1; Test 64-bit atomic XORs, z196 version.
2;
3; RUN: llc < %s -mtriple=s390x-linux-gnu -mcpu=z196 | FileCheck %s
4
5; Check XOR of a variable.
6define i64 @f1(i64 %dummy, i64 *%src, i64 %b) {
7; CHECK-LABEL: f1:
8; CHECK: laxg %r2, %r4, 0(%r3)
9; CHECK: br %r14
10  %res = atomicrmw xor i64 *%src, i64 %b seq_cst
11  ret i64 %res
12}
13
14; Check XOR of 1, which needs a temporary.
15define i64 @f2(i64 %dummy, i64 *%src) {
16; CHECK-LABEL: f2:
17; CHECK: lghi [[TMP:%r[0-5]]], 1
18; CHECK: laxg %r2, [[TMP]], 0(%r3)
19; CHECK: br %r14
20  %res = atomicrmw xor i64 *%src, i64 1 seq_cst
21  ret i64 %res
22}
23
24; Check the high end of the LAXG range.
25define i64 @f3(i64 %dummy, i64 *%src, i64 %b) {
26; CHECK-LABEL: f3:
27; CHECK: laxg %r2, %r4, 524280(%r3)
28; CHECK: br %r14
29  %ptr = getelementptr i64 *%src, i64 65535
30  %res = atomicrmw xor i64 *%ptr, i64 %b seq_cst
31  ret i64 %res
32}
33
34; Check the next doubleword up, which needs separate address logic.
35define i64 @f4(i64 %dummy, i64 *%src, i64 %b) {
36; CHECK-LABEL: f4:
37; CHECK: agfi %r3, 524288
38; CHECK: laxg %r2, %r4, 0(%r3)
39; CHECK: br %r14
40  %ptr = getelementptr i64 *%src, i64 65536
41  %res = atomicrmw xor i64 *%ptr, i64 %b seq_cst
42  ret i64 %res
43}
44
45; Check the low end of the LAXG range.
46define i64 @f5(i64 %dummy, i64 *%src, i64 %b) {
47; CHECK-LABEL: f5:
48; CHECK: laxg %r2, %r4, -524288(%r3)
49; CHECK: br %r14
50  %ptr = getelementptr i64 *%src, i64 -65536
51  %res = atomicrmw xor i64 *%ptr, i64 %b seq_cst
52  ret i64 %res
53}
54
55; Check the next doubleword down, which needs separate address logic.
56define i64 @f6(i64 %dummy, i64 *%src, i64 %b) {
57; CHECK-LABEL: f6:
58; CHECK: agfi %r3, -524296
59; CHECK: laxg %r2, %r4, 0(%r3)
60; CHECK: br %r14
61  %ptr = getelementptr i64 *%src, i64 -65537
62  %res = atomicrmw xor i64 *%ptr, i64 %b seq_cst
63  ret i64 %res
64}
65