fb28bf3fb4
After D133067 we are inserting swaps to use a new physical register. I have noticed verifier errors about undefined physical register uses if we are tracking liveness post RA. We have no access to LIS at this point, so mark new register uses as undef to calm down the verifier. Liveness should not matter at this point anyway. Note the description of the RegState::Undef: "Value of the register doesn't matter." I.e. it does not say it is strictly undefined. In fact that is what we really need: this value does not matter. I also had to modify the test a bit since with tracking enabled it does not pass verification even before the recognizer. Differential Revision: https://reviews.llvm.org/D133459
321 lines
13 KiB
YAML
321 lines
13 KiB
YAML
# NOTE: Assertions have been autogenerated by utils/update_mir_test_checks.py
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# RUN: llc -march=amdgcn -mcpu=gfx90a -verify-machineinstrs -run-pass post-RA-hazard-rec %s -o - | FileCheck -check-prefix=GCN %s
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---
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name: highest_reg_shift_amt_v7
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tracksRegLiveness: true
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body: |
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bb.0:
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; GCN-LABEL: name: highest_reg_shift_amt_v7
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; GCN: $vgpr7 = IMPLICIT_DEF
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; GCN-NEXT: $vgpr2_vgpr3 = IMPLICIT_DEF
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; GCN-NEXT: S_WAITCNT 0
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; GCN-NEXT: $vgpr0, $vgpr7 = V_SWAP_B32 undef $vgpr7, undef $vgpr0, implicit $exec
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; GCN-NEXT: renamable $vgpr2_vgpr3 = V_LSHRREV_B64_e64 undef $vgpr0, killed $vgpr2_vgpr3, implicit $exec
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; GCN-NEXT: $vgpr7, $vgpr0 = V_SWAP_B32 $vgpr0, $vgpr7, implicit $exec
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$vgpr7 = IMPLICIT_DEF
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$vgpr2_vgpr3 = IMPLICIT_DEF
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renamable $vgpr2_vgpr3 = V_LSHRREV_B64_e64 killed $vgpr7, killed $vgpr2_vgpr3, implicit $exec
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...
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---
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name: highest_reg_shift_amt_v15
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tracksRegLiveness: true
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body: |
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bb.0:
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; GCN-LABEL: name: highest_reg_shift_amt_v15
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; GCN: $vgpr15 = IMPLICIT_DEF
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; GCN-NEXT: $vgpr2_vgpr3 = IMPLICIT_DEF
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; GCN-NEXT: S_WAITCNT 0
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; GCN-NEXT: $vgpr0, $vgpr15 = V_SWAP_B32 undef $vgpr15, undef $vgpr0, implicit $exec
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; GCN-NEXT: renamable $vgpr2_vgpr3 = V_LSHRREV_B64_e64 undef $vgpr0, killed $vgpr2_vgpr3, implicit $exec
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; GCN-NEXT: $vgpr15, $vgpr0 = V_SWAP_B32 $vgpr0, $vgpr15, implicit $exec
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$vgpr15 = IMPLICIT_DEF
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$vgpr2_vgpr3 = IMPLICIT_DEF
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renamable $vgpr2_vgpr3 = V_LSHRREV_B64_e64 killed $vgpr15, killed $vgpr2_vgpr3, implicit $exec
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...
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---
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name: highest_reg_shift_amt_v255
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tracksRegLiveness: true
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body: |
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bb.0:
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; GCN-LABEL: name: highest_reg_shift_amt_v255
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; GCN: $vgpr255 = IMPLICIT_DEF
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; GCN-NEXT: $vgpr2_vgpr3 = IMPLICIT_DEF
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; GCN-NEXT: S_WAITCNT 0
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; GCN-NEXT: $vgpr0, $vgpr255 = V_SWAP_B32 undef $vgpr255, undef $vgpr0, implicit $exec
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; GCN-NEXT: renamable $vgpr2_vgpr3 = V_LSHRREV_B64_e64 undef $vgpr0, killed $vgpr2_vgpr3, implicit $exec
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; GCN-NEXT: $vgpr255, $vgpr0 = V_SWAP_B32 $vgpr0, $vgpr255, implicit $exec
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$vgpr255 = IMPLICIT_DEF
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$vgpr2_vgpr3 = IMPLICIT_DEF
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renamable $vgpr2_vgpr3 = V_LSHRREV_B64_e64 killed $vgpr255, killed $vgpr2_vgpr3, implicit $exec
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...
