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Mirror of https://github.com/RPCS3/llvm-mirror
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Matthias Braun 72b82f2894 RegisterCoalescer: Fix implicit def handling in register coalescer 
If liveranges induced by an IMPLICIT_DEF get completely covered by a
proper liverange the IMPLICIT_DEF instructions and its corresponding
definitions have to be removed from the live ranges. This has to happen
in the subregister live ranges as well (I didn't see this case earlier
because in most programs only some subregisters are covered and the
IMPLCIT_DEF won't get removed).

No testcase, I spent hours trying to create one for one of the public
targets, but ultimately failed because I couldn't manage to properly
control the placement of COPY and IMPLICIT_DEF instructions from an .ll
file.

llvm-svn: 233217
2015-03-25 21:18:24 +00:00
autoconf [autoconf] Fix the build failure by quoting the strings. 2015-03-12 19:56:25 +00:00
bindings Go bindings: use MDNode::replaceAllUsesWith instead of MDTuple::replaceAllUsesWith. 2015-03-05 22:55:38 +00:00
cmake Disabling warnings for MSVC build to enable /W4 use. 2015-03-24 23:37:10 +00:00
docs WinEH: Create an unwind help alloca for __CxxFrameHandler3 xdata tables 2015-03-25 20:10:36 +00:00
examples Fix build. 2015-03-25 04:36:20 +00:00
include WinEH: Create an unwind help alloca for __CxxFrameHandler3 xdata tables 2015-03-25 20:10:36 +00:00
lib RegisterCoalescer: Fix implicit def handling in register coalescer 2015-03-25 21:18:24 +00:00
projects Reverse the order libc++ and libc++abi are added in CMake. 2015-03-04 01:16:43 +00:00
test Linker: Loosen checks slightly from r233207 2015-03-25 20:51:21 +00:00
tools llvm-jitlistener: Add missing include. 2015-03-25 17:12:36 +00:00
unittests [APInt] Add an isSplat helper and use it in some places. 2015-03-25 16:49:59 +00:00
utils Revert "Use std::bitset for SubtargetFeatures" 2015-03-24 12:56:59 +00:00
.arcconfig
.clang-format
.clang-tidy Enable display of compiler diagnostics in clang-tidy by default. 2014-10-29 17:29:38 +00:00
.gitignore Add one more vim swap file pattern 2015-01-30 21:59:28 +00:00
CMakeLists.txt test: Fix the dependencies for the check-llvm-* targets 2015-03-25 08:07:47 +00:00
CODE_OWNERS.TXT Tom is also responsible for the 3.6 branch. 2015-03-16 18:15:27 +00:00
configure [autoconf] Fix the build failure by quoting the strings. 2015-03-12 19:56:25 +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
LLVMBuild.txt
Makefile
Makefile.common
Makefile.config.in Add a check for misbehaving -Wcomment from gcc-4.7 and add 2014-11-05 00:35:15 +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 2015-02-04 18:46:00 +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.