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# REQUIRES: amdgpu-registered-target
# RUN: llvm-reduce -abort-on-invalid-reduction -simplify-mir --delta-passes=register-hints -mtriple=amdgcn-amd-amdhsa --test FileCheck --test-arg --check-prefix=CHECK-INTERESTINGNESS --test-arg %s --test-arg --input-file %s -o %t 2> %t.log
# RUN: FileCheck --check-prefix=RESULT %s < %t
# CHECK-INTERESTINGNESS: - { id: 0, class: vgpr_32, preferred-register: '$vgpr0' }
# CHECK-INTERESTINGNESS: - { id: 2, class: vgpr_32, preferred-register: '%1' }
# CHECK-INTERESTINGNESS-COUNT-5: V_MOV_B32
# RESULT: registers:
# RESULT-NEXT: - { id: 0, class: vgpr_32, preferred-register: '$vgpr0' }
# RESULT-NEXT: - { id: 1, class: vgpr_32 }
# RESULT-NEXT: - { id: 2, class: vgpr_32, preferred-register: '%1' }
# RESULT-NEXT: - { id: 3, class: vgpr_32 }
# RESULT-NEXT: - { id: 4, class: vgpr_32 }
---
name: func
tracksRegLiveness: true
registers:
- { id: 0, class: vgpr_32, preferred-register: '$vgpr0' }
- { id: 1, class: vgpr_32, preferred-register: '' }
- { id: 2, class: vgpr_32, preferred-register: '%1' }
- { id: 3, class: vgpr_32, preferred-register: '%4' }
- { id: 4, class: vgpr_32, preferred-register: '%3' }
body: |
bb.0:
liveins: $vgpr0, $vgpr1
S_WAITCNT 0
%0:vgpr_32 = V_MOV_B32_e32 0, implicit $exec
%1:vgpr_32 = V_MOV_B32_e32 1, implicit $exec
%2:vgpr_32 = V_MOV_B32_e32 2, implicit $exec
%3:vgpr_32 = V_MOV_B32_e32 3, implicit $exec
%4:vgpr_32 = V_MOV_B32_e32 4, implicit $exec
S_NOP 0
S_ENDPGM 0, implicit %0, implicit %1, implicit %2, implicit %3, implicit %4
...
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