File: use_restore_frame_reg.mir

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# NOTE: Assertions have been autogenerated by utils/update_mir_test_checks.py
# RUN: llc -mtriple=amdgcn-amd-amdhsa -mcpu=gfx900 -verify-machineinstrs -run-pass=prologepilog %s -o - | FileCheck --check-prefix=MUBUF %s
# RUN: llc -mtriple=amdgcn-amd-amdhsa -mcpu=gfx900 -verify-machineinstrs -run-pass=prologepilog -mattr=+enable-flat-scratch %s -o - | FileCheck --check-prefix=FLATSCR %s

---
name: use_restore_frame_reg
tracksRegLiveness: true

stack:
  - { id: 0, type: default, offset: 0, size: 4, alignment: 8192 }
  - { id: 1, type: default, offset: 0, size: 4, alignment: 8192 }
  - { id: 2, type: default, offset: 0, size: 4, alignment: 8192 }
  - { id: 3, type: default, offset: 0, size: 4, alignment: 8192 }
  - { id: 4, type: default, offset: 0, size: 4, alignment: 8192 }
  - { id: 5, type: default, offset: 0, size: 4, alignment: 8192 }
  - { id: 6, type: default, offset: 0, size: 4, alignment: 8192 }
  - { id: 7, type: default, offset: 0, size: 4, alignment: 8192 }
  - { id: 8, type: default, offset: 0, size: 4, alignment: 8192 }
  - { id: 9, type: default, offset: 0, size: 4, alignment: 8192 }
  - { id: 10, type: default, offset: 0, size: 4, alignment: 8192 }
  - { id: 11, type: default, offset: 0, size: 4, alignment: 8192 }
  - { id: 12, type: default, offset: 0, size: 4, alignment: 8192 }
  - { id: 13, type: default, offset: 0, size: 4, alignment: 8192 }
  - { id: 14, type: default, offset: 0, size: 4, alignment: 8192 }
  - { id: 15, type: default, offset: 0, size: 4, alignment: 8192 }
  - { id: 16, type: default, offset: 0, size: 4, alignment: 8192 }
  - { id: 17, type: default, offset: 0, size: 4, alignment: 8192 }
  - { id: 18, type: default, offset: 0, size: 4, alignment: 8192 }

machineFunctionInfo:
  isEntryFunction: false
  scratchRSrcReg:  $sgpr0_sgpr1_sgpr2_sgpr3
  frameOffsetReg:  $sgpr33
  stackPtrOffsetReg:  $sgpr32

