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e99741c2d5
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Balaram Makam e99741c2d5 [AArch64] Optimize compare and branch sequence when the compare's constant operand is power of 2 
Summary:
Peephole optimization that generates a single TBZ/TBNZ instruction
for test and branch sequences like in the example below. This handles
the cases that miss folding of AND into TBZ/TBNZ during ISelLowering of BR_CC

Examples:
   and  w8, w8, #0x400
   cbnz w8, L1
 to
   tbnz w8, #10, L1

Reviewers: MatzeB, jmolloy, mcrosier, t.p.northover

Subscribers: aemerson, rengolin, mcrosier, llvm-commits

Differential Revision: http://reviews.llvm.org/D17942

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@263136 91177308-0d34-0410-b5e6-96231b3b80d8
2016-03-10 17:54:55 +00:00
bindings Kill LLVMAddTargetData 2016-02-16 00:22:02 +00:00
cmake cmake: include what you use 2016-03-08 18:56:00 +00:00
docs Add an entry in the Release Notes for LLVMContext::discardValueNames() 2016-03-10 02:18:17 +00:00
examples Refactor duplicated code for linking with pthread. 2016-03-01 15:54:40 +00:00
include [ARM] Cortex-R8 support 2016-03-10 17:38:41 +00:00
lib [AArch64] Optimize compare and branch sequence when the compare's constant operand is power of 2 2016-03-10 17:54:55 +00:00
projects Remove autoconf support 2016-01-26 21:29:08 +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 [AArch64] Optimize compare and branch sequence when the compare's constant operand is power of 2 2016-03-10 17:54:55 +00:00
tools [CG] Actually hoist up the generic CallGraphPrinter pass from a weird 2016-03-10 11:08:44 +00:00
unittests [AsmParser] Expose an API to parse a string starting with a type. 2016-03-08 00:37:07 +00:00
utils [CodeGen] Add space-optimized EmitMergeInputChains1_2 to the DAG isel matching tables. Shaves about 5100 bytes from the X86 matcher table. NFC 2016-03-07 07:29:12 +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 adding readability-identifier-naming to llvm clang-tidy configuration. 2015-12-08 17:44:51 +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 [CMake] Add test-depends target to build dependencies of check-all 2016-03-02 17:56:30 +00:00
CODE_OWNERS.TXT Add self to CODE_OWNERS 2016-03-08 19:01:15 +00:00
configure Remove autoconf support 2016-01-26 21:29:08 +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
README.txt Revert previous test commit. 2016-01-04 19:13:29 +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 are writing a package for LLVM, see docs/Packaging.rst for our
suggestions.