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
97
98
99
100
|
; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py UTC_ARGS: --version 5
; RUN: llc -global-isel=0 -mtriple=amdgcn -mcpu=gfx1250 < %s | FileCheck --check-prefix=GCN %s
; RUN: llc -global-isel=1 -mtriple=amdgcn -mcpu=gfx1250 < %s | FileCheck --check-prefix=GCN %s
declare void @llvm.amdgcn.flat.prefetch(ptr %ptr, i32 %col)
define amdgpu_ps void @flat_prefetch(ptr %ptr) {
; GCN-LABEL: flat_prefetch:
; GCN: ; %bb.0: ; %entry
; GCN-NEXT: flat_prefetch_b8 v[0:1]
; GCN-NEXT: s_endpgm
entry:
tail call void @llvm.amdgcn.flat.prefetch(ptr %ptr, i32 0)
ret void
}
define amdgpu_ps void @flat_prefetch_sgpr(ptr inreg %ptr) {
; GCN-LABEL: flat_prefetch_sgpr:
; GCN: ; %bb.0: ; %entry
; GCN-NEXT: v_mov_b32_e32 v0, 0
; GCN-NEXT: flat_prefetch_b8 v0, s[0:1]
; GCN-NEXT: s_endpgm
entry:
tail call void @llvm.amdgcn.flat.prefetch(ptr %ptr, i32 0)
ret void
}
define amdgpu_ps void @flat_prefetch_offset(ptr %ptr) {
; GCN-LABEL: flat_prefetch_offset:
; GCN: ; %bb.0: ; %entry
; GCN-NEXT: flat_prefetch_b8 v[0:1] offset:512
; GCN-NEXT: s_endpgm
entry:
%gep = getelementptr i32, ptr %ptr, i32 128
tail call void @llvm.amdgcn.flat.prefetch(ptr %gep, i32 0)
ret void
}
define amdgpu_ps void @flat_prefetch_sgpr_voffset(ptr inreg %ptr, i32 %offset) {
; GCN-LABEL: flat_prefetch_sgpr_voffset:
; GCN: ; %bb.0: ; %entry
; GCN-NEXT: flat_prefetch_b8 v0, s[0:1]
; GCN-NEXT: s_endpgm
entry:
%gep = getelementptr i8, ptr %ptr, i32 %offset
tail call void @llvm.amdgcn.flat.prefetch(ptr %gep, i32 0)
ret void
}
define amdgpu_ps void @flat_prefetch_sgpr_voffset_offset(ptr inreg %ptr, i32 %offset) {
; GCN-LABEL: flat_prefetch_sgpr_voffset_offset:
; GCN: ; %bb.0: ; %entry
; GCN-NEXT: flat_prefetch_b8 v0, s[0:1] offset:128
; GCN-NEXT: s_endpgm
entry:
%gep1 = getelementptr i8, ptr %ptr, i32 %offset
%gep2 = getelementptr i8, ptr %gep1, i32 128
tail call void @llvm.amdgcn.flat.prefetch(ptr %gep2, i32 0)
ret void
}
define amdgpu_ps void @flat_prefetch_se(ptr %ptr) {
; GCN-LABEL: flat_prefetch_se:
; GCN: ; %bb.0: ; %entry
; GCN-NEXT: flat_prefetch_b8 v[0:1] scope:SCOPE_SE
; GCN-NEXT: s_endpgm
entry:
tail call void @llvm.amdgcn.flat.prefetch(ptr %ptr, i32 8)
ret void
}
define amdgpu_ps void @flat_prefetch_se_nt(ptr %ptr) {
; GCN-LABEL: flat_prefetch_se_nt:
; GCN: ; %bb.0: ; %entry
; GCN-NEXT: flat_prefetch_b8 v[0:1] th:TH_LOAD_NT scope:SCOPE_SE
; GCN-NEXT: s_endpgm
entry:
tail call void @llvm.amdgcn.flat.prefetch(ptr %ptr, i32 9)
ret void
}
define amdgpu_ps void @flat_prefetch_dev_ht(ptr %ptr) {
; GCN-LABEL: flat_prefetch_dev_ht:
; GCN: ; %bb.0: ; %entry
; GCN-NEXT: flat_prefetch_b8 v[0:1] th:TH_LOAD_HT scope:SCOPE_DEV
; GCN-NEXT: s_endpgm
entry:
tail call void @llvm.amdgcn.flat.prefetch(ptr %ptr, i32 18)
ret void
}
define amdgpu_ps void @flat_prefetch_sys_lu(ptr %ptr) {
; GCN-LABEL: flat_prefetch_sys_lu:
; GCN: ; %bb.0: ; %entry
; GCN-NEXT: flat_prefetch_b8 v[0:1] th:TH_LOAD_BYPASS scope:SCOPE_SYS
; GCN-NEXT: s_endpgm
entry:
tail call void @llvm.amdgcn.flat.prefetch(ptr %ptr, i32 27)
ret void
}
|