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---
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name: highest_reg_shift_amt_used_v0_dst
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tracksRegLiveness: true
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body: |
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bb.0:
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; GCN-LABEL: name: highest_reg_shift_amt_used_v0_dst
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; GCN: $vgpr7 = IMPLICIT_DEF
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; GCN-NEXT: $vgpr2_vgpr3 = IMPLICIT_DEF
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; GCN-NEXT: S_WAITCNT 0
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; GCN-NEXT: $vgpr4, $vgpr7 = V_SWAP_B32 undef $vgpr7, undef $vgpr4, implicit $exec
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; GCN-NEXT: renamable $vgpr0_vgpr1 = V_LSHRREV_B64_e64 undef $vgpr4, killed $vgpr2_vgpr3, implicit $exec
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; GCN-NEXT: $vgpr7, $vgpr4 = V_SWAP_B32 $vgpr4, $vgpr7, implicit $exec
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$vgpr7 = IMPLICIT_DEF
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$vgpr2_vgpr3 = IMPLICIT_DEF
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renamable $vgpr0_vgpr1 = V_LSHRREV_B64_e64 killed $vgpr7, killed $vgpr2_vgpr3, implicit $exec
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...
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---
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name: highest_reg_shift_amt_used_v0_src
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tracksRegLiveness: true
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body: |
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bb.0:
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; GCN-LABEL: name: highest_reg_shift_amt_used_v0_src
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; GCN: $vgpr7 = IMPLICIT_DEF
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; GCN-NEXT: $vgpr0_vgpr1 = IMPLICIT_DEF
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; GCN-NEXT: S_WAITCNT 0
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; GCN-NEXT: $vgpr4, $vgpr7 = V_SWAP_B32 undef $vgpr7, undef $vgpr4, implicit $exec
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; GCN-NEXT: renamable $vgpr2_vgpr3 = V_LSHRREV_B64_e64 undef $vgpr4, killed $vgpr0_vgpr1, implicit $exec
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; GCN-NEXT: $vgpr7, $vgpr4 = V_SWAP_B32 $vgpr4, $vgpr7, implicit $exec
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$vgpr7 = IMPLICIT_DEF
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$vgpr0_vgpr1 = IMPLICIT_DEF
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renamable $vgpr2_vgpr3 = V_LSHRREV_B64_e64 killed $vgpr7, killed $vgpr0_vgpr1, implicit $exec
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...
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---
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name: highest_reg_shift_amt_used_v0_both
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tracksRegLiveness: true
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body: |
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bb.0:
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; GCN-LABEL: name: highest_reg_shift_amt_used_v0_both
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; GCN: $vgpr7 = IMPLICIT_DEF
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; GCN-NEXT: $vgpr0_vgpr1 = IMPLICIT_DEF
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; GCN-NEXT: S_WAITCNT 0
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; GCN-NEXT: $vgpr2, $vgpr7 = V_SWAP_B32 undef $vgpr7, undef $vgpr2, implicit $exec
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; GCN-NEXT: renamable $vgpr0_vgpr1 = V_LSHRREV_B64_e64 undef $vgpr2, killed $vgpr0_vgpr1, implicit $exec
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; GCN-NEXT: $vgpr7, $vgpr2 = V_SWAP_B32 $vgpr2, $vgpr7, implicit $exec
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$vgpr7 = IMPLICIT_DEF
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$vgpr0_vgpr1 = IMPLICIT_DEF
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renamable $vgpr0_vgpr1 = V_LSHRREV_B64_e64 killed $vgpr7, killed $vgpr0_vgpr1, implicit $exec
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...
