1 ; Test 32-bit atomic ORs.
3 ; RUN: llc < %s -mtriple=s390x-linux-gnu -mcpu=z10 | FileCheck %s
5 ; Check ORs of a variable.
6 define i32 @f1(i32 %dummy, i32 *%src, i32 %b) {
9 ; CHECK: [[LABEL:\.[^ ]*]]:
12 ; CHECK: cs %r2, %r0, 0(%r3)
15 %res = atomicrmw or i32 *%src, i32 %b seq_cst
19 ; Check the lowest useful OILL value.
20 define i32 @f2(i32 %dummy, i32 *%src) {
22 ; CHECK: l %r2, 0(%r3)
23 ; CHECK: [[LABEL:\.[^ ]*]]:
26 ; CHECK: cs %r2, %r0, 0(%r3)
29 %res = atomicrmw or i32 *%src, i32 1 seq_cst
33 ; Check the high end of the OILL range.
34 define i32 @f3(i32 %dummy, i32 *%src) {
36 ; CHECK: oill %r0, 65535
38 %res = atomicrmw or i32 *%src, i32 65535 seq_cst
42 ; Check the lowest useful OILH value, which is the next value up.
43 define i32 @f4(i32 %dummy, i32 *%src) {
47 %res = atomicrmw or i32 *%src, i32 65536 seq_cst
51 ; Check the lowest useful OILF value, which is the next value up.
52 define i32 @f5(i32 %dummy, i32 *%src) {
54 ; CHECK: oilf %r0, 65537
56 %res = atomicrmw or i32 *%src, i32 65537 seq_cst
60 ; Check the high end of the OILH range.
61 define i32 @f6(i32 %dummy, i32 *%src) {
63 ; CHECK: oilh %r0, 65535
65 %res = atomicrmw or i32 *%src, i32 -65536 seq_cst
69 ; Check the next value up, which must use OILF.
70 define i32 @f7(i32 %dummy, i32 *%src) {
72 ; CHECK: oilf %r0, 4294901761
74 %res = atomicrmw or i32 *%src, i32 -65535 seq_cst
78 ; Check the largest useful OILF value.
79 define i32 @f8(i32 %dummy, i32 *%src) {
81 ; CHECK: oilf %r0, 4294967294
83 %res = atomicrmw or i32 *%src, i32 -2 seq_cst