1 ; Test 32-bit atomic XORs.
3 ; RUN: llc < %s -mtriple=s390x-linux-gnu -mcpu=z10 | FileCheck %s
5 ; Check XORs 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 xor i32 *%src, i32 %b seq_cst
19 ; Check the lowest useful constant.
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 xor i32 *%src, i32 1 seq_cst
33 ; Check an arbitrary constant.
34 define i32 @f3(i32 %dummy, i32 *%src) {
36 ; CHECK: xilf %r0, 3000000000
38 %res = atomicrmw xor i32 *%src, i32 3000000000 seq_cst
42 ; Check bitwise negation.
43 define i32 @f4(i32 %dummy, i32 *%src) {
45 ; CHECK: xilf %r0, 4294967295
47 %res = atomicrmw xor i32 *%src, i32 -1 seq_cst