1 ; Test 64-bit atomic NANDs.
3 ; RUN: llc < %s -mtriple=s390x-linux-gnu | FileCheck %s
5 ; Check NANDs of a variable.
6 define i64 @f1(i64 %dummy, i64 *%src, i64 %b) {
8 ; CHECK: lg %r2, 0(%r3)
9 ; CHECK: [[LABEL:\.[^:]*]]:
12 ; CHECK: lcgr %r0, %r0
14 ; CHECK: csg %r2, %r0, 0(%r3)
15 ; CHECK: jlh [[LABEL]]
17 %res = atomicrmw nand i64 *%src, i64 %b seq_cst
21 ; Check NANDs of 1, which must be done using a register.
22 define i64 @f2(i64 %dummy, i64 *%src) {
26 %res = atomicrmw nand i64 *%src, i64 1 seq_cst
30 ; Check the low end of the NIHF range.
31 define i64 @f3(i64 %dummy, i64 *%src) {
33 ; CHECK: lg %r2, 0(%r3)
34 ; CHECK: [[LABEL:\.[^:]*]]:
37 ; CHECK: lcgr %r0, %r0
39 ; CHECK: csg %r2, %r0, 0(%r3)
40 ; CHECK: jlh [[LABEL]]
42 %res = atomicrmw nand i64 *%src, i64 4294967295 seq_cst
46 ; Check the next value up, which must use a register.
47 define i64 @f4(i64 %dummy, i64 *%src) {
51 %res = atomicrmw nand i64 *%src, i64 4294967296 seq_cst
55 ; Check the low end of the NIHH range.
56 define i64 @f5(i64 %dummy, i64 *%src) {
59 ; CHECK: lcgr %r0, %r0
62 %res = atomicrmw nand i64 *%src, i64 281474976710655 seq_cst
66 ; Check the next value up, which must use a register.
67 define i64 @f6(i64 %dummy, i64 *%src) {
71 %res = atomicrmw nand i64 *%src, i64 281474976710656 seq_cst
75 ; Check the highest useful NILL value.
76 define i64 @f7(i64 %dummy, i64 *%src) {
78 ; CHECK: nill %r0, 65534
79 ; CHECK: lcgr %r0, %r0
82 %res = atomicrmw nand i64 *%src, i64 -2 seq_cst
86 ; Check the low end of the NILL range.
87 define i64 @f8(i64 %dummy, i64 *%src) {
90 ; CHECK: lcgr %r0, %r0
93 %res = atomicrmw nand i64 *%src, i64 -65536 seq_cst
97 ; Check the highest useful NILH value, which is one less than the above.
98 define i64 @f9(i64 %dummy, i64 *%src) {
100 ; CHECK: nilh %r0, 65534
101 ; CHECK: lcgr %r0, %r0
102 ; CHECK: aghi %r0, -1
104 %res = atomicrmw nand i64 *%src, i64 -65537 seq_cst
108 ; Check the highest useful NILF value, which is one less than the above.
109 define i64 @f10(i64 %dummy, i64 *%src) {
111 ; CHECK: nilf %r0, 4294901758
112 ; CHECK: lcgr %r0, %r0
113 ; CHECK: aghi %r0, -1
115 %res = atomicrmw nand i64 *%src, i64 -65538 seq_cst
119 ; Check the low end of the NILH range.
120 define i64 @f11(i64 %dummy, i64 *%src) {
123 ; CHECK: lcgr %r0, %r0
124 ; CHECK: aghi %r0, -1
126 %res = atomicrmw nand i64 *%src, i64 -4294901761 seq_cst
130 ; Check the low end of the NILF range.
131 define i64 @f12(i64 %dummy, i64 *%src) {
134 ; CHECK: lcgr %r0, %r0
135 ; CHECK: aghi %r0, -1
137 %res = atomicrmw nand i64 *%src, i64 -4294967296 seq_cst
141 ; Check the highest useful NIHL value, which is one less than the above.
142 define i64 @f13(i64 %dummy, i64 *%src) {
144 ; CHECK: nihl %r0, 65534
145 ; CHECK: lcgr %r0, %r0
146 ; CHECK: aghi %r0, -1
148 %res = atomicrmw nand i64 *%src, i64 -4294967297 seq_cst
152 ; Check the low end of the NIHL range.
153 define i64 @f14(i64 %dummy, i64 *%src) {
156 ; CHECK: lcgr %r0, %r0
157 ; CHECK: aghi %r0, -1
159 %res = atomicrmw nand i64 *%src, i64 -281470681743361 seq_cst
163 ; Check the highest useful NIHH value, which is 1<<32 less than the above.
164 define i64 @f15(i64 %dummy, i64 *%src) {
166 ; CHECK: nihh %r0, 65534
167 ; CHECK: lcgr %r0, %r0
168 ; CHECK: aghi %r0, -1
170 %res = atomicrmw nand i64 *%src, i64 -281474976710657 seq_cst
174 ; Check the highest useful NIHF value, which is 1<<32 less than the above.
175 define i64 @f16(i64 %dummy, i64 *%src) {
177 ; CHECK: nihf %r0, 4294901758
178 ; CHECK: lcgr %r0, %r0
179 ; CHECK: aghi %r0, -1
181 %res = atomicrmw nand i64 *%src, i64 -281479271677953 seq_cst