test/CodeGen/AArch64/GlobalISel/postlegalizer-combiner-copy-prop.mir

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

...
---
name:            postlegalize_copy_prop
legalized:       true
tracksRegLiveness: true
body:             |
  bb.1.entry:
    liveins: $x0, $x1

    ; CHECK-LABEL: name: postlegalize_copy_prop
    ; CHECK: liveins: $x0, $x1
    ; CHECK: [[COPY:%[0-9]+]]:_(s64) = COPY $x0
    ; CHECK: [[COPY1:%[0-9]+]]:_(s64) = COPY $x1
    ; CHECK: [[ADD:%[0-9]+]]:_(s64) = G_ADD [[COPY]], [[COPY1]]
    ; CHECK: [[ADD1:%[0-9]+]]:_(s64) = G_ADD [[ADD]], [[ADD]]
    ; CHECK: $x0 = COPY [[ADD1]](s64)
    ; CHECK: RET_ReallyLR
    %0:_(s64) = COPY $x0
    %1:_(s64) = COPY $x1
    %2:_(s64) = G_ADD %0, %1
    %3:_(s64) = COPY %2
    %4:_(s64) = G_ADD %3, %3
    $x0 = COPY %4
    RET_ReallyLR

...