# NOTE: Assertions have been autogenerated by utils/update_mir_test_checks.py
# RUN: llc -mtriple=amdgcn--amdhsa -mcpu=gfx942 -verify-machineinstrs -run-pass peephole-opt -o - %s | FileCheck -check-prefixes=GCN,GFX942 %s
# RUN: llc -mtriple=amdgcn--amdhsa -mcpu=gfx1250 -run-pass peephole-opt -o - %s | FileCheck -check-prefixes=GCN,GFX1250 %s

---
name:            fold_simm_virtual
body:             |
  bb.0:

    ; GCN-LABEL: name: fold_simm_virtual
    ; GCN: [[S_MOV_B32_:%[0-9]+]]:sreg_32 = S_MOV_B32 0
    ; GCN-NEXT: SI_RETURN_TO_EPILOG
    %0:sreg_32 = S_MOV_B32 0
    %1:sreg_32 = COPY killed %0
    SI_RETURN_TO_EPILOG

...

---
name:            fold_simm_physical
body:             |
  bb.0:

    ; GCN-LABEL: name: fold_simm_physical
    ; GCN: [[S_MOV_B32_:%[0-9]+]]:sreg_32 = S_MOV_B32 0
    ; GCN-NEXT: $sgpr1 = S_MOV_B32 0
    ; GCN-NEXT: SI_RETURN_TO_EPILOG
    %0:sreg_32 = S_MOV_B32 0
    $sgpr1 = COPY killed %0
    SI_RETURN_TO_EPILOG

...

---
name:            dont_fold_simm_scc
body:             |
  bb.0:

    ; GCN-LABEL: name: dont_fold_simm_scc
    ; GCN: [[S_MOV_B32_:%[0-9]+]]:sreg_32 = S_MOV_B32 0
    ; GCN-NEXT: $scc = COPY killed [[S_MOV_B32_]]
    ; GCN-NEXT: SI_RETURN_TO_EPILOG
    %0:sreg_32 = S_MOV_B32 0
    $scc = COPY killed %0
    SI_RETURN_TO_EPILOG

...

---
name:            fold_simm_16_sub_to_lo
body:             |
  bb.0:

    ; GCN-LABEL: name: fold_simm_16_sub_to_lo
    ; GCN: [[S_MOV_B32_:%[0-9]+]]:sreg_32 = S_MOV_B32 2048
    ; GCN-NEXT: [[COPY:%[0-9]+]]:sgpr_lo16 = COPY killed [[S_MOV_B32_]].lo16
    ; GCN-NEXT: SI_RETURN_TO_EPILOG [[COPY]]
    %0:sreg_32 = S_MOV_B32 2048
    %1:sgpr_lo16 = COPY killed %0.lo16
    SI_RETURN_TO_EPILOG %1

...

---
name:            fold_simm_16_sub_to_phys
body:             |
  bb.0:

    ; GCN-LABEL: name: fold_simm_16_sub_to_phys
    ; GCN: [[S_MOV_B32_:%[0-9]+]]:sreg_32 = S_MOV_B32 2048
    ; GCN-NEXT: $sgpr0 = S_MOV_B32 2048
    ; GCN-NEXT: SI_RETURN_TO_EPILOG $sgpr0_lo16
    %0:sreg_32 = S_MOV_B32 2048
    $sgpr0_lo16 = COPY killed %0.lo16
    SI_RETURN_TO_EPILOG $sgpr0_lo16

...

---
name:            fold_aimm_16_sub_to_phys
body:             |
  bb.0:

    ; GCN-LABEL: name: fold_aimm_16_sub_to_phys
    ; GCN: [[S_MOV_B32_:%[0-9]+]]:sreg_32 = S_MOV_B32 0
    ; GCN-NEXT: $agpr0 = V_ACCVGPR_WRITE_B32_e64 0, implicit $exec
    ; GCN-NEXT: SI_RETURN_TO_EPILOG $agpr0_lo16
    %0:sreg_32 = S_MOV_B32 0
    $agpr0_lo16 = COPY killed %0.lo16
    SI_RETURN_TO_EPILOG $agpr0_lo16

...

---
name:            fold_vimm_16_sub_to_lo
body:             |
  bb.0:

    ; GCN-LABEL: name: fold_vimm_16_sub_to_lo
    ; GCN: [[S_MOV_B32_:%[0-9]+]]:sreg_32 = S_MOV_B32 2048
    ; GCN-NEXT: [[COPY:%[0-9]+]]:vgpr_16 = COPY killed [[S_MOV_B32_]].lo16
    ; GCN-NEXT: SI_RETURN_TO_EPILOG [[COPY]]
    %0:sreg_32 = S_MOV_B32 2048
    %1:vgpr_16 = COPY killed %0.lo16
    SI_RETURN_TO_EPILOG %1

...

---
name:            fold_vimm_16_sub_to_phys
body:             |
  bb.0:

    ; GCN-LABEL: name: fold_vimm_16_sub_to_phys
    ; GCN: [[S_MOV_B32_:%[0-9]+]]:sreg_32 = S_MOV_B32 2048
    ; GCN-NEXT: $vgpr0_lo16 = COPY killed [[S_MOV_B32_]].lo16
    ; GCN-NEXT: SI_RETURN_TO_EPILOG $vgpr0_lo16
    %0:sreg_32 = S_MOV_B32 2048
    $vgpr0_lo16 = COPY killed %0.lo16
    SI_RETURN_TO_EPILOG $vgpr0_lo16

...

---
name:            fold_sreg_64_sub0_to_vgpr_32
body:             |
  bb.0:

    ; GCN-LABEL: name: fold_sreg_64_sub0_to_vgpr_32
    ; GCN: [[S_MOV_B:%[0-9]+]]:sreg_64 = S_MOV_B64_IMM_PSEUDO 1311768467750121200
    ; GCN-NEXT: [[V_MOV_B32_e32_:%[0-9]+]]:vgpr_32 = V_MOV_B32_e32 -1412567312, implicit $exec
    ; GCN-NEXT: SI_RETURN_TO_EPILOG [[V_MOV_B32_e32_]]
    %0:sreg_64 = S_MOV_B64_IMM_PSEUDO 1311768467750121200
    %1:vgpr_32 = COPY killed %0.sub0
    SI_RETURN_TO_EPILOG %1

...

