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Mirror of https://github.com/RPCS3/llvm-mirror
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Sanjay Patel 2355899d99 add unpredictable metadata type for control flow 
This patch defines 'unpredictable' metadata. This metadata can be used to signal to the optimizer
or backend that a branch or switch is unpredictable, and therefore, it's probably better to not
split a compound predicate into multiple branches such as in CodeGenPrepare::splitBranchCondition().

This was discussed in:
https://llvm.org/bugs/show_bug.cgi?id=23827

Dependent patches to alter codegen and expose this in clang to follow.

Differential Revision; http://reviews.llvm.org/D12341

llvm-svn: 246688
2015-09-02 19:06:43 +00:00
autoconf Add an exposed variable for which c++ compiler we're using for our 2015-08-17 22:46:26 +00:00
bindings [PM/AA] Remove the last relics of the separate IPA library from LLVM, 2015-08-18 17:51:53 +00:00
cmake [CMake] Don't use OBJLIB on Xcode. 2015-09-02 10:11:26 +00:00
docs add unpredictable metadata type for control flow 2015-09-02 19:06:43 +00:00
examples Kaleidoscope: Prune __attribute__((used)). Some compilers wouldn't accept one. 2015-08-28 03:34:33 +00:00
include add unpredictable metadata type for control flow 2015-09-02 19:06:43 +00:00
lib add unpredictable metadata type for control flow 2015-09-02 19:06:43 +00:00
projects build: make libunwind a proper project 2015-04-25 01:47:39 +00:00
resources In MSVC builds embed a VERSIONINFO resource in our exe and DLL files. 2015-06-12 15:58:29 +00:00
test test: Only warn about missing substitutions for required tools 2015-09-02 18:03:01 +00:00
tools [llvm-reaodbj] Simplify code. No functional change (intended). 2015-09-02 16:53:25 +00:00
unittests [ValueTracking] Minor comment change in test 2015-09-02 17:29:54 +00:00
utils [TableGen] Allow TokenTy in intrinsic signatures 2015-09-02 13:36:25 +00:00
.arcconfig Updated phabricator server. 2014-04-07 03:57:04 +00:00
.clang-format Test commit. 2014-03-02 13:08:46 +00:00
.clang-tidy Enable display of compiler diagnostics in clang-tidy by default. 2014-10-29 17:29:38 +00:00
.gitignore Minor updates to gitignore so that symlinks are ignored in the projects dir. 2015-07-07 20:24:58 +00:00
CMakeLists.txt Enable linking tools, shared libraries against libLLVM 2015-09-01 03:14:31 +00:00
CODE_OWNERS.TXT Add myself as the InstCombine owner. 2015-08-12 22:30:45 +00:00
configure Add an exposed variable for which c++ compiler we're using for our 2015-08-17 22:46:26 +00:00
CREDITS.TXT [WebAssembly] Initial WebAssembly backend 2015-06-29 23:51:55 +00:00
LICENSE.TXT Update for a new year. 2015-03-12 01:25:29 +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
Makefile [configure/make] Propagate names of build host tools when making BuildTools 2014-03-25 21:45:41 +00:00
Makefile.common
Makefile.config.in We're actually -Wmissing-field-initializers clean thanks to the cmake 2015-08-07 16:44:47 +00:00
Makefile.rules We're actually -Wmissing-field-initializers clean thanks to the cmake 2015-08-07 16:44:47 +00:00
README.txt Revert test commit at revision 233535. 2015-03-30 12:39:03 +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're writing a package for LLVM, see docs/Packaging.rst for our
suggestions.