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Michael Pratt 204be97d24 cmd/compile/internal/pgo: remove most global state 
Since pgo is a new package, it is reasonably straightforward to
encapsulate its state into a non-global object that we pass around,
which will help keep it isolated.

There are no functional changes in this CL, just packaging up the
globals into a new object.

There are two major pieces of cleanup remaining:

1. reflectdata and noder have separate InlineCalls calls for method
   wrappers. The Profile is not plumbed there yet, but this is not a
   regression as the globals were previously set only right around the
   main inlining pass in gc.Main.

2. pgo.ListOfHotCallSites is still global, as it will require more work
   to clean up. It is effectively a local variable in InlinePackage,
   except that it assumes that InlineCalls is immediately preceded by a
   CanInline call for the same function. This is not necessarily true
   due to the recursive nature of CanInline. This also means that some
   InlineCalls calls may be missing the list of hot callsites right now.

For #55022.

Change-Id: Ic1fe41f73df96861c65f8bfeecff89862b367290
Reviewed-on: https://go-review.googlesource.com/c/go/+/446303
Reviewed-by: Cherry Mui <cherryyz@google.com>
TryBot-Result: Gopher Robot <gobot@golang.org>
Run-TryBot: Michael Pratt <mpratt@google.com>
2022-10-31 21:18:33 +00:00
.github .github: update issue label for pkgsite-removal 2022-09-07 16:00:20 +00:00
api os/exec: add the Cancel and WaitDelay fields 2022-10-25 03:34:36 +00:00
doc doc/go1.20: go version supports non-executable Go binaries 2022-10-24 15:56:26 +00:00
lib/time lib/time, time/tzdata: update to 2022b 2022-08-11 20:03:19 +00:00
misc cmd/go: don't install most GOROOT .a files in pkg 2022-10-28 23:35:08 +00:00
src cmd/compile/internal/pgo: remove most global state 2022-10-31 21:18:33 +00:00
test cmd/compile: recognize when the result of append has a constant length 2022-10-27 17:09:50 +00:00
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README.md README.md: update wiki link 2022-04-26 16:21:18 +00:00
SECURITY.md SECURITY.md: replace golang.org with go.dev 2022-04-26 19:59:47 +00:00

README.md

The Go Programming Language

Go is an open source programming language that makes it easy to build simple, reliable, and efficient software.

Gopher image Gopher image by Renee French, licensed under Creative Commons 3.0 Attributions license.

Our canonical Git repository is located at https://go.googlesource.com/go. There is a mirror of the repository at https://github.com/golang/go.

Unless otherwise noted, the Go source files are distributed under the BSD-style license found in the LICENSE file.

Download and Install

Binary Distributions

Official binary distributions are available at https://go.dev/dl/.

After downloading a binary release, visit https://go.dev/doc/install for installation instructions.

Install From Source

If a binary distribution is not available for your combination of operating system and architecture, visit https://go.dev/doc/install/source for source installation instructions.

Contributing

Go is the work of thousands of contributors. We appreciate your help!

To contribute, please read the contribution guidelines at https://go.dev/doc/contribute.

Note that the Go project uses the issue tracker for bug reports and proposals only. See https://go.dev/wiki/Questions for a list of places to ask questions about the Go language.