1 ; RUN: llc -march=x86-64 < %s | FileCheck %s
2 @sc8 = external global i8
4 define void @atomic_maxmin_i8() {
5 ; CHECK: atomic_maxmin_i8
6 %1 = atomicrmw max i8* @sc8, i8 5 acquire
7 ; CHECK: [[LABEL1:\.?LBB[0-9]+_[0-9]+]]:
10 ; CHECK: lock cmpxchgb
11 ; CHECK: jne [[LABEL1]]
12 %2 = atomicrmw min i8* @sc8, i8 6 acquire
13 ; CHECK: [[LABEL3:\.?LBB[0-9]+_[0-9]+]]:
16 ; CHECK: lock cmpxchgb
17 ; CHECK: jne [[LABEL3]]
18 %3 = atomicrmw umax i8* @sc8, i8 7 acquire
19 ; CHECK: [[LABEL5:\.?LBB[0-9]+_[0-9]+]]:
22 ; CHECK: lock cmpxchgb
23 ; CHECK: jne [[LABEL5]]
24 %4 = atomicrmw umin i8* @sc8, i8 8 acquire
25 ; CHECK: [[LABEL7:\.?LBB[0-9]+_[0-9]+]]:
28 ; CHECK: lock cmpxchgb
29 ; CHECK: jne [[LABEL7]]