1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
|
; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py
; RUN: llc -mtriple=amdgcn--amdhsa -verify-machineinstrs < %s | FileCheck -check-prefix=GCN %s
declare i32 @llvm.amdgcn.lds.kernel.id()
declare i32 @llvm.amdgcn.workgroup.id.x()
define void @function_lds_id(ptr addrspace(1) %out) {
; GCN-LABEL: function_lds_id:
; GCN: ; %bb.0:
; GCN-NEXT: s_waitcnt vmcnt(0) expcnt(0) lgkmcnt(0)
; GCN-NEXT: s_add_i32 s4, s15, s12
; GCN-NEXT: v_mov_b32_e32 v2, s4
; GCN-NEXT: flat_store_dword v[0:1], v2
; GCN-NEXT: s_waitcnt vmcnt(0)
; GCN-NEXT: s_setpc_b64 s[30:31]
%tmp0 = call i32 @llvm.amdgcn.lds.kernel.id()
%help = call i32 @llvm.amdgcn.workgroup.id.x()
%both = add i32 %tmp0, %help
store i32 %both, ptr addrspace(1) %out
ret void
}
define amdgpu_kernel void @kernel_lds_id(ptr addrspace(1) %out) !llvm.amdgcn.lds.kernel.id !0 {
; GCN-LABEL: kernel_lds_id:
; GCN: ; %bb.0:
; GCN-NEXT: s_mov_b32 flat_scratch_lo, s13
; GCN-NEXT: s_add_i32 s12, s12, s17
; GCN-NEXT: s_lshr_b32 flat_scratch_hi, s12, 8
; GCN-NEXT: s_load_dwordx2 s[0:1], s[8:9], 0x0
; GCN-NEXT: s_add_i32 s2, s14, 42
; GCN-NEXT: v_mov_b32_e32 v2, s2
; GCN-NEXT: s_waitcnt lgkmcnt(0)
; GCN-NEXT: v_mov_b32_e32 v0, s0
; GCN-NEXT: v_mov_b32_e32 v1, s1
; GCN-NEXT: flat_store_dword v[0:1], v2
; GCN-NEXT: s_endpgm
%tmp0 = call i32 @llvm.amdgcn.lds.kernel.id()
%help = call i32 @llvm.amdgcn.workgroup.id.x()
%both = add i32 %tmp0, %help
store i32 %both, ptr addrspace(1) %out
ret void
}
define amdgpu_kernel void @indirect_lds_id(ptr addrspace(1) %out) !llvm.amdgcn.lds.kernel.id !1 {
; GCN-LABEL: indirect_lds_id:
; GCN: ; %bb.0:
; GCN-NEXT: s_mov_b32 s32, 0
; GCN-NEXT: s_mov_b32 flat_scratch_lo, s13
; GCN-NEXT: s_add_i32 s12, s12, s17
; GCN-NEXT: s_lshr_b32 flat_scratch_hi, s12, 8
; GCN-NEXT: s_add_u32 s0, s0, s17
; GCN-NEXT: s_addc_u32 s1, s1, 0
; GCN-NEXT: s_mov_b32 s13, s15
; GCN-NEXT: s_mov_b32 s12, s14
; GCN-NEXT: s_load_dwordx2 s[18:19], s[8:9], 0x0
; GCN-NEXT: s_add_u32 s8, s8, 8
; GCN-NEXT: v_lshlrev_b32_e32 v2, 20, v2
; GCN-NEXT: s_addc_u32 s9, s9, 0
; GCN-NEXT: s_getpc_b64 s[14:15]
; GCN-NEXT: s_add_u32 s14, s14, function_lds_id@gotpcrel32@lo+4
; GCN-NEXT: s_addc_u32 s15, s15, function_lds_id@gotpcrel32@hi+12
; GCN-NEXT: s_load_dwordx2 s[20:21], s[14:15], 0x0
; GCN-NEXT: v_lshlrev_b32_e32 v1, 10, v1
; GCN-NEXT: v_or_b32_e32 v0, v0, v1
; GCN-NEXT: v_or_b32_e32 v31, v0, v2
; GCN-NEXT: s_mov_b32 s15, 21
; GCN-NEXT: s_mov_b32 s14, s16
; GCN-NEXT: s_waitcnt lgkmcnt(0)
; GCN-NEXT: v_mov_b32_e32 v0, s18
; GCN-NEXT: v_mov_b32_e32 v1, s19
; GCN-NEXT: s_swappc_b64 s[30:31], s[20:21]
; GCN-NEXT: s_endpgm
call void @function_lds_id(ptr addrspace(1) %out)
ret void
}
define amdgpu_kernel void @doesnt_use_it(ptr addrspace(1) %out) !llvm.amdgcn.lds.kernel.id !0 {
; GCN-LABEL: doesnt_use_it:
; GCN: ; %bb.0:
; GCN-NEXT: s_mov_b32 flat_scratch_lo, s13
; GCN-NEXT: s_add_i32 s12, s12, s17
; GCN-NEXT: s_lshr_b32 flat_scratch_hi, s12, 8
; GCN-NEXT: s_load_dwordx2 s[0:1], s[8:9], 0x0
; GCN-NEXT: v_mov_b32_e32 v2, 0x64
; GCN-NEXT: s_waitcnt lgkmcnt(0)
; GCN-NEXT: v_mov_b32_e32 v0, s0
; GCN-NEXT: v_mov_b32_e32 v1, s1
; GCN-NEXT: flat_store_dword v[0:1], v2
; GCN-NEXT: s_endpgm
store i32 100, ptr addrspace(1) %out
ret void
}
!0 = !{i32 42}
!1 = !{i32 21}
|