr4_sgpr5_sgpr6_sgpr7_sgpr8_sgpr9_sgpr10_sgpr11
  25     renamable $sgpr1 = S_ADD_I32 0, $sgpr1, implicit-def $scc
  26     S_SETPC_B64 $sgpr30_sgpr31, implicit $sgpr0, implicit $sgpr1, implicit $sgpr2, implicit $sgpr3, implicit $sgpr4, implicit $sgpr5, implicit $sgpr6, implicit $sgpr7
  27
  28 ...
  29
  30 ---
  31 name: nonoverlapping_copy_kill
  32 tracksRegLiveness: true
  33 body:             |
  34   bb.0:
  35     liveins: $sgpr30_sgpr31, $sgpr4_sgpr5_sgpr6
  36
  37     ; CHECK-LABEL: name: nonoverlapping_copy_kill
  38     ; CHECK: liveins: $sgpr30_sgpr31, $sgpr4_sgpr5_sgpr6
  39     ; CHECK-NEXT: {{  $}}
  40     ; CHECK-NEXT: $sgpr0_sgpr1 = S_MOV_B64 $sgpr4_sgpr5, implicit $sgpr4_sgpr5_sgpr6, implicit-def $sgpr0_sgpr1_sgpr2
  41     ; CHECK-NEXT: $sgpr2 = S_MOV_B32 $sgpr6, implicit killed $sgpr4_sgpr5_sgpr6
  42     ; CHECK-NEXT: renamable $sgpr1 = S_ADD_I32 0, $sgpr1, implicit-def $scc
  43     ; CHECK-NEXT: S_SETPC_B64 $sgpr30_sgpr31, implicit $sgpr0, implicit $sgpr1, implicit $sgpr2
  44     renamable $sgpr0_sgpr1_sgpr2 = COPY killed renamable $sgpr4_sgpr5_sgpr6
  45     renamable $sgpr1 = S_ADD_I32 0, $sgpr1, implicit-def $scc
  46     S_SETPC_B64 $sgpr30_sgpr31, implicit $sgpr0, implicit $sgpr1, implicit $sgpr2
  47
  48 ...