llvm/test/CodeGen/AArch64/cbz_wzr.mir

# NOTE: Assertions have been autogenerated by utils/update_mir_test_checks.py UTC_ARGS: --version 6
# RUN: llc -o - %s -mtriple=aarch64-none-eabi -run-pass=machine-cp -mcp-use-is-copy-instr | FileCheck %s

---
name:            cbz_wzr
tracksRegLiveness: true
body:             |
  ; CHECK-LABEL: name: cbz_wzr
  ; CHECK: bb.0:
  ; CHECK-NEXT:   successors: %bb.2(0x40000000), %bb.1(0x40000000)
  ; CHECK-NEXT:   liveins: $x0
  ; CHECK-NEXT: {{  $}}
  ; CHECK-NEXT:   CBZW $wzr, %bb.2
  ; CHECK-NEXT: {{  $}}
  ; CHECK-NEXT: bb.1:
  ; CHECK-NEXT:   $w0 = MOVZWi 10, 0
  ; CHECK-NEXT:   RET undef $lr, implicit $w0
  ; CHECK-NEXT: {{  $}}
  ; CHECK-NEXT: bb.2:
  ; CHECK-NEXT:   $w0 = MOVZWi 20, 0
  ; CHECK-NEXT:   RET undef $lr, implicit $w0
  bb.0:
    liveins: $x0

    $w8 = ORRWrs $wzr, $wzr, 0
    CBZW killed renamable $w8, %bb.2

  bb.1:
    $w0 = MOVZWi 10, 0
    RET undef $lr, implicit $w0

  bb.2:
    $w0 = MOVZWi 20, 0
    RET undef $lr, implicit $w0
...
---
name:            cbnz_wzr
tracksRegLiveness: true
body:             |
  ; CHECK-LABEL: name: cbnz_wzr
  ; CHECK: bb.0:
  ; CHECK-NEXT:   successors: %bb.2(0x40000000), %bb.1(0x40000000)
  ; CHECK-NEXT:   liveins: $x0
  ; CHECK-NEXT: {{  $}}
  ; CHECK-NEXT:   CBNZW $wzr, %bb.2
  ; CHECK-NEXT: {{  $}}
  ; CHECK-NEXT: bb.1:
  ; CHECK-NEXT:   $w0 = MOVZWi 10, 0
  ; CHECK-NEXT:   RET undef $lr, implicit $w0
  ; CHECK-NEXT: {{  $}}
  ; CHECK-NEXT: bb.2:
  ; CHECK-NEXT:   $w0 = MOVZWi 20, 0
  ; CHECK-NEXT:   RET undef $lr, implicit $w0
  bb.0:
    liveins: $x0

    $w8 = ORRWrs $wzr, $wzr, 0
    CBNZW killed renamable $w8, %bb.2

  bb.1:
    $w0 = MOVZWi 10, 0
    RET undef $lr, implicit $w0

  bb.2:
    $w0 = MOVZWi 20, 0
    RET undef $lr, implicit $w0
...
---
name:            tbz_wzr
tracksRegLiveness: true
body:             |
  ; CHECK-LABEL: name: tbz_wzr
  ; CHECK: bb.0:
  ; CHECK-NEXT:   successors: %bb.2(0x40000000), %bb.1(0x40000000)
  ; CHECK-NEXT:   liveins: $x0
  ; CHECK-NEXT: {{  $}}
  ; CHECK-NEXT:   TBZW $wzr, 0, %bb.2
  ; CHECK-NEXT: {{  $}}
  ; CHECK-NEXT: bb.1:
  ; CHECK-NEXT:   $w0 = MOVZWi 10, 0
  ; CHECK-NEXT:   RET undef $lr, implicit $w0
  ; CHECK-NEXT: {{  $}}
  ; CHECK-NEXT: bb.2:
  ; CHECK-NEXT:   $w0 = MOVZWi 20, 0
  ; CHECK-NEXT:   RET undef $lr, implicit $w0
  bb.0:
    liveins: $x0

    $w8 = ORRWrs $wzr, $wzr, 0
    TBZW killed renamable $w8, 0, %bb.2

  bb.1:
    $w0 = MOVZWi 10, 0
    RET undef $lr, implicit $w0

  bb.2:
    $w0 = MOVZWi 20, 0
    RET undef $lr, implicit $w0
...
---
name:            tbnz_wzr
tracksRegLiveness: true
body:             |
  ; CHECK-LABEL: name: tbnz_wzr
  ; CHECK: bb.0:
  ; CHECK-NEXT:   successors: %bb.2(0x40000000), %bb.1(0x40000000)
  ; CHECK-NEXT:   liveins: $x0
  ; CHECK-NEXT: {{  $}}
  ; CHECK-NEXT:   TBNZW $wzr, 0, %bb.2
  ; CHECK-NEXT: {{  $}}
  ; CHECK-NEXT: bb.1:
  ; CHECK-NEXT:   $w0 = MOVZWi 10, 0
  ; CHECK-NEXT:   RET undef $lr, implicit $w0
  ; CHECK-NEXT: {{  $}}
  ; CHECK-NEXT: bb.2:
  ; CHECK-NEXT:   $w0 = MOVZWi 20, 0
  ; CHECK-NEXT:   RET undef $lr, implicit $w0
  bb.0:
    liveins: $x0

    $w8 = ORRWrs $wzr, $wzr, 0
    TBNZW killed renamable $w8, 0, %bb.2

  bb.1:
    $w0 = MOVZWi 10, 0
    RET undef $lr, implicit $w0

  bb.2:
    $w0 = MOVZWi 20, 0
    RET undef $lr, implicit $w0
...

