blob: 05f2ccc39910f4ae86a4982cc85248f9388bc4e5 [file] [log] [blame]
Matt Arsenault8333e432014-06-10 19:18:24 +00001; RUN: llc -march=r600 -mcpu=SI -verify-machineinstrs < %s | FileCheck -check-prefix=SI -check-prefix=FUNC %s
2
3declare i64 @llvm.ctpop.i64(i64) nounwind readnone
4declare <2 x i64> @llvm.ctpop.v2i64(<2 x i64>) nounwind readnone
5declare <4 x i64> @llvm.ctpop.v4i64(<4 x i64>) nounwind readnone
6declare <8 x i64> @llvm.ctpop.v8i64(<8 x i64>) nounwind readnone
7declare <16 x i64> @llvm.ctpop.v16i64(<16 x i64>) nounwind readnone
8
Tom Stellard79243d92014-10-01 17:15:17 +00009; FUNC-LABEL: {{^}}s_ctpop_i64:
Matt Arsenaultc10853f2014-08-06 00:29:43 +000010; SI: S_LOAD_DWORDX2 [[SVAL:s\[[0-9]+:[0-9]+\]]], s{{\[[0-9]+:[0-9]+\]}}, 0xb
Matt Arsenault8333e432014-06-10 19:18:24 +000011; 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]],
14; SI: S_ENDPGM
15define 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
19 ret void
20}
21
Tom Stellard79243d92014-10-01 17:15:17 +000022; FUNC-LABEL: {{^}}v_ctpop_i64:
Matt Arsenault8333e432014-06-10 19:18:24 +000023; SI: BUFFER_LOAD_DWORDX2 v{{\[}}[[LOVAL:[0-9]+]]:[[HIVAL:[0-9]+]]{{\]}},
24; SI: V_MOV_B32_e32 [[VZERO:v[0-9]+]], 0
25; SI: V_BCNT_U32_B32_e32 [[MIDRESULT:v[0-9]+]], v[[LOVAL]], [[VZERO]]
26; SI-NEXT: V_BCNT_U32_B32_e32 [[RESULT:v[0-9]+]], v[[HIVAL]], [[MIDRESULT]]
27; SI: BUFFER_STORE_DWORD [[RESULT]],
28; SI: S_ENDPGM
29define void @v_ctpop_i64(i32 addrspace(1)* noalias %out, i64 addrspace(1)* noalias %in) nounwind {
30 %val = load i64 addrspace(1)* %in, align 8
31 %ctpop = call i64 @llvm.ctpop.i64(i64 %val) nounwind readnone
32 %truncctpop = trunc i64 %ctpop to i32
33 store i32 %truncctpop, i32 addrspace(1)* %out, align 4
34 ret void
35}
36
Tom Stellard79243d92014-10-01 17:15:17 +000037; FUNC-LABEL: {{^}}s_ctpop_v2i64:
Matt Arsenault8333e432014-06-10 19:18:24 +000038; SI: S_BCNT1_I32_B64
39; SI: S_BCNT1_I32_B64
40; SI: S_ENDPGM
41define void @s_ctpop_v2i64(<2 x i32> addrspace(1)* noalias %out, <2 x i64> %val) nounwind {
42 %ctpop = call <2 x i64> @llvm.ctpop.v2i64(<2 x i64> %val) nounwind readnone
43 %truncctpop = trunc <2 x i64> %ctpop to <2 x i32>
44 store <2 x i32> %truncctpop, <2 x i32> addrspace(1)* %out, align 8
45 ret void
46}
47
Tom Stellard79243d92014-10-01 17:15:17 +000048; FUNC-LABEL: {{^}}s_ctpop_v4i64:
Matt Arsenault8333e432014-06-10 19:18:24 +000049; SI: S_BCNT1_I32_B64
50; SI: S_BCNT1_I32_B64
51; SI: S_BCNT1_I32_B64
52; SI: S_BCNT1_I32_B64
53; SI: S_ENDPGM
54define void @s_ctpop_v4i64(<4 x i32> addrspace(1)* noalias %out, <4 x i64> %val) nounwind {
55 %ctpop = call <4 x i64> @llvm.ctpop.v4i64(<4 x i64> %val) nounwind readnone
56 %truncctpop = trunc <4 x i64> %ctpop to <4 x i32>
57 store <4 x i32> %truncctpop, <4 x i32> addrspace(1)* %out, align 16
58 ret void
59}
60
Tom Stellard79243d92014-10-01 17:15:17 +000061; FUNC-LABEL: {{^}}v_ctpop_v2i64:
