xref: /llvm-project/llvm/test/tools/llvm-reduce/mir/reduce-register-hints.mir (revision 59328ab0ce4ba9c4018a636752a48c9363c2a98f) 
1# REQUIRES: amdgpu-registered-target
2# 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
3# RUN: FileCheck --check-prefix=RESULT %s < %t
4
5# CHECK-INTERESTINGNESS: - { id: 0, class: vgpr_32, preferred-register: '$vgpr0' }
6# CHECK-INTERESTINGNESS: - { id: 2, class: vgpr_32, preferred-register: '%1' }
7# CHECK-INTERESTINGNESS-COUNT-5: V_MOV_B32
8
9# RESULT: registers:
10# RESULT-NEXT: - { id: 0, class: vgpr_32, preferred-register: '$vgpr0' }
11# RESULT-NEXT: - { id: 1, class: vgpr_32 }
12# RESULT-NEXT: - { id: 2, class: vgpr_32, preferred-register: '%1' }
13# RESULT-NEXT: - { id: 3, class: vgpr_32 }
14# RESULT-NEXT: - { id: 4, class: vgpr_32 }
15
16---
17name: func
18tracksRegLiveness: true
19registers:
20  - { id: 0, class: vgpr_32, preferred-register: '$vgpr0' }
21  - { id: 1, class: vgpr_32, preferred-register: '' }
22  - { id: 2, class: vgpr_32, preferred-register: '%1' }
23  - { id: 3, class: vgpr_32, preferred-register: '%4' }
24  - { id: 4, class: vgpr_32, preferred-register: '%3' }
25body:             |
26  bb.0:
27    liveins: $vgpr0, $vgpr1
28
29    S_WAITCNT 0
30    %0:vgpr_32 = V_MOV_B32_e32 0, implicit $exec
31    %1:vgpr_32 = V_MOV_B32_e32 1, implicit $exec
32    %2:vgpr_32 = V_MOV_B32_e32 2, implicit $exec
33    %3:vgpr_32 = V_MOV_B32_e32 3, implicit $exec
34    %4:vgpr_32 = V_MOV_B32_e32 4, implicit $exec
35    S_NOP 0
36    S_ENDPGM 0, implicit %0, implicit %1, implicit %2, implicit %3, implicit %4
37...
38
39