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Alan Donovan 8f1fdf33de go.tools/ssa: opt: improve the "unused φ-node" check to eliminate self-refs, debug-refs.
This removes about 5% of φ-nodes in one large program
and eliminates many zero-value constants.

(This does cause some Idents to no longer map to an ssa.Value.
This is observable in the oracle, whose tests are here updated.)

R=gri, gri
CC=golang-dev
https://golang.org/cl/26980043
2013-11-21 14:19:38 -05:00
astutil go.tools: cleanups (added copyrights to astutil, clearer logic in go/types) 2013-11-19 09:07:02 -08:00
blog go.tools/blog: strip prefix when serving static content 2013-11-08 13:28:32 +11:00
call go.tools/pointer: use new callgraph API. 2013-09-25 17:17:42 -04:00
cmd godoc: add search results that point to documentation instead of source. 2013-11-21 11:55:42 -05:00
dashboard go.tools/dashboard/builder: ignore GOPATH setting during build (on windows) 2013-11-01 11:28:31 +11:00
go go.tools/go/types: record correct type for parenthesized x.(T) in comma-ok expressions 2013-11-21 09:11:57 -08:00
godoc godoc: add search results that point to documentation instead of source. 2013-11-21 11:55:42 -05:00
importer go.tools/go/types: move gcimporter to its own package 2013-11-14 14:11:43 -08:00
oracle go.tools/ssa: opt: improve the "unused φ-node" check to eliminate self-refs, debug-refs. 2013-11-21 14:19:38 -05:00
playground go.tools/present: add support for non Go code execution 2013-10-14 14:14:08 -07:00
pointer go.tools/go/types: move gcimporter to its own package 2013-11-14 14:11:43 -08:00
present go.tools/present: add extension name to Code 2013-11-06 13:02:20 -08:00
ssa go.tools/ssa: opt: improve the "unused φ-node" check to eliminate self-refs, debug-refs. 2013-11-21 14:19:38 -05:00
.hgignore go.empty: prototype for new subrepository 2012-01-25 14:45:13 -05:00
AUTHORS go.empty: prototype for new subrepository 2012-01-25 14:45:13 -05:00
CONTRIBUTORS go.empty: prototype for new subrepository 2012-01-25 14:45:13 -05:00
LICENSE LICENSE: add 2012-03-17 15:20:58 +11:00
PATENTS go.empty: add PATENTS file to the subrepo. 2012-04-16 11:24:04 +10:00
README go.tools/README: minor correction. 2013-10-29 13:20:58 -04:00
codereview.cfg go.empty: prototype for new subrepository 2012-01-25 14:45:13 -05:00

README

This subrepository holds the source for various packages and tools that support
the Go programming language.

Some of the tools, godoc and vet for example, are included in binary Go distributions.
Others, including the Go oracle and the test coverage tool, can be fetched with "go get".

Packages include a type-checker for Go and an implementation of the
Static Single Assignment form (SSA) representation for Go programs.

To submit changes to this repository, see http://golang.org/doc/contribute.html.