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Keith Randall 5ebdfd905d [release-branch.go1.13] cmd/compile: don't addLocalInductiveFacts if there is no direct edge from if block to phi block
Currently in addLocalInductiveFacts, we only check whether
direct edge from if block to phi block exists. If not, the
following logic will treat the phi block as the first successor,
which is wrong.

This patch makes prove pass more conservative, so we disable
some cases in test/prove.go. We will do some optimization in
the following CL and enable these cases then.

Fixes #40500.

Change-Id: I27cf0248f3a82312a6f7dabe11c79a1a34cf5412
Reviewed-on: https://go-review.googlesource.com/c/go/+/244579
Reviewed-by: Zach Jones <zachj1@gmail.com>
Reviewed-by: Keith Randall <khr@golang.org>
Run-TryBot: Keith Randall <khr@golang.org>
TryBot-Result: Gobot Gobot <gobot@golang.org>
Reviewed-on: https://go-review.googlesource.com/c/go/+/245957
Reviewed-by: David Chase <drchase@google.com>
Reviewed-by: Carlos Amedee <carlos@golang.org>
2020-08-03 15:12:57 +00:00
.github .github: don't render author-facing text in ISSUE_TEMPLATE 2018-11-02 04:47:34 +00:00
api api/go1.13: add debug/elf.Symbol fields added in CL 184099 2019-08-08 18:44:16 +00:00
doc [release-branch.go1.13] doc: add CherryPickApproved filter to Release History links 2019-12-09 19:53:51 +00:00
lib/time lib/time: update tz data to 2019b 2019-07-03 23:08:27 +00:00
misc [release-branch.go1.13] cmd/trace: update to use WebComponents V0 polyfill 2020-03-02 22:34:12 +00:00
src [release-branch.go1.13] cmd/compile: don't addLocalInductiveFacts if there is no direct edge from if block to phi block 2020-08-03 15:12:57 +00:00
test [release-branch.go1.13] cmd/compile: don't addLocalInductiveFacts if there is no direct edge from if block to phi block 2020-08-03 15:12:57 +00:00
.gitattributes
.gitignore .gitignore: ignore src/cmd/dist/dist 2017-10-28 21:55:49 +00:00
AUTHORS A: Add Maya Rashish (individual CLA) 2019-04-23 14:40:30 +00:00
CONTRIBUTING.md all: restore changes from faulty merge/revert 2018-02-12 20:13:59 +00:00
CONTRIBUTORS [release-branch.go1.13] CONTRIBUTORS: second round of updates for Go 1.13 2019-08-28 23:04:55 +00:00
LICENSE doc: revert copyright date to 2009 2016-06-01 22:40:04 +00:00
PATENTS
README.md README: linkify some paths 2018-06-06 18:07:01 +00:00
SECURITY.md SECURITY.md: add security file 2019-05-23 21:22:44 +00:00
VERSION [release-branch.go1.13] go1.13.14 2020-07-16 22:23:43 +00:00
favicon.ico website: recreate 16px and 32px favicon 2016-08-25 15:43:32 +00:00
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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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