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846740c17f
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Russ Cox 846740c17f [dev.regabi] cmd/compile: cleanup for concrete types - ssa 
An automated rewrite will add concrete type assertions after
a test of n.Op(), when n can be safely type-asserted
(meaning, n is not reassigned a different type, n is not reassigned
and then used outside the scope of the type assertion,
and so on).

This sequence of CLs handles the code that the automated
rewrite does not: adding specific types to function arguments,
adjusting code not to call n.Left() etc when n may have multiple
representations, and so on.

This CL focuses on ssa.go.

Passes buildall w/ toolstash -cmp.

Change-Id: Iefacc7104dd9469e3c574149791ab0bff29f7fee
Reviewed-on: https://go-review.googlesource.com/c/go/+/277923
Trust: Russ Cox <rsc@golang.org>
Reviewed-by: Matthew Dempsky <mdempsky@google.com>
2020-12-17 04:43:03 +00:00
.github .github: add link to questions in ISSUE_TEMPLATE 2020-01-06 17:05:31 +00:00
api api: update next.txt 2020-10-29 20:51:49 +00:00
doc doc: add description of new framepointer vet check 2020-12-09 01:34:53 +00:00
lib/time lib/time, time/tzdata: update tz data to 2020d 2020-10-24 21:42:44 +00:00
misc cmd/compile, runtime: use __msan_memmove for moving data, split msanread to fields 2020-12-03 15:40:11 +00:00
src [dev.regabi] cmd/compile: cleanup for concrete types - ssa 2020-12-17 04:43:03 +00:00
test [dev.regabi] cmd/compile: update ir/fmt for concrete types 2020-12-17 03:50:03 +00:00
.gitattributes all: treat all files as binary, but check in .bat with CRLF 2020-06-08 15:31:43 +00:00
.gitignore .gitignore: ignore src/cmd/dist/dist 2017-10-28 21:55:49 +00:00
AUTHORS A+C: add Kush Patel (corporate CLA for Hootsuite Inc) 2020-07-08 00:10:44 +00:00
CONTRIBUTING.md all: restore changes from faulty merge/revert 2018-02-12 20:13:59 +00:00
CONTRIBUTORS CONTRIBUTORS: update for the Go 1.15 release 2020-08-10 21:51:48 +00:00
favicon.ico website: recreate 16px and 32px favicon 2016-08-25 15:43:32 +00:00
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README.md README: linkify some paths 2018-06-06 18:07:01 +00:00
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SECURITY.md SECURITY.md: update go versions 2019-09-26 15:34:57 +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://golang.org/dl/.

After downloading a binary release, visit https://golang.org/doc/install or load doc/install.html in your web browser for installation instructions.

Install From Source

If a binary distribution is not available for your combination of operating system and architecture, visit https://golang.org/doc/install/source or load doc/install-source.html in your web browser for source installation instructions.

Contributing

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

To contribute, please read the contribution guidelines: https://golang.org/doc/contribute.html

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