llvm/test/CodeGen/AArch64/expand-sme-pseudos.mir

# NOTE: Assertions have been autogenerated by utils/update_mir_test_checks.py UTC_ARGS: --version 5
# RUN: llc -run-pass=aarch64-expand-pseudo -mtriple=aarch64-unknown-linux-gnu -o - %s | FileCheck %s

---

# X0 = TPIDR2 block pointer
# X8 = TPIDR2_EL0
name:            restore_za_save
alignment:       4
tracksRegLiveness: true
body:             |
  bb.0:
    ; CHECK-LABEL: name: restore_za_save
    ; CHECK: successors: %bb.1(0x40000000), %bb.2(0x40000000)
    ; CHECK-NEXT: {{  $}}
    ; CHECK-NEXT: $x0 = IMPLICIT_DEF
    ; CHECK-NEXT: $x8 = MRS 56965, implicit-def $nzcv
    ; CHECK-NEXT: CBZX $x8, %bb.1
    ; CHECK-NEXT: B %bb.2
    ; CHECK-NEXT: {{  $}}
    ; CHECK-NEXT: .1:
    ; CHECK-NEXT: successors: %bb.2(0x80000000)
    ; CHECK-NEXT: liveins: $x8, $x0
    ; CHECK-NEXT: {{  $}}
    ; CHECK-NEXT: BL &__arm_tpidr2_restore, csr_aarch64_sme_abi_support_routines_preservemost_from_x0, implicit-def $lr, implicit $sp, implicit $x0
    ; CHECK-NEXT: B %bb.2
    ; CHECK-NEXT: {{  $}}
    ; CHECK-NEXT: .2:
    ; CHECK-NEXT: RET undef $lr
    $x0 = IMPLICIT_DEF
    $x8 = MRS 56965, implicit-def $nzcv

    RestoreZAPseudo $x8, $x0, &__arm_tpidr2_restore, csr_aarch64_sme_abi_support_routines_preservemost_from_x0

    RET_ReallyLR

...
---

# X8 = TPIDR2_EL0
name:            commit_za_save
alignment:       4
tracksRegLiveness: true
body:             |
  bb.0:
    ; CHECK-LABEL: name: commit_za_save
    ; CHECK: successors: %bb.1(0x40000000), %bb.2(0x40000000)
    ; CHECK-NEXT: {{  $}}
    ; CHECK-NEXT: $x8 = MRS 56965, implicit-def $nzcv
    ; CHECK-NEXT: CBNZX $x8, %bb.1
    ; CHECK-NEXT: B %bb.2
    ; CHECK-NEXT: {{  $}}
    ; CHECK-NEXT: .1:
    ; CHECK-NEXT: successors: %bb.2(0x80000000)
    ; CHECK-NEXT: liveins: $x8
    ; CHECK-NEXT: {{  $}}
    ; CHECK-NEXT: BL &__arm_tpidr2_save, csr_aarch64_sme_abi_support_routines_preservemost_from_x0, implicit-def $lr, implicit $sp
    ; CHECK-NEXT: MSR 56965, $xzr
    ; CHECK-NEXT: B %bb.2
    ; CHECK-NEXT: {{  $}}
    ; CHECK-NEXT: .2:
    ; CHECK-NEXT: RET undef $lr
    $x8 = MRS 56965, implicit-def $nzcv

    CommitZASavePseudo $x8, 0, 0, &__arm_tpidr2_save, csr_aarch64_sme_abi_support_routines_preservemost_from_x0

    RET_ReallyLR

...
---
# X8 = TPIDR2_EL0
name:            commit_za_save_zero_za
alignment:       4
tracksRegLiveness: true
body:             |
  bb.0:
    ; CHECK-LABEL: name: commit_za_save_zero_za
    ; CHECK: successors: %bb.1(0x40000000), %bb.2(0x40000000)
    ; CHECK-NEXT: {{  $}}
    ; CHECK-NEXT: $x8 = MRS 56965, implicit-def $nzcv
    ; CHECK-NEXT: CBNZX $x8, %bb.1
    ; CHECK-NEXT: B %bb.2
    ; CHECK-NEXT: {{  $}}
    ; CHECK-NEXT: .1:
    ; CHECK-NEXT: successors: %bb.2(0x80000000)
    ; CHECK-NEXT: liveins: $x8
    ; CHECK-NEXT: {{  $}}
    ; CHECK-NEXT: BL &__arm_tpidr2_save, csr_aarch64_sme_abi_support_routines_preservemost_from_x0, implicit-def $lr, implicit $sp, implicit-def $zab0
    ; CHECK-NEXT: MSR 56965, $xzr
    ; CHECK-NEXT: ZERO_M 255, implicit-def $zab0
    ; CHECK-NEXT: B %bb.2
    ; CHECK-NEXT: {{  $}}
    ; CHECK-NEXT: .2:
    ; CHECK-NEXT: RET undef $lr
    $x8 = MRS 56965, implicit-def $nzcv

