llvm/test/CodeGen/AArch64/machine-cp-sub-reg.mir

# NOTE: Assertions have been autogenerated by utils/update_mir_test_checks.py UTC_ARGS: --version 4
# RUN: llc -o - %s --run-pass=machine-cp -mcp-use-is-copy-instr -mtriple=arm64-apple-macos --verify-machineinstrs | FileCheck %s

--- |
  declare void @foo()

  define void @test() {
    unreachable
  }
  define void @test2() {
    unreachable
  }
...

---
name: test
tracksRegLiveness: true
body:             |
  ; CHECK-LABEL: name: test
  ; CHECK: bb.0:
  ; CHECK-NEXT:   successors: %bb.1(0x80000000)
  ; CHECK-NEXT:   liveins: $w0
  ; CHECK-NEXT: {{  $}}
  ; CHECK-NEXT:   $w8 = ORRWrs $wzr, $w0, 0, implicit-def $x8
  ; CHECK-NEXT: {{  $}}
  ; CHECK-NEXT: bb.1:
  ; CHECK-NEXT:   liveins: $x8
  ; CHECK-NEXT: {{  $}}
  ; CHECK-NEXT:   $x0 = ADDXri $x8, 1, 0
  ; CHECK-NEXT:   RET undef $lr, implicit $x0
  bb.0:
    successors: %bb.1(0x80000000)
    liveins: $w0

    $x8 = ORRXrs $xzr, $x0, 0, implicit $w0
    $w8 = ORRWrs $wzr, $w0, 0, implicit-def $x8

  bb.1:
    liveins: $x8
    $x0 = ADDXri $x8, 1, 0

    RET undef $lr, implicit $x0
...
---
name:            test2
tracksRegLiveness: true
body: |
  bb.0:
    liveins: $q14, $d29, $x0, $x1
    ; CHECK-LABEL: name: test2
    ; CHECK: liveins: $q14, $d29, $x0, $x1
    ; CHECK-NEXT: {{  $}}
    ; CHECK-NEXT: renamable $d8 = COPY killed renamable $d29
    ; CHECK-NEXT: BL @foo, csr_aarch64_aapcs, implicit-def dead $lr, implicit $sp, implicit-def $sp
    ; CHECK-NEXT: renamable $b0 = SMAXVv8i8v killed renamable $d8, implicit-def $q0
    ; CHECK-NEXT: RET_ReallyLR implicit $b0
    renamable $q8 = COPY renamable $q14
    renamable $d8 = COPY killed renamable $d29
    BL @foo, csr_aarch64_aapcs, implicit-def dead $lr, implicit $sp, implicit-def $sp
    renamable $b0 = SMAXVv8i8v killed renamable $d8, implicit-def $q0
    RET_ReallyLR implicit $b0
...