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Mirror of https://github.com/RPCS3/llvm-mirror
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Michal Gorny 7f8c085cf4 [ADT] APFloatBase: Prevent collapsing semPPCDoubleDouble and semBogus 
Provide a distinct contents for semBogus and semPPCDoubleDouble in order
to prevent compilers from collapsing them to a single memory address,
while we heavily rely on every semantic having distinct address.

This happens if insecure optimization collapsing identical values is
enabled. As a result, APFloats of semBogus are indistinguishable from
semPPCDoubleDouble -- and whenever the move constructor is used, the old
value beings being incorrectly recognized as a semPPCDoubleDouble.

Since the values in semPPCDoubleDouble are not used anywhere,
we can easily solve this issue via altering the value of one of the
fields and therefore ensuring that the collapse can not occur.

Differential Revision: https://reviews.llvm.org/D28112

llvm-svn: 290896
2017-01-03 16:33:50 +00:00
bindings Fix go bindings after r289702 (hopefully, don't really know how to build 2016-12-15 06:54:29 +00:00
cmake [cmake] Normalize LLVM_ENABLE_DIA_SDK to fix Windows tests 2017-01-02 20:22:45 +00:00
docs [cmake] Add LLVM_ENABLE_DIA_SDK option, and expose it in LLVMConfig 2017-01-02 18:19:35 +00:00
examples BrainF example: fixing segfault caused by outdated code with missing MCJIT dependency 2016-12-15 19:29:42 +00:00
include [AVX-512] Remove vinsert intrinsics and autoupgrade to native shufflevectors. There are some codegen problems here that I'll try to fix in future commits. 2017-01-03 05:45:57 +00:00
lib [ADT] APFloatBase: Prevent collapsing semPPCDoubleDouble and semBogus 2017-01-03 16:33:50 +00:00
projects [CMake] Correct configuration order of the sub-projects based on ther dependancies 2016-10-09 20:38:29 +00:00
resources
runtimes [CMake] Set HAVE_${runtime} before including any subdirectories 2017-01-02 20:33:33 +00:00
test [AVX-512] Teach shuffle lowering to use vinsert instructions for shuffles corresponding to 256-bit subvector inserts. 2017-01-03 07:00:40 +00:00
tools DebugInfo: change the PDB UniqueId type to uint8_t 2016-12-30 19:42:13 +00:00
unittests Fix an issue with isGuaranteedToTransferExecutionToSuccessor 2016-12-31 22:12:34 +00:00
utils Fix indentation in r290716. 2016-12-29 20:05:51 +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
.gitignore [AVR] Add the integrated testing tool to the .gitignore 2016-12-14 11:47:14 +00:00
CMakeLists.txt Build KillTheDoctor with mingw-w64 2016-12-22 19:11:42 +00:00
CODE_OWNERS.TXT CODE_OWNERS: Take ownership of IR Linker as discussed on llvm-dev 2016-12-02 14:06:53 +00:00
configure
CREDITS.TXT Revert revision 289721. 2016-12-14 21:58:42 +00:00
LICENSE.TXT Remove autoconf references from LICENSE.TXT 2016-08-12 20:11:03 +00:00
llvm.spec.in
LLVMBuild.txt
README.txt Test commit, deleted empty line at the end of README.txt 2016-11-07 18:31:21 +00:00
RELEASE_TESTERS.TXT

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.