llvm/test/CodeGen/AArch64/machine-cp-backward-uses.mir

# NOTE: Assertions have been autogenerated by utils/update_mir_test_checks.py UTC_ARGS: --version 5
# RUN: llc -mtriple=aarch64-none-linux-gnu -run-pass machine-cp -verify-machineinstrs -o - %s | FileCheck %s

# Normal case
---
name: test1
body: |
  bb.0:
    liveins: $w2
    ; CHECK-LABEL: name: test1
    ; CHECK: liveins: $w2
    ; CHECK-NEXT: {{  $}}
    ; CHECK-NEXT: renamable $w0 = MOVi32imm 5
    ; CHECK-NEXT: renamable $w3 = ADDWrr renamable $w0, killed renamable $w2
    ; CHECK-NEXT: RET_ReallyLR implicit killed $w0
    renamable $w1 = MOVi32imm 5
    renamable $w3 = ADDWrr renamable $w1, killed renamable $w2
    renamable $w0 = COPY killed renamable $w1
    RET_ReallyLR implicit killed $w0
...

# Not renamable use
---
name: test2
body: |
  bb.0:
    liveins: $w2
    ; CHECK-LABEL: name: test2
    ; CHECK: liveins: $w2
    ; CHECK-NEXT: {{  $}}
    ; CHECK-NEXT: renamable $w1 = MOVi32imm 5
    ; CHECK-NEXT: renamable $w3 = ADDWrr $w1, killed renamable $w2
    ; CHECK-NEXT: renamable $w0 = COPY killed renamable $w1
    ; CHECK-NEXT: RET_ReallyLR implicit killed $w0
    renamable $w1 = MOVi32imm 5
    renamable $w3 = ADDWrr $w1, killed renamable $w2
    renamable $w0 = COPY killed renamable $w1
    RET_ReallyLR implicit killed $w0
...

# Implicit use
---
name: test3
body: |
  bb.0:
    liveins: $w2
    ; CHECK-LABEL: name: test3
    ; CHECK: liveins: $w2
    ; CHECK-NEXT: {{  $}}
    ; CHECK-NEXT: renamable $w1 = MOVi32imm 5
    ; CHECK-NEXT: renamable $w3 = ADDWrr renamable $w1, killed renamable $w2, implicit $w1
    ; CHECK-NEXT: renamable $w0 = COPY killed renamable $w1
    ; CHECK-NEXT: RET_ReallyLR implicit killed $w0
    renamable $w1 = MOVi32imm 5
    renamable $w3 = ADDWrr renamable $w1, killed renamable $w2, implicit $w1
    renamable $w0 = COPY killed renamable $w1
    RET_ReallyLR implicit killed $w0
...