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1# NOTE: Assertions have been autogenerated by utils/update_mir_test_checks.py
2# RUN: llc -mtriple=amdgcn-amd-amdhsa -mcpu=gfx900 -verify-machineinstrs -run-pass=prologepilog %s -o - | FileCheck --check-prefix=MUBUF %s
3# RUN: llc -mtriple=amdgcn-amd-amdhsa -mcpu=gfx900 -verify-machineinstrs -run-pass=prologepilog -amdgpu-enable-flat-scratch %s -o - | FileCheck --check-prefix=FLATSCR %s
4
5# Test what happens when an SGPR is unavailable for the unused add. The non-inline constant needs to be folded into the add instruction and not materialized in a register.
6
7---
8name: scavenge_sgpr_pei_no_sgprs
9tracksRegLiveness: true
10
11stack:
12  - { id: 0, type: default, offset: 0, size: 4, alignment: 8192 }
13  - { id: 1, type: default, offset: 0, size: 4, alignment: 8192 }
14
15machineFunctionInfo:
16  isEntryFunction: false
17  scratchRSrcReg:  $sgpr0_sgpr1_sgpr2_sgpr3
18  frameOffsetReg:  $sgpr33
19  stackPtrOffsetReg:  $sgpr32
20
21body:             |
22  bb.0:
23    liveins: $vgpr1
24
25    ; MUBUF-LABEL: name: scavenge_sgpr_pei_no_sgprs
26    ; MUBUF: liveins: $sgpr27, $vgpr1
27    ; MUBUF: $sgpr27 = frame-setup COPY $sgpr33
28    ; MUBUF: $sgpr4 = frame-setup S_ADD_U32 $sgpr32, 524224, implicit-def $scc
29    ; MUBUF: $sgpr33 = frame-setup S_AND_B32 killed $sgpr4, 4294443008, implicit-def $scc
30    ; MUBUF: $sgpr32 = frame-setup S_ADD_U32 $sgpr32, 1572864, implicit-def $scc
31    ; MUBUF: 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 $sgpr17, implicit-def $sgpr28, implicit-def $sgpr29, implicit-def $sgpr30, implicit-def $sgpr31, implicit-def $vcc
32    ; MUBUF: $vgpr0 = V_LSHRREV_B32_e64 6, $sgpr33, implicit $exec
33    ; MUBUF: $vgpr2 = V_LSHRREV_B32_e64 6, $sgpr33, implicit $exec
34    ; MUBUF: $vgpr2 = V_ADD_U32_e32 8192, killed $vgpr2, implicit $exec
35    ; MUBUF: $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 $sgpr17, implicit $sgpr28, implicit $sgpr29, implicit $sgpr30, implicit $sgpr31
36    ; MUBUF: $sgpr32 = frame-destroy S_SUB_U32 $sgpr32, 1572864, implicit-def $scc
37    ; MUBUF: $sgpr33 = frame-setup COPY $sgpr27
38    ; MUBUF: S_ENDPGM 0, implicit $vcc
39    ; FLATSCR-LABEL: name: scavenge_sgpr_pei_no_sgprs
40    ; FLATSCR: liveins: $sgpr27, $vgpr1
41    ; FLATSCR: $sgpr27 = frame-setup COPY $sgpr33
42    ; FLATSCR: $sgpr4 = frame-setup S_ADD_U32 $sgpr32, 8191, implicit-def $scc
43    ; FLATSCR: $sgpr33 = frame-setup S_AND_B32 killed $sgpr4, 4294959104, implicit-def $scc
44    ; FLATSCR: $sgpr32 = frame-setup S_ADD_U32 $sgpr32, 24576, implicit-def $scc
45    ; FLATSCR: 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 $sgpr17, implicit-def $sgpr28, implicit-def $sgpr29, implicit-def $sgpr30, implicit-def $sgpr31, implicit-def $vcc
46    ; FLATSCR: $vgpr0 = V_MOV_B32_e32 $sgpr33, implicit $exec
47    ; FLATSCR: $sgpr33 = S_ADD_U32 $sgpr33, 8192, implicit-def $scc
48    ; FLATSCR: $vgpr0 = V_OR_B32_e32 $sgpr33, $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 $sgpr17, implicit $sgpr28, implicit $sgpr29, implicit $sgpr30, implicit $sgpr31
49    ; FLATSCR: $sgpr33 = S_SUB_U32 $sgpr33, 8192, implicit-def $scc
50    ; FLATSCR: $sgpr32 = frame-destroy S_SUB_U32 $sgpr32, 24576, implicit-def $scc
51    ; FLATSCR: $sgpr33 = frame-setup COPY $sgpr27
52    ; FLATSCR: S_ENDPGM 0, implicit $vcc
53    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 $sgpr17, implicit-def $sgpr28, implicit-def $sgpr29, implicit-def $sgpr30, implicit-def $sgpr31, implicit-def $vcc
54    $vgpr0 = V_MOV_B32_e32 %stack.0, implicit $exec
55    $vgpr0 = V_OR_B32_e32 %stack.1, $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 $sgpr17, implicit $sgpr28, implicit $sgpr29, implicit $sgpr30, implicit $sgpr31
56    S_ENDPGM 0, implicit $vcc
57...
58