# RUN: llc -march=amdgcn -mcpu=tahiti -run-pass mir-canonicalizer -verify-machineinstrs -o - %s | FileCheck %s
# RUN: llc -march=amdgcn -mcpu=tahiti -run-pass mir-canonicalizer -mir-vreg-namer-use-stable-hash -verify-machineinstrs -o - %s | FileCheck %s
--- |
  target datalayout = "e-p:32:32-p1:64:64-p2:64:64-p3:32:32-p4:64:64-p5:32:32-i64:64-v16:16-v24:32-v32:32-v48:64-v96:128-v192:256-v256:256-v512:512-v1024:1024-v2048:2048-n32:64"

  define amdgpu_kernel void @f(i32 addrspace(1)* nocapture %arg) {
    unreachable
  }
...
---
name:      f
alignment: 1
registers:
  - { id: 0, class: sgpr_64 }
  - { id: 1, class: sreg_64_xexec }
  - { id: 2, class: sreg_64_xexec }
  - { id: 3, class: sreg_64_xexec }
  - { id: 4, class: sreg_64_xexec }
  - { id: 5, class: sreg_64_xexec }
  - { id: 6, class: sreg_64_xexec }
liveins:
  - { reg: '$sgpr4_sgpr5', virtual-reg: '%4' }
body:             |
  bb.0:
    liveins: $sgpr4_sgpr5

    ; CHECK: COPY
    ; CHECK-NEXT: %bb0_{{[0-9]+}}__1:sreg_64_xexec = S_LOAD_DWORDX2_IMM
    ; CHECK-NEXT: %bb0_{{[0-9]+}}__1:sreg_64_xexec = S_LOAD_DWORDX2_IMM
    ; CHECK-NEXT: %bb0_{{[0-9]+}}__1:sreg_64_xexec = S_LOAD_DWORDX2_IMM
    ; CHECK-NEXT: %bb0_{{[0-9]+}}__1:sreg_64_xexec = S_LOAD_DWORDX2_IMM
    ; CHECK-NEXT: %bb0_{{[0-9]+}}__1:sreg_64_xexec = S_LOAD_DWORDX2_IMM
    ; CHECK-NEXT: %bb0_{{[0-9]+}}__1:sreg_64_xexec = S_LOAD_DWORDX2_IMM

    %0 = COPY $sgpr4_sgpr5
    %1 = S_LOAD_DWORDX2_IMM %0, 0, 0, 0 :: (non-temporal dereferenceable invariant load 8 from `i64 addrspace(4)* undef`)
    %2 = S_LOAD_DWORDX2_IMM %0, 0, 0, 0 :: (             dereferenceable invariant load 8 from `i64 addrspace(4)* undef`)
    %3 = S_LOAD_DWORDX2_IMM %0, 0, 0, 0 :: (                             invariant load 8 from `i64 addrspace(4)* undef`)
    %4 = S_LOAD_DWORDX2_IMM %0, 0, 0, 0 :: (                                       load 8 from `i64 addrspace(4)* undef`)
    %5 = S_LOAD_DWORDX2_IMM %0, 0, 0, 0 :: (                                       load 8 from `i64 addrspace(2)* undef`)
    %6 = S_LOAD_DWORDX2_IMM %0, 0, 0, 0 :: (                                       load 8 from `i64 addrspace(1)* undef`)

...