---
name:            cbz_xzr
tracksRegLiveness: true
body:             |
  ; CHECK-LABEL: name: cbz_xzr
  ; CHECK: bb.0:
  ; CHECK-NEXT:   successors: %bb.2(0x40000000), %bb.1(0x40000000)
  ; CHECK-NEXT:   liveins: $x0
  ; CHECK-NEXT: {{  $}}
  ; CHECK-NEXT:   CBZX $xzr, %bb.2
  ; CHECK-NEXT: {{  $}}
  ; CHECK-NEXT: bb.1:
  ; CHECK-NEXT:   $w0 = MOVZWi 10, 0
  ; CHECK-NEXT:   RET undef $lr, implicit $w0
  ; CHECK-NEXT: {{  $}}
  ; CHECK-NEXT: bb.2:
  ; CHECK-NEXT:   $w0 = MOVZWi 20, 0
  ; CHECK-NEXT:   RET undef $lr, implicit $w0
  bb.0:
    liveins: $x0

    $x8 = ORRXrs $xzr, $xzr, 0
    CBZX killed renamable $x8, %bb.2

  bb.1:
    $w0 = MOVZWi 10, 0
    RET undef $lr, implicit $w0

  bb.2:
    $w0 = MOVZWi 20, 0
    RET undef $lr, implicit $w0
...
---
name:            cbnz_xzr
tracksRegLiveness: true
body:             |
  ; CHECK-LABEL: name: cbnz_xzr
  ; CHECK: bb.0:
  ; CHECK-NEXT:   successors: %bb.2(0x40000000), %bb.1(0x40000000)
  ; CHECK-NEXT:   liveins: $x0
  ; CHECK-NEXT: {{  $}}
  ; CHECK-NEXT:   CBNZX $xzr, %bb.2
  ; CHECK-NEXT: {{  $}}
  ; CHECK-NEXT: bb.1:
  ; CHECK-NEXT:   $w0 = MOVZWi 10, 0
  ; CHECK-NEXT:   RET undef $lr, implicit $w0
  ; CHECK-NEXT: {{  $}}
  ; CHECK-NEXT: bb.2:
  ; CHECK-NEXT:   $w0 = MOVZWi 20, 0
  ; CHECK-NEXT:   RET undef $lr, implicit $w0
  bb.0:
    liveins: $x0

    $x8 = ORRXrs $xzr, $xzr, 0
    CBNZX killed renamable $x8, %bb.2

  bb.1:
    $w0 = MOVZWi 10, 0
    RET undef $lr, implicit $w0

  bb.2:
    $w0 = MOVZWi 20, 0
    RET undef $lr, implicit $w0
...
---
name:            tbz_xzr
tracksRegLiveness: true
body:             |
  ; CHECK-LABEL: name: tbz_xzr
  ; CHECK: bb.0:
  ; CHECK-NEXT:   successors: %bb.2(0x40000000), %bb.1(0x40000000)
  ; CHECK-NEXT:   liveins: $x0
  ; CHECK-NEXT: {{  $}}
  ; CHECK-NEXT:   TBZX $xzr, 0, %bb.2
  ; CHECK-NEXT: {{  $}}
  ; CHECK-NEXT: bb.1:
  ; CHECK-NEXT:   $w0 = MOVZWi 10, 0
  ; CHECK-NEXT:   RET undef $lr, implicit $w0
  ; CHECK-NEXT: {{  $}}
  ; CHECK-NEXT: bb.2:
  ; CHECK-NEXT:   $w0 = MOVZWi 20, 0
  ; CHECK-NEXT:   RET undef $lr, implicit $w0
  bb.0:
    liveins: $x0

    $x8 = ORRXrs $xzr, $xzr, 0
    TBZX killed renamable $x8, 0, %bb.2

  bb.1:
    $w0 = MOVZWi 10, 0
    RET undef $lr, implicit $w0

  bb.2:
    $w0 = MOVZWi 20, 0
    RET undef $lr, implicit $w0
...
---
name:            tbnz_xzr
tracksRegLiveness: true
body:             |
  ; CHECK-LABEL: name: tbnz_xzr
  ; CHECK: bb.0:
  ; CHECK-NEXT:   successors: %bb.2(0x40000000), %bb.1(0x40000000)
  ; CHECK-NEXT:   liveins: $x0
  ; CHECK-NEXT: {{  $}}
  ; CHECK-NEXT:   TBNZX $xzr, 0, %bb.2
  ; CHECK-NEXT: {{  $}}
  ; CHECK-NEXT: bb.1:
  ; CHECK-NEXT:   $w0 = MOVZWi 10, 0
  ; CHECK-NEXT:   RET undef $lr, implicit $w0
  ; CHECK-NEXT: {{  $}}
  ; CHECK-NEXT: bb.2:
  ; CHECK-NEXT:   $w0 = MOVZWi 20, 0
  ; CHECK-NEXT:   RET undef $lr, implicit $w0
  bb.0:
    liveins: $x0

    $x8 = ORRXrs $xzr, $xzr, 0
    TBNZX killed renamable $x8, 0, %bb.2

  bb.1:
    $w0 = MOVZWi 10, 0
    RET undef $lr, implicit $w0

  bb.2:
    $w0 = MOVZWi 20, 0
    RET undef $lr, implicit $w0
...