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LLVM backend for 6502
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84fca61ca5
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Shuxin Yang 84fca61ca5 rdar://12100355 (part 1) 
This revision attempts to recognize following population-count pattern:

 while(a) { c++; ... ; a &= a - 1; ... },
  where <c> and <a>could be used multiple times in the loop body.

 TODO: On X8664 and ARM, __buildin_ctpop() are not expanded to a efficent 
instruction sequence, which need to be improved in the following commits.

Reviewed by Nadav, really appreciate!


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@168931 91177308-0d34-0410-b5e6-96231b3b80d8
2012-11-29 19:38:54 +00:00
autoconf Fix a pasto. 2012-11-19 19:31:02 +00:00
bindings [python] fix get_library() 2012-11-20 22:27:55 +00:00
cmake Removing SUPPORTS_COVERED_SWITCH_DEFAULT_FLAG 2012-11-26 02:02:08 +00:00
docs Documentation for FileCheck: use 'option' and 'program' directives. 2012-11-29 19:21:02 +00:00
examples Fix gcc's -Wunused-but-set-variable warnings. 2012-11-26 00:56:44 +00:00
include rdar://12100355 (part 1) 2012-11-29 19:38:54 +00:00
lib rdar://12100355 (part 1) 2012-11-29 19:38:54 +00:00
projects Add ENABLE_CXX11 and ENABLE_WERROR to Makefile.llvm.rules for sample project. They were previously added to Makefile.llvm.config.in but the consumption was missing 2012-11-27 08:12:24 +00:00
runtime libprofile/CommonProfiling.c: Fix according to C89. 2012-11-02 01:32:02 +00:00
test rdar://12100355 (part 1) 2012-11-29 19:38:54 +00:00
tools One more step towards making doInitialization and doFinalization useful for 2012-11-29 17:47:05 +00:00
unittests Whoops, fixed bad merge 2012-11-28 21:21:18 +00:00
utils Add an MCPhysReg typedef to replace naked uint16_t. 2012-11-29 02:39:28 +00:00
.gitignore Add extra vim swap file pattern 2012-10-09 23:48:34 +00:00
CMakeLists.txt Kick off 3.3 cycle for LLVM trunk. 2012-11-17 22:01:08 +00:00
CODE_OWNERS.TXT Remove some Clang-specific ownership roles. 2012-11-27 00:48:36 +00:00
configure Fix a pasto. 2012-11-19 19:31:02 +00:00
CREDITS.TXT Finally add myself to the credits. 2012-11-16 18:44:36 +00:00
LICENSE.TXT Few more small CellSPU removals. 2012-11-14 22:13:56 +00:00
llvm.spec.in
LLVMBuild.txt
Makefile [c-index-test] When building with BUILD_CLANG_ONLY=YES, include c-index-test. 2012-11-06 19:54:46 +00:00
Makefile.common
Makefile.config.in Re-enable support for --program-prefix. 2012-10-01 18:40:32 +00:00
Makefile.rules Use MACOSX_DEPLOYMENT_TARGET when it is set. <rdar://problem/12433905> 2012-10-12 21:48:14 +00:00
README.txt Test commit. 2012-11-29 16:19:11 +00:00

README.txt 

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

This directory and its subdirectories contain source code for the Low Level
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LLVM is open source software. You may freely distribute it under the terms of
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Please see the HTML documentation provided in docs/index.html for further
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If you're writing a package for LLVM, see docs/Packaging.html for our
suggestions.