llvm/test/CodeGen/ARM/machine-outliner-noreturn.mir

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

--- |
  target datalayout = "e-m:e-p:32:32-Fi8-i64:64-v128:64:128-a:0:32-n32-S64"
  target triple = "thumbv8.1m.main-arm-none-eabi"

  @__stack_chk_guard = external dso_local global ptr

  define hidden void @test1(i32 %P0, i32 %P1) {
  entry:
    ret void
  }
  define hidden void @test2(ptr %agg.result) { ret void }
  define hidden void @test3(ptr %agg.result) { ret void }
  define hidden void @test4(ptr %agg.result) { ret void }

  declare void @noreturn(ptr, ptr, ptr) noreturn

...
---
name:            test1
tracksRegLiveness: true
stack:
  - { id: 1, name: '', type: spill-slot, offset: -12, size: 4, alignment: 4,
      stack-id: default, callee-saved-register: '$lr', callee-saved-restored: true,
      debug-info-variable: '', debug-info-expression: '', debug-info-location: '' }
entry_values:    []
callSites:       []
debugValueSubstitutions: []
constants:       []
machineFunctionInfo:
  isLRSpilled:     true
body:             |
  ; CHECK-LABEL: name: test1
  ; CHECK: bb.0:
  ; CHECK-NEXT:   successors: %bb.1(0x80000000)
  ; CHECK-NEXT:   liveins: $lr, $r0, $r1, $r2, $r3, $r4
  ; CHECK-NEXT: {{  $}}
  ; CHECK-NEXT:   early-clobber $sp = t2STR_PRE killed $lr, $sp, -8, 14 /* CC::al */, $noreg
  ; CHECK-NEXT:   tBL 14 /* CC::al */, $noreg, @OUTLINED_FUNCTION_0, implicit-def $lr, implicit $sp, implicit-def $lr, implicit-def $sp, implicit-def $r1, implicit $noreg, implicit $sp
  ; CHECK-NEXT:   $lr, $sp = t2LDR_POST $sp, 8, 14 /* CC::al */, $noreg
  ; CHECK-NEXT:   tCMPi8 killed renamable $r0, 0, 14 /* CC::al */, $noreg, implicit-def $cpsr
  ; CHECK-NEXT:   t2STRDi8 killed $r2, killed $r3, $sp, 16, 14 /* CC::al */, $noreg
  ; CHECK-NEXT:   INLINEASM &"", 1 /* sideeffect attdialect */, 327689 /* reguse:GPR */, killed renamable $lr
  ; CHECK-NEXT: {{  $}}
  ; CHECK-NEXT: bb.1:
  ; CHECK-NEXT:   successors: %bb.2(0x80000000)
  ; CHECK-NEXT:   liveins: $r4
  ; CHECK-NEXT: {{  $}}
  ; CHECK-NEXT: {{  $}}
  ; CHECK-NEXT: bb.2:
  ; CHECK-NEXT:   tBL 14 /* CC::al */, $noreg, @noreturn, csr_aapcs, implicit-def dead $lr, implicit $sp, implicit undef $r0, implicit undef $r1, implicit undef $r2, implicit-def $sp
  bb.0:
    liveins: $lr, $r0, $r1, $r2, $r3, $r4

    $r1 = t2MOVi16 target-flags(arm-lo16) @__stack_chk_guard, 14 /* CC::al */, $noreg
    $r1 = t2MOVTi16 killed $r1, target-flags(arm-hi16) @__stack_chk_guard, 14 /* CC::al */, $noreg

    tCMPi8 killed renamable $r0, 0, 14 /* CC::al */, $noreg, implicit-def $cpsr
    t2STRDi8 killed $r2, killed $r3, $sp, 16, 14 /* CC::al */, $noreg
    INLINEASM &"", 1 /* sideeffect attdialect */, 327689 /* reguse:GPR */, killed renamable $lr

  bb.1:
    liveins: $r4

  bb.2:
    tBL 14 /* CC::al */, $noreg, @noreturn, csr_aapcs, implicit-def dead $lr, implicit $sp, implicit undef $r0, implicit undef $r1, implicit undef $r2, implicit-def $sp

...
---
name:            test2
tracksRegLiveness: true
body:             |
  bb.0:
    ; CHECK-LABEL: name: test2
    ; CHECK: tBL 14 /* CC::al */, $noreg, @OUTLINED_FUNCTION_0, implicit-def $lr, implicit $sp, implicit-def $r1, implicit-def $lr, implicit $noreg, implicit $sp
    $r1 = t2MOVi16 target-flags(arm-lo16) @__stack_chk_guard, 14 /* CC::al */, $noreg
    $r1 = t2MOVTi16 killed $r1, target-flags(arm-hi16) @__stack_chk_guard, 14 /* CC::al */, $noreg
...
---
name:            test3
tracksRegLiveness: true
body:             |
  bb.0:
    ; CHECK-LABEL: name: test3
    ; CHECK: tBL 14 /* CC::al */, $noreg, @OUTLINED_FUNCTION_0, implicit-def $lr, implicit $sp, implicit-def $r1, implicit-def $lr, implicit $noreg, implicit $sp
    $r1 = t2MOVi16 target-flags(arm-lo16) @__stack_chk_guard, 14 /* CC::al */, $noreg
    $r1 = t2MOVTi16 killed $r1, target-flags(arm-hi16) @__stack_chk_guard, 14 /* CC::al */, $noreg
...
---
name:            test4
tracksRegLiveness: true
body:             |
  bb.0:
    ; CHECK-LABEL: name: test4
    ; CHECK: tBL 14 /* CC::al */, $noreg, @OUTLINED_FUNCTION_0, implicit-def $lr, implicit $sp, implicit-def $r1, implicit-def $lr, implicit $noreg, implicit $sp
    $r1 = t2MOVi16 target-flags(arm-lo16) @__stack_chk_guard, 14 /* CC::al */, $noreg
    $r1 = t2MOVTi16 killed $r1, target-flags(arm-hi16) @__stack_chk_guard, 14 /* CC::al */, $noreg