| ; RUN: opt < %s -loweratomic -S | FileCheck %s | |
| define i8 @cmpswap() { | |
| ; CHECK-LABEL: @cmpswap( | |
| %i = alloca i8 | |
| %j = cmpxchg i8* %i, i8 0, i8 42 monotonic | |
| ; CHECK: [[INST:%[a-z0-9]+]] = load | |
| ; CHECK-NEXT: icmp | |
| ; CHECK-NEXT: select | |
| ; CHECK-NEXT: store | |
| ret i8 %j | |
| ; CHECK: ret i8 [[INST]] | |
| } | |
| define i8 @swap() { | |
| ; CHECK-LABEL: @swap( | |
| %i = alloca i8 | |
| %j = atomicrmw xchg i8* %i, i8 42 monotonic | |
| ; CHECK: [[INST:%[a-z0-9]+]] = load | |
| ; CHECK-NEXT: store | |
| ret i8 %j | |
| ; CHECK: ret i8 [[INST]] | |
| } |