# NOTE: Assertions have been autogenerated by utils/update_mir_test_checks.py UTC_ARGS: --version 3
# RUN: llc -mtriple=x86_64-unknown-linux-gnu -run-pass=register-coalescer -o - %s | FileCheck %s
---
name:  rematerialize_subreg_to_reg_added_impdef_1
tracksRegLiveness: true
body:             |
  ; CHECK-LABEL: name: rematerialize_subreg_to_reg_added_impdef_1
  ; CHECK: bb.0:
  ; CHECK-NEXT:   successors: %bb.1(0x2aaaaaab), %bb.2(0x55555555)
  ; CHECK-NEXT:   liveins: $edi
  ; CHECK-NEXT: {{  $}}
  ; CHECK-NEXT:   undef [[MOV32r0_:%[0-9]+]].sub_32bit:gr64_with_sub_8bit = MOV32r0 implicit-def dead $eflags
  ; CHECK-NEXT:   JCC_1 %bb.2, 5, implicit killed undef $eflags
  ; CHECK-NEXT: {{  $}}
  ; CHECK-NEXT: bb.1:
  ; CHECK-NEXT:   successors: %bb.3(0x80000000)
  ; CHECK-NEXT: {{  $}}
  ; CHECK-NEXT:   JMP_1 %bb.3
  ; CHECK-NEXT: {{  $}}
  ; CHECK-NEXT: bb.2:
  ; CHECK-NEXT:   successors: %bb.3(0x80000000)
  ; CHECK-NEXT: {{  $}}
  ; CHECK-NEXT:   [[MOV32r0_:%[0-9]+]]:gr64_with_sub_8bit = IMPLICIT_DEF
  ; CHECK-NEXT: {{  $}}
  ; CHECK-NEXT: bb.3:
  ; CHECK-NEXT:   successors: %bb.4(0x30000000), %bb.5(0x50000000)
  ; CHECK-NEXT: {{  $}}
  ; CHECK-NEXT:   JCC_1 %bb.5, 5, implicit killed undef $eflags
  ; CHECK-NEXT: {{  $}}
  ; CHECK-NEXT: bb.4:
  ; CHECK-NEXT:   dead $eax = MOV32r0 implicit-def dead $eflags, implicit-def $al
  ; CHECK-NEXT:   RET 0, killed undef $al
  ; CHECK-NEXT: {{  $}}
  ; CHECK-NEXT: bb.5:
  ; CHECK-NEXT:   MOV64mr undef $noreg, 1, undef $noreg, 0, undef $noreg, [[MOV32r0_]] :: (store (s64))
  ; CHECK-NEXT:   RET 0, killed undef $al
  bb.0:
    successors: %bb.1(0x2aaaaaab), %bb.2(0x55555555)
    liveins: $edi

    %0:gr32 = MOV32r0 implicit-def dead $eflags
    %1:gr8 = COPY %0.sub_8bit
    %2:gr64 = SUBREG_TO_REG 0, killed %0, %subreg.sub_32bit
    JCC_1 %bb.2, 5, implicit killed undef $eflags

  bb.1:
    successors: %bb.3(0x80000000)

    JMP_1 %bb.3

  bb.2:
    successors: %bb.3(0x80000000)

    %5:gr64 = IMPLICIT_DEF
    %2:gr64 = COPY killed %5

  bb.3:
    successors: %bb.4(0x30000000), %bb.5(0x50000000)

    JCC_1 %bb.5, 5, implicit killed undef $eflags

  bb.4:
    $al = COPY killed %1
    RET 0, killed undef $al

  bb.5:
    MOV64mr undef $noreg, 1, undef $noreg, 0, undef $noreg, killed %2 :: (store (s64))
    RET 0, killed undef $al

...