| // errorcheck -0 -m |
| |
| //go:build !nacl && !386 && !wasm && !arm && !gcflags_noopt |
| |
| // Copyright 2019 The Go Authors. All rights reserved. |
| // Use of this source code is governed by a BSD-style |
| // license that can be found in the LICENSE file. |
| |
| // Test, using compiler diagnostic flags, that inlining of functions |
| // imported from the sync package is working. |
| // Compiles but does not run. |
| |
| // FIXME: This test is disabled on architectures where atomic operations |
| // are function calls rather than intrinsics, since this prevents inlining |
| // of the sync fast paths. This test should be re-enabled once the problem |
| // is solved. |
| |
| package foo |
| |
| import ( |
| "sync" |
| ) |
| |
| var mutex *sync.Mutex |
| |
| func small5() { // ERROR "can inline small5" |
| // the Unlock fast path should be inlined |
| mutex.Unlock() // ERROR "inlining call to sync\.\(\*Mutex\)\.Unlock" |
| } |
| |
| func small6() { // ERROR "can inline small6" |
| // the Lock fast path should be inlined |
| mutex.Lock() // ERROR "inlining call to sync\.\(\*Mutex\)\.Lock" |
| } |
| |
| var once *sync.Once |
| |
| func small7() { // ERROR "can inline small7" |
| // the Do fast path should be inlined |
| once.Do(small5) // ERROR "inlining call to sync\.\(\*Once\)\.Do" |
| } |
| |
| var rwmutex *sync.RWMutex |
| |
| func small8() { // ERROR "can inline small8" |
| // the RUnlock fast path should be inlined |
| rwmutex.RUnlock() // ERROR "inlining call to sync\.\(\*RWMutex\)\.RUnlock" "inlining call to atomic\.\(\*Int32\)\.Add" |
| } |
| |
| func small9() { // ERROR "can inline small9" |
| // the RLock fast path should be inlined |
| rwmutex.RLock() // ERROR "inlining call to sync\.\(\*RWMutex\)\.RLock" "inlining call to atomic\.\(\*Int32\)\.Add" |
| } |