1; RUN: llc -march=amdgcn -verify-machineinstrs < %s | FileCheck -check-prefix=SI -check-prefix=FUNC %s
2; RUN: llc -march=amdgcn -mcpu=tonga -verify-machineinstrs < %s | FileCheck -check-prefix=SI -check-prefix=FUNC %s
3
4declare i16 @llvm.bitreverse.i16(i16) #1
5declare i32 @llvm.bitreverse.i32(i32) #1
6declare i64 @llvm.bitreverse.i64(i64) #1
7
8declare <2 x i32> @llvm.bitreverse.v2i32(<2 x i32>) #1
9declare <4 x i32> @llvm.bitreverse.v4i32(<4 x i32>) #1
10
11declare <2 x i64> @llvm.bitreverse.v2i64(<2 x i64>) #1
12declare <4 x i64> @llvm.bitreverse.v4i64(<4 x i64>) #1
13
14; FUNC-LABEL: {{^}}s_brev_i16:
15; SI: s_brev_b32
16define void @s_brev_i16(i16 addrspace(1)* noalias %out, i16 %val) #0 {
17  %brev = call i16 @llvm.bitreverse.i16(i16 %val) #1
18  store i16 %brev, i16 addrspace(1)* %out
19  ret void
20}
21
22; FUNC-LABEL: {{^}}v_brev_i16:
23; SI: v_bfrev_b32_e32
24define void @v_brev_i16(i16 addrspace(1)* noalias %out, i16 addrspace(1)* noalias %valptr) #0 {
25  %val = load i16, i16 addrspace(1)* %valptr
26  %brev = call i16 @llvm.bitreverse.i16(i16 %val) #1
27  store i16 %brev, i16 addrspace(1)* %out
28  ret void
29}
30
31; FUNC-LABEL: {{^}}s_brev_i32:
32; SI: s_load_dword [[VAL:s[0-9]+]],
33; SI: s_brev_b32 [[SRESULT:s[0-9]+]], [[VAL]]
34; SI: v_mov_b32_e32 [[VRESULT:v[0-9]+]], [[SRESULT]]
35; SI: buffer_store_dword [[VRESULT]],
36; SI: s_endpgm
37define void @s_brev_i32(i32 addrspace(1)* noalias %out, i32 %val) #0 {
38  %brev = call i32 @llvm.bitreverse.i32(i32 %val) #1
39  store i32 %brev, i32 addrspace(1)* %out
40  ret void
41}
42
43; FUNC-LABEL: {{^}}v_brev_i32:
44; SI: buffer_load_dword [[VAL:v[0-9]+]],
45; SI: v_bfrev_b32_e32 [[RESULT:v[0-9]+]], [[VAL]]
46; SI: buffer_store_dword [[RESULT]],
47; SI: s_endpgm
48define void @v_brev_i32(i32 addrspace(1)* noalias %out, i32 addrspace(1)* noalias %valptr) #0 {
49  %val = load i32, i32 addrspace(1)* %valptr
50  %brev = call i32 @llvm.bitreverse.i32(i32 %val) #1
51  store i32 %brev, i32 addrspace(1)* %out
52  ret void
53}
54
55; FUNC-LABEL: {{^}}s_brev_v2i32:
56; SI: s_brev_b32
57; SI: s_brev_b32
58define void @s_brev_v2i32(<2 x i32> addrspace(1)* noalias %out, <2 x i32> %val) #0 {
59  %brev = call <2 x i32> @llvm.bitreverse.v2i32(<2 x i32> %val) #1
60  store <2 x i32> %brev, <2 x i32> addrspace(1)* %out
61  ret void
62}
63
64; FUNC-LABEL: {{^}}v_brev_v2i32:
65; SI: v_bfrev_b32_e32
66; SI: v_bfrev_b32_e32
67define void @v_brev_v2i32(<2 x i32> addrspace(1)* noalias %out, <2 x i32> addrspace(1)* noalias %valptr) #0 {
68  %val = load <2 x i32>, <2 x i32> addrspace(1)* %valptr
69  %brev = call <2 x i32> @llvm.bitreverse.v2i32(<2 x i32> %val) #1
70  store <2 x i32> %brev, <2 x i32> addrspace(1)* %out
71  ret void
72}
73
74; FUNC-LABEL: {{^}}s_brev_i64:
75define void @s_brev_i64(i64 addrspace(1)* noalias %out, i64 %val) #0 {
76  %brev = call i64 @llvm.bitreverse.i64(i64 %val) #1
77  store i64 %brev, i64 addrspace(1)* %out
78  ret void
79}
80
81; FUNC-LABEL: {{^}}v_brev_i64:
82; SI-NOT: v_or_b32_e64 v{{[0-9]+}}, 0, 0
83define void @v_brev_i64(i64 addrspace(1)* noalias %out, i64 addrspace(1)* noalias %valptr) #0 {
84  %val = load i64, i64 addrspace(1)* %valptr
85  %brev = call i64 @llvm.bitreverse.i64(i64 %val) #1
86  store i64 %brev, i64 addrspace(1)* %out
87  ret void
88}
89
90; FUNC-LABEL: {{^}}s_brev_v2i64:
91define void @s_brev_v2i64(<2 x i64> addrspace(1)* noalias %out, <2 x i64> %val) #0 {
92  %brev = call <2 x i64> @llvm.bitreverse.v2i64(<2 x i64> %val) #1
93  store <2 x i64> %brev, <2 x i64> addrspace(1)* %out
94  ret void
95}
96
97; FUNC-LABEL: {{^}}v_brev_v2i64:
98define void @v_brev_v2i64(<2 x i64> addrspace(1)* noalias %out, <2 x i64> addrspace(1)* noalias %valptr) #0 {
99  %val = load <2 x i64>, <2 x i64> addrspace(1)* %valptr
100  %brev = call <2 x i64> @llvm.bitreverse.v2i64(<2 x i64> %val) #1
101  store <2 x i64> %brev, <2 x i64> addrspace(1)* %out
102  ret void
103}
104
105attributes #0 = { nounwind }
106attributes #1 = { nounwind readnone }
107