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1; RUN: llc -march=amdgcn -verify-machineinstrs < %s | FileCheck -check-prefix=GCN %s
2
3; Test that materialization constants that are the bit reversed of
4; inline immediates are replaced with bfrev of the inline immediate to
5; save code size.
6
7; GCN-LABEL: {{^}}materialize_0_i32:
8; GCN: v_mov_b32_e32 [[K:v[0-9]+]], 0{{$}}
9; GCN: buffer_store_dword [[K]]
10define void @materialize_0_i32(i32 addrspace(1)* %out) {
11  store i32 0, i32 addrspace(1)* %out
12  ret void
13}
14
15; GCN-LABEL: {{^}}materialize_0_i64:
16; GCN: v_mov_b32_e32 v[[LOK:[0-9]+]], 0{{$}}
17; GCN: v_mov_b32_e32 v[[HIK:[0-9]+]], v[[LOK]]{{$}}
18; GCN: buffer_store_dwordx2 v{{\[}}[[LOK]]:[[HIK]]{{\]}}
19define void @materialize_0_i64(i64 addrspace(1)* %out) {
20  store i64 0, i64 addrspace(1)* %out
21  ret void
22}
23
24; GCN-LABEL: {{^}}materialize_neg1_i32:
25; GCN: v_mov_b32_e32 [[K:v[0-9]+]], -1{{$}}
26; GCN: buffer_store_dword [[K]]
27define void @materialize_neg1_i32(i32 addrspace(1)* %out) {
28  store i32 -1, i32 addrspace(1)* %out
29  ret void
30}
31
32; GCN-LABEL: {{^}}materialize_neg1_i64:
33; GCN: v_mov_b32_e32 v[[LOK:[0-9]+]], -1{{$}}
34; GCN: v_mov_b32_e32 v[[HIK:[0-9]+]], v[[LOK]]{{$}}
35; GCN: buffer_store_dwordx2 v{{\[}}[[LOK]]:[[HIK]]{{\]}}
36define void @materialize_neg1_i64(i64 addrspace(1)* %out) {
37  store i64 -1, i64 addrspace(1)* %out
38  ret void
39}
40
41; GCN-LABEL: {{^}}materialize_signbit_i32:
42; GCN: v_bfrev_b32_e32 [[K:v[0-9]+]], 1{{$}}
43; GCN: buffer_store_dword [[K]]
44define void @materialize_signbit_i32(i32 addrspace(1)* %out) {
45  store i32 -2147483648, i32 addrspace(1)* %out
46  ret void
47}
48
49; GCN-LABEL: {{^}}materialize_signbit_i64:
50; GCN-DAG: v_mov_b32_e32 v[[LOK:[0-9]+]], 0{{$}}
51; GCN-DAG: v_bfrev_b32_e32 v[[HIK:[0-9]+]], 1{{$}}
52; GCN: buffer_store_dwordx2 v{{\[}}[[LOK]]:[[HIK]]{{\]}}
53define void @materialize_signbit_i64(i64 addrspace(1)* %out) {
54  store i64  -9223372036854775808, i64 addrspace(1)* %out
55  ret void
56}
57
58; GCN-LABEL: {{^}}materialize_rev_neg16_i32:
59; GCN: v_bfrev_b32_e32 [[K:v[0-9]+]], -16{{$}}
60; GCN: buffer_store_dword [[K]]
61define void @materialize_rev_neg16_i32(i32 addrspace(1)* %out) {
62  store i32 268435455, i32 addrspace(1)* %out
63  ret void
64}
65
66; GCN-LABEL: {{^}}materialize_rev_neg16_i64:
67; GCN-DAG: v_mov_b32_e32 v[[LOK:[0-9]+]], -1{{$}}
68; GCN-DAG: v_bfrev_b32_e32 v[[HIK:[0-9]+]], -16{{$}}
69; GCN: buffer_store_dwordx2 v{{\[}}[[LOK]]:[[HIK]]{{\]}}
70define void @materialize_rev_neg16_i64(i64 addrspace(1)* %out) {
71  store i64  1152921504606846975, i64 addrspace(1)* %out
72  ret void
73}
74
75; GCN-LABEL: {{^}}materialize_rev_neg17_i32:
76; GCN: v_mov_b32_e32 [[K:v[0-9]+]], 0xf7ffffff{{$}}
77; GCN: buffer_store_dword [[K]]
78define void @materialize_rev_neg17_i32(i32 addrspace(1)* %out) {
79  store i32 -134217729, i32 addrspace(1)* %out