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---
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name: highest_reg_shift_amt_overlapped_src
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tracksRegLiveness: true
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body: |
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bb.0:
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; GCN-LABEL: name: highest_reg_shift_amt_overlapped_src
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; GCN: $vgpr7 = IMPLICIT_DEF
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; GCN-NEXT: $vgpr6_vgpr7 = IMPLICIT_DEF
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; GCN-NEXT: S_WAITCNT 0
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; GCN-NEXT: $vgpr2, $vgpr6 = V_SWAP_B32 undef $vgpr6, undef $vgpr2, implicit $exec
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; GCN-NEXT: $vgpr3, $vgpr7 = V_SWAP_B32 undef $vgpr7, undef $vgpr3, implicit $exec
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; GCN-NEXT: renamable $vgpr0_vgpr1 = V_LSHRREV_B64_e64 undef $vgpr3, undef $vgpr2_vgpr3, implicit $exec
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; GCN-NEXT: $vgpr6, $vgpr2 = V_SWAP_B32 $vgpr2, $vgpr6, implicit $exec
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; GCN-NEXT: $vgpr7, $vgpr3 = V_SWAP_B32 $vgpr3, $vgpr7, implicit $exec
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$vgpr7 = IMPLICIT_DEF
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$vgpr6_vgpr7 = IMPLICIT_DEF
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renamable $vgpr0_vgpr1 = V_LSHRREV_B64_e64 killed $vgpr7, killed $vgpr6_vgpr7, implicit $exec
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...
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---
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name: highest_reg_shift_amt_overlapped_dst
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tracksRegLiveness: true
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body: |
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bb.0:
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; GCN-LABEL: name: highest_reg_shift_amt_overlapped_dst
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; GCN: $vgpr7 = IMPLICIT_DEF
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; GCN-NEXT: $vgpr0_vgpr1 = IMPLICIT_DEF
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; GCN-NEXT: S_WAITCNT 0
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; GCN-NEXT: $vgpr2, $vgpr6 = V_SWAP_B32 undef $vgpr6, undef $vgpr2, implicit $exec
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; GCN-NEXT: $vgpr3, $vgpr7 = V_SWAP_B32 undef $vgpr7, undef $vgpr3, implicit $exec
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; GCN-NEXT: $vgpr2_vgpr3 = V_LSHRREV_B64_e64 undef $vgpr3, killed $vgpr0_vgpr1, implicit $exec
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; GCN-NEXT: $vgpr6, $vgpr2 = V_SWAP_B32 $vgpr2, $vgpr6, implicit $exec
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; GCN-NEXT: $vgpr7, $vgpr3 = V_SWAP_B32 $vgpr3, $vgpr7, implicit $exec
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$vgpr7 = IMPLICIT_DEF
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$vgpr0_vgpr1 = IMPLICIT_DEF
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renamable $vgpr6_vgpr7 = V_LSHRREV_B64_e64 killed $vgpr7, killed $vgpr0_vgpr1, implicit $exec
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...
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---
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name: highest_reg_shift_amt_overlapped_both
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tracksRegLiveness: true
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body: |
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bb.0:
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; GCN-LABEL: name: highest_reg_shift_amt_overlapped_both
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; GCN: $vgpr7 = IMPLICIT_DEF
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; GCN-NEXT: $vgpr6_vgpr7 = IMPLICIT_DEF
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; GCN-NEXT: S_WAITCNT 0
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; GCN-NEXT: $vgpr0, $vgpr6 = V_SWAP_B32 undef $vgpr6, undef $vgpr0, implicit $exec
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; GCN-NEXT: $vgpr1, $vgpr7 = V_SWAP_B32 undef $vgpr7, undef $vgpr1, implicit $exec
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; GCN-NEXT: $vgpr0_vgpr1 = V_LSHRREV_B64_e64 undef $vgpr1, undef $vgpr0_vgpr1, implicit $exec
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; GCN-NEXT: $vgpr6, $vgpr0 = V_SWAP_B32 $vgpr0, $vgpr6, implicit $exec
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; GCN-NEXT: $vgpr7, $vgpr1 = V_SWAP_B32 $vgpr1, $vgpr7, implicit $exec
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$vgpr7 = IMPLICIT_DEF
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$vgpr6_vgpr7 = IMPLICIT_DEF
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renamable $vgpr6_vgpr7 = V_LSHRREV_B64_e64 killed $vgpr7, killed $vgpr6_vgpr7, implicit $exec
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...
