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Mirror of https://github.com/RPCS3/llvm-mirror
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Andrew Trick 3b4463f718 Fix and improve SCEV ComputeBackedgeTankCount. 
This is a follow-up to r209358: PR19799: Indvars miscompile due to an
incorrect max backedge taken count from SCEV.

That fix was incomplete as pointed out by Arnold and Michael Z. The
code was also too confusing. It needed a careful rewrite with more
unit tests. This version will also happen to optimize more cases.

<rdar://17005101> PR19799: Indvars miscompile...

llvm-svn: 209545
2014-05-23 19:47:13 +00:00
autoconf ARM64: initial backend import 2014-03-29 10:18:08 +00:00
bindings [OCaml] Add an ocamlfind package llvm.all_backends. 2014-05-01 21:00:52 +00:00
cmake Use llvm-lit if LLVM source tree is unavailable. 2014-05-21 16:44:03 +00:00
docs Updated the llvm.mem.parallel_loop_access semantics to include the possibility 2014-05-23 11:35:46 +00:00
examples Try to fix the msvc build. 2014-04-29 23:37:02 +00:00
include [YAML] Add an optional argument EnumMask to the yaml::IO::bitSetCase(). 2014-05-23 08:07:09 +00:00
lib Fix and improve SCEV ComputeBackedgeTankCount. 2014-05-23 19:47:13 +00:00
projects Remove projects/sample. 2014-03-12 22:40:22 +00:00
test Fix and improve SCEV ComputeBackedgeTankCount. 2014-05-23 19:47:13 +00:00
tools llvm-ar: Output the file we errored on. 2014-05-23 05:52:12 +00:00
unittests Use std::unique_ptr instead of OwningPtr in the MemoryBuffer unittests. 2014-05-18 21:01:46 +00:00
utils Teach the table generated emitPseudoExpansionLowering function to not emit a switch statement containing only a default statement (and no cases). Updated some of the code to use range-based for loops as well. No functional changes. 2014-05-23 15:33:39 +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
.gitignore Remove projects/sample. 2014-03-12 22:40:22 +00:00
CMakeLists.txt [CMake] Add build rules for llvm-PerfectShuffle utility 2014-05-07 16:54:00 +00:00
CODE_OWNERS.TXT ARM Linux support 2014-04-02 23:03:28 +00:00
configure ARM64: initial backend import 2014-03-29 10:18:08 +00:00
CREDITS.TXT Test commit. 2014-04-10 22:25:51 +00:00
LICENSE.TXT Remove projects/sample. 2014-03-12 22:40:22 +00:00
llvm.spec.in
LLVMBuild.txt Remove the very substantial, largely unmaintained legacy PGO 2013-10-02 15:42:23 +00:00
Makefile [configure/make] Propagate names of build host tools when making BuildTools 2014-03-25 21:45:41 +00:00
Makefile.common Makefile.common: Update a description, s/Source/SOURCES/ , according to MakefileGuide.html#control-variables . 2012-12-07 01:43:23 +00:00
Makefile.config.in Add a --enable-clang-plugin-support option to configure. 2014-03-10 16:58:35 +00:00
Makefile.rules autoconf: Fix libLLVM-Major-Minor-Patch.so symlink 2014-05-15 19:50:25 +00:00
README.txt Trivial test commit. 2014-04-26 19:05:45 +00:00

README.txt 

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

This directory and its subdirectories contain source code for the Low Level
Virtual Machine, 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.