test/CodeGen/SystemZ/machinelicm-sunk-kill-flags.mir

# NOTE: Assertions have been autogenerated by utils/update_mir_test_checks.py
# RUN: llc -mtriple=s390x-linux-gnu -sink-insts-to-avoid-spills -verify-machineinstrs -run-pass=machine-sink -o - %s | FileCheck %s

# Test kill flags are cleared after sinking operations into cycle during MachineLICM.

--- |
  target datalayout = "E-m:e-i1:8:16-i8:8:16-i64:64-f128:64-a:8:16-n32:64"
  target triple = "s390x-unknown-linux-gnu"

  %0 = type <{ i32, [3 x i8] }>

  @b = external dso_local global [1 x %0], align 2

  define dso_local void @c() local_unnamed_addr {
    ret void
  }

...
---
name:            c
tracksRegLiveness: true
body:             |
  ; CHECK-LABEL: name: c
  ; CHECK: bb.0:
  ; CHECK-NEXT:   successors: %bb.1(0x80000000)
  ; CHECK-NEXT: {{  $}}
  ; CHECK-NEXT:   [[LARL:%[0-9]+]]:addr64bit = LARL @b
  ; CHECK-NEXT: {{  $}}
  ; CHECK-NEXT: bb.1:
  ; CHECK-NEXT:   successors: %bb.1(0x80000000)
  ; CHECK-NEXT: {{  $}}
  ; CHECK-NEXT:   [[LA:%[0-9]+]]:gr64bit = LA [[LARL]], 49, $noreg
  ; CHECK-NEXT:   [[LGHI:%[0-9]+]]:gr64bit = LGHI 7
  ; CHECK-NEXT:   [[DEF:%[0-9]+]]:gr64bit = IMPLICIT_DEF
  ; CHECK-NEXT:   [[DEF1:%[0-9]+]]:gr64bit = IMPLICIT_DEF
  ; CHECK-NEXT:   ADJCALLSTACKDOWN 0, 0
  ; CHECK-NEXT:   $r2d = COPY [[DEF]]
  ; CHECK-NEXT:   $r3d = COPY [[LA]]
  ; CHECK-NEXT:   $r4d = COPY [[LGHI]]
  ; CHECK-NEXT:   CallBRASL &memcpy, $r2d, $r3d, $r4d, csr_systemz_elf, implicit-def dead $r14d, implicit-def dead $cc, implicit $fpc, implicit-def $r2d
  ; CHECK-NEXT:   ADJCALLSTACKUP 0, 0
  ; CHECK-NEXT:   ADJCALLSTACKDOWN 0, 0
  ; CHECK-NEXT:   $r2d = COPY [[DEF1]]
  ; CHECK-NEXT:   $r3d = COPY [[LA]]
  ; CHECK-NEXT:   $r4d = COPY [[LGHI]]
  ; CHECK-NEXT:   CallBRASL &memcpy, $r2d, $r3d, $r4d, csr_systemz_elf, implicit-def dead $r14d, implicit-def dead $cc, implicit $fpc, implicit-def $r2d
  ; CHECK-NEXT:   ADJCALLSTACKUP 0, 0
  ; CHECK-NEXT:   J %bb.1
  bb.0:
    successors: %bb.1(0x80000000)

    %1:addr64bit = LARL @b
    %0:gr64bit = LA killed %1, 49, $noreg
    %2:gr64bit = LGHI 7
    %3:gr64bit = IMPLICIT_DEF
    %5:gr64bit = IMPLICIT_DEF

  bb.1:
    successors: %bb.1(0x80000000)

    ADJCALLSTACKDOWN 0, 0
    $r2d = COPY %3
    $r3d = COPY %0
    $r4d = COPY %2
    CallBRASL &memcpy, $r2d, $r3d, $r4d, csr_systemz_elf, implicit-def dead $r14d, implicit-def dead $cc, implicit $fpc, implicit-def $r2d
    ADJCALLSTACKUP 0, 0
    ADJCALLSTACKDOWN 0, 0
    $r2d = COPY %5
    $r3d = COPY %0
    $r4d = COPY %2
    CallBRASL &memcpy, $r2d, $r3d, $r4d, csr_systemz_elf, implicit-def dead $r14d, implicit-def dead $cc, implicit $fpc, implicit-def $r2d
    ADJCALLSTACKUP 0, 0
    J %bb.1

...