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LLVM backend for 6502
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Matthias Braun 2f2dec87fb InstCombine: Combine select sequences into a single select 
Normalize
select(C0, select(C1, a, b), b) -> select((C0 & C1), a, b)
select(C0, a, select(C1, a, b)) -> select((C0 | C1), a, b)

This normal form may enable further combines on the And/Or and shortens
paths for the values. Many targets prefer the other but can go back
easily in CodeGen.

Differential Revision: http://reviews.llvm.org/D7399

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@228409 91177308-0d34-0410-b5e6-96231b3b80d8
2015-02-06 17:49:36 +00:00
autoconf Fix some bashims. More information on https://wiki.ubuntu.com/DashAsBinSh. Reported initially on https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=772302 & https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=772301 2015-02-01 14:55:43 +00:00
bindings [OCaml] Add Llvm.build_empty_phi. 2015-02-06 13:42:03 +00:00
cmake Handle LLVM_USE_SANITIZER=Address;Undefined (and the other way around) 2015-02-04 22:33:31 +00:00
docs [docs] Put an explicit link to InAlloca.rst 2015-02-04 20:51:19 +00:00
examples Reorder. 2015-01-19 00:35:33 +00:00
include LiveInterval: Fix SubRange memory leak. 2015-02-06 17:28:47 +00:00
lib InstCombine: Combine select sequences into a single select 2015-02-06 17:49:36 +00:00
projects
test InstCombine: Combine select sequences into a single select 2015-02-06 17:49:36 +00:00
tools Identical code for different branches (CID 1254883) 2015-02-05 17:00:23 +00:00
unittests InstrProf: Avoid using std::to_string 2015-02-05 19:54:27 +00:00
utils Correcting keyword highlighting in llvm-mode.el. 2015-02-06 13:57:58 +00:00
.arcconfig
.clang-format
.clang-tidy
.gitignore Add one more vim swap file pattern 2015-01-30 21:59:28 +00:00
CMakeLists.txt Fix ProgramFiles path for 64-bit Windows installer 2015-02-03 18:31:29 +00:00
CODE_OWNERS.TXT Assume code ownership for the PS4 to ensure patches get reviewed, per the Developer Policy. 2015-01-28 18:33:39 +00:00
configure Fix some bashims. More information on https://wiki.ubuntu.com/DashAsBinSh. Reported initially on https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=772302 & https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=772301 2015-02-01 14:55:43 +00:00
CREDITS.TXT
LICENSE.TXT
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 a check for misbehaving -Wcomment from gcc-4.7 and add 2014-11-05 00:35:15 +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.