# NOTE: Assertions have been autogenerated by utils/update_mir_test_checks.py
# RUN: llc -mtriple=aarch64-linux-gnu -O0 -run-pass=legalizer -global-isel %s -o - | FileCheck %s

---
name:            test_extracts_1
body: |
  bb.0:
    liveins: %w0

    ; Low part of extraction takes entirity of the low register entirely, so
    ; value stored is forwarded directly from first load.

    ; CHECK-LABEL: name: test_extracts_1
    ; CHECK: [[COPY:%[0-9]+]]:_(s64) = COPY %x0
    ; CHECK: [[COPY1:%[0-9]+]]:_(s32) = COPY %w1
    ; CHECK: [[COPY2:%[0-9]+]]:_(p0) = COPY %x2
    ; CHECK: [[LOAD:%[0-9]+]]:_(s64) = G_LOAD [[COPY2]](p0) :: (load 16)
    ; CHECK: [[C:%[0-9]+]]:_(s64) = G_CONSTANT i64 8
    ; CHECK: [[GEP:%[0-9]+]]:_(p0) = G_GEP [[COPY2]], [[C]](s64)
    ; CHECK: [[LOAD1:%[0-9]+]]:_(s64) = G_LOAD [[GEP]](p0) :: (load 16)
    ; CHECK: [[COPY3:%[0-9]+]]:_(s64) = COPY [[LOAD]](s64)
    ; CHECK: G_STORE [[COPY3]](s64), [[COPY2]](p0) :: (store 8)
    ; CHECK: RET_ReallyLR
    %0:_(s64) = COPY %x0
    %1:_(s32) = COPY %w1
    %2:_(p0) = COPY %x2
    %3:_(s128) = G_LOAD %2(p0) :: (load 16)
    %4:_(s64) = G_EXTRACT %3(s128), 0
    G_STORE %4(s64), %2(p0) :: (store 8)
    RET_ReallyLR
...

---
name:            test_extracts_2
body: |
  bb.0:
    liveins: %w0

      ; Low extraction wipes takes whole low register. High extraction is real.
    ; CHECK-LABEL: name: test_extracts_2
    ; CHECK: [[COPY:%[0-9]+]]:_(s64) = COPY %x0
    ; CHECK: [[COPY1:%[0-9]+]]:_(s32) = COPY %w1
    ; CHECK: [[COPY2:%[0-9]+]]:_(p0) = COPY %x2
    ; CHECK: [[LOAD:%[0-9]+]]:_(s64) = G_LOAD [[COPY2]](p0) :: (load 16)
    ; CHECK: [[C:%[0-9]+]]:_(s64) = G_CONSTANT i64 8
    ; CHECK: [[GEP:%[0-9]+]]:_(p0) = G_GEP [[COPY2]], [[C]](s64)
    ; CHECK: [[LOAD1:%[0-9]+]]:_(s64) = G_LOAD [[GEP]](p0) :: (load 16)
    ; CHECK: [[COPY3:%[0-9]+]]:_(s64) = COPY [[LOAD]](s64)
    ; CHECK: [[EXTRACT:%[0-9]+]]:_(s32) = G_EXTRACT [[LOAD1]](s64), 0
    ; CHECK: [[COPY4:%[0-9]+]]:_(s32) = COPY [[EXTRACT]](s32)
    ; CHECK: G_STORE [[COPY3]](s64), [[COPY2]](p0) :: (store 8)
    ; CHECK: G_STORE [[COPY4]](s32), [[COPY2]](p0) :: (store 4)
    ; CHECK: RET_ReallyLR
    %0:_(s64) = COPY %x0
    %1:_(s32) = COPY %w1
    %2:_(p0) = COPY %x2
    %3:_(s128) = G_LOAD %2(p0) :: (load 16)
    %4:_(s64) = G_EXTRACT %3(s128), 0
    %5:_(s32) = G_EXTRACT %3(s128), 64
    G_STORE %4(s64), %2(p0) :: (store 8)
    G_STORE %5(s32), %2(p0) :: (store 4)
    RET_ReallyLR
...

---
name:            test_extracts_3
body: |
  bb.0:
    liveins: %x0, %x1, %x2


    ; CHECK-LABEL: name: test_extracts_3
    ; CHECK: [[COPY:%[0-9]+]]:_(s64) = COPY %x0
    ; CHECK: [[COPY1:%[0-9]+]]:_(s64) = COPY %x1
    ; CHECK: [[EXTRACT:%[0-9]+]]:_(s32) = G_EXTRACT [[COPY]](s64), 32
    ; CHECK: [[EXTRACT1:%[0-9]+]]:_(s32) = G_EXTRACT [[COPY1]](s64), 0
    ; CHECK: [[MV:%[0-9]+]]:_(s64) = G_MERGE_VALUES [[EXTRACT]](s32), [[EXTRACT1]](s32)
    ; CHECK: RET_ReallyLR
    %0:_(s64) = COPY %x0
    %1:_(s64) = COPY %x1
    %2:_(s128) = G_MERGE_VALUES %0, %1
    %3:_(s64) = G_EXTRACT %2, 32
    RET_ReallyLR
...

---
name:            test_extracts_4
body: |
  bb.0:
    liveins: %x0, %x1, %x2


    ; CHECK-LABEL: name: test_extracts_4
    ; CHECK: [[COPY:%[0-9]+]]:_(s64) = COPY %x0
    ; CHECK: [[COPY1:%[0-9]+]]:_(s64) = COPY %x1
    ; CHECK: [[EXTRACT:%[0-9]+]]:_(s32) = G_EXTRACT [[COPY]](s64), 32
    ; CHECK: [[COPY2:%[0-9]+]]:_(s32) = COPY [[EXTRACT]](s32)
    ; CHECK: RET_ReallyLR
    %0:_(s64) = COPY %x0
    %1:_(s64) = COPY %x1
    %2:_(s128) = G_MERGE_VALUES %0, %1
    %3:_(s32) = G_EXTRACT %2, 32
    RET_ReallyLR
...