1; RUN: llc -march=x86-64 < %s | FileCheck %s 2@sc8 = external global i8 3 4define 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]+]]: 8; CHECK: cmpb 9; CHECK: jg 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]+]]: 14; CHECK: cmpb 15; CHECK: jl 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]+]]: 20; CHECK: cmpb 21; CHECK: ja 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]+]]: 26; CHECK: cmpb 27; CHECK: jb 28; CHECK: lock cmpxchgb 29; CHECK: jne [[LABEL7]] 30 ret void 31} 32