1; RUN: llc -mattr=avr6 < %s -march=avr | FileCheck %s 2 3; CHECK-LABEL: atomic_store16 4; CHECK: in r0, 63 5; CHECK-NEXT: cli 6; CHECK-NEXT: st [[RD:(X|Y|Z)]], [[RR:r[0-9]+]] 7; CHECK-NEXT: std [[RD:(X|Y|Z)]]+1, [[RR:r[0-9]+]] 8; CHECK-NEXT: out 63, r0 9define void @atomic_store16(i16* %foo) { 10 store atomic i16 1, i16* %foo unordered, align 2 11 ret void 12} 13 14; CHECK-LABEL: monotonic 15; CHECK: in r0, 63 16; CHECK-NEXT: cli 17; CHECK-NEXT: st Z, r24 18; CHECK-NEXT: std Z+1, r25 19; CHECK-NEXT: out 63, r0 20define void @monotonic(i16) { 21entry-block: 22 store atomic i16 %0, i16* undef monotonic, align 2 23 ret void 24} 25 26