1; RUN: opt < %s -loweratomic -S | FileCheck %s 2 3define i8 @cmpswap() { 4; CHECK-LABEL: @cmpswap( 5 %i = alloca i8 6 %j = cmpxchg i8* %i, i8 0, i8 42 monotonic 7; CHECK: [[INST:%[a-z0-9]+]] = load 8; CHECK-NEXT: icmp 9; CHECK-NEXT: select 10; CHECK-NEXT: store 11 ret i8 %j 12; CHECK: ret i8 [[INST]] 13} 14 15define i8 @swap() { 16; CHECK-LABEL: @swap( 17 %i = alloca i8 18 %j = atomicrmw xchg i8* %i, i8 42 monotonic 19; CHECK: [[INST:%[a-z0-9]+]] = load 20; CHECK-NEXT: store 21 ret i8 %j 22; CHECK: ret i8 [[INST]] 23} 24