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LLVM backend for 6502
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f0240dde53
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Philip Reames f0240dde53 [PlaceSafepoints] Reduce dominator tree recalculation 
Reduce recalculation of the dominator tree by identifying all sites that will need a safepoint poll before doing any of the insertion. This allows us to invalidate the dominator info once, rather than once per safepoint poll inserted.

While I'm at it, update findLocationForEntrySafepoint to properly update the dom tree now that the interface has been made easy. When first written, it wasn't per comment in the code.

Differential Revision: http://reviews.llvm.org/D9727



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@237220 91177308-0d34-0410-b5e6-96231b3b80d8
2015-05-13 00:32:23 +00:00
autoconf Deprecate in-source autotools builds 2015-05-04 02:04:54 +00:00
bindings IR: Give 'DI' prefix to debug info metadata 2015-04-29 16:38:44 +00:00
cmake Allow the CMake option 'LLVM_ABI_BREAKING_CHECKS' to be undefined. 2015-05-12 22:49:18 +00:00
docs [Statepoints] Support for "patchable" statepoints. 2015-05-12 23:52:24 +00:00
examples [Orc] Reapply r236465 with fixes for the MSVC bots. 2015-05-05 17:37:18 +00:00
include [Statepoints] Support for "patchable" statepoints. 2015-05-12 23:52:24 +00:00
lib [PlaceSafepoints] Reduce dominator tree recalculation 2015-05-13 00:32:23 +00:00
projects build: make libunwind a proper project 2015-04-25 01:47:39 +00:00
test [SLSR] handles non-canonicalized Mul candidates 2015-05-13 00:03:17 +00:00
tools Migrate existing backends that care about software floating point 2015-05-12 01:26:05 +00:00
unittests Readdress r236990, use of static members on a non-static variable. 2015-05-11 22:20:48 +00:00
utils Fix tablegen's PrintFatalError function to run registered file 2015-05-11 22:17:13 +00:00
.arcconfig Updated phabricator server. 2014-04-07 03:57:04 +00:00
.clang-format
.clang-tidy
.gitignore Ignore compile_commands.json only at the root of the tree. 2015-03-26 18:55:42 +00:00
CMakeLists.txt [CMake] Updates to llvm-shlib to support overriding exports list and added an option to export all symbols. 2015-04-13 21:29:46 +00:00
CODE_OWNERS.TXT Added Andrey Churbanov as the owner of the OpenMP runtime library code 2015-05-05 20:17:53 +00:00
configure Deprecate in-source autotools builds 2015-05-04 02:04:54 +00:00
CREDITS.TXT Rise from the dead and update personal info 2014-08-25 17:51:04 +00:00
LICENSE.TXT Update for a new year. 2015-03-12 01:25:29 +00:00
llvm.spec.in Tidy up. s/Low Level Virtual Machine/LLVM/. 2012-01-25 22:00:23 +00:00
LLVMBuild.txt Remove the very substantial, largely unmaintained legacy PGO 2013-10-02 15:42:23 +00:00
Makefile
Makefile.common
Makefile.config.in Deprecate in-source autotools builds 2015-05-04 02:04:54 +00:00
Makefile.rules Add support for SunOS function/data sections and associated 2015-03-03 20:54:29 +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
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