1 ; Test 64-bit atomic ORs.
3 ; RUN: llc < %s -mtriple=s390x-linux-gnu | FileCheck %s
5 ; Check ORs of a variable.
6 define i64 @f1(i64 %dummy, i64 *%src, i64 %b) {
8 ; CHECK: lg %r2, 0(%r3)
9 ; CHECK: [[LABEL:\.[^ ]*]]:
12 ; CHECK: csg %r2, %r0, 0(%r3)
13 ; CHECK: jlh [[LABEL]]
15 %res = atomicrmw or i64 *%src, i64 %b seq_cst
19 ; Check the lowest useful OILL value.
20 define i64 @f2(i64 %dummy, i64 *%src) {
22 ; CHECK: lg %r2, 0(%r3)
23 ; CHECK: [[LABEL:\.[^ ]*]]:
26 ; CHECK: csg %r2, %r0, 0(%r3)
27 ; CHECK: jlh [[LABEL]]
29 %res = atomicrmw or i64 *%src, i64 1 seq_cst
33 ; Check the high end of the OILL range.
34 define i64 @f3(i64 %dummy, i64 *%src) {
36 ; CHECK: oill %r0, 65535
38 %res = atomicrmw or i64 *%src, i64 65535 seq_cst
42 ; Check the lowest useful OILH value, which is the next value up.
43 define i64 @f4(i64 %dummy, i64 *%src) {
47 %res = atomicrmw or i64 *%src, i64 65536 seq_cst
51 ; Check the lowest useful OILF value, which is the next value up again.
52 define i64 @f5(i64 %dummy, i64 *%src) {
54 ; CHECK: oilf %r0, 65537
56 %res = atomicrmw or i64 *%src, i64 65537 seq_cst
60 ; Check the high end of the OILH range.
61 define i64 @f6(i64 %dummy, i64 *%src) {
63 ; CHECK: oilh %r0, 65535
65 %res = atomicrmw or i64 *%src, i64 4294901760 seq_cst
69 ; Check the next value up, which must use OILF.
70 define i64 @f7(i64 %dummy, i64 *%src) {
72 ; CHECK: oilf %r0, 4294901761
74 %res = atomicrmw or i64 *%src, i64 4294901761 seq_cst
78 ; Check the high end of the OILF range.
79 define i64 @f8(i64 %dummy, i64 *%src) {
81 ; CHECK: oilf %r0, 4294967295
83 %res = atomicrmw or i64 *%src, i64 4294967295 seq_cst
87 ; Check the lowest useful OIHL value, which is one greater than above.
88 define i64 @f9(i64 %dummy, i64 *%src) {
92 %res = atomicrmw or i64 *%src, i64 4294967296 seq_cst
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.)
98 define i64 @f10(i64 %dummy, i64 *%src) {
102 %res = atomicrmw or i64 *%src, i64 4294967297 seq_cst
106 ; Check the high end of the OIHL range.
107 define i64 @f11(i64 %dummy, i64 *%src) {
109 ; CHECK: oihl %r0, 65535
111 %res = atomicrmw or i64 *%src, i64 281470681743360 seq_cst
115 ; Check the lowest useful OIHH value, which is 1<<32 greater than above.
116 define i64 @f12(i64 %dummy, i64 *%src) {
120 %res = atomicrmw or i64 *%src, i64 281474976710656 seq_cst
124 ; Check the lowest useful OIHF value, which is 1<<32 greater again.
125 define i64 @f13(i64 %dummy, i64 *%src) {
127 ; CHECK: oihf %r0, 65537
129 %res = atomicrmw or i64 *%src, i64 281479271677952 seq_cst
133 ; Check the high end of the OIHH range.
134 define i64 @f14(i64 %dummy, i64 *%src) {
136 ; CHECK: oihh %r0, 65535
138 %res = atomicrmw or i64 *%src, i64 18446462598732840960 seq_cst
142 ; Check the next value up, which must use a register.
143 define i64 @f15(i64 %dummy, i64 *%src) {
147 %res = atomicrmw or i64 *%src, i64 18446462598732840961 seq_cst
151 ; Check the high end of the OIHF range.
152 define i64 @f16(i64 %dummy, i64 *%src) {
154 ; CHECK: oihf %r0, 4294967295
156 %res = atomicrmw or i64 *%src, i64 -4294967296 seq_cst