test/CodeGen/ARM/machine-outliner-unsafe-registers.mir

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

--- |
  define void @outline_cpsr_r12_ok() #0 { ret void }
  define void @dont_outline_cpsr_r12_1() #0 { ret void }
  define void @dont_outline_cpsr_r12_2() #0 { ret void }
  declare void @z(i32, i32, i32, i32)

  attributes #0 = { minsize optsize }
...
---

name:           outline_cpsr_r12_ok
tracksRegLiveness: true
body:             |
  ; CHECK-LABEL: name: outline_cpsr_r12_ok
  ; CHECK: bb.0:
  ; CHECK:   BL @OUTLINED_FUNCTION_0
  ; CHECK:   $r3 = MOVr $r12, 14 /* CC::al */, $noreg, $noreg
  ; CHECK: bb.1:
  ; CHECK:   BL @OUTLINED_FUNCTION_0
  ; CHECK:   $r4 = MOVr $r12, 14 /* CC::al */, $noreg, $noreg
  bb.0:
    $r12 = MOVi 1, 14, $noreg, $noreg
    CMPri $r12, 42, 14, $noreg, implicit-def $cpsr
    $r0 = MOVi 1, 14, $noreg, $noreg
    $r1 = MOVi 1, 14, $noreg, $noreg
    $r2 = MOVi 1, 14, $noreg, $noreg
    $r3 = MOVi 1, 14, $noreg, $noreg
    BL @z
    $r3 = MOVr $r12, 14, $noreg, $noreg
  bb.1:
    $r12 = MOVi 1, 14, $noreg, $noreg
    CMPri $r12, 42, 14, $noreg, implicit-def $cpsr
    $r0 = MOVi 1, 14, $noreg, $noreg
    $r1 = MOVi 1, 14, $noreg, $noreg
    $r2 = MOVi 1, 14, $noreg, $noreg
    $r3 = MOVi 1, 14, $noreg, $noreg
    BL @z
    $r4 = MOVr $r12, 14, $noreg, $noreg
  bb.2:
    BX_RET 14, $noreg
...
---

name:           dont_outline_cpsr_r12_1
tracksRegLiveness: true
body:             |
  ; CHECK-LABEL: name: dont_outline_cpsr_r12_1
  ; CHECK:  bb.0:
  ; CHECK:    BL @OUTLINED_FUNCTION_1
  ; CHECK:  bb.1:
  ; CHECK:    BL @OUTLINED_FUNCTION_1
  ; CHECK-LABEL: bb.2:
  ; CHECK-NOT: BL @OUTLINED_FUNCTION_1
  bb.0:
    $r0 = MOVi 2, 14, $noreg, $noreg
    $r1 = MOVi 2, 14, $noreg, $noreg
    $r2 = MOVi 2, 14, $noreg, $noreg
    $r3 = MOVi 2, 14, $noreg, $noreg
    BL @z
  bb.1:
    $r0 = MOVi 2, 14, $noreg, $noreg
    $r1 = MOVi 2, 14, $noreg, $noreg
    $r2 = MOVi 2, 14, $noreg, $noreg
    $r3 = MOVi 2, 14, $noreg, $noreg
    BL @z
  bb.2:
    $r12 = MOVi 1, 14, $noreg, $noreg
    CMPri $r12, 42, 14, $noreg, implicit-def $cpsr
    $r0 = MOVi 2, 14, $noreg, $noreg
    $r1 = MOVi 2, 14, $noreg, $noreg
    $r2 = MOVi 2, 14, $noreg, $noreg
    $r3 = MOVi 2, 14, $noreg, $noreg
    BL @z
  bb.3:
    liveins: $cpsr, $r12
    BX_RET 14, $noreg
...
---

name:           dont_outline_cpsr_r12_2
tracksRegLiveness: true
body:             |
  ; CHECK-LABEL: name: dont_outline_cpsr_r12_2
  ; CHECK-NOT: BL @OUTLINED_FUNCTION
  bb.0:
    liveins: $r12
    CMPri $r12, 42, 14, $noreg, implicit-def $cpsr
    $r0 = MOVi 3, 14, $noreg, $noreg
    $r1 = MOVi 3, 14, $noreg, $noreg
    $r2 = MOVi 3, 14, $noreg, $noreg
    $r3 = MOVi 3, 14, $noreg, $noreg
    BL @z
  bb.1:
    liveins: $r12
    CMPri $r12, 42, 14, $noreg, implicit-def $cpsr
    $r0 = MOVi 3, 14, $noreg, $noreg
    $r1 = MOVi 3, 14, $noreg, $noreg
    $r2 = MOVi 3, 14, $noreg, $noreg
    $r3 = MOVi 3, 14, $noreg, $noreg
    BL @z
  bb.2:
    liveins: $r12
    CMPri $r12, 42, 14, $noreg, implicit-def $cpsr
    $r0 = MOVi 3, 14, $noreg, $noreg
    $r1 = MOVi 3, 14, $noreg, $noreg
    $r2 = MOVi 3, 14, $noreg, $noreg
    $r3 = MOVi 3, 14, $noreg, $noreg
    BL @z
  bb.3:
    BX_RET 14, $noreg