---
name:            fold_sreg_64_sub1_to_vgpr_32
body:             |
  bb.0:

    ; GCN-LABEL: name: fold_sreg_64_sub1_to_vgpr_32
    ; GCN: [[S_MOV_B64_:%[0-9]+]]:sreg_64 = S_MOV_B64 1311768467750121200
    ; GCN-NEXT: [[V_MOV_B32_e32_:%[0-9]+]]:vgpr_32 = V_MOV_B32_e32 305419896, implicit $exec
    ; GCN-NEXT: SI_RETURN_TO_EPILOG [[V_MOV_B32_e32_]]
    %0:sreg_64 = S_MOV_B64 1311768467750121200
    %1:vgpr_32 = COPY killed %0.sub1
    SI_RETURN_TO_EPILOG %1

...

---
name:            fold_vreg_64_sub1_to_vgpr_32
body:             |
  bb.0:

    ; GCN-LABEL: name: fold_vreg_64_sub1_to_vgpr_32
    ; GCN: [[V_MOV_B:%[0-9]+]]:vreg_64_align2 = V_MOV_B64_PSEUDO 1311768467750121200, implicit $exec
    ; GCN-NEXT: [[V_MOV_B32_e32_:%[0-9]+]]:vgpr_32 = V_MOV_B32_e32 305419896, implicit $exec
    ; GCN-NEXT: SI_RETURN_TO_EPILOG [[V_MOV_B32_e32_]]
    %0:vreg_64_align2 = V_MOV_B64_PSEUDO 1311768467750121200, implicit $exec
    %1:vgpr_32 = COPY killed %0.sub1
    SI_RETURN_TO_EPILOG %1

...

---
name:            fold_sreg_64_to_vreg_64
body:             |
  bb.0:

    ; GCN-LABEL: name: fold_sreg_64_to_vreg_64
    ; GCN: [[S_MOV_B:%[0-9]+]]:sreg_64 = S_MOV_B64_IMM_PSEUDO 1311768467750121200
    ; GCN-NEXT: [[V_MOV_B:%[0-9]+]]:vreg_64_align2 = V_MOV_B64_PSEUDO 1311768467750121200, implicit $exec
    ; GCN-NEXT: SI_RETURN_TO_EPILOG [[V_MOV_B]]
    %0:sreg_64 = S_MOV_B64_IMM_PSEUDO 1311768467750121200
    %1:vreg_64_align2 = COPY killed %0
    SI_RETURN_TO_EPILOG %1

...

---
name:            fold_sreg_64_to_sreg_64
body:             |
  bb.0:

    ; GCN-LABEL: name: fold_sreg_64_to_sreg_64
    ; GCN: [[S_MOV_B64_:%[0-9]+]]:sreg_64 = S_MOV_B64 1311768467750121200
    ; GCN-NEXT: SI_RETURN_TO_EPILOG [[S_MOV_B64_]]
    %0:sreg_64 = S_MOV_B64 1311768467750121200
    %1:sreg_64 = COPY killed %0
    SI_RETURN_TO_EPILOG %1

...

---
name:            fold_sreg_64_lo16_to_sgpr_lo16
body:             |
  bb.0:

    ; GCN-LABEL: name: fold_sreg_64_lo16_to_sgpr_lo16
    ; GCN: [[S_MOV_B:%[0-9]+]]:sreg_64 = S_MOV_B64_IMM_PSEUDO 1125912791875585
    ; GCN-NEXT: $sgpr0 = S_MOV_B32 1
    ; GCN-NEXT: SI_RETURN_TO_EPILOG $sgpr0_lo16
    %0:sreg_64 = S_MOV_B64_IMM_PSEUDO 1125912791875585
    $sgpr0_lo16 = COPY killed %0.lo16
    SI_RETURN_TO_EPILOG $sgpr0_lo16

...

---
name:            fold_sreg_64_hi16_to_sgpr_lo16
body:             |
  bb.0:

    ; GCN-LABEL: name: fold_sreg_64_hi16_to_sgpr_lo16
    ; GCN: [[S_MOV_B:%[0-9]+]]:sreg_64 = S_MOV_B64_IMM_PSEUDO 1125912791875585
    ; GCN-NEXT: $sgpr0 = S_MOV_B32 2
    ; GCN-NEXT: SI_RETURN_TO_EPILOG $sgpr0_lo16
    %0:sreg_64 = S_MOV_B64_IMM_PSEUDO 1125912791875585
    $sgpr0_lo16 = COPY killed %0.hi16
    SI_RETURN_TO_EPILOG $sgpr0_lo16

...

---
name:            fold_sreg_64_sub1_lo16_to_sgpr_lo16
body:             |
  bb.0:

    ; GCN-LABEL: name: fold_sreg_64_sub1_lo16_to_sgpr_lo16
    ; GCN: [[S_MOV_B:%[0-9]+]]:sreg_64 = S_MOV_B64_IMM_PSEUDO 1125912791875585
    ; GCN-NEXT: $sgpr0 = S_MOV_B32 3
    ; GCN-NEXT: SI_RETURN_TO_EPILOG $sgpr0_lo16
    %0:sreg_64 = S_MOV_B64_IMM_PSEUDO 1125912791875585
    $sgpr0_lo16 = COPY killed %0.sub1_lo16
    SI_RETURN_TO_EPILOG $sgpr0_lo16

...

---
name:            fold_sreg_64_sub1_hi16_to_sgpr_lo16
body:             |
  bb.0:

    ; GCN-LABEL: name: fold_sreg_64_sub1_hi16_to_sgpr_lo16
    ; GCN: [[S_MOV_B:%[0-9]+]]:sreg_64 = S_MOV_B64_IMM_PSEUDO 1125912791875585
    ; GCN-NEXT: $sgpr0 = S_MOV_B32 4
    ; GCN-NEXT: SI_RETURN_TO_EPILOG $sgpr0_lo16
    %0:sreg_64 = S_MOV_B64_IMM_PSEUDO 1125912791875585
    $sgpr0_lo16 = COPY killed %0.sub1_hi16
    SI_RETURN_TO_EPILOG $sgpr0_lo16

...

---
name:            fmac_sreg_64_sub0_src0_to_fmamk
tracksRegLiveness: true
body:             |
  bb.0:

    ; GCN-LABEL: name: fmac_sreg_64_sub0_src0_to_fmamk
    ; GCN: [[DEF:%[0-9]+]]:vgpr_32 = IMPLICIT_DEF
    ; GCN-NEXT: [[DEF1:%[0-9]+]]:vgpr_32 = IMPLICIT_DEF
    ; GCN-NEXT: [[V_FMAMK_F32_:%[0-9]+]]:vgpr_32 = V_FMAMK_F32 [[DEF]], -1412567312, [[DEF1]], implicit $mode, implicit $exec
    ; GCN-NEXT: SI_RETURN_TO_EPILOG [[V_FMAMK_F32_]]
    %0:vgpr_32 = IMPLICIT_DEF
    %1:vgpr_32 = IMPLICIT_DEF
    %2:sreg_64 = S_MOV_B64_IMM_PSEUDO 1311768467750121200
    %3:vgpr_32 = V_FMAC_F32_e64 0, %2.sub0, 0, %0, 0, %1, 0, 0, implicit $mode, implicit $exec
    SI_RETURN_TO_EPILOG %3
...

