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1; RUN: llc -march=amdgcn -mcpu=SI < %s | FileCheck -check-prefix=SI -check-prefix=FUNC %s
2
3; FUNC-LABEL: {{^}}round_f64:
4; SI: s_endpgm
5define void @round_f64(double addrspace(1)* %out, double %x) #0 {
6  %result = call double @llvm.round.f64(double %x) #1
7  store double %result, double addrspace(1)* %out
8  ret void
9}
10
11; This is a pretty large function, so just test a few of the
12; instructions that are necessary.
13
14; FUNC-LABEL: {{^}}v_round_f64:
15; SI: buffer_load_dwordx2
16; SI-DAG: v_bfe_u32 [[EXP:v[0-9]+]], v{{[0-9]+}}, 20, 11
17
18; SI-DAG: v_not_b32_e32
19; SI-DAG: v_not_b32_e32
20
21; SI-DAG: v_cmp_eq_i32
22
23; SI-DAG: s_mov_b32 [[BFIMASK:s[0-9]+]], 0x7fffffff
24; SI-DAG: v_cmp_gt_i32
25; SI-DAG: v_bfi_b32 [[COPYSIGN:v[0-9]+]], [[BFIMASK]]
26
27; SI: buffer_store_dwordx2
28; SI: s_endpgm
29define void @v_round_f64(double addrspace(1)* %out, double addrspace(1)* %in) #0 {
30  %tid = call i32 @llvm.amdgcn.workitem.id.x() #1
31  %gep = getelementptr double, double addrspace(1)* %in, i32 %tid
32  %out.gep = getelementptr double, double addrspace(1)* %out, i32 %tid
33  %x = load double, double addrspace(1)* %gep
34  %result = call double @llvm.round.f64(double %x) #1
35  store double %result, double addrspace(1)* %out.gep
36  ret void
37}
38
39; FUNC-LABEL: {{^}}round_v2f64:
40; SI: s_endpgm
41define void @round_v2f64(<2 x double> addrspace(1)* %out, <2 x double> %in) #0 {
42  %result = call <2 x double> @llvm.round.v2f64(<2 x double> %in) #1
43  store <2 x double> %result, <2 x double> addrspace(1)* %out
44  ret void
45}
46
47; FUNC-LABEL: {{^}}round_v4f64:
48; SI: s_endpgm
49define void @round_v4f64(<4 x double> addrspace(1)* %out, <4 x double> %in) #0 {
50  %result = call <4 x double> @llvm.round.v4f64(<4 x double> %in) #1
51  store <4 x double> %result, <4 x double> addrspace(1)* %out
52  ret void
53}
54
55; FUNC-LABEL: {{^}}round_v8f64:
56; SI: s_endpgm
57define void @round_v8f64(<8 x double> addrspace(1)* %out, <8 x double> %in) #0 {
58  %result = call <8 x double> @llvm.round.v8f64(<8 x double> %in) #1
59  store <8 x double> %result, <8 x double> addrspace(1)* %out
60  ret void
61}
62
63declare i32 @llvm.amdgcn.workitem.id.x() #1
64
65declare double @llvm.round.f64(double) #1
66declare <2 x double> @llvm.round.v2f64(<2 x double>) #1
67declare <4 x double> @llvm.round.v4f64(<4 x double>) #1
68declare <8 x double> @llvm.round.v8f64(<8 x double>) #1
69
70attributes #0 = { nounwind }
71attributes #1 = { nounwind readnone }
72