# NOTE: Assertions have been autogenerated by utils/update_mir_test_checks.py
# RUN: llc -o - -march=aarch64 -run-pass=aarch64-prelegalizer-combiner %s | FileCheck %s

# Make sure we don't lose the register bank constraints when
# combining COPY instructions.
---
name:            test_none_none
body:             |
  bb.0.entry:
    ; CHECK-LABEL: name: test_none_none
    ; CHECK: [[COPY:%[0-9]+]]:_(s64) = COPY $x0
    ; CHECK: $x0 = COPY [[COPY]](s64)
    %0:_(s64) = COPY $x0
    %1:_(s64) = COPY %0(s64)
    $x0 = COPY %1(s64)
...
---
name:            test_gpr_none
body:             |
  bb.0.entry:
    ; CHECK-LABEL: name: test_gpr_none
    ; CHECK: [[COPY:%[0-9]+]]:gpr(s64) = COPY $x0
    ; CHECK: $x0 = COPY [[COPY]](s64)
    %0:gpr(s64) = COPY $x0
    %1:_(s64) = COPY %0(s64)
    $x0 = COPY %1(s64)
...
---
name:            test_none_gpr
body:             |
  bb.0.entry:
    ; CHECK-LABEL: name: test_none_gpr
    ; CHECK: [[COPY:%[0-9]+]]:_(s64) = COPY $x0
    ; CHECK: [[COPY1:%[0-9]+]]:gpr(s64) = COPY [[COPY]](s64)
    ; CHECK: $x0 = COPY [[COPY1]](s64)
    %0:_(s64) = COPY $x0
    %1:gpr(s64) = COPY %0(s64)
    $x0 = COPY %1(s64)
...
---
name:            test_fpr_gpr
body:             |
  bb.0.entry:
    ; CHECK-LABEL: name: test_fpr_gpr
    ; CHECK: [[COPY:%[0-9]+]]:fpr(s64) = COPY $x0
    ; CHECK: [[COPY1:%[0-9]+]]:gpr(s64) = COPY [[COPY]](s64)
    ; CHECK: $x0 = COPY [[COPY1]](s64)
    %0:fpr(s64) = COPY $x0
    %1:gpr(s64) = COPY %0(s64)
    $x0 = COPY %1(s64)
...
---
name:            test_gpr64_gpr64_dst_no_llt
body:             |
  bb.0.entry:
    ; CHECK-LABEL: name: test_gpr64_gpr64_dst_no_llt
    ; CHECK: [[COPY:%[0-9]+]]:gpr64(s64) = COPY $x0
    ; CHECK: [[COPY1:%[0-9]+]]:gpr64 = COPY [[COPY]](s64)
    ; CHECK: $x0 = COPY [[COPY1]]
    %0:gpr64(s64) = COPY $x0
    %1:gpr64 = COPY %0(s64)
    $x0 = COPY %1
...
---
name:            test_gpr64_gpr64_src_no_llt
body:             |
  bb.0.entry:
    ; CHECK-LABEL: name: test_gpr64_gpr64_src_no_llt
    ; CHECK: [[COPY:%[0-9]+]]:gpr64 = COPY $x0
    ; CHECK: [[COPY1:%[0-9]+]]:gpr64(s64) = COPY [[COPY]]
    ; CHECK: $x0 = COPY [[COPY1]](s64)
    %0:gpr64 = COPY $x0
    %1:gpr64(s64) = COPY %0
    $x0 = COPY %1(s64)
...
---
name:            test_gpr64_gpr64_both_no_llt
body:             |
  bb.0.entry:
    ; CHECK-LABEL: name: test_gpr64_gpr64_both_no_llt
    ; CHECK: [[COPY:%[0-9]+]]:gpr64 = COPY $x0
    ; CHECK: $x0 = COPY [[COPY]]
    %0:gpr64 = COPY $x0
    %1:gpr64 = COPY %0
    $x0 = COPY %1
...