1; RUN: llc < %s -march=ppc64 | FileCheck %s
2
3define i64 @exchange_and_add(i64* %mem, i64 %val) nounwind {
4; CHECK: exchange_and_add:
5; CHECK: ldarx
6  %tmp = atomicrmw add i64* %mem, i64 %val monotonic
7; CHECK: stdcx.
8  ret i64 %tmp
9}
10
11define i64 @exchange_and_cmp(i64* %mem) nounwind {
12; CHECK: exchange_and_cmp:
13; CHECK: ldarx
14  %tmp = cmpxchg i64* %mem, i64 0, i64 1 monotonic
15; CHECK: stdcx.
16; CHECK: stdcx.
17  ret i64 %tmp
18}
19
20define i64 @exchange(i64* %mem, i64 %val) nounwind {
21; CHECK: exchange:
22; CHECK: ldarx
23  %tmp = atomicrmw xchg i64* %mem, i64 1 monotonic
24; CHECK: stdcx.
25  ret i64 %tmp
26}
27