1 ; Test 64-bit atomic XORs.
3 ; RUN: llc < %s -mtriple=s390x-linux-gnu | FileCheck %s
5 ; Check XORs of a variable.
6 define i64 @f1(i64 %dummy, i64 *%src, i64 %b) {
8 ; CHECK: lg %r2, 0(%r3)
9 ; CHECK: [[LABEL:\.[^ ]*]]:
12 ; CHECK: csg %r2, %r0, 0(%r3)
13 ; CHECK: jlh [[LABEL]]
15 %res = atomicrmw xor i64 *%src, i64 %b seq_cst
19 ; Check the lowest useful XILF value.
20 define i64 @f2(i64 %dummy, i64 *%src) {
22 ; CHECK: lg %r2, 0(%r3)
23 ; CHECK: [[LABEL:\.[^ ]*]]:
26 ; CHECK: csg %r2, %r0, 0(%r3)
27 ; CHECK: jlh [[LABEL]]
29 %res = atomicrmw xor i64 *%src, i64 1 seq_cst
33 ; Check the high end of the XILF range.
34 define i64 @f3(i64 %dummy, i64 *%src) {
36 ; CHECK: xilf %r0, 4294967295
38 %res = atomicrmw xor i64 *%src, i64 4294967295 seq_cst
42 ; Check the lowest useful XIHF value, which is one greater than above.
43 define i64 @f4(i64 %dummy, i64 *%src) {
47 %res = atomicrmw xor i64 *%src, i64 4294967296 seq_cst
51 ; Check the next value up, which must use a register. (We could use
52 ; combinations of XIH* and XIL* instead, but that isn't implemented.)
53 define i64 @f5(i64 %dummy, i64 *%src) {
57 %res = atomicrmw xor i64 *%src, i64 4294967297 seq_cst
61 ; Check the high end of the XIHF range.
62 define i64 @f6(i64 %dummy, i64 *%src) {
64 ; CHECK: xihf %r0, 4294967295
66 %res = atomicrmw xor i64 *%src, i64 -4294967296 seq_cst
70 ; Check the next value up, which must use a register.
71 define i64 @f7(i64 %dummy, i64 *%src) {
75 %res = atomicrmw xor i64 *%src, i64 -4294967295 seq_cst