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Matthew Dempsky dd95a4e3db [dev.typeparams] cmd/compile: simplify SSA devirtualization 
This CL implements a few improvements to SSA devirtualization to make
it simpler and more general:

1. Change reflectdata.ITabAddr to now immediately generate the wrapper
functions and write out the itab symbol data. Previously, these were
each handled by separate phases later on.

2. Removes the hack in typecheck where we marked itabs that we
expected to need later. Instead, the calls to ITabAddr in walk now
handle generating the wrappers.

3. Changes the SSA interface call devirtualization algorithm to just
use the itab symbol data (namely, its relocations) to figure out what
pointer is available in memory at the given offset. This decouples it
somewhat from reflectdata.

Change-Id: I8fe06922af8f8a1e7c93f5aff2b60ff59b8e7114
Reviewed-on: https://go-review.googlesource.com/c/go/+/327871
Run-TryBot: Matthew Dempsky <mdempsky@google.com>
TryBot-Result: Go Bot <gobot@golang.org>
Trust: Matthew Dempsky <mdempsky@google.com>
Reviewed-by: Cherry Mui <cherryyz@google.com>
2021-06-16 20:57:38 +00:00
.github .github: add link to questions in ISSUE_TEMPLATE 2020-01-06 17:05:31 +00:00
api api: promote next to go1.17 2021-06-09 22:49:08 +00:00
doc doc/go1.17: document go run pkg@version 2021-06-15 17:05:31 +00:00
lib/time lib/time, time/tzdata: update tzdata to 2021a 2021-01-25 16:08:46 +00:00
misc misc/cgo: generate Windows import libraries for clang 2021-06-13 23:53:43 +00:00
src [dev.typeparams] cmd/compile: simplify SSA devirtualization 2021-06-16 20:57:38 +00:00
test [dev.typeparams] all: merge master (785a8f6) into dev.typeparams 2021-06-16 14:59:13 +07:00
.gitattributes all: treat all files as binary, but check in .bat with CRLF 2020-06-08 15:31:43 +00:00
.gitignore internal/buildcfg: move build configuration out of cmd/internal/objabi 2021-04-16 19:20:53 +00:00
AUTHORS A+C: update name 2021-06-01 17:08:12 +00:00
codereview.cfg [dev.typeparams] all: update parent repository 2021-02-18 22:34:52 +00:00
CONTRIBUTING.md
CONTRIBUTORS A+C: update name 2021-06-01 17:08:12 +00:00
LICENSE
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README.md README: pull gopher image from website 2021-02-16 18:25:10 +00:00
SECURITY.md

README.md

The Go Programming Language

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

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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.