1 ; Test 64-bit atomic ANDs, z196 version.
3 ; RUN: llc < %s -mtriple=s390x-linux-gnu -mcpu=z196 | FileCheck %s
5 ; Check AND of a variable.
6 define i64 @f1(i64 %dummy, i64 *%src, i64 %b) {
8 ; CHECK: lang %r2, %r4, 0(%r3)
10 %res = atomicrmw and i64 *%src, i64 %b seq_cst
14 ; Check AND of -2, which needs a temporary.
15 define i64 @f2(i64 %dummy, i64 *%src) {
17 ; CHECK: lghi [[TMP:%r[0-5]]], -2
18 ; CHECK: lang %r2, [[TMP]], 0(%r3)
20 %res = atomicrmw and i64 *%src, i64 -2 seq_cst
24 ; Check the high end of the LANG range.
25 define i64 @f3(i64 %dummy, i64 *%src, i64 %b) {
27 ; CHECK: lang %r2, %r4, 524280(%r3)
29 %ptr = getelementptr i64 *%src, i64 65535
30 %res = atomicrmw and i64 *%ptr, i64 %b seq_cst
34 ; Check the next doubleword up, which needs separate address logic.
35 define i64 @f4(i64 %dummy, i64 *%src, i64 %b) {
37 ; CHECK: agfi %r3, 524288
38 ; CHECK: lang %r2, %r4, 0(%r3)
40 %ptr = getelementptr i64 *%src, i64 65536
41 %res = atomicrmw and i64 *%ptr, i64 %b seq_cst
45 ; Check the low end of the LANG range.
46 define i64 @f5(i64 %dummy, i64 *%src, i64 %b) {
48 ; CHECK: lang %r2, %r4, -524288(%r3)
50 %ptr = getelementptr i64 *%src, i64 -65536
51 %res = atomicrmw and i64 *%ptr, i64 %b seq_cst
55 ; Check the next doubleword down, which needs separate address logic.
56 define i64 @f6(i64 %dummy, i64 *%src, i64 %b) {
58 ; CHECK: agfi %r3, -524296
59 ; CHECK: lang %r2, %r4, 0(%r3)
61 %ptr = getelementptr i64 *%src, i64 -65537
62 %res = atomicrmw and i64 *%ptr, i64 %b seq_cst