    CommitZASavePseudo $x8, 1, 0, &__arm_tpidr2_save, csr_aarch64_sme_abi_support_routines_preservemost_from_x0, implicit-def $zab0

    RET_ReallyLR

...
---
# X8 = TPIDR2_EL0
name:            commit_za_save_zero_zt0
alignment:       4
tracksRegLiveness: true
body:             |
  bb.0:
    ; CHECK-LABEL: name: commit_za_save_zero_zt0
    ; CHECK: successors: %bb.1(0x40000000), %bb.2(0x40000000)
    ; CHECK-NEXT: {{  $}}
    ; CHECK-NEXT: $x8 = MRS 56965, implicit-def $nzcv
    ; CHECK-NEXT: CBNZX $x8, %bb.1
    ; CHECK-NEXT: B %bb.2
    ; CHECK-NEXT: {{  $}}
    ; CHECK-NEXT: .1:
    ; CHECK-NEXT: successors: %bb.2(0x80000000)
    ; CHECK-NEXT: liveins: $x8
    ; CHECK-NEXT: {{  $}}
    ; CHECK-NEXT: BL &__arm_tpidr2_save, csr_aarch64_sme_abi_support_routines_preservemost_from_x0, implicit-def $lr, implicit $sp, implicit-def $zt0
    ; CHECK-NEXT: MSR 56965, $xzr
    ; CHECK-NEXT: $zt0 = ZERO_T
    ; CHECK-NEXT: B %bb.2
    ; CHECK-NEXT: {{  $}}
    ; CHECK-NEXT: .2:
    ; CHECK-NEXT: RET undef $lr
    $x8 = MRS 56965, implicit-def $nzcv

    CommitZASavePseudo $x8, 0, 1, &__arm_tpidr2_save, csr_aarch64_sme_abi_support_routines_preservemost_from_x0, implicit-def $zt0

    RET_ReallyLR

...
---
# X8 = TPIDR2_EL0
name:            commit_za_save_zero_everything
alignment:       4
tracksRegLiveness: true
body:             |
  bb.0:
    ; CHECK-LABEL: name: commit_za_save_zero_everything
    ; CHECK: successors: %bb.1(0x40000000), %bb.2(0x40000000)
    ; CHECK-NEXT: {{  $}}
    ; CHECK-NEXT: $x8 = MRS 56965, implicit-def $nzcv
    ; CHECK-NEXT: CBNZX $x8, %bb.1
    ; CHECK-NEXT: B %bb.2
    ; CHECK-NEXT: {{  $}}
    ; CHECK-NEXT: .1:
    ; CHECK-NEXT: successors: %bb.2(0x80000000)
    ; CHECK-NEXT: liveins: $x8
    ; CHECK-NEXT: {{  $}}
    ; CHECK-NEXT: BL &__arm_tpidr2_save, csr_aarch64_sme_abi_support_routines_preservemost_from_x0, implicit-def $lr, implicit $sp, implicit-def $zab0, implicit-def $zt0
    ; CHECK-NEXT: MSR 56965, $xzr
    ; CHECK-NEXT: ZERO_M 255, implicit-def $zab0
    ; CHECK-NEXT: $zt0 = ZERO_T
    ; CHECK-NEXT: B %bb.2
    ; CHECK-NEXT: {{  $}}
    ; CHECK-NEXT: .2:
    ; CHECK-NEXT: RET undef $lr
    $x8 = MRS 56965, implicit-def $nzcv

    CommitZASavePseudo $x8, 1, 1, &__arm_tpidr2_save, csr_aarch64_sme_abi_support_routines_preservemost_from_x0, implicit-def $zab0, implicit-def $zt0

    RET_ReallyLR

...