llvm/test/CodeGen/AArch64/large-offset-ldr-merge.mir

# NOTE: Assertions have been autogenerated by utils/update_mir_test_checks.py
# RUN: llc -mtriple=aarch64 -run-pass aarch64-ldst-opt %s -o - | FileCheck %s


---
name:            LdOffset
tracksRegLiveness: true
liveins:
  - { reg: '$x0', virtual-reg: '' }
body:             |
  bb.0.entry:
    liveins: $x0

    ; CHECK-LABEL: name: LdOffset
    ; CHECK: liveins: $x0
    ; CHECK-NEXT: {{  $}}
    ; CHECK-NEXT: renamable $w8 = MOVZWi 56952, 0
    ; CHECK-NEXT: renamable $w8 = MOVKWi $w8, 15, 16, implicit-def $x8
    ; CHECK-NEXT: renamable $w0 = LDRBBroX killed renamable $x0, killed renamable $x8, 0, 0
    ; CHECK-NEXT: RET undef $lr, implicit $w0
    renamable $w8 = MOVZWi 56952, 0
    renamable $w8 = MOVKWi $w8, 15, 16, implicit-def $x8
    renamable $w0 = LDRBBroX killed renamable $x0, killed renamable $x8, 0, 0
    RET undef $lr, implicit $w0
...

# Negative test: the IndexReg missing killed flags
---
name:            LdOffset_missing_killed
tracksRegLiveness: true
liveins:
  - { reg: '$x0', virtual-reg: '' }
body:             |
  bb.0.entry:
    liveins: $x0

    ; CHECK-LABEL: name: LdOffset_missing_killed
    ; CHECK: liveins: $x0
    ; CHECK-NEXT: {{  $}}
    ; CHECK-NEXT: renamable $w8 = MOVZWi 56952, 0
    ; CHECK-NEXT: renamable $w8 = MOVKWi $w8, 15, 16, implicit-def $x8
    ; CHECK-NEXT: renamable $w0 = LDRBBroX killed renamable $x0, renamable $x8, 0, 0
    ; CHECK-NEXT: RET undef $lr, implicit $w0
    renamable $w8 = MOVZWi 56952, 0
    renamable $w8 = MOVKWi $w8, 15, 16, implicit-def $x8
    renamable $w0 = LDRBBroX killed renamable $x0, renamable $x8, 0, 0
    RET undef $lr, implicit $w0
...