Matt Arsenault8333e432014-06-10 19:18:24 +000062; SI: V_BCNT_U32_B32
63; SI: V_BCNT_U32_B32
64; SI: V_BCNT_U32_B32
65; SI: V_BCNT_U32_B32
66; SI: S_ENDPGM
67define void @v_ctpop_v2i64(<2 x i32> addrspace(1)* noalias %out, <2 x i64> addrspace(1)* noalias %in) nounwind {
68 %val = load <2 x i64> addrspace(1)* %in, align 16
69 %ctpop = call <2 x i64> @llvm.ctpop.v2i64(<2 x i64> %val) nounwind readnone
70 %truncctpop = trunc <2 x i64> %ctpop to <2 x i32>
71 store <2 x i32> %truncctpop, <2 x i32> addrspace(1)* %out, align 8
72 ret void
73}
74
Tom Stellard79243d92014-10-01 17:15:17 +000075; FUNC-LABEL: {{^}}v_ctpop_v4i64:
Matt Arsenault8333e432014-06-10 19:18:24 +000076; SI: V_BCNT_U32_B32
77; SI: V_BCNT_U32_B32
78; SI: V_BCNT_U32_B32
79; SI: V_BCNT_U32_B32
80; SI: V_BCNT_U32_B32
81; SI: V_BCNT_U32_B32
82; SI: V_BCNT_U32_B32
83; SI: V_BCNT_U32_B32
84; SI: S_ENDPGM
85define void @v_ctpop_v4i64(<4 x i32> addrspace(1)* noalias %out, <4 x i64> addrspace(1)* noalias %in) nounwind {
86 %val = load <4 x i64> addrspace(1)* %in, align 32
87 %ctpop = call <4 x i64> @llvm.ctpop.v4i64(<4 x i64> %val) nounwind readnone
88 %truncctpop = trunc <4 x i64> %ctpop to <4 x i32>
89 store <4 x i32> %truncctpop, <4 x i32> addrspace(1)* %out, align 16
90 ret void
91}
Tom Stellardae4c9e72014-06-20 17:06:11 +000092
93; FIXME: We currently disallow SALU instructions in all branches,
94; but there are some cases when the should be allowed.
95
Tom Stellard79243d92014-10-01 17:15:17 +000096; FUNC-LABEL: {{^}}ctpop_i64_in_br:
Tom Stellard744b99b2014-09-24 01:33:28 +000097; SI: S_LOAD_DWORDX2 s{{\[}}[[LOVAL:[0-9]+]]:[[HIVAL:[0-9]+]]{{\]}}, s[{{[0-9]+:[0-9]+}}], 0xd
98; SI: S_BCNT1_I32_B64 [[RESULT:s[0-9]+]], {{s\[}}[[LOVAL]]:[[HIVAL]]{{\]}}
99; SI: V_MOV_B32_e32 v[[VLO:[0-9]+]], [[RESULT]]
100; SI: V_MOV_B32_e32 v[[VHI:[0-9]+]], s[[HIVAL]]
101; SI: BUFFER_STORE_DWORDX2 {{v\[}}[[VLO]]:[[VHI]]{{\]}}
Tom Stellardae4c9e72014-06-20 17:06:11 +0000102; SI: S_ENDPGM
Tom Stellard744b99b2014-09-24 01:33:28 +0000103define void @ctpop_i64_in_br(i64 addrspace(1)* %out, i64 addrspace(1)* %in, i64 %ctpop_arg, i32 %cond) {
Tom Stellardae4c9e72014-06-20 17:06:11 +0000104entry:
Tom Stellard744b99b2014-09-24 01:33:28 +0000105 %tmp0 = icmp eq i32 %cond, 0
106 br i1 %tmp0, label %if, label %else
Tom Stellardae4c9e72014-06-20 17:06:11 +0000107
108if:
Tom Stellard744b99b2014-09-24 01:33:28 +0000109 %tmp2 = call i64 @llvm.ctpop.i64(i64 %ctpop_arg)
Tom Stellardae4c9e72014-06-20 17:06:11 +0000110 br label %endif
111
112else:
Tom Stellard744b99b2014-09-24 01:33:28 +0000113 %tmp3 = getelementptr i64 addrspace(1)* %in, i32 1
114 %tmp4 = load i64 addrspace(1)* %tmp3
Tom Stellardae4c9e72014-06-20 17:06:11 +0000115 br label %endif
116
117endif:
Tom Stellard744b99b2014-09-24 01:33:28 +0000118 %tmp5 = phi i64 [%tmp2, %if], [%tmp4, %else]
119 store i64 %tmp5, i64 addrspace(1)* %out
Tom Stellardae4c9e72014-06-20 17:06:11 +0000120 ret void
121}