1; Test 64-bit atomic ORs.
2;
3; RUN: llc < %s -mtriple=s390x-linux-gnu -mcpu=z10 | FileCheck %s
4
5; Check ORs of a variable.
6define i64 @f1(i64 %dummy, i64 *%src, i64 %b) {
7; CHECK-LABEL: f1:
8; CHECK: lg %r2, 0(%r3)
9; CHECK: [[LABEL:\.[^ ]*]]:
10; CHECK: lgr %r0, %r2
11; CHECK: ogr %r0, %r4
12; CHECK: csg %r2, %r0, 0(%r3)
13; CHECK: jl [[LABEL]]
14; CHECK: br %r14
15  %res = atomicrmw or i64 *%src, i64 %b seq_cst
16  ret i64 %res
17}
18
19; Check the lowest useful OILL value.
20define i64 @f2(i64 %dummy, i64 *%src) {
21; CHECK-LABEL: f2:
22; CHECK: lg %r2, 0(%r3)
23; CHECK: [[LABEL:\.[^ ]*]]:
24; CHECK: lgr %r0, %r2
25; CHECK: oill %r0, 1
26; CHECK: csg %r2, %r0, 0(%r3)
27; CHECK: jl [[LABEL]]
28; CHECK: br %r14
29  %res = atomicrmw or i64 *%src, i64 1 seq_cst
30  ret i64 %res
31}
32
33; Check the high end of the OILL range.
34define i64 @f3(i64 %dummy, i64 *%src) {
35; CHECK-LABEL: f3:
36; CHECK: oill %r0, 65535
37; CHECK: br %r14
38  %res = atomicrmw or i64 *%src, i64 65535 seq_cst
39  ret i64 %res
40}
41
42; Check the lowest useful OILH value, which is the next value up.
43define i64 @f4(i64 %dummy, i64 *%src) {
44; CHECK-LABEL: f4:
45; CHECK: oilh %r0, 1
46; CHECK: br %r14
47  %res = atomicrmw or i64 *%src, i64 65536 seq_cst
48  ret i64 %res
49}
50
51; Check the lowest useful OILF value, which is the next value up again.
52define i64 @f5(i64 %dummy, i64 *%src) {
53; CHECK-LABEL: f5:
54; CHECK: oilf %r0, 65537
55; CHECK: br %r14
56  %res = atomicrmw or i64 *%src, i64 65537 seq_cst
57  ret i64 %res
58}
59
60; Check the high end of the OILH range.
61define i64 @f6(i64 %dummy, i64 *%src) {
62; CHECK-LABEL: f6:
63; CHECK: oilh %r0, 65535
64; CHECK: br %r14
65  %res = atomicrmw or i64 *%src, i64 4294901760 seq_cst
66  ret i64 %res
67}
68
69; Check the next value up, which must use OILF.
70define i64 @f7(i64 %dummy, i64 *%src) {
71; CHECK-LABEL: f7:
72; CHECK: oilf %r0, 4294901761
73; CHECK: br %r14
74  %res = atomicrmw or i64 *%src, i64 4294901761 seq_cst
75  ret i64 %res
76}
77
78; Check the high end of the OILF range.
79define i64 @f8(i64 %dummy, i64 *%src) {
80; CHECK-LABEL: f8:
81; CHECK: oilf %r0, 4294967295
82; CHECK: br %r14
83  %res = atomicrmw or i64 *%src, i64 4294967295 seq_cst
84  ret i64 %res
85}
86
87; Check the lowest useful OIHL value, which is one greater than above.
88define i64 @f9(i64 %dummy, i64 *%src) {
89; CHECK-LABEL: f9:
90; CHECK: oihl %r0, 1
91; CHECK: br %r14
92  %res = atomicrmw or i64 *%src, i64 4294967296 seq_cst
93  ret i64 %res
94}
95
96; Check the next value up, which must use a register.  (We could use
97; combinations of OIH* and OIL* instead, but that isn't implemented.)
98define i64 @f10(i64 %dummy, i64 *%src) {
99; CHECK-LABEL: f10:
100; CHECK: ogr
101; CHECK: br %r14
102  %res = atomicrmw or i64 *%src, i64 4294967297 seq_cst
103  ret i64 %res
104}
105
106; Check the high end of the OIHL range.
107define i64 @f11(i64 %dummy, i64 *%src) {
108; CHECK-LABEL: f11:
109; CHECK: oihl %r0, 65535
110; CHECK: br %r14
111  %res = atomicrmw or i64 *%src, i64 281470681743360 seq_cst
112  ret i64 %res
113}
114
115; Check the lowest useful OIHH value, which is 1<<32 greater than above.
116define i64 @f12(i64 %dummy, i64 *%src) {
117; CHECK-LABEL: f12:
118; CHECK: oihh %r0, 1
119; CHECK: br %r14
120  %res = atomicrmw or i64 *%src, i64 281474976710656 seq_cst
121  ret i64 %res
122}
123
124; Check the lowest useful OIHF value, which is 1<<32 greater again.
125define i64 @f13(i64 %dummy, i64 *%src) {
126; CHECK-LABEL: f13:
127; CHECK: oihf %r0, 65537
128; CHECK: br %r14
129  %res = atomicrmw or i64 *%src, i64 281479271677952 seq_cst
130  ret i64 %res
131}
132
133; Check the high end of the OIHH range.
134define i64 @f14(i64 %dummy, i64 *%src) {
135; CHECK-LABEL: f14:
136; CHECK: oihh %r0, 65535
137; CHECK: br %r14
138  %res = atomicrmw or i64 *%src, i64 18446462598732840960 seq_cst
139  ret i64 %res
140}
141
142; Check the next value up, which must use a register.
143define i64 @f15(i64 %dummy, i64 *%src) {
144; CHECK-LABEL: f15:
145; CHECK: ogr
146; CHECK: br %r14
147  %res = atomicrmw or i64 *%src, i64 18446462598732840961 seq_cst
148  ret i64 %res
149}
150
151; Check the high end of the OIHF range.
152define i64 @f16(i64 %dummy, i64 *%src) {
153; CHECK-LABEL: f16:
154; CHECK: oihf %r0, 4294967295
155; CHECK: br %r14
156  %res = atomicrmw or i64 *%src, i64 -4294967296 seq_cst
157  ret i64 %res
158}
159