1# RUN: llc -march=amdgcn -verify-machineinstrs -run-pass si-wqm -o -  %s | FileCheck %s
2
3---
4# Check for awareness that s_or_saveexec_b64 clobbers SCC
5#
6#CHECK: S_OR_SAVEEXEC_B64
7#CHECK: S_CMP_LT_I32
8#CHECK: S_CSELECT_B32
9name:            test_wwm_scc
10alignment:       0
11exposesReturnsTwice: false
12legalized:       false
13regBankSelected: false
14selected:        false
15tracksRegLiveness: true
16registers:
17  - { id: 0, class: sgpr_32, preferred-register: '' }
18  - { id: 1, class: sgpr_32, preferred-register: '' }
19  - { id: 2, class: sgpr_32, preferred-register: '' }
20  - { id: 3, class: vgpr_32, preferred-register: '' }
21  - { id: 4, class: vgpr_32, preferred-register: '' }
22  - { id: 5, class: sgpr_32, preferred-register: '' }
23  - { id: 6, class: vgpr_32, preferred-register: '' }
24  - { id: 7, class: vgpr_32, preferred-register: '' }
25  - { id: 8, class: sreg_32_xm0, preferred-register: '' }
26  - { id: 9, class: sreg_32, preferred-register: '' }
27  - { id: 10, class: sreg_32, preferred-register: '' }
28  - { id: 11, class: vgpr_32, preferred-register: '' }
29  - { id: 12, class: vgpr_32, preferred-register: '' }
30liveins:
31  - { reg: '$sgpr0', virtual-reg: '%0' }
32  - { reg: '$sgpr1', virtual-reg: '%1' }
33  - { reg: '$sgpr2', virtual-reg: '%2' }
34  - { reg: '$vgpr0', virtual-reg: '%3' }
35body:             |
36  bb.0:
37    liveins: $sgpr0, $sgpr1, $sgpr2, $vgpr0
38
39    %3 = COPY $vgpr0
40    %2 = COPY $sgpr2
41    %1 = COPY $sgpr1
42    %0 = COPY $sgpr0
43    S_CMP_LT_I32 0, %0, implicit-def $scc
44    %12 = V_ADD_I32_e32 %3, %3, implicit-def $vcc, implicit $exec
45    %5 = S_CSELECT_B32 %2, %1, implicit $scc
46    %11 = V_ADD_I32_e32 %5, %12, implicit-def $vcc, implicit $exec
47    $vgpr0 = WWM %11, implicit $exec
48    SI_RETURN_TO_EPILOG $vgpr0
49
50...
51