body:             |
  ; MUBUF-LABEL: name: use_restore_frame_reg
  ; MUBUF: bb.0:
  ; MUBUF-NEXT:   successors: %bb.2(0x40000000), %bb.1(0x40000000)
  ; MUBUF-NEXT:   liveins: $sgpr40, $sgpr41, $vgpr1
  ; MUBUF-NEXT: {{  $}}
  ; MUBUF-NEXT:   $sgpr40 = frame-setup COPY $sgpr33
  ; MUBUF-NEXT:   $sgpr33 = frame-setup S_ADD_I32 $sgpr32, 524224, implicit-def $scc
  ; MUBUF-NEXT:   $sgpr33 = frame-setup S_AND_B32 killed $sgpr33, 4294443008, implicit-def dead $scc
  ; MUBUF-NEXT:   $sgpr41 = frame-setup COPY $sgpr34
  ; MUBUF-NEXT:   $sgpr34 = frame-setup COPY $sgpr32
  ; MUBUF-NEXT:   $sgpr32 = frame-setup S_ADD_I32 $sgpr32, 11010048, implicit-def dead $scc
  ; MUBUF-NEXT:   S_CMP_EQ_U32 0, 0, implicit-def $scc
  ; MUBUF-NEXT:   S_NOP 0, implicit-def $sgpr4, implicit-def $sgpr5, implicit-def $sgpr6, implicit-def $sgpr7, implicit-def $sgpr8, implicit-def $sgpr9, implicit-def $sgpr10, implicit-def $sgpr11, implicit-def $sgpr12, implicit-def $sgpr13, implicit-def $sgpr14, implicit-def $sgpr15, implicit-def $sgpr16, implicit-def $sgpr17, implicit-def $sgpr18, implicit-def $sgpr19, implicit-def $sgpr20, implicit-def $sgpr21, implicit-def $sgpr22, implicit-def $sgpr23, implicit-def $sgpr24, implicit-def $sgpr25, implicit-def $sgpr26, implicit-def $sgpr27, implicit-def $sgpr28, implicit-def $sgpr29, implicit-def $sgpr30, implicit-def $sgpr31, implicit-def $vcc
  ; MUBUF-NEXT:   $vgpr0 = V_LSHRREV_B32_e64 6, $sgpr33, implicit $exec
  ; MUBUF-NEXT:   $vgpr0 = V_ADD_U32_e32 8192, killed $vgpr0, implicit $exec
  ; MUBUF-NEXT:   $vgpr2 = V_LSHRREV_B32_e64 6, $sgpr33, implicit $exec
  ; MUBUF-NEXT:   $vgpr2 = V_ADD_U32_e32 155648, killed $vgpr2, implicit $exec
  ; MUBUF-NEXT:   $vgpr0 = V_OR_B32_e32 killed $vgpr2, $vgpr1, implicit $exec, implicit $sgpr4, implicit $sgpr5, implicit $sgpr6, implicit $sgpr7, implicit $sgpr8, implicit $sgpr9, implicit $sgpr10, implicit $sgpr11, implicit $sgpr12, implicit $sgpr13, implicit $sgpr14, implicit $sgpr15, implicit $sgpr16, implicit $sgpr17, implicit $sgpr18, implicit $sgpr19, implicit $sgpr20, implicit $sgpr21, implicit $sgpr22, implicit $sgpr23, implicit $sgpr24, implicit $sgpr25, implicit $sgpr26, implicit $sgpr27, implicit $sgpr28, implicit $sgpr29, implicit $sgpr30, implicit $sgpr31
  ; MUBUF-NEXT:   S_CBRANCH_VCCNZ %bb.2, implicit $vcc
  ; MUBUF-NEXT:   S_CBRANCH_SCC1 %bb.2, implicit $scc
  ; MUBUF-NEXT: {{  $}}
  ; MUBUF-NEXT: bb.1:
  ; MUBUF-NEXT:   successors: %bb.2(0x80000000)
  ; MUBUF-NEXT:   liveins: $sgpr40, $sgpr41
  ; MUBUF-NEXT: {{  $}}
  ; MUBUF-NEXT:   S_NOP 0
  ; MUBUF-NEXT: {{  $}}
  ; MUBUF-NEXT: bb.2:
  ; MUBUF-NEXT:   liveins: $sgpr40, $sgpr41
  ; MUBUF-NEXT: {{  $}}
  ; MUBUF-NEXT:   $sgpr32 = frame-destroy COPY $sgpr34
  ; MUBUF-NEXT:   $sgpr34 = frame-destroy COPY $sgpr41
  ; MUBUF-NEXT:   $sgpr33 = frame-destroy COPY $sgpr40
  ; MUBUF-NEXT:   S_ENDPGM 0
  ;
  ; FLATSCR-LABEL: name: use_restore_frame_reg
  ; FLATSCR: bb.0:
  ; FLATSCR-NEXT:   successors: %bb.2(0x40000000), %bb.1(0x40000000)
  ; FLATSCR-NEXT:   liveins: $sgpr40, $sgpr41, $vgpr1
  ; FLATSCR-NEXT: {{  $}}
  ; FLATSCR-NEXT:   $sgpr40 = frame-setup COPY $sgpr33
  ; FLATSCR-NEXT:   $sgpr33 = frame-setup S_ADD_I32 $sgpr32, 8191, implicit-def $scc
  ; FLATSCR-NEXT:   $sgpr33 = frame-setup S_AND_B32 killed $sgpr33, 4294959104, implicit-def dead $scc
  ; FLATSCR-NEXT:   $sgpr41 = frame-setup COPY $sgpr34
  ; FLATSCR-NEXT:   $sgpr34 = frame-setup COPY $sgpr32
  ; FLATSCR-NEXT:   $sgpr32 = frame-setup S_ADD_I32 $sgpr32, 172032, implicit-def dead $scc
  ; FLATSCR-NEXT:   S_CMP_EQ_U32 0, 0, implicit-def $scc
  ; FLATSCR-NEXT:   S_NOP 0, implicit-def $sgpr4, implicit-def $sgpr5, implicit-def $sgpr6, implicit-def $sgpr7, implicit-def $sgpr8, implicit-def $sgpr9, implicit-def $sgpr10, implicit-def $sgpr11, implicit-def $sgpr12, implicit-def $sgpr13, implicit-def $sgpr14, implicit-def $sgpr15, implicit-def $sgpr16, implicit-def $sgpr17, implicit-def $sgpr18, implicit-def $sgpr19, implicit-def $sgpr20, implicit-def $sgpr21, implicit-def $sgpr22, implicit-def $sgpr23, implicit-def $sgpr24, implicit-def $sgpr25, implicit-def $sgpr26, implicit-def $sgpr27, implicit-def $sgpr28, implicit-def $sgpr29, implicit-def $sgpr30, implicit-def $sgpr31, implicit-def $vcc
  ; FLATSCR-NEXT:   $sgpr42 = S_ADDC_U32 $sgpr33, 8192, implicit-def $scc, implicit $scc
  ; FLATSCR-NEXT:   S_BITCMP1_B32 $sgpr42, 0, implicit-def $scc
  ; FLATSCR-NEXT:   $sgpr42 = S_BITSET0_B32 0, $sgpr42
  ; FLATSCR-NEXT:   $vgpr0 = V_MOV_B32_e32 killed $sgpr42, implicit $exec
  ; FLATSCR-NEXT:   $sgpr42 = S_ADDC_U32 $sgpr33, 155648, implicit-def $scc, implicit $scc
  ; FLATSCR-NEXT:   S_BITCMP1_B32 $sgpr42, 0, implicit-def $scc
  ; FLATSCR-NEXT:   $sgpr42 = S_BITSET0_B32 0, $sgpr42
  ; FLATSCR-NEXT:   $vgpr0 = V_OR_B32_e32 killed $sgpr42, $vgpr1, implicit $exec, implicit $sgpr4, implicit $sgpr5, implicit $sgpr6, implicit $sgpr7, implicit $sgpr8, implicit $sgpr9, implicit $sgpr10, implicit $sgpr11, implicit $sgpr12, implicit $sgpr13, implicit $sgpr14, implicit $sgpr15, implicit $sgpr16, implicit $sgpr17, implicit $sgpr18, implicit $sgpr19, implicit $sgpr20, implicit $sgpr21, implicit $sgpr22, implicit $sgpr23, implicit $sgpr24, implicit $sgpr25, implicit $sgpr26, implicit $sgpr27, implicit $sgpr28, implicit $sgpr29, implicit $sgpr30, implicit $sgpr31
  ; FLATSCR-NEXT:   S_CBRANCH_VCCNZ %bb.2, implicit $vcc
  ; FLATSCR-NEXT:   S_CBRANCH_SCC1 %bb.2, implicit $scc
  ; FLATSCR-NEXT: {{  $}}
  ; FLATSCR-NEXT: bb.1:
  ; FLATSCR-NEXT:   successors: %bb.2(0x80000000)
  ; FLATSCR-NEXT:   liveins: $sgpr40, $sgpr41
  ; FLATSCR-NEXT: {{  $}}
  ; FLATSCR-NEXT:   S_NOP 0
  ; FLATSCR-NEXT: {{  $}}
  ; FLATSCR-NEXT: bb.2:
  ; FLATSCR-NEXT:   liveins: $sgpr40, $sgpr41
  ; FLATSCR-NEXT: {{  $}}
  ; FLATSCR-NEXT:   $sgpr32 = frame-destroy COPY $sgpr34
  ; FLATSCR-NEXT:   $sgpr34 = frame-destroy COPY $sgpr41
  ; FLATSCR-NEXT:   $sgpr33 = frame-destroy COPY $sgpr40
  ; FLATSCR-NEXT:   S_ENDPGM 0
  bb.0:
    liveins: $vgpr1

