1 ; RUN: llc -march=amdgcn -mcpu=SI -verify-machineinstrs < %s | FileCheck -check-prefix=SI -check-prefix=FUNC %s
3 declare i64 @llvm.ctpop.i64(i64) nounwind readnone
4 declare <2 x i64> @llvm.ctpop.v2i64(<2 x i64>) nounwind readnone
5 declare <4 x i64> @llvm.ctpop.v4i64(<4 x i64>) nounwind readnone
6 declare <8 x i64> @llvm.ctpop.v8i64(<8 x i64>) nounwind readnone
7 declare <16 x i64> @llvm.ctpop.v16i64(<16 x i64>) nounwind readnone
9 ; FUNC-LABEL: {{^}}s_ctpop_i64:
10 ; SI: s_load_dwordx2 [[SVAL:s\[[0-9]+:[0-9]+\]]], s{{\[[0-9]+:[0-9]+\]}}, 0xb
11 ; SI: s_bcnt1_i32_b64 [[SRESULT:s[0-9]+]], [[SVAL]]
12 ; SI: v_mov_b32_e32 [[VRESULT:v[0-9]+]], [[SRESULT]]
13 ; SI: buffer_store_dword [[VRESULT]],
15 define void @s_ctpop_i64(i32 addrspace(1)* noalias %out, i64 %val) nounwind {
16 %ctpop = call i64 @llvm.ctpop.i64(i64 %val) nounwind readnone
17 %truncctpop = trunc i64 %ctpop to i32
18 store i32 %truncctpop, i32 addrspace(1)* %out, align 4
22 ; FUNC-LABEL: {{^}}v_ctpop_i64:
23 ; SI: buffer_load_dwordx2 v{{\[}}[[LOVAL:[0-9]+]]:[[HIVAL:[0-9]+]]{{\]}},
24 ; SI: v_bcnt_u32_b32_e64 [[MIDRESULT:v[0-9]+]], v[[LOVAL]], 0
25 ; SI-NEXT: v_bcnt_u32_b32_e32 [[RESULT:v[0-9]+]], v[[HIVAL]], [[MIDRESULT]]
26 ; SI: buffer_store_dword [[RESULT]],
28 define void @v_ctpop_i64(i32 addrspace(1)* noalias %out, i64 addrspace(1)* noalias %in) nounwind {
29 %val = load i64 addrspace(1)* %in, align 8
30 %ctpop = call i64 @llvm.ctpop.i64(i64 %val) nounwind readnone
31 %truncctpop = trunc i64 %ctpop to i32
32 store i32 %truncctpop, i32 addrspace(1)* %out, align 4
36 ; FUNC-LABEL: {{^}}s_ctpop_v2i64:
40 define void @s_ctpop_v2i64(<2 x i32> addrspace(1)* noalias %out, <2 x i64> %val) nounwind {
41 %ctpop = call <2 x i64> @llvm.ctpop.v2i64(<2 x i64> %val) nounwind readnone
42 %truncctpop = trunc <2 x i64> %ctpop to <2 x i32>
43 store <2 x i32> %truncctpop, <2 x i32> addrspace(1)* %out, align 8
47 ; FUNC-LABEL: {{^}}s_ctpop_v4i64:
53 define void @s_ctpop_v4i64(<4 x i32> addrspace(1)* noalias %out, <4 x i64> %val) nounwind {
54 %ctpop = call <4 x i64> @llvm.ctpop.v4i64(<4 x i64> %val) nounwind readnone
55 %truncctpop = trunc <4 x i64> %ctpop to <4 x i32>
56 store <4 x i32> %truncctpop, <4 x i32> addrspace(1)* %out, align 16
60 ; FUNC-LABEL: {{^}}v_ctpop_v2i64:
66 define void @v_ctpop_v2i64(<2 x i32> addrspace(1)* noalias %out, <2 x i64> addrspace(1)* noalias %in) nounwind {
67 %val = load <2 x i64> addrspace(1)* %in, align 16
68 %ctpop = call <2 x i64> @llvm.ctpop.v2i64(<2 x i64> %val) nounwind readnone
69 %truncctpop = trunc <2 x i64> %ctpop to <2 x i32>
70 store <2 x i32> %truncctpop, <2 x i32> addrspace(1)* %out, align 8
74 ; FUNC-LABEL: {{^}}v_ctpop_v4i64:
84 define void @v_ctpop_v4i64(<4 x i32> addrspace(1)* noalias %out, <4 x i64> addrspace(1)* noalias %in) nounwind {
85 %val = load <4 x i64> addrspace(1)* %in, align 32
86 %ctpop = call <4 x i64> @llvm.ctpop.v4i64(<4 x i64> %val) nounwind readnone
87 %truncctpop = trunc <4 x i64> %ctpop to <4 x i32>
88 store <4 x i32> %truncctpop, <4 x i32> addrspace(1)* %out, align 16
92 ; FIXME: We currently disallow SALU instructions in all branches,
93 ; but there are some cases when the should be allowed.
95 ; FUNC-LABEL: {{^}}ctpop_i64_in_br:
96 ; SI: s_load_dwordx2 s{{\[}}[[LOVAL:[0-9]+]]:[[HIVAL:[0-9]+]]{{\]}}, s[{{[0-9]+:[0-9]+}}], 0xd
97 ; SI: s_bcnt1_i32_b64 [[RESULT:s[0-9]+]], {{s\[}}[[LOVAL]]:[[HIVAL]]{{\]}}
98 ; SI: v_mov_b32_e32 v[[VLO:[0-9]+]], [[RESULT]]
99 ; SI: v_mov_b32_e32 v[[VHI:[0-9]+]], s[[HIVAL]]
100 ; SI: buffer_store_dwordx2 {{v\[}}[[VLO]]:[[VHI]]{{\]}}
102 define void @ctpop_i64_in_br(i64 addrspace(1)* %out, i64 addrspace(1)* %in, i64 %ctpop_arg, i32 %cond) {
104 %tmp0 = icmp eq i32 %cond, 0
105 br i1 %tmp0, label %if, label %else
108 %tmp2 = call i64 @llvm.ctpop.i64(i64 %ctpop_arg)
112 %tmp3 = getelementptr i64 addrspace(1)* %in, i32 1
113 %tmp4 = load i64 addrspace(1)* %tmp3
117 %tmp5 = phi i64 [%tmp2, %if], [%tmp4, %else]
118 store i64 %tmp5, i64 addrspace(1)* %out