---
name:            fmac_sreg_64_sub1_src0_to_fmamk
tracksRegLiveness: true
body:             |
  bb.0:

    ; GCN-LABEL: name: fmac_sreg_64_sub1_src0_to_fmamk
    ; GCN: [[DEF:%[0-9]+]]:vgpr_32 = IMPLICIT_DEF
    ; GCN-NEXT: [[DEF1:%[0-9]+]]:vgpr_32 = IMPLICIT_DEF
    ; GCN-NEXT: [[V_FMAMK_F32_:%[0-9]+]]:vgpr_32 = V_FMAMK_F32 [[DEF]], 305419896, [[DEF1]], implicit $mode, implicit $exec
    ; GCN-NEXT: SI_RETURN_TO_EPILOG [[V_FMAMK_F32_]]
    %0:vgpr_32 = IMPLICIT_DEF
    %1:vgpr_32 = IMPLICIT_DEF
    %2:sreg_64 = S_MOV_B64_IMM_PSEUDO 1311768467750121200
    %3:vgpr_32 = V_FMAC_F32_e64 0, %2.sub1, 0, %0, 0, %1, 0, 0, implicit $mode, implicit $exec
    SI_RETURN_TO_EPILOG %3
...

---
name:            fmac_sreg_64_sub1_src1_to_fmaak
tracksRegLiveness: true
body:             |
  bb.0:

    ; GCN-LABEL: name: fmac_sreg_64_sub1_src1_to_fmaak
    ; GCN: [[DEF:%[0-9]+]]:vgpr_32 = IMPLICIT_DEF
    ; GCN-NEXT: [[DEF1:%[0-9]+]]:vgpr_32 = IMPLICIT_DEF
    ; GCN-NEXT: [[V_FMAMK_F32_:%[0-9]+]]:vgpr_32 = V_FMAMK_F32 [[DEF]], 305419896, [[DEF1]], implicit $mode, implicit $exec
    ; GCN-NEXT: SI_RETURN_TO_EPILOG [[V_FMAMK_F32_]]
    %0:vgpr_32 = IMPLICIT_DEF
    %1:vgpr_32 = IMPLICIT_DEF
    %2:sreg_64 = S_MOV_B64_IMM_PSEUDO 1311768467750121200
    %3:vgpr_32 = V_FMAC_F32_e64 0, %0, 0, %2.sub1, 0, %1, 0, 0, implicit $mode, implicit $exec
    SI_RETURN_TO_EPILOG %3
...

---
name:            fma_sreg_64_sub0_to_fmaak
tracksRegLiveness: true
body:             |
  bb.0:

    ; GCN-LABEL: name: fma_sreg_64_sub0_to_fmaak
    ; GCN: [[DEF:%[0-9]+]]:vgpr_32 = IMPLICIT_DEF
    ; GCN-NEXT: [[DEF1:%[0-9]+]]:vgpr_32 = IMPLICIT_DEF
    ; GCN-NEXT: [[V_FMAAK_F32_:%[0-9]+]]:vgpr_32 = V_FMAAK_F32 [[DEF]], [[DEF1]], -1412567312, implicit $mode, implicit $exec
    ; GCN-NEXT: SI_RETURN_TO_EPILOG [[V_FMAAK_F32_]]
    %0:vgpr_32 = IMPLICIT_DEF
    %1:vgpr_32 = IMPLICIT_DEF
    %2:sreg_64 = S_MOV_B64_IMM_PSEUDO 1311768467750121200
    %3:vgpr_32 = V_FMA_F32_e64 0, %0, 0, %1, 0, %2.sub0, 0, 0, implicit $mode, implicit $exec
    SI_RETURN_TO_EPILOG %3
...

---
name:            fma_sreg_64_sub1_to_fmaak
tracksRegLiveness: true
body:             |
  bb.0:

    ; GCN-LABEL: name: fma_sreg_64_sub1_to_fmaak
    ; GCN: [[DEF:%[0-9]+]]:vgpr_32 = IMPLICIT_DEF
    ; GCN-NEXT: [[DEF1:%[0-9]+]]:vgpr_32 = IMPLICIT_DEF
    ; GCN-NEXT: [[V_FMAAK_F32_:%[0-9]+]]:vgpr_32 = V_FMAAK_F32 [[DEF]], [[DEF1]], 305419896, implicit $mode, implicit $exec
    ; GCN-NEXT: SI_RETURN_TO_EPILOG [[V_FMAAK_F32_]]
    %0:vgpr_32 = IMPLICIT_DEF
    %1:vgpr_32 = IMPLICIT_DEF
    %2:sreg_64 = S_MOV_B64_IMM_PSEUDO 1311768467750121200
    %3:vgpr_32 = V_FMA_F32_e64 0, %0, 0, %1, 0, %2.sub1, 0, 0, implicit $mode, implicit $exec
    SI_RETURN_TO_EPILOG %3
...

---
name:            fold_aimm_virtual
body:             |
  bb.0:

    ; GCN-LABEL: name: fold_aimm_virtual
    ; GCN: [[V_ACCVGPR_WRITE_B32_e64_:%[0-9]+]]:agpr_32 = V_ACCVGPR_WRITE_B32_e64 64, implicit $exec
    ; GCN-NEXT: SI_RETURN_TO_EPILOG implicit [[V_ACCVGPR_WRITE_B32_e64_]]
    %0:agpr_32 = V_ACCVGPR_WRITE_B32_e64 64, implicit $exec
    %1:agpr_32 = COPY killed %0
    SI_RETURN_TO_EPILOG implicit %1

...

---
name:            fold_aimm_virtual_copy_to_vgpr
body:             |
  bb.0:

    ; GCN-LABEL: name: fold_aimm_virtual_copy_to_vgpr
    ; GCN: [[V_ACCVGPR_WRITE_B32_e64_:%[0-9]+]]:agpr_32 = V_ACCVGPR_WRITE_B32_e64 64, implicit $exec
    ; GCN-NEXT: [[V_MOV_B32_e32_:%[0-9]+]]:vgpr_32 = V_MOV_B32_e32 64, implicit $exec
    ; GCN-NEXT: SI_RETURN_TO_EPILOG implicit [[V_MOV_B32_e32_]]
    %0:agpr_32 = V_ACCVGPR_WRITE_B32_e64 64, implicit $exec
    %1:vgpr_32 = COPY killed %0
    SI_RETURN_TO_EPILOG implicit %1

...

