1 ; RUN: opt < %s -loweratomic -S | FileCheck %s 2 3 define i8 @cmpswap() { 4 ; CHECK: @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 15 define i8 @swap() { 16 ; CHECK: @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
