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Anna Thomas 83fe6115e6 [SafepointIRVerifier] Allow deriving pointers from unrelocated base 
Summary:
This patch allows to use derived pointers (GEPs/bitcasts) of unrelocated
base pointers. We care only about the uses of these derived pointers.

It is acheived by two changes:
1. When we have enough information to say if the pointer is unrelocated at some
point or not, we walk all BBs to remove from their Contributions all valid defs
of unrelocated pointers (GEP with unrelocated base or bitcast of unrelocated
pointer).
2. When it comes to verification we just ignore instructions that were removed
at stage 1.

Patch by Daniil Suchkov!

Reviewers: anna, reames, apilipenko, mkazantsev

Reviewed By: anna, mkazantsev

Subscribers: llvm-commits

Differential Revision: https://reviews.llvm.org/D40289

llvm-svn: 319838
2017-12-05 21:39:37 +00:00
bindings Update go bindings to use new functions from rL317135. 2017-11-02 10:22:26 +00:00
cmake Re-commit "[cmake] Enable zlib support on windows" 2017-12-05 10:24:15 +00:00
docs [XRay][docs] Document xray_mode and log registration API. 2017-12-05 12:43:12 +00:00
examples Fix broken links to the Itanium CXX ABI 2017-09-12 00:19:11 +00:00
include Re-commit r319490 "XOR the frame pointer with the stack cookie when protecting the stack" 2017-12-05 20:22:20 +00:00
lib [SafepointIRVerifier] Allow deriving pointers from unrelocated base 2017-12-05 21:39:37 +00:00
projects Re-revert "Refactor debuginfo-tests." 2017-11-21 01:20:28 +00:00
resources
runtimes [CMake][runtimes] Support monorepo layout with runtimes build 2017-11-27 22:31:11 +00:00
test [SafepointIRVerifier] Allow deriving pointers from unrelocated base 2017-12-05 21:39:37 +00:00
tools Test commit, as per the LLVM Developer Policy. 2017-12-05 07:50:00 +00:00
unittests [ConstantRange] Support subtraction in makeGuaranteedNoWrapRegion. 2017-12-05 18:14:23 +00:00
utils Revert r319691: [globalisel][tablegen] Split atomic load/store into separate opcode and enable for AArch64. 2017-12-05 05:52:07 +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 .clang-tidy: correct style name is 'camelBack' not 'lowerCase'. 2016-09-13 19:04:26 +00:00
.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 [llvm] Add stripped installation targets 2017-11-30 21:48:26 +00:00
CODE_OWNERS.TXT Update my email addresses, NFC. 2017-10-26 10:16:54 +00:00
configure Remove autoconf support 2016-01-26 21:29:08 +00:00
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
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Please see the documentation provided in docs/ for further
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If you are writing a package for LLVM, see docs/Packaging.rst for our
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