80  ret void
81}
82
83; GCN-LABEL: {{^}}materialize_rev_neg17_i64:
84; GCN-DAG: v_mov_b32_e32 v[[LOK:[0-9]+]], -1{{$}}
85; GCN-DAG: v_mov_b32_e32 v[[HIK:[0-9]+]], 0xf7ffffff{{$}}
86; GCN: buffer_store_dwordx2 v{{\[}}[[LOK]]:[[HIK]]{{\]}}
87define void @materialize_rev_neg17_i64(i64 addrspace(1)* %out) {
88  store i64 -576460752303423489, i64 addrspace(1)* %out
89  ret void
90}
91
92; GCN-LABEL: {{^}}materialize_rev_64_i32:
93; GCN: v_bfrev_b32_e32 [[K:v[0-9]+]], 64{{$}}
94; GCN: buffer_store_dword [[K]]
95define void @materialize_rev_64_i32(i32 addrspace(1)* %out) {
96  store i32 33554432, i32 addrspace(1)* %out
97  ret void
98}
99
100; GCN-LABEL: {{^}}materialize_rev_64_i64:
101; GCN-DAG: v_mov_b32_e32 v[[LOK:[0-9]+]], 0{{$}}
102; GCN-DAG: v_bfrev_b32_e32 v[[HIK:[0-9]+]], 64{{$}}
103; GCN: buffer_store_dwordx2 v{{\[}}[[LOK]]:[[HIK]]{{\]}}
104define void @materialize_rev_64_i64(i64 addrspace(1)* %out) {
105  store i64 144115188075855872, i64 addrspace(1)* %out
106  ret void
107}
108
109; GCN-LABEL: {{^}}materialize_rev_65_i32:
110; GCN: v_mov_b32_e32 [[K:v[0-9]+]], 0x82000000{{$}}
111; GCN: buffer_store_dword [[K]]
112define void @materialize_rev_65_i32(i32 addrspace(1)* %out) {
113  store i32 -2113929216, i32 addrspace(1)* %out
114  ret void
115}
116
117; GCN-LABEL: {{^}}materialize_rev_65_i64:
118; GCN-DAG: v_mov_b32_e32 v[[LOK:[0-9]+]], 0{{$}}
119; GCN-DAG: v_mov_b32_e32 v[[HIK:[0-9]+]], 0x82000000{{$}}
120; GCN: buffer_store_dwordx2 v{{\[}}[[LOK]]:[[HIK]]{{\]}}
121define void @materialize_rev_65_i64(i64 addrspace(1)* %out) {
122  store i64 -9079256848778919936, i64 addrspace(1)* %out
123  ret void
124}
125
126; GCN-LABEL: {{^}}materialize_rev_3_i32:
127; GCN: v_mov_b32_e32 [[K:v[0-9]+]], -2.0{{$}}
128; GCN: buffer_store_dword [[K]]
129define void @materialize_rev_3_i32(i32 addrspace(1)* %out) {
130  store i32 -1073741824, i32 addrspace(1)* %out
131  ret void
132}
133
134; GCN-LABEL: {{^}}materialize_rev_3_i64:
135; GCN-DAG: v_mov_b32_e32 v[[LOK:[0-9]+]], 0{{$}}
136; GCN-DAG: v_mov_b32_e32 v[[HIK:[0-9]+]], -2.0{{$}}
137; GCN: buffer_store_dwordx2 v{{\[}}[[LOK]]:[[HIK]]{{\]}}
138define void @materialize_rev_3_i64(i64 addrspace(1)* %out) {
139  store i64 -4611686018427387904, i64 addrspace(1)* %out
140  ret void
141}
142
143; GCN-LABEL: {{^}}materialize_rev_1.0_i32:
144; GCN: v_mov_b32_e32 [[K:v[0-9]+]], 0x1fc{{$}}
145; GCN: buffer_store_dword [[K]]
146define void @materialize_rev_1.0_i32(i32 addrspace(1)* %out) {
147  store i32 508, i32 addrspace(1)* %out
148  ret void
149}
150
151; GCN-LABEL: {{^}}materialize_rev_1.0_i64:
152; GCN-DAG: v_mov_b32_e32 v[[LOK:[0-9]+]], 0x1fc{{$}}
153; GCN-DAG: v_mov_b32_e32 v[[HIK:[0-9]+]], 0{{$}}
154; GCN: buffer_store_dwordx2 v{{\[}}[[LOK]]:[[HIK]]{{\]}}
155define void @materialize_rev_1.0_i64(i64 addrspace(1)* %out) {
156  store i64 508, i64 addrspace(1)* %out
157  ret void
158}
159