    S_CMP_EQ_U32 0, 0, implicit-def $scc
    S_NOP 0, implicit-def $sgpr4, implicit-def $sgpr5, implicit-def $sgpr6, implicit-def $sgpr7, implicit-def $sgpr8, implicit-def $sgpr9, implicit-def $sgpr10, implicit-def $sgpr11, implicit-def $sgpr12, implicit-def $sgpr13, implicit-def $sgpr14, implicit-def $sgpr15, implicit-def $sgpr16, implicit-def $sgpr17, implicit-def $sgpr18, implicit-def $sgpr19, implicit-def $sgpr20, implicit-def $sgpr21, implicit-def $sgpr22, implicit-def $sgpr23, implicit-def $sgpr24, implicit-def $sgpr25, implicit-def $sgpr26, implicit-def $sgpr27, implicit-def $sgpr28, implicit-def $sgpr29, implicit-def $sgpr30, implicit-def $sgpr31, implicit-def $vcc
    $vgpr0 = V_MOV_B32_e32 %stack.0, implicit $exec
    $vgpr0 = V_OR_B32_e32 %stack.18, $vgpr1, implicit $exec, implicit $sgpr4, implicit $sgpr5, implicit $sgpr6, implicit $sgpr7, implicit $sgpr8, implicit $sgpr9, implicit $sgpr10, implicit $sgpr11, implicit $sgpr12, implicit $sgpr13, implicit $sgpr14, implicit $sgpr15, implicit $sgpr16, implicit $sgpr17, implicit $sgpr18, implicit $sgpr19, implicit $sgpr20, implicit $sgpr21, implicit $sgpr22, implicit $sgpr23, implicit $sgpr24, implicit $sgpr25, implicit $sgpr26, implicit $sgpr27, implicit $sgpr28, implicit $sgpr29, implicit $sgpr30, implicit $sgpr31
    S_CBRANCH_VCCNZ %bb.2, implicit $vcc
    S_CBRANCH_SCC1 %bb.2, implicit $scc

  bb.1:
    S_NOP 0

  bb.2:
    S_ENDPGM 0

...