1# RUN: llc -march=amdgcn -run-pass simple-register-coalescing -o - %s | FileCheck %s
2# Check that %11 and %20 have been coalesced.
3# CHECK: IMAGE_SAMPLE_C_D_O_V1_V16 %[[REG:[0-9]+]]
4# CHECK: IMAGE_SAMPLE_C_D_O_V1_V16 %[[REG]]
5
6---
7name:            main
8alignment:       0
9tracksRegLiveness: true
10registers:
11  - { id: 0, class: sreg_64 }
12  - { id: 1, class: vgpr_32 }
13  - { id: 2, class: vgpr_32 }
14  - { id: 3, class: sreg_256 }
15  - { id: 4, class: sreg_128 }
16  - { id: 5, class: sreg_256 }
17  - { id: 6, class: sreg_128 }
18  - { id: 7, class: sreg_512 }
19  - { id: 9, class: vreg_512 }
20  - { id: 11, class: vreg_512 }
21  - { id: 18, class: vgpr_32 }
22  - { id: 20, class: vreg_512 }
23  - { id: 27, class: vgpr_32 }
24liveins:
25  - { reg: '$sgpr2_sgpr3', virtual-reg: '%0' }
26  - { reg: '$vgpr2', virtual-reg: '%1' }
27  - { reg: '$vgpr3', virtual-reg: '%2' }
28frameInfo:
29  isFrameAddressTaken: false
30  isReturnAddressTaken: false
31  hasStackMap:     false
32  hasPatchPoint:   false
33  stackSize:       0
34  offsetAdjustment: 0
35  maxAlignment:    0
36  adjustsStack:    false
37  hasCalls:        false
38  maxCallFrameSize: 0
39  hasOpaqueSPAdjustment: false
40  hasVAStart:      false
41  hasMustTailInVarArgFunc: false
42body:             |
43  bb.0:
44    liveins: $sgpr2_sgpr3, $vgpr2, $vgpr3
45
46    %0 = COPY $sgpr2_sgpr3
47    %1 = COPY $vgpr2
48    %2 = COPY $vgpr3
49    %3 = S_LOAD_DWORDX8_IMM %0, 0, 0
50    %4 = S_LOAD_DWORDX4_IMM %0, 12, 0
51    %5 = S_LOAD_DWORDX8_IMM %0, 16, 0
52    %6 = S_LOAD_DWORDX4_IMM %0, 28, 0
53    undef %7.sub0 = S_MOV_B32 212739
54    %20 = COPY %7
55    %11 = COPY %20
56    %11.sub1 = COPY %1
57    %11.sub2 = COPY %1
58    %11.sub3 = COPY %1
59    %11.sub4 = COPY %1
60    %11.sub5 = COPY %1
61    %11.sub6 = COPY %1
62    %11.sub7 = COPY %1
63    %11.sub8 = COPY %1
64    dead %18 = IMAGE_SAMPLE_C_D_O_V1_V16 %11, %3, %4, 1, 0, 0, 0, 0, 0, 0, -1, 0, implicit $exec
65    %20.sub1 = COPY %2
66    %20.sub2 = COPY %2
67    %20.sub3 = COPY %2
68    %20.sub4 = COPY %2
69    %20.sub5 = COPY %2
70    %20.sub6 = COPY %2
71    %20.sub7 = COPY %2
72    %20.sub8 = COPY %2
73    dead %27 = IMAGE_SAMPLE_C_D_O_V1_V16 %20, %5, %6, 1, 0, 0, 0, 0, 0, 0, -1, 0, implicit $exec
74
75...
76