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; RUN: llc -march=x86-64 < %s | FileCheck %s
@sc8 = external global i8
define void @atomic_maxmin_i8() {
; CHECK: atomic_maxmin_i8
%1 = atomicrmw max i8* @sc8, i8 5 acquire
; CHECK: [[LABEL1:\.?LBB[0-9]+_[0-9]+]]:
; CHECK: movsbl
; CHECK: cmpl
; CHECK: lock
; CHECK-NEXT: cmpxchgb
; CHECK: jne [[LABEL1]]
%2 = atomicrmw min i8* @sc8, i8 6 acquire
; CHECK: [[LABEL3:\.?LBB[0-9]+_[0-9]+]]:
; CHECK: movsbl
; CHECK: cmpl
; CHECK: lock
; CHECK-NEXT: cmpxchgb
; CHECK: jne [[LABEL3]]
%3 = atomicrmw umax i8* @sc8, i8 7 acquire
; CHECK: [[LABEL5:\.?LBB[0-9]+_[0-9]+]]:
; CHECK: movzbl
; CHECK: cmpl
; CHECK: lock
; CHECK-NEXT: cmpxchgb
; CHECK: jne [[LABEL5]]
%4 = atomicrmw umin i8* @sc8, i8 8 acquire
; CHECK: [[LABEL7:\.?LBB[0-9]+_[0-9]+]]:
; CHECK: movzbl
; CHECK: cmpl
; CHECK: lock
; CHECK-NEXT: cmpxchgb
; CHECK: jne [[LABEL7]]
ret void
}
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