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---
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name: highest_reg_shift_amt_hazard_in_swap
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tracksRegLiveness: true
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body: |
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bb.0:
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; GCN-LABEL: name: highest_reg_shift_amt_hazard_in_swap
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; GCN: $vgpr7 = IMPLICIT_DEF
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; GCN-NEXT: $vgpr0_vgpr1 = IMPLICIT_DEF
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; GCN-NEXT: $vgpr4_vgpr5 = V_MFMA_F64_4X4X4F64_vgprcd_e64 $vgpr0_vgpr1, $vgpr0_vgpr1, $vgpr0_vgpr1, 0, 0, 0, implicit $mode, implicit $exec
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; GCN-NEXT: S_WAITCNT 0
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; GCN-NEXT: S_NOP 4
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; GCN-NEXT: $vgpr4, $vgpr7 = V_SWAP_B32 undef $vgpr7, undef $vgpr4, implicit $exec
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; GCN-NEXT: renamable $vgpr2_vgpr3 = V_LSHRREV_B64_e64 undef $vgpr4, killed $vgpr0_vgpr1, implicit $exec
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; GCN-NEXT: $vgpr7, $vgpr4 = V_SWAP_B32 $vgpr4, $vgpr7, implicit $exec
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$vgpr7 = IMPLICIT_DEF
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$vgpr0_vgpr1 = IMPLICIT_DEF
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$vgpr4_vgpr5 = V_MFMA_F64_4X4X4F64_vgprcd_e64 $vgpr0_vgpr1, $vgpr0_vgpr1, $vgpr0_vgpr1, 0, 0, 0, implicit $mode, implicit $exec
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renamable $vgpr2_vgpr3 = V_LSHRREV_B64_e64 killed $vgpr7, killed $vgpr0_vgpr1, implicit $exec
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...
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---
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name: highest_reg_shift_amt_hazard_in_swap2
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tracksRegLiveness: true
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body: |
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bb.0:
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; GCN-LABEL: name: highest_reg_shift_amt_hazard_in_swap2
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; GCN: $vgpr1 = IMPLICIT_DEF
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; GCN-NEXT: $vgpr7 = IMPLICIT_DEF
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; GCN-NEXT: $vgpr6_vgpr7 = IMPLICIT_DEF
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; GCN-NEXT: $vgpr1 = V_DOT4C_I32_I8_e32 $vgpr7, $vgpr7, $vgpr1, implicit $exec
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; GCN-NEXT: S_WAITCNT 0
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; GCN-NEXT: $vgpr0, $vgpr6 = V_SWAP_B32 undef $vgpr6, undef $vgpr0, implicit $exec
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; GCN-NEXT: S_NOP 0
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; GCN-NEXT: $vgpr1, $vgpr7 = V_SWAP_B32 undef $vgpr7, undef $vgpr1, implicit $exec
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; GCN-NEXT: $vgpr0_vgpr1 = V_LSHRREV_B64_e64 undef $vgpr1, undef $vgpr0_vgpr1, implicit $exec
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; GCN-NEXT: $vgpr6, $vgpr0 = V_SWAP_B32 $vgpr0, $vgpr6, implicit $exec
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; GCN-NEXT: $vgpr7, $vgpr1 = V_SWAP_B32 $vgpr1, $vgpr7, implicit $exec
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$vgpr1 = IMPLICIT_DEF
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$vgpr7 = IMPLICIT_DEF
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$vgpr6_vgpr7 = IMPLICIT_DEF
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$vgpr1 = V_DOT4C_I32_I8_e32 $vgpr7, $vgpr7, $vgpr1, implicit $exec
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renamable $vgpr6_vgpr7 = V_LSHRREV_B64_e64 killed $vgpr7, killed $vgpr6_vgpr7, implicit $exec
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...