---
name:            fold_v_mov_b64_64_sub0_to_vgpr_32
body:             |
  bb.0:

    ; GCN-LABEL: name: fold_v_mov_b64_64_sub0_to_vgpr_32
    ; GCN: [[V_MOV_B64_e32_:%[0-9]+]]:vreg_64_align2 = V_MOV_B64_e32 1311768467750121200, implicit $exec
    ; GCN-NEXT: [[V_MOV_B32_e32_:%[0-9]+]]:vgpr_32 = V_MOV_B32_e32 -1412567312, implicit $exec
    ; GCN-NEXT: SI_RETURN_TO_EPILOG [[V_MOV_B32_e32_]]
    %0:vreg_64_align2 = V_MOV_B64_e32 1311768467750121200, implicit $exec
    %1:vgpr_32 = COPY killed %0.sub0
    SI_RETURN_TO_EPILOG %1

...

---
name:            fold_v_mov_b64_64_sub1_to_vgpr_32
body:             |
  bb.0:

    ; GCN-LABEL: name: fold_v_mov_b64_64_sub1_to_vgpr_32
    ; GCN: [[V_MOV_B64_e32_:%[0-9]+]]:vreg_64_align2 = V_MOV_B64_e32 1311768467750121200, implicit $exec
    ; GCN-NEXT: [[V_MOV_B32_e32_:%[0-9]+]]:vgpr_32 = V_MOV_B32_e32 305419896, implicit $exec
    ; GCN-NEXT: SI_RETURN_TO_EPILOG [[V_MOV_B32_e32_]]
    %0:vreg_64_align2 = V_MOV_B64_e32 1311768467750121200, implicit $exec
    %1:vgpr_32 = COPY killed %0.sub1
    SI_RETURN_TO_EPILOG %1

...

---
name:            fold_v_mov_b64_64
body:             |
  bb.0:

    ; GCN-LABEL: name: fold_v_mov_b64_64
    ; GCN: [[V_MOV_B64_e32_:%[0-9]+]]:vreg_64_align2 = V_MOV_B64_e32 1311768467750121200, implicit $exec
    ; GCN-NEXT: [[V_MOV_B:%[0-9]+]]:vreg_64_align2 = V_MOV_B64_PSEUDO 1311768467750121200, implicit $exec
    ; GCN-NEXT: SI_RETURN_TO_EPILOG implicit [[V_MOV_B]]
    %0:vreg_64_align2 = V_MOV_B64_e32 1311768467750121200, implicit $exec
    %1:vreg_64_align2 = COPY killed %0
    SI_RETURN_TO_EPILOG implicit %1

...

---
name:            fold_v_mov_b64_64_to_unaligned
body:             |
  bb.0:
    ; GCN-LABEL: name: fold_v_mov_b64_64_to_unaligned
    ; GCN: [[V_MOV_B64_e32_:%[0-9]+]]:vreg_64_align2 = V_MOV_B64_e32 1311768467750121200, implicit $exec
    ; GCN-NEXT: [[V_MOV_B:%[0-9]+]]:vreg_64 = V_MOV_B64_PSEUDO 1311768467750121200, implicit $exec
    ; GCN-NEXT: SI_RETURN_TO_EPILOG implicit [[V_MOV_B]]
    %0:vreg_64_align2 = V_MOV_B64_e32 1311768467750121200, implicit $exec
    %1:vreg_64 = COPY killed %0
    SI_RETURN_TO_EPILOG implicit %1
...

---
name:            fold_v_mov_b64_pseudo_64_to_unaligned
body:             |
  bb.0:
    ; GCN-LABEL: name: fold_v_mov_b64_pseudo_64_to_unaligned
    ; GCN: [[V_MOV_B64_PSEUDO:%[0-9]+]]:vreg_64_align2 = V_MOV_B64_PSEUDO 1311768467750121200, implicit $exec
    ; GCN-NEXT: [[V_MOV_B:%[0-9]+]]:vreg_64 = V_MOV_B64_PSEUDO 1311768467750121200, implicit $exec
    ; GCN-NEXT: SI_RETURN_TO_EPILOG implicit [[V_MOV_B]]
    %0:vreg_64_align2 = V_MOV_B64_PSEUDO 1311768467750121200, implicit $exec
    %1:vreg_64 = COPY killed %0
    SI_RETURN_TO_EPILOG implicit %1
...

---
name:            fold_s_brev_b32_simm_virtual_0
body:             |
  bb.0:

    ; GCN-LABEL: name: fold_s_brev_b32_simm_virtual_0
    ; GCN: [[S_BREV_B32_:%[0-9]+]]:sreg_32 = S_BREV_B32 1
    ; GCN-NEXT: [[S_MOV_B32_:%[0-9]+]]:sreg_32 = S_MOV_B32 -2147483648
    ; GCN-NEXT: SI_RETURN_TO_EPILOG
    %0:sreg_32 = S_BREV_B32 1
    %1:sreg_32 = COPY killed %0
    SI_RETURN_TO_EPILOG

...

---
name:            fold_s_brev_b32_simm_virtual_1
body:             |
  bb.0:

    ; GCN-LABEL: name: fold_s_brev_b32_simm_virtual_1
    ; GCN: [[S_BREV_B32_:%[0-9]+]]:sreg_32 = S_BREV_B32 -64
    ; GCN-NEXT: [[S_MOV_B32_:%[0-9]+]]:sreg_32 = S_MOV_B32 67108863
    ; GCN-NEXT: SI_RETURN_TO_EPILOG
    %0:sreg_32 = S_BREV_B32 -64
    %1:sreg_32 = COPY killed %0
    SI_RETURN_TO_EPILOG

...

---
name:            fold_v_bfrev_b32_e32_imm
body:             |
  bb.0:

    ; GCN-LABEL: name: fold_v_bfrev_b32_e32_imm
    ; GCN: [[V_BFREV_B32_e32_:%[0-9]+]]:vgpr_32 = V_BFREV_B32_e32 1, implicit $exec
    ; GCN-NEXT: [[V_MOV_B32_e32_:%[0-9]+]]:vgpr_32 = V_MOV_B32_e32 -2147483648, implicit $exec
    ; GCN-NEXT: SI_RETURN_TO_EPILOG [[V_MOV_B32_e32_]]
    %0:vgpr_32 = V_BFREV_B32_e32 1, implicit $exec
    %1:vgpr_32 = COPY killed %0
    SI_RETURN_TO_EPILOG %1

...

