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David Bolvansky 358b80b340 [InstCombine] Fold sub (or A, B) (and A, B) to (xor A, B) 
Summary:
```
Name: sub or and to xor
%or = or i32 %y, %x
%and = and i32 %x, %y
%sub = sub i32 %or, %and
  =>
%sub = xor i32 %x, %y

Optimization: sub or and to xor
Done: 1
Optimization is correct!
```
https://rise4fun.com/Alive/eJu

Reviewers: spatel, lebedev.ri

Reviewed By: lebedev.ri

Subscribers: hiraditya, llvm-commits

Tags: #llvm

Differential Revision: https://reviews.llvm.org/D67153

llvm-svn: 370883
 		2019-09-04 12:00:33 +00:00
clang Revert "[Clang Interpreter] Initial patch for the constexpr interpreter" 2019-09-04 10:57:06 +00:00
clang-tools-extra [clangd] Remove macro-expansion-location from getBeginningOfIdentifier. Inline into relevant callsites. NFC 2019-09-04 10:15:27 +00:00
compiler-rt compiler-rt: use 64-bit time_t for all FreeBSD archs except i386 2019-09-03 13:44:47 +00:00
debuginfo-tests Make nrvo-string test more robust. 2019-06-27 20:38:37 +00:00
libclc Revert "Rename F_{None,Text,Append} to OF_{None,Text,Append}. NFC" 2019-08-05 17:23:23 +00:00
libcxx [libc++] Mark usage of _Atomic with __extension__ 2019-09-03 17:52:18 +00:00
libcxxabi Provide a meaningful diagnostic when LLVM_PATH doesn't point to a directory 2019-08-19 23:51:26 +00:00
libunwind [runtimes] Don't depend on libpthread on Android 2019-07-22 20:41:03 +00:00
lld [ELF] Fix spell corrector: don't call elf::InputFile::getSymbols() on shared objects 2019-09-04 11:02:58 +00:00
lldb [lldb] Limit the amount of zeroes we use for padding when printing small floats 2019-09-04 11:41:23 +00:00
llgo IR: Support parsing numeric block ids, and emit them in textual output. 2019-03-22 18:27:13 +00:00
llvm [InstCombine] Fold sub (or A, B) (and A, B) to (xor A, B) 2019-09-04 12:00:33 +00:00
openmp [OPENMP][NVPTX]Fix parallel level counter in non-SPMD mode. 2019-09-03 18:11:50 +00:00
parallel-libs Fix typos throughout the license files that somehow I and my reviewers 2019-01-21 09:52:34 +00:00
polly [DependenceInfo] Compute WAR dependence info using ISL kills. NFC. 2019-08-29 18:55:55 +00:00
pstl [pstl] Allow customizing whether per-TU insulation is provided 2019-08-13 12:49:00 +00:00
.arcconfig Update monorepo .arcconfig with new project callsign. 2019-01-31 14:34:59 +00:00
.clang-format Add .clang-tidy and .clang-format files to the toplevel of the 2019-01-29 16:43:16 +00:00
.clang-tidy Disable tidy checks with too many hits 2019-02-01 11:20:13 +00:00
.git-blame-ignore-revs Add LLDB reformatting to .git-blame-ignore-revs 2019-09-04 09:31:55 +00:00
.gitignore Add a newline at the end of the file 2019-09-04 06:33:46 +00:00
README.md
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README.md

The LLVM Compiler Infrastructure

This directory and its subdirectories contain source code for LLVM, a toolkit for the construction of highly optimized compilers, optimizers, and runtime environments.