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---
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name: highest_reg_shift_amt_v7_bundle
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tracksRegLiveness: true
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body: |
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bb.0:
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; GCN-LABEL: name: highest_reg_shift_amt_v7_bundle
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; GCN: $vgpr7 = IMPLICIT_DEF
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; GCN-NEXT: $vgpr2_vgpr3 = IMPLICIT_DEF
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; GCN-NEXT: BUNDLE implicit-def $vgpr2_vgpr3, implicit-def $vgpr7 {
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; GCN-NEXT: S_WAITCNT 0
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; GCN-NEXT: $vgpr0, $vgpr7 = V_SWAP_B32 undef $vgpr7, undef $vgpr0, implicit $exec
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; GCN-NEXT: renamable $vgpr2_vgpr3 = V_LSHRREV_B64_e64 undef $vgpr0, killed $vgpr2_vgpr3, implicit $exec
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; GCN-NEXT: }
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; GCN-NEXT: $vgpr7, $vgpr0 = V_SWAP_B32 $vgpr0, $vgpr7, implicit $exec
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$vgpr7 = IMPLICIT_DEF
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$vgpr2_vgpr3 = IMPLICIT_DEF
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BUNDLE implicit-def $vgpr2_vgpr3, implicit-def $vgpr7 {
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renamable $vgpr2_vgpr3 = V_LSHRREV_B64_e64 $vgpr7, killed $vgpr2_vgpr3, implicit $exec
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}
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...
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---
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name: highest_reg_shift_amt_hazard_in_swap2_bundle
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tracksRegLiveness: true
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body: |
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bb.0:
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; GCN-LABEL: name: highest_reg_shift_amt_hazard_in_swap2_bundle
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; GCN: $vgpr1 = IMPLICIT_DEF
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; GCN-NEXT: $vgpr7 = IMPLICIT_DEF
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; GCN-NEXT: $vgpr6_vgpr7 = IMPLICIT_DEF
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; GCN-NEXT: BUNDLE internal $vgpr7, implicit-def $vgpr1, implicit-def $vgpr6_vgpr7 {
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; GCN-NEXT: $vgpr1 = IMPLICIT_DEF
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; GCN-NEXT: $vgpr7 = IMPLICIT_DEF
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; GCN-NEXT: $vgpr6_vgpr7 = IMPLICIT_DEF
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; GCN-NEXT: $vgpr1 = V_DOT4C_I32_I8_e32 $vgpr7, $vgpr7, $vgpr1, implicit $exec
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; GCN-NEXT: S_WAITCNT 0
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; GCN-NEXT: $vgpr0, $vgpr6 = V_SWAP_B32 undef $vgpr6, undef $vgpr0, implicit $exec
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; GCN-NEXT: S_NOP 0
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; GCN-NEXT: $vgpr1, $vgpr7 = V_SWAP_B32 undef $vgpr7, undef $vgpr1, implicit $exec
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; GCN-NEXT: $vgpr0_vgpr1 = V_LSHRREV_B64_e64 undef $vgpr1, undef $vgpr0_vgpr1, implicit $exec
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; GCN-NEXT: }
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; GCN-NEXT: $vgpr6, $vgpr0 = V_SWAP_B32 $vgpr0, $vgpr6, implicit $exec
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; GCN-NEXT: $vgpr7, $vgpr1 = V_SWAP_B32 $vgpr1, $vgpr7, implicit $exec
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$vgpr1 = IMPLICIT_DEF
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$vgpr7 = IMPLICIT_DEF
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$vgpr6_vgpr7 = IMPLICIT_DEF
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BUNDLE implicit-def $vgpr1, implicit-def $vgpr6_vgpr7, internal $vgpr7 {
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$vgpr1 = IMPLICIT_DEF
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$vgpr7 = IMPLICIT_DEF
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$vgpr6_vgpr7 = IMPLICIT_DEF
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$vgpr1 = V_DOT4C_I32_I8_e32 $vgpr7, $vgpr7, $vgpr1, implicit $exec
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renamable $vgpr6_vgpr7 = V_LSHRREV_B64_e64 killed $vgpr7, killed $vgpr6_vgpr7, implicit $exec
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}
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...