---
name:            fold_v_bfrev_b32_e64_imm
body:             |
  bb.0:

    ; GCN-LABEL: name: fold_v_bfrev_b32_e64_imm
    ; GCN: [[V_BFREV_B32_e64_:%[0-9]+]]:vgpr_32 = V_BFREV_B32_e64 1, implicit $exec
    ; GCN-NEXT: [[V_MOV_B32_e32_:%[0-9]+]]:vgpr_32 = V_MOV_B32_e32 -2147483648, implicit $exec
    ; GCN-NEXT: SI_RETURN_TO_EPILOG [[V_MOV_B32_e32_]]
    %0:vgpr_32 = V_BFREV_B32_e64 1, implicit $exec
    %1:vgpr_32 = COPY killed %0
    SI_RETURN_TO_EPILOG %1

...

---
name:            fold_s_not_b32_simm_virtual_0
body:             |
  bb.0:

    ; GCN-LABEL: name: fold_s_not_b32_simm_virtual_0
    ; GCN: [[S_NOT_B32_:%[0-9]+]]:sreg_32 = S_NOT_B32 1, implicit-def $scc
    ; GCN-NEXT: [[S_MOV_B32_:%[0-9]+]]:sreg_32 = S_MOV_B32 -2
    ; GCN-NEXT: SI_RETURN_TO_EPILOG
    %0:sreg_32 = S_NOT_B32 1, implicit-def $scc
    %1:sreg_32 = COPY killed %0
    SI_RETURN_TO_EPILOG

...

---
name:            fold_s_not_b32_simm_virtual_1
body:             |
  bb.0:

    ; GCN-LABEL: name: fold_s_not_b32_simm_virtual_1
    ; GCN: [[S_NOT_B32_:%[0-9]+]]:sreg_32 = S_NOT_B32 -64, implicit-def $scc
    ; GCN-NEXT: [[S_MOV_B32_:%[0-9]+]]:sreg_32 = S_MOV_B32 63
    ; GCN-NEXT: SI_RETURN_TO_EPILOG
    %0:sreg_32 = S_NOT_B32 -64, implicit-def $scc
    %1:sreg_32 = COPY killed %0
    SI_RETURN_TO_EPILOG

...

---
name:            fold_v_not_b32_e32_imm
body:             |
  bb.0:

    ; GCN-LABEL: name: fold_v_not_b32_e32_imm
    ; GCN: [[V_NOT_B32_e32_:%[0-9]+]]:vgpr_32 = V_NOT_B32_e32 1, implicit $exec
    ; GCN-NEXT: [[V_MOV_B32_e32_:%[0-9]+]]:vgpr_32 = V_MOV_B32_e32 -2, implicit $exec
    ; GCN-NEXT: SI_RETURN_TO_EPILOG [[V_MOV_B32_e32_]]
    %0:vgpr_32 = V_NOT_B32_e32 1, implicit $exec
    %1:vgpr_32 = COPY killed %0
    SI_RETURN_TO_EPILOG %1

...

---
name:            fold_v_not_b32_e64_imm
body:             |
  bb.0:

    ; GCN-LABEL: name: fold_v_not_b32_e64_imm
    ; GCN: [[V_NOT_B32_e64_:%[0-9]+]]:vgpr_32 = V_NOT_B32_e64 1, implicit $exec
    ; GCN-NEXT: [[V_MOV_B32_e32_:%[0-9]+]]:vgpr_32 = V_MOV_B32_e32 -2, implicit $exec
    ; GCN-NEXT: SI_RETURN_TO_EPILOG [[V_MOV_B32_e32_]]
    %0:vgpr_32 = V_NOT_B32_e64 1, implicit $exec
    %1:vgpr_32 = COPY killed %0
    SI_RETURN_TO_EPILOG %1

...

---
name:            fmac_sreg_64_src0_to_fmamk_f64
tracksRegLiveness: true
body:             |
  bb.0:

    ; GFX942-LABEL: name: fmac_sreg_64_src0_to_fmamk_f64
    ; GFX942: [[DEF:%[0-9]+]]:vreg_64_align2 = IMPLICIT_DEF
    ; GFX942-NEXT: [[DEF1:%[0-9]+]]:vreg_64_align2 = IMPLICIT_DEF
    ; GFX942-NEXT: [[S_MOV_B:%[0-9]+]]:sreg_64 = S_MOV_B64_IMM_PSEUDO 1311768467750121200
    ; GFX942-NEXT: [[V_FMAC_F64_e64_:%[0-9]+]]:vreg_64_align2 = V_FMAC_F64_e64 0, [[S_MOV_B]], 0, [[DEF]], 0, [[DEF1]], 0, 0, implicit $mode, implicit $exec
    ; GFX942-NEXT: SI_RETURN_TO_EPILOG [[V_FMAC_F64_e64_]]
    ;
    ; GFX1250-LABEL: name: fmac_sreg_64_src0_to_fmamk_f64
    ; GFX1250: [[DEF:%[0-9]+]]:vreg_64_align2 = IMPLICIT_DEF
    ; GFX1250-NEXT: [[DEF1:%[0-9]+]]:vreg_64_align2 = IMPLICIT_DEF
    ; GFX1250-NEXT: [[V_FMAMK_F64_:%[0-9]+]]:vreg_64_align2 = V_FMAMK_F64 [[DEF]], 1311768467750121200, [[DEF1]], implicit $mode, implicit $exec
    ; GFX1250-NEXT: SI_RETURN_TO_EPILOG [[V_FMAMK_F64_]]
    %0:vreg_64_align2 = IMPLICIT_DEF
    %1:vreg_64_align2 = IMPLICIT_DEF
    %2:sreg_64 = S_MOV_B64_IMM_PSEUDO 1311768467750121200
    %3:vreg_64_align2 = V_FMAC_F64_e64 0, %2, 0, %0, 0, %1, 0, 0, implicit $mode, implicit $exec
    SI_RETURN_TO_EPILOG %3
...

---
name:            fmac_sreg_64_src1_to_fmamk_f64
tracksRegLiveness: true
body:             |
  bb.0:

    ; GCN-LABEL: name: fmac_sreg_64_src1_to_fmamk_f64
    ; GCN: [[DEF:%[0-9]+]]:vreg_64_align2 = IMPLICIT_DEF
    ; GCN-NEXT: [[DEF1:%[0-9]+]]:vreg_64_align2 = IMPLICIT_DEF
    ; GCN-NEXT: [[S_MOV_B:%[0-9]+]]:sreg_64 = S_MOV_B64_IMM_PSEUDO 1311768467750121200
    ; GCN-NEXT: [[V_FMAC_F64_e64_:%[0-9]+]]:vreg_64_align2 = V_FMAC_F64_e64 0, [[DEF]], 0, [[DEF1]], 0, [[DEF1]], 0, 0, implicit $mode, implicit $exec
    ; GCN-NEXT: SI_RETURN_TO_EPILOG [[V_FMAC_F64_e64_]]
    %0:vreg_64_align2 = IMPLICIT_DEF
    %1:vreg_64_align2 = IMPLICIT_DEF
    %2:sreg_64 = S_MOV_B64_IMM_PSEUDO 1311768467750121200
    %3:vreg_64_align2 = V_FMAC_F64_e64 0, %0, 0, %1, 0, %1, 0, 0, implicit $mode, implicit $exec
    SI_RETURN_TO_EPILOG %3
...

