# RUN: llc -o -  -march=amdgcn  -run-pass mir-canonicalizer -verify-machineinstrs %s | FileCheck %s
# RUN: llc -o -  -march=amdgcn  -run-pass mir-canonicalizer -mir-vreg-namer-use-stable-hash -verify-machineinstrs %s | FileCheck %s

# This tests for the itereator invalidation fix (reviews.llvm.org/D62713)
...
---
name: foo
body:             |
  bb.0:
    ; CHECK-LABEL: name: foo
    ; CHECK: %bb0_{{[0-9]+}}__1:sreg_32_xm0 = S_MOV_B32 61440
    ; CHECK: %bb0_{{[0-9]+}}__1:sreg_32_xm0 = S_MOV_B32 0
    ; CHECK: %bb0_{{[0-9]+}}__1:vgpr_32 = COPY $vgpr0
    ; CHECK: %bb0_{{[0-9]+}}__1:sgpr_64 = COPY $sgpr0_sgpr1
    ; CHECK: %bb0_{{[0-9]+}}__1:sreg_64_xexec = S_LOAD_DWORDX2_IMM %bb0_{{[0-9]+}}__1, 9, 0
    ; CHECK: %bb0_{{[0-9]+}}__1:sreg_64_xexec = S_LOAD_DWORDX2_IMM %bb0_{{[0-9]+}}__1, 11, 0
    ; CHECK: %bb0_{{[0-9]+}}__1:vgpr_32 = COPY %bb0_{{[0-9]+}}__1
    ; CHECK: %bb0_{{[0-9]+}}__1:vgpr_32 = COPY %bb0_{{[0-9]+}}__1
    ; CHECK: %bb0_{{[0-9]+}}__2:vgpr_32 = COPY %bb0_{{[0-9]+}}__1
    ; CHECK: %bb0_{{[0-9]+}}__1:vreg_64 = REG_SEQUENCE %bb0_{{[0-9]+}}__1, %subreg.sub0, %bb0_{{[0-9]+}}__1, %subreg.sub1
    ; CHECK: %bb0_{{[0-9]+}}__1:sgpr_128 = REG_SEQUENCE %bb0_{{[0-9]+}}__1, %subreg.sub0, %bb0_{{[0-9]+}}__1, %subreg.sub1, %bb0_{{[0-9]+}}__1, %subreg.sub2, %bb0_{{[0-9]+}}__2, %subreg.sub3
    ; CHECK: BUFFER_STORE_DWORD_ADDR64 %bb0_{{[0-9]+}}__1, %bb0_{{[0-9]+}}__1, %bb0_{{[0-9]+}}__1, 0, 0, 0, 0, 0, implicit $exec
    ; CHECK: S_ENDPGM 0
    %10:sreg_32_xm0 = S_MOV_B32 61440
    %11:sreg_32_xm0 = S_MOV_B32 0
    %3:vgpr_32 = COPY $vgpr0

    %vreg123_0:vgpr_32 = COPY %3
    %0:sgpr_64 = COPY $sgpr0_sgpr1
    %vreg123_1:vgpr_32 = COPY %11
    %27:vreg_64 = REG_SEQUENCE %vreg123_0, %subreg.sub0, %vreg123_1, %subreg.sub1
    %4:sreg_64_xexec = S_LOAD_DWORDX2_IMM %0, 9, 0
    %vreg123_2:vgpr_32 = COPY %4
    %5:sreg_64_xexec = S_LOAD_DWORDX2_IMM %0, 11, 0
    %vreg123_3:vgpr_32 = COPY %5
    %16:sgpr_128 = REG_SEQUENCE killed %vreg123_0, %subreg.sub0, %vreg123_1, %subreg.sub1, %vreg123_2, %subreg.sub2, %vreg123_3, %subreg.sub3

    BUFFER_STORE_DWORD_ADDR64 %vreg123_1, %27, killed %16, 0, 0, 0, 0, 0, implicit $exec
    S_ENDPGM 0

...