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---
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name: highest_reg_shift_amt_v7_defined
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tracksRegLiveness: true
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body: |
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bb.0:
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; GCN-LABEL: name: highest_reg_shift_amt_v7_defined
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; GCN: $vgpr0 = IMPLICIT_DEF
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; GCN-NEXT: $vgpr7 = IMPLICIT_DEF
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; GCN-NEXT: $vgpr2_vgpr3 = IMPLICIT_DEF
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; GCN-NEXT: S_WAITCNT 0
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; GCN-NEXT: $vgpr0, $vgpr7 = V_SWAP_B32 undef $vgpr7, undef $vgpr0, implicit $exec
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; GCN-NEXT: renamable $vgpr2_vgpr3 = V_LSHRREV_B64_e64 undef $vgpr0, killed $vgpr2_vgpr3, implicit $exec
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; GCN-NEXT: $vgpr7, $vgpr0 = V_SWAP_B32 $vgpr0, $vgpr7, implicit $exec
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$vgpr0 = IMPLICIT_DEF
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$vgpr7 = IMPLICIT_DEF
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$vgpr2_vgpr3 = IMPLICIT_DEF
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renamable $vgpr2_vgpr3 = V_LSHRREV_B64_e64 killed $vgpr7, killed $vgpr2_vgpr3, implicit $exec
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...
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---
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name: highest_reg_shift_amt_hazard_in_swap2_defined
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tracksRegLiveness: true
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body: |
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bb.0:
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; GCN-LABEL: name: highest_reg_shift_amt_hazard_in_swap2_defined
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; GCN: $vgpr0 = IMPLICIT_DEF
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; GCN-NEXT: $vgpr1 = IMPLICIT_DEF
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; GCN-NEXT: $vgpr7 = IMPLICIT_DEF
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; GCN-NEXT: $vgpr6_vgpr7 = IMPLICIT_DEF
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; GCN-NEXT: $vgpr1 = V_DOT4C_I32_I8_e32 $vgpr7, $vgpr7, $vgpr1, implicit $exec
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; GCN-NEXT: S_WAITCNT 0
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; GCN-NEXT: $vgpr0, $vgpr6 = V_SWAP_B32 undef $vgpr6, undef $vgpr0, implicit $exec
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; GCN-NEXT: S_NOP 0
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; GCN-NEXT: $vgpr1, $vgpr7 = V_SWAP_B32 undef $vgpr7, undef $vgpr1, implicit $exec
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; GCN-NEXT: $vgpr0_vgpr1 = V_LSHRREV_B64_e64 undef $vgpr1, undef $vgpr0_vgpr1, implicit $exec
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; GCN-NEXT: $vgpr6, $vgpr0 = V_SWAP_B32 $vgpr0, $vgpr6, implicit $exec
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; GCN-NEXT: $vgpr7, $vgpr1 = V_SWAP_B32 $vgpr1, $vgpr7, implicit $exec
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$vgpr0 = IMPLICIT_DEF
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$vgpr1 = IMPLICIT_DEF
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$vgpr7 = IMPLICIT_DEF
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$vgpr6_vgpr7 = IMPLICIT_DEF
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$vgpr1 = V_DOT4C_I32_I8_e32 $vgpr7, $vgpr7, $vgpr1, implicit $exec
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renamable $vgpr6_vgpr7 = V_LSHRREV_B64_e64 killed $vgpr7, killed $vgpr6_vgpr7, implicit $exec
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...
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