1; RUN: llc < %s -march=ppc32 |  FileCheck %s
2
3define i32 @exchange_and_add(i32* %mem, i32 %val) nounwind {
4; CHECK: exchange_and_add:
5; CHECK: lwarx
6  %tmp = atomicrmw add i32* %mem, i32 %val monotonic
7; CHECK: stwcx.
8  ret i32 %tmp
9}
10
11define i32 @exchange_and_cmp(i32* %mem) nounwind {
12; CHECK: exchange_and_cmp:
13; CHECK: lwarx
14  %tmp = cmpxchg i32* %mem, i32 0, i32 1 monotonic
15; CHECK: stwcx.
16; CHECK: stwcx.
17  ret i32 %tmp
18}
19
20define i32 @exchange(i32* %mem, i32 %val) nounwind {
21; CHECK: exchange:
22; CHECK: lwarx
23  %tmp = atomicrmw xchg i32* %mem, i32 1 monotonic
24; CHECK: stwcx.
25  ret i32 %tmp
26}
27