---
name:            fmac_vreg_64_to_fmaak_f64
tracksRegLiveness: true
body:             |
  bb.0:

    ; GFX942-LABEL: name: fmac_vreg_64_to_fmaak_f64
    ; GFX942: [[DEF:%[0-9]+]]:vreg_64_align2 = IMPLICIT_DEF
    ; GFX942-NEXT: [[DEF1:%[0-9]+]]:vreg_64_align2 = IMPLICIT_DEF
    ; GFX942-NEXT: [[V_MOV_B:%[0-9]+]]:vreg_64_align2 = V_MOV_B64_PSEUDO 1311768467750121200, implicit $exec
    ; GFX942-NEXT: [[V_FMAC_F64_e64_:%[0-9]+]]:vreg_64_align2 = V_FMAC_F64_e64 0, [[DEF]], 0, [[DEF1]], 0, [[V_MOV_B]], 0, 0, implicit $mode, implicit $exec
    ; GFX942-NEXT: SI_RETURN_TO_EPILOG [[V_FMAC_F64_e64_]]
    ;
    ; GFX1250-LABEL: name: fmac_vreg_64_to_fmaak_f64
    ; GFX1250: [[DEF:%[0-9]+]]:vreg_64_align2 = IMPLICIT_DEF
    ; GFX1250-NEXT: [[DEF1:%[0-9]+]]:vreg_64_align2 = IMPLICIT_DEF
    ; GFX1250-NEXT: [[V_FMAAK_F64_:%[0-9]+]]:vreg_64_align2 = V_FMAAK_F64 [[DEF]], [[DEF1]], 1311768467750121200, implicit $mode, implicit $exec
    ; GFX1250-NEXT: SI_RETURN_TO_EPILOG [[V_FMAAK_F64_]]
    %0:vreg_64_align2 = IMPLICIT_DEF
    %1:vreg_64_align2 = IMPLICIT_DEF
    %2:vreg_64_align2 = V_MOV_B64_PSEUDO 1311768467750121200, implicit $exec
    %3:vreg_64_align2 = V_FMAC_F64_e64 0, %0, 0, %1, 0, %2, 0, 0, implicit $mode, implicit $exec
    SI_RETURN_TO_EPILOG %3
...

---
name:            fma_sreg_64_src0_to_fmamk_f64
tracksRegLiveness: true
body:             |
  bb.0:

    ; GFX942-LABEL: name: fma_sreg_64_src0_to_fmamk_f64
    ; GFX942: [[DEF:%[0-9]+]]:vreg_64_align2 = IMPLICIT_DEF
    ; GFX942-NEXT: [[DEF1:%[0-9]+]]:vreg_64_align2 = IMPLICIT_DEF
    ; GFX942-NEXT: [[S_MOV_B:%[0-9]+]]:sreg_64 = S_MOV_B64_IMM_PSEUDO 1311768467750121200
    ; GFX942-NEXT: [[V_FMA_F64_e64_:%[0-9]+]]:vreg_64_align2 = V_FMA_F64_e64 0, [[S_MOV_B]], 0, [[DEF]], 0, [[DEF1]], 0, 0, implicit $mode, implicit $exec
    ; GFX942-NEXT: SI_RETURN_TO_EPILOG [[V_FMA_F64_e64_]]
    ;
    ; GFX1250-LABEL: name: fma_sreg_64_src0_to_fmamk_f64
    ; GFX1250: [[DEF:%[0-9]+]]:vreg_64_align2 = IMPLICIT_DEF
    ; GFX1250-NEXT: [[DEF1:%[0-9]+]]:vreg_64_align2 = IMPLICIT_DEF
    ; GFX1250-NEXT: [[V_FMAMK_F64_:%[0-9]+]]:vreg_64_align2 = V_FMAMK_F64 [[DEF]], 1311768467750121200, [[DEF1]], implicit $mode, implicit $exec
    ; GFX1250-NEXT: SI_RETURN_TO_EPILOG [[V_FMAMK_F64_]]
    %0:vreg_64_align2 = IMPLICIT_DEF
    %1:vreg_64_align2 = IMPLICIT_DEF
    %2:sreg_64 = S_MOV_B64_IMM_PSEUDO 1311768467750121200
    %3:vreg_64_align2 = V_FMA_F64_e64 0, %2, 0, %0, 0, %1, 0, 0, implicit $mode, implicit $exec
    SI_RETURN_TO_EPILOG %3
...

---
name:            fma_sreg_64_src1_to_fmamk_f64
tracksRegLiveness: true
body:             |
  bb.0:

    ; GCN-LABEL: name: fma_sreg_64_src1_to_fmamk_f64
    ; GCN: [[DEF:%[0-9]+]]:vreg_64_align2 = IMPLICIT_DEF
    ; GCN-NEXT: [[DEF1:%[0-9]+]]:vreg_64_align2 = IMPLICIT_DEF
    ; GCN-NEXT: [[S_MOV_B:%[0-9]+]]:sreg_64 = S_MOV_B64_IMM_PSEUDO 1311768467750121200
    ; GCN-NEXT: [[V_FMA_F64_e64_:%[0-9]+]]:vreg_64_align2 = V_FMA_F64_e64 0, [[DEF]], 0, [[DEF1]], 0, [[DEF1]], 0, 0, implicit $mode, implicit $exec
    ; GCN-NEXT: SI_RETURN_TO_EPILOG [[V_FMA_F64_e64_]]
    %0:vreg_64_align2 = IMPLICIT_DEF
    %1:vreg_64_align2 = IMPLICIT_DEF
    %2:sreg_64 = S_MOV_B64_IMM_PSEUDO 1311768467750121200
    %3:vreg_64_align2 = V_FMA_F64_e64 0, %0, 0, %1, 0, %1, 0, 0, implicit $mode, implicit $exec
    SI_RETURN_TO_EPILOG %3
...

