test/CodeGen/AArch64/GlobalISel/regbank-extract-vector-elt.mir

# NOTE: Assertions have been autogenerated by utils/update_mir_test_checks.py
# RUN: llc -mtriple=aarch64-unknown-unknown -verify-machineinstrs -O0 -run-pass=regbankselect %s -o - | FileCheck %s

name:            v2s32_fpr
alignment:       2
legalized:       true
tracksRegLiveness: true
registers:
  - { id: 0, class: _ }
  - { id: 1, class: _ }
  - { id: 2, class: _ }
body:             |
  bb.1.entry:
    liveins: $d0

    %0:_(<2 x s32>) = COPY $d0
    %2:_(s64) = G_CONSTANT i64 1
    %1:_(s32) = G_EXTRACT_VECTOR_ELT %0(<2 x s32>), %2(s64)
    $s0 = COPY %1(s32)
    RET_ReallyLR implicit $s0

...
---
name:            v4s32_gpr
alignment:       2
legalized:       true
tracksRegLiveness: true
registers:
  - { id: 0, class: _ }
  - { id: 1, class: _ }
  - { id: 2, class: _ }
body:             |
  bb.1.entry:
    liveins: $q0

    ; CHECK-LABEL: name: v4s32_gpr
    ; CHECK: liveins: $q0
    ; CHECK: [[COPY:%[0-9]+]]:fpr(<4 x s32>) = COPY $q0
    ; CHECK: [[C:%[0-9]+]]:gpr(s64) = G_CONSTANT i64 0
    ; CHECK: [[EVEC:%[0-9]+]]:fpr(s32) = G_EXTRACT_VECTOR_ELT [[COPY]](<4 x s32>), [[C]](s64)
    ; CHECK: $s0 = COPY [[EVEC]](s32)
    ; CHECK: RET_ReallyLR implicit $s0
    %0:_(<4 x s32>) = COPY $q0
    %2:_(s64) = G_CONSTANT i64 0
    %1:_(s32) = G_EXTRACT_VECTOR_ELT %0(<4 x s32>), %2(s64)
    $s0 = COPY %1(s32)
    RET_ReallyLR implicit $s0

...
---
name:            v2s64_fpr
alignment:       2
legalized:       true
tracksRegLiveness: true
registers:
  - { id: 0, class: _ }
  - { id: 1, class: _ }
  - { id: 2, class: _ }
body:             |
  bb.1.entry:
    liveins: $q0

    ; CHECK-LABEL: name: v2s64_fpr
    ; CHECK: liveins: $q0
    ; CHECK: [[COPY:%[0-9]+]]:fpr(<2 x s64>) = COPY $q0
    ; CHECK: [[C:%[0-9]+]]:gpr(s64) = G_CONSTANT i64 2
    ; CHECK: [[EVEC:%[0-9]+]]:fpr(s64) = G_EXTRACT_VECTOR_ELT [[COPY]](<2 x s64>), [[C]](s64)
    ; CHECK: $d0 = COPY [[EVEC]](s64)
    ; CHECK: RET_ReallyLR implicit $d0
    %0:_(<2 x s64>) = COPY $q0
    %2:_(s64) = G_CONSTANT i64 2
    %1:_(s64) = G_EXTRACT_VECTOR_ELT %0(<2 x s64>), %2(s64)
    $d0 = COPY %1(s64)
    RET_ReallyLR implicit $d0

...
---
name:            v4s16_fpr
alignment:       2
legalized:       true
tracksRegLiveness: true
registers:
  - { id: 0, class: _ }
  - { id: 1, class: _ }
  - { id: 2, class: _ }
body:             |
  bb.1.entry:
    liveins: $d0

    ; CHECK-LABEL: name: v4s16_fpr
    ; CHECK: liveins: $d0
    ; CHECK: [[COPY:%[0-9]+]]:fpr(<4 x s16>) = COPY $d0
    ; CHECK: [[C:%[0-9]+]]:gpr(s64) = G_CONSTANT i64 1
    ; CHECK: [[EVEC:%[0-9]+]]:fpr(s16) = G_EXTRACT_VECTOR_ELT [[COPY]](<4 x s16>), [[C]](s64)
    ; CHECK: $h0 = COPY [[EVEC]](s16)
    ; CHECK: RET_ReallyLR implicit $h0
    %0:_(<4 x s16>) = COPY $d0
    %2:_(s64) = G_CONSTANT i64 1
    %1:_(s16) = G_EXTRACT_VECTOR_ELT %0(<4 x s16>), %2(s64)
    $h0 = COPY %1(s16)
    RET_ReallyLR implicit $h0

...