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
| ; RUN: llc -march=amdgcn < %s | FileCheck -check-prefix=SI -check-prefix=FUNC %s
; FUNC-LABEL: {{^}}round_f64:
; SI: s_endpgm
define amdgpu_kernel void @round_f64(double addrspace(1)* %out, double %x) #0 {
%result = call double @llvm.round.f64(double %x) #1
store double %result, double addrspace(1)* %out
ret void
}
; This is a pretty large function, so just test a few of the
; instructions that are necessary.
; FUNC-LABEL: {{^}}v_round_f64:
; SI: buffer_load_dwordx2
; SI-DAG: v_bfe_u32 [[EXP:v[0-9]+]], v{{[0-9]+}}, 20, 11
; SI-DAG: v_not_b32_e32
; SI-DAG: v_not_b32_e32
; SI-DAG: v_cmp_eq_u32
; SI-DAG: s_brev_b32 [[BFIMASK:s[0-9]+]], -2{{$}}
; SI-DAG: v_cmp_gt_i32
; SI-DAG: v_bfi_b32 [[COPYSIGN:v[0-9]+]], [[BFIMASK]]
; SI: buffer_store_dwordx2
; SI: s_endpgm
define amdgpu_kernel void @v_round_f64(double addrspace(1)* %out, double addrspace(1)* %in) #0 {
%tid = call i32 @llvm.amdgcn.workitem.id.x() #1
%gep = getelementptr double, double addrspace(1)* %in, i32 %tid
%out.gep = getelementptr double, double addrspace(1)* %out, i32 %tid
%x = load double, double addrspace(1)* %gep
%result = call double @llvm.round.f64(double %x) #1
store double %result, double addrspace(1)* %out.gep
ret void
}
; FUNC-LABEL: {{^}}round_v2f64:
; SI: s_endpgm
define amdgpu_kernel void @round_v2f64(<2 x double> addrspace(1)* %out, <2 x double> %in) #0 {
%result = call <2 x double> @llvm.round.v2f64(<2 x double> %in) #1
store <2 x double> %result, <2 x double> addrspace(1)* %out
ret void
}
; FUNC-LABEL: {{^}}round_v4f64:
; SI: s_endpgm
define amdgpu_kernel void @round_v4f64(<4 x double> addrspace(1)* %out, <4 x double> %in) #0 {
%result = call <4 x double> @llvm.round.v4f64(<4 x double> %in) #1
store <4 x double> %result, <4 x double> addrspace(1)* %out
ret void
}
; FUNC-LABEL: {{^}}round_v8f64:
; SI: s_endpgm
define amdgpu_kernel void @round_v8f64(<8 x double> addrspace(1)* %out, <8 x double> %in) #0 {
%result = call <8 x double> @llvm.round.v8f64(<8 x double> %in) #1
store <8 x double> %result, <8 x double> addrspace(1)* %out
ret void
}
declare i32 @llvm.amdgcn.workitem.id.x() #1
declare double @llvm.round.f64(double) #1
declare <2 x double> @llvm.round.v2f64(<2 x double>) #1
declare <4 x double> @llvm.round.v4f64(<4 x double>) #1
declare <8 x double> @llvm.round.v8f64(<8 x double>) #1
attributes #0 = { nounwind }
attributes #1 = { nounwind readnone }
|