---
name:            fma_vreg_64_to_fmaak_f64
tracksRegLiveness: true
body:             |
  bb.0:

    ; GFX942-LABEL: name: fma_vreg_64_to_fmaak_f64
    ; GFX942: [[DEF:%[0-9]+]]:vreg_64_align2 = IMPLICIT_DEF
    ; GFX942-NEXT: [[DEF1:%[0-9]+]]:vreg_64_align2 = IMPLICIT_DEF
    ; GFX942-NEXT: [[V_MOV_B:%[0-9]+]]:vreg_64_align2 = V_MOV_B64_PSEUDO 1311768467750121200, implicit $exec
    ; GFX942-NEXT: [[V_FMA_F64_e64_:%[0-9]+]]:vreg_64_align2 = V_FMA_F64_e64 0, [[DEF]], 0, [[DEF1]], 0, [[V_MOV_B]], 0, 0, implicit $mode, implicit $exec
    ; GFX942-NEXT: SI_RETURN_TO_EPILOG [[V_FMA_F64_e64_]]
    ;
    ; GFX1250-LABEL: name: fma_vreg_64_to_fmaak_f64
    ; GFX1250: [[DEF:%[0-9]+]]:vreg_64_align2 = IMPLICIT_DEF
    ; GFX1250-NEXT: [[DEF1:%[0-9]+]]:vreg_64_align2 = IMPLICIT_DEF
    ; GFX1250-NEXT: [[V_FMAAK_F64_:%[0-9]+]]:vreg_64_align2 = V_FMAAK_F64 [[DEF]], [[DEF1]], 1311768467750121200, implicit $mode, implicit $exec
    ; GFX1250-NEXT: SI_RETURN_TO_EPILOG [[V_FMAAK_F64_]]
    %0:vreg_64_align2 = IMPLICIT_DEF
    %1:vreg_64_align2 = IMPLICIT_DEF
    %2:vreg_64_align2 = V_MOV_B64_PSEUDO 1311768467750121200, implicit $exec
    %3:vreg_64_align2 = V_FMA_F64_e64 0, %0, 0, %1, 0, %2, 0, 0, implicit $mode, implicit $exec
    SI_RETURN_TO_EPILOG %3
...

---
name:            fold_v_mov_b32_e32_literal_to_agpr
body:             |
  bb.0:
    ; GCN-LABEL: name: fold_v_mov_b32_e32_literal_to_agpr
    ; GCN: [[V_MOV_B32_e32_:%[0-9]+]]:vgpr_32 = V_MOV_B32_e32 999, implicit $exec
    ; GCN-NEXT: [[COPY:%[0-9]+]]:agpr_32 = COPY killed [[V_MOV_B32_e32_]]
    ; GCN-NEXT: SI_RETURN_TO_EPILOG implicit [[COPY]]
    %0:vgpr_32 = V_MOV_B32_e32 999, implicit $exec
    %1:agpr_32 = COPY killed %0
    SI_RETURN_TO_EPILOG implicit %1
...

---
name:            fold_v_mov_b32_e32_inlineimm_to_agpr
body:             |
  bb.0:
    ; GCN-LABEL: name: fold_v_mov_b32_e32_inlineimm_to_agpr
    ; GCN: [[V_MOV_B32_e32_:%[0-9]+]]:vgpr_32 = V_MOV_B32_e32 64, implicit $exec
    ; GCN-NEXT: [[V_ACCVGPR_WRITE_B32_e64_:%[0-9]+]]:agpr_32 = V_ACCVGPR_WRITE_B32_e64 64, implicit $exec
    ; GCN-NEXT: SI_RETURN_TO_EPILOG implicit [[V_ACCVGPR_WRITE_B32_e64_]]
    %0:vgpr_32 = V_MOV_B32_e32 64, implicit $exec
    %1:agpr_32 = COPY killed %0
    SI_RETURN_TO_EPILOG implicit %1
...

---
name:            fold_av_mov_b32_imm_pseudo_inlineimm_to_vgpr
body:             |
  bb.0:
    ; GCN-LABEL: name: fold_av_mov_b32_imm_pseudo_inlineimm_to_vgpr
    ; GCN: [[AV_MOV_:%[0-9]+]]:av_32 = AV_MOV_B32_IMM_PSEUDO 64, implicit $exec
    ; GCN-NEXT: [[V_MOV_B32_e32_:%[0-9]+]]:vgpr_32 = V_MOV_B32_e32 64, implicit $exec
    ; GCN-NEXT: SI_RETURN_TO_EPILOG implicit [[V_MOV_B32_e32_]]
    %0:av_32 = AV_MOV_B32_IMM_PSEUDO 64, implicit $exec
    %1:vgpr_32 = COPY killed %0
    SI_RETURN_TO_EPILOG implicit %1
...

---
name:            fold_av_mov_b32_imm_pseudo_inlineimm_to_agpr
body:             |
  bb.0:
    ; GCN-LABEL: name: fold_av_mov_b32_imm_pseudo_inlineimm_to_agpr
    ; GCN: [[AV_MOV_:%[0-9]+]]:av_32 = AV_MOV_B32_IMM_PSEUDO 64, implicit $exec
    ; GCN-NEXT: [[V_ACCVGPR_WRITE_B32_e64_:%[0-9]+]]:agpr_32 = V_ACCVGPR_WRITE_B32_e64 64, implicit $exec
    ; GCN-NEXT: SI_RETURN_TO_EPILOG implicit [[V_ACCVGPR_WRITE_B32_e64_]]
    %0:av_32 = AV_MOV_B32_IMM_PSEUDO 64, implicit $exec
    %1:agpr_32 = COPY killed %0
    SI_RETURN_TO_EPILOG implicit %1
...

---
name:            fold_av_mov_b32_imm_pseudo_inlineimm_to_av
body:             |
  bb.0:
    ; GCN-LABEL: name: fold_av_mov_b32_imm_pseudo_inlineimm_to_av
    ; GCN: [[AV_MOV_:%[0-9]+]]:av_32 = AV_MOV_B32_IMM_PSEUDO 64, implicit $exec
    ; GCN-NEXT: [[V_MOV_B32_e32_:%[0-9]+]]:vgpr_32 = V_MOV_B32_e32 64, implicit $exec
    ; GCN-NEXT: SI_RETURN_TO_EPILOG implicit [[V_MOV_B32_e32_]]
    %0:av_32 = AV_MOV_B32_IMM_PSEUDO 64, implicit $exec
    %1:av_32 = COPY killed %0
    SI_RETURN_TO_EPILOG implicit %1
...

---
name:            fold_av_mov_b64_imm_pseudo_inlineimm_to_vgpr
body:             |
  bb.0:
    ; GCN-LABEL: name: fold_av_mov_b64_imm_pseudo_inlineimm_to_vgpr
    ; GCN: [[AV_MOV_:%[0-9]+]]:av_64_align2 = AV_MOV_B64_IMM_PSEUDO 64, implicit $exec
    ; GCN-NEXT: [[V_MOV_B:%[0-9]+]]:vreg_64_align2 = V_MOV_B64_PSEUDO 64, implicit $exec
    ; GCN-NEXT: SI_RETURN_TO_EPILOG implicit [[V_MOV_B]]
    %0:av_64_align2 = AV_MOV_B64_IMM_PSEUDO 64, implicit $exec
    %1:vreg_64_align2 = COPY killed %0
    SI_RETURN_TO_EPILOG implicit %1
...

