mirror of
https://github.com/golang/go
synced 2024-09-05 07:54:46 +00:00
cmd/compile: conditional on -race, disable inline of go:norace
Adds the appropriate check to inl.go. Includes tests of both -race+go:norace and plain go:norace. Fixes #24651. Change-Id: Id806342430c20baf4679a985d12eea3b677092e0 Reviewed-on: https://go-review.googlesource.com/119195 Run-TryBot: David Chase <drchase@google.com> TryBot-Result: Gobot Gobot <gobot@golang.org> Reviewed-by: Matthew Dempsky <mdempsky@google.com>
This commit is contained in:
parent
707ca18d97
commit
c6e455bb11
|
@ -132,6 +132,12 @@ func caninl(fn *Node) {
|
|||
return
|
||||
}
|
||||
|
||||
// If marked "go:norace" and -race compilation, don't inline.
|
||||
if flag_race && fn.Func.Pragma&Norace != 0 {
|
||||
reason = "marked go:norace with -race compilation"
|
||||
return
|
||||
}
|
||||
|
||||
// If marked "go:cgo_unsafe_args", don't inline, since the
|
||||
// function makes assumptions about its argument frame layout.
|
||||
if fn.Func.Pragma&CgoUnsafeArgs != 0 {
|
||||
|
|
24
test/fixedbugs/issue24651a.go
Normal file
24
test/fixedbugs/issue24651a.go
Normal file
|
@ -0,0 +1,24 @@
|
|||
//errorcheck -0 -race -m -m
|
||||
|
||||
// Copyright 2018 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.
|
||||
|
||||
package main
|
||||
|
||||
//go:norace
|
||||
func Foo(x int) int { // ERROR "cannot inline Foo: marked go:norace with -race compilation$"
|
||||
return x * (x + 1) * (x + 2)
|
||||
}
|
||||
|
||||
func Bar(x int) int { // ERROR "can inline Bar as: func\(int\) int { return x \* \(x \+ 1\) \* \(x \+ 2\) }$"
|
||||
return x * (x + 1) * (x + 2)
|
||||
}
|
||||
|
||||
var x = 5
|
||||
|
||||
//go:noinline Provide a clean, constant reason for not inlining main
|
||||
func main() { // ERROR "cannot inline main: marked go:noinline$"
|
||||
println("Foo(", x, ")=", Foo(x))
|
||||
println("Bar(", x, ")=", Bar(x)) // ERROR "inlining call to Bar func\(int\) int { return x \* \(x \+ 1\) \* \(x \+ 2\) }$"
|
||||
}
|
24
test/fixedbugs/issue24651b.go
Normal file
24
test/fixedbugs/issue24651b.go
Normal file
|
@ -0,0 +1,24 @@
|
|||
//errorcheck -0 -m -m
|
||||
|
||||
// Copyright 2018 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.
|
||||
|
||||
package main
|
||||
|
||||
//go:norace
|
||||
func Foo(x int) int { // ERROR "can inline Foo as: func\(int\) int { return x \* \(x \+ 1\) \* \(x \+ 2\) }$"
|
||||
return x * (x + 1) * (x + 2)
|
||||
}
|
||||
|
||||
func Bar(x int) int { // ERROR "can inline Bar as: func\(int\) int { return x \* \(x \+ 1\) \* \(x \+ 2\) }$"
|
||||
return x * (x + 1) * (x + 2)
|
||||
}
|
||||
|
||||
var x = 5
|
||||
|
||||
//go:noinline Provide a clean, constant reason for not inlining main
|
||||
func main() { // ERROR "cannot inline main: marked go:noinline$"
|
||||
println("Foo(", x, ")=", Foo(x)) // ERROR "inlining call to Foo func\(int\) int { return x \* \(x \+ 1\) \* \(x \+ 2\) }$"
|
||||
println("Bar(", x, ")=", Bar(x)) // ERROR "inlining call to Bar func\(int\) int { return x \* \(x \+ 1\) \* \(x \+ 2\) }$"
|
||||
}
|
Loading…
Reference in a new issue