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Mirror of https://github.com/RPCS3/llvm-mirror
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ee9e4fc042
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Max Kazantsev ee9e4fc042 [SafepointIRVerifier] Allow non-dereferencing uses of unrelocated or poisoned PHI nodes 
PHI that has at least one unrelocated input cannot cause any issues by itself,
though its uses should be carefully verified. With this patch PHIs are allowed
to have any inputs but when all inputs are unrelocated the PHI is marked as
unrelocated and if not all inputs are unrelocated then the PHI is marked as
poisoned. Poisoned pointers can be used only in three ways: to derive new
pointers, in PHIs or in comparisons against constants that are exclusively
derived from null.

Patch by Daniil Suchkov!

Differential Revision: https://reviews.llvm.org/D41006

llvm-svn: 321438
2017-12-25 09:35:10 +00:00
bindings Update go bindings to use new functions from rL317135. 2017-11-02 10:22:26 +00:00
cmake [cmake] Always respect existing CMAKE_REQUIRED_FLAGS when adding additional ones. 2017-12-25 01:23:09 +00:00
docs PR35705: Fix Chapter 9 example code for API changes to DIBuilder 2017-12-20 19:36:54 +00:00
examples PR35705: Fix Chapter 9 example code for API changes to DIBuilder 2017-12-20 19:36:54 +00:00
include [SimplifyCFG] Don't do if-conversion if there is a long dependence chain 2017-12-22 18:54:04 +00:00
lib [SafepointIRVerifier] Allow non-dereferencing uses of unrelocated or poisoned PHI nodes 2017-12-25 09:35:10 +00:00
projects [cmake] Support moving debuginfo-tests to llvm/projects 2017-12-12 17:06:08 +00:00
resources
runtimes [runtimes] Add install-*-stripped targets 2017-12-08 19:42:46 +00:00
test [SafepointIRVerifier] Allow non-dereferencing uses of unrelocated or poisoned PHI nodes 2017-12-25 09:35:10 +00:00
tools [llvm-readobj] Fix ambiguous call to the printNumber 2017-12-21 10:46:20 +00:00
unittests Unbreak the build. Combining chrono with Optional is annoying. 2017-12-22 21:18:50 +00:00
utils [git-llvm] Handle files ignored by svn correctly 2017-12-22 21:19:13 +00:00
.arcconfig project_id is from another era in phabricator land and does not provide any value. 2016-09-27 15:47:29 +00:00
.clang-format
.clang-tidy
.gitattributes [MC] Fix regression tests on Windows when git “core.autocrlf” is set to true. 2017-11-17 21:59:43 +00:00
.gitignore gitignore: Ignore .vs folder (VS2017 config files) 2017-04-08 00:16:58 +00:00
CMakeLists.txt [cmake] Update experimental target error message 2017-12-18 19:15:15 +00:00
CODE_OWNERS.TXT Update my email addresses, NFC. 2017-10-26 10:16:54 +00:00
configure
CREDITS.TXT Add myself to CREDITS.txt 2017-09-18 14:33:39 +00:00
LICENSE.TXT Bump year to 2017 in LICENSE.txt 2017-01-12 18:02:42 +00:00
llvm.spec.in
LLVMBuild.txt
README.txt Test commit access 2017-08-18 02:39:28 +00:00
RELEASE_TESTERS.TXT Update my email addresses, NFC. 2017-10-26 10:16:54 +00:00

README.txt 

Low Level Virtual Machine (LLVM)
================================

This directory and its subdirectories contain source code for LLVM,
a toolkit for the construction of highly optimized compilers,
optimizers, and runtime environments.

LLVM is open source software. You may freely distribute it under the terms of
the license agreement found in LICENSE.txt.

Please see the documentation provided in docs/ for further
assistance with LLVM, and in particular docs/GettingStarted.rst for getting
started with LLVM and docs/README.txt for an overview of LLVM's
documentation setup.

If you are writing a package for LLVM, see docs/Packaging.rst for our
suggestions.