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Sanjay Patel 1324c810b9 [InstSimplify] simplify power-of-2 (single bit set) sequences 
As discussed in PR42314:
https://bugs.llvm.org/show_bug.cgi?id=42314

Improving the canonicalization for these patterns:
rL363956
...means we should adjust/enhance the related simplification.

https://rise4fun.com/Alive/w1cp

  Name: isPow2 or zero
  %x = and i32 %xx, 2048
  %a = add i32 %x, -1
  %r = and i32 %a, %x
  =>
  %r = i32 0

llvm-svn: 363997
2019-06-20 22:55:28 +00:00
benchmarks Pull google/benchmark library to the LLVM tree 2018-08-28 09:42:41 +00:00
bindings [bindings/go][NFC] Format code with go fmt 2019-06-12 11:59:09 +00:00
cmake Specify log level for CMake messages (less stderr) 2019-06-19 15:25:32 +00:00
docs [FileCheck] Stop qualifying expressions as numeric 2019-06-19 23:47:24 +00:00
examples Add a HowToUseLLJIT example project. 2019-05-22 21:38:41 +00:00
include [CodeGen] Refactor check of suitability for a jump table (NFC) 2019-06-20 22:03:54 +00:00
lib [InstSimplify] simplify power-of-2 (single bit set) sequences 2019-06-20 22:55:28 +00:00
projects Update the file headers across all of the LLVM projects in the monorepo 2019-01-19 08:50:56 +00:00
resources In MSVC builds embed a VERSIONINFO resource in our exe and DLL files. 2015-06-12 15:58:29 +00:00
runtimes Setup testing target dependencies for default runtimes 2019-06-11 00:25:57 +00:00
test [InstSimplify] simplify power-of-2 (single bit set) sequences 2019-06-20 22:55:28 +00:00
tools [yaml2obj] - Convert ELFState<ELFT>::addSymbols method to toELFSymbols helper. NFCI. 2019-06-20 14:44:48 +00:00
unittests TargetParserTest.ARMExtensionFeatures run out of memory on 32-bit (PR42316) 2019-06-20 09:33:11 +00:00
utils gn build: Merge r363948 2019-06-20 18:18:40 +00:00
.arcconfig [llvm] Set up .arcconfig to point to Diffusion L repository 2018-01-12 15:37:41 +00:00
.clang-format
.clang-tidy Disable tidy checks with too many hits 2019-02-01 11:20:13 +00:00
.gitattributes [DebugInfo] Add DILabel metadata and intrinsic llvm.dbg.label. 2018-05-09 02:40:45 +00:00
.gitignore gitignore: Ignore Qt Creator project configuration files. NFC 2019-06-12 08:28:31 +00:00
CMakeLists.txt build: extract LLVM distribution target handling 2019-06-14 18:28:57 +00:00
CODE_OWNERS.TXT [llvm-mca] Move llvm-mca library to llvm/lib/MCA. 2018-12-17 08:08:31 +00:00
configure Remove autoconf support 2016-01-26 21:29:08 +00:00
CREDITS.TXT [test commit] Add my name to the CREDITS.TXT 2019-05-27 07:48:28 +00:00
LICENSE.TXT Fix typos throughout the license files that somehow I and my reviewers 2019-01-21 09:52:34 +00:00
llvm.spec.in Update structured references to the license to the new license. 2019-01-19 11:30:51 +00:00
LLVMBuild.txt Update the file headers across all of the LLVM projects in the monorepo 2019-01-19 08:50:56 +00:00
README.txt Testing commit access 2019-02-19 20:38:51 +00:00
RELEASE_TESTERS.TXT Update the list of platforms & archs 2018-12-16 14:47:16 +00:00

README.txt 

The LLVM Compiler Infrastructure
================================

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