---
name:            fold_av_mov_b64_imm_pseudo_inlineimm_to_agpr
body:             |
  bb.0:
    ; GCN-LABEL: name: fold_av_mov_b64_imm_pseudo_inlineimm_to_agpr
    ; GCN: [[AV_MOV_:%[0-9]+]]:av_64_align2 = AV_MOV_B64_IMM_PSEUDO 64, implicit $exec
    ; GCN-NEXT: [[COPY:%[0-9]+]]:areg_64_align2 = COPY killed [[AV_MOV_]]
    ; GCN-NEXT: SI_RETURN_TO_EPILOG implicit [[COPY]]
    %0:av_64_align2 = AV_MOV_B64_IMM_PSEUDO 64, implicit $exec
    %1:areg_64_align2 = COPY killed %0
    SI_RETURN_TO_EPILOG implicit %1
...

---
name:            fold_av_mov_b64_imm_pseudo_inlineimm_to_av
body:             |
  bb.0:
    ; GCN-LABEL: name: fold_av_mov_b64_imm_pseudo_inlineimm_to_av
    ; GCN: [[AV_MOV_:%[0-9]+]]:av_64_align2 = AV_MOV_B64_IMM_PSEUDO 64, implicit $exec
    ; GCN-NEXT: [[V_MOV_B:%[0-9]+]]:vreg_64_align2 = V_MOV_B64_PSEUDO 64, implicit $exec
    ; GCN-NEXT: SI_RETURN_TO_EPILOG implicit [[V_MOV_B]]
    %0:av_64_align2 = AV_MOV_B64_IMM_PSEUDO 64, implicit $exec
    %1:av_64_align2 = COPY killed %0
    SI_RETURN_TO_EPILOG implicit %1
...

---
name:            fold_simm_16_sub_to_lo_from_mov_64_virt_sgpr16
body:             |
  bb.0:

    ; GCN-LABEL: name: fold_simm_16_sub_to_lo_from_mov_64_virt_sgpr16
    ; GCN: [[S_MOV_B64_:%[0-9]+]]:sreg_64 = S_MOV_B64 64
    ; GCN-NEXT: [[COPY:%[0-9]+]]:sgpr_lo16 = COPY killed [[S_MOV_B64_]].lo16
    ; GCN-NEXT: SI_RETURN_TO_EPILOG [[COPY]]
    %0:sreg_64 = S_MOV_B64 64
    %1:sgpr_lo16 = COPY killed %0.lo16
    SI_RETURN_TO_EPILOG %1

...
---
name:            fold_simm_16_sub_to_hi_from_mov_64_inline_imm_virt_sgpr16
body:             |
  bb.0:

    ; GCN-LABEL: name: fold_simm_16_sub_to_hi_from_mov_64_inline_imm_virt_sgpr16
    ; GCN: [[S_MOV_B64_:%[0-9]+]]:sreg_64 = S_MOV_B64 64
    ; GCN-NEXT: [[COPY:%[0-9]+]]:sgpr_lo16 = COPY killed [[S_MOV_B64_]].hi16
    ; GCN-NEXT: SI_RETURN_TO_EPILOG [[COPY]]
    %0:sreg_64 = S_MOV_B64 64
    %1:sgpr_lo16 = COPY killed %0.hi16
    SI_RETURN_TO_EPILOG %1

...

---
name:            fold_simm_16_sub_to_lo_from_mov_64_phys_sgpr16_lo
body:             |
  bb.0:

    ; GCN-LABEL: name: fold_simm_16_sub_to_lo_from_mov_64_phys_sgpr16_lo
    ; GCN: [[S_MOV_B64_:%[0-9]+]]:sreg_64 = S_MOV_B64 64
    ; GCN-NEXT: $sgpr0 = S_MOV_B32 64
    ; GCN-NEXT: SI_RETURN_TO_EPILOG $sgpr0_lo16
    %0:sreg_64 = S_MOV_B64 64
    $sgpr0_lo16 = COPY killed %0.lo16
    SI_RETURN_TO_EPILOG $sgpr0_lo16

...
---
name:            fold_simm_16_sub_to_hi_from_mov_64_inline_imm_phys_sgpr16_lo
body:             |
  bb.0:

    ; GCN-LABEL: name: fold_simm_16_sub_to_hi_from_mov_64_inline_imm_phys_sgpr16_lo
    ; GCN: [[S_MOV_B64_:%[0-9]+]]:sreg_64 = S_MOV_B64 64
    ; GCN-NEXT: $sgpr0 = S_MOV_B32 0
    ; GCN-NEXT: SI_RETURN_TO_EPILOG $sgpr0_lo16
    %0:sreg_64 = S_MOV_B64 64
    $sgpr0_lo16 = COPY killed %0.hi16
    SI_RETURN_TO_EPILOG $sgpr0_lo16

...
---
# Test that foldImmediate correctly handles kill flags when eliminating
# redundant instructions. Without the fix, kill flags are not cleared when
# replacing the COPY's destination with the original immediate-defining register.
name: fold_imm_copy_kill_bug
tracksRegLiveness: true
body: |
  bb.0:
    ; GCN-LABEL: name: fold_imm_copy_kill_bug
    ; GCN: %0:vgpr_32 = V_MOV_B32_e32 0, implicit $exec
    ; GCN-NEXT: %1:vgpr_32 = V_MOV_B32_e32 1, implicit $exec
    ; GCN-NEXT: %3:vreg_64 = REG_SEQUENCE %1, %subreg.sub0, %0, %subreg.sub1
    ; GCN-NEXT: %4:vreg_64 = REG_SEQUENCE %1, %subreg.sub0, %0, %subreg.sub1
    ; GCN-NEXT: S_ENDPGM 0

    %0:vgpr_32 = V_MOV_B32_e32 0, implicit $exec
    %1:vgpr_32 = V_MOV_B32_e32 1, implicit $exec

    %2:vgpr_32 = COPY %0:vgpr_32

    %3:vreg_64 = REG_SEQUENCE %1:vgpr_32, %subreg.sub0, killed %2:vgpr_32, %subreg.sub1
    %4:vreg_64 = REG_SEQUENCE %1:vgpr_32, %subreg.sub0, %0:vgpr_32, %subreg.sub1

    S_ENDPGM 0

...