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3b48753a2f
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Evgeniy Stepanov 3b48753a2f Copy arguments passed by value into explicit allocas for ASan. 
ASan determines the stack layout from alloca instructions. Since
arguments marked as "byval" do not have an explicit alloca instruction, ASan
does not produce red zones for them. This commit produces an explicit alloca
instruction and copies the byval argument into the allocated memory so that red
zones are produced.

Patch by Matt Morehouse.

Differential revision: https://reviews.llvm.org/D34789

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@307342 91177308-0d34-0410-b5e6-96231b3b80d8
2017-07-07 00:48:25 +00:00
bindings [NFC] Remove multiple semicolons 2017-06-28 23:15:16 +00:00
cmake CMake: Add LLVM_UTILS_INSTALL_DIR option 2017-07-05 12:57:30 +00:00
docs [lit] Modify LIT to accept environment variable LIT_FILTER to select tests. 2017-07-07 00:22:11 +00:00
examples [Orc] Remove the memory manager argument to addModule, and de-templatize the 2017-07-04 04:42:30 +00:00
include [ConstHoisting] choose to hoist when frequency is the same. 2017-07-06 22:32:27 +00:00
lib Copy arguments passed by value into explicit allocas for ASan. 2017-07-07 00:48:25 +00:00
projects Add temporary workaround to allow in-tree libc++ builds on Windows 2017-05-11 01:44:30 +00:00
resources In MSVC builds embed a VERSIONINFO resource in our exe and DLL files. 2015-06-12 15:58:29 +00:00
runtimes [CMake][runtimes] Add install target for runtimes builtins 2017-06-02 19:38:11 +00:00
test Copy arguments passed by value into explicit allocas for ASan. 2017-07-07 00:48:25 +00:00
tools Prototype: Reduce llvm-profdata merge memory usage further 2017-07-06 19:00:12 +00:00
unittests [ORC] Update GlobalMappingLayer::addModuleSet to addModule. 2017-07-06 21:33:48 +00:00
utils [lit] Modify LIT to accept environment variable LIT_FILTER to select tests. 2017-07-07 00:22:11 +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 Test commit. 2014-03-02 13:08:46 +00:00
.clang-tidy .clang-tidy: correct style name is 'camelBack' not 'lowerCase'. 2016-09-13 19:04:26 +00:00
.gitignore gitignore: Ignore .vs folder (VS2017 config files) 2017-04-08 00:16:58 +00:00
CMakeLists.txt CMake: Add LLVM_UTILS_INSTALL_DIR option 2017-07-05 12:57:30 +00:00
CODE_OWNERS.TXT Remove the BBVectorize pass. 2017-06-30 07:09:08 +00:00
configure Remove autoconf support 2016-01-26 21:29:08 +00:00
CREDITS.TXT Another test commit 2017-07-01 03:24:06 +00:00
LICENSE.TXT Bump year to 2017 in LICENSE.txt 2017-01-12 18:02:42 +00:00
llvm.spec.in [Sparc] Implement i64 load/store support for 32-bit sparc. 2015-08-10 19:11:39 +00:00
LLVMBuild.txt Remove the very substantial, largely unmaintained legacy PGO 2013-10-02 15:42:23 +00:00
README.txt Test commit. Added a blank line. 2017-03-06 20:45:33 +00:00
RELEASE_TESTERS.TXT Update the release tester for MIPS. NFC. 2017-01-17 11:00:28 +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.