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Roman Lebedev a677651a5a [InstCombine] De Morgan: sink 'not' into 'xor' (PR38446) 
Summary:
https://rise4fun.com/Alive/IT3

Comes up in the [most ugliest]  `signed int` -> `signed char`  case of
`-fsanitize=implicit-conversion` (https://reviews.llvm.org/D50250)
Previously, we were stuck with `not`: {F6867736}
But now we are able to completely get rid of it: {F6867737}
(FIXME: why are we loosing the metadata? that seems wrong/strange.)

Here, we only want to do that it we will be able to completely
get rid of that 'not'.

Reviewers: spatel, craig.topper

Reviewed By: spatel

Subscribers: vsk, erichkeane, llvm-commits

Differential Revision: https://reviews.llvm.org/D50301

llvm-svn: 339243
 		2018-08-08 13:31:19 +00:00
clang [analyzer][UninitializedObjectChecker] Pointer/reference objects are dereferenced according to dynamic type 2018-08-08 13:18:53 +00:00
clang-tools-extra Added functionality to suggest FixIts for conversion of '->' to '.' and vice versa. 2018-08-08 08:59:29 +00:00
compiler-rt [Coverage] Ignore 'unused' functions with non-zero execution counts 2018-08-07 22:25:36 +00:00
debuginfo-tests Disable the asan-deque.cpp integration test for AppleLLDB < v1000 2018-08-04 00:02:48 +00:00
libclc amdgcn: Use __constant AS for amdgcn builtins. 2018-08-03 15:14:08 +00:00
libcxx [libcxx] [test] Avoid -Wunused-local-typedef in node_handle.pass.cpp. 2018-08-08 04:24:47 +00:00
libcxxabi [itanium demangler] Support dot suffixes on block invocation functions 2018-08-02 17:45:01 +00:00
libunwind [libunwind] Fix pointer-to-integer cast warnings on LLP64. 2018-08-08 04:21:24 +00:00
lld lld-link: Take /SUBSYSTEM into account for automatic /ENTRY detection. 2018-08-07 19:10:28 +00:00
lldb Delete a dead Function constructor (NFC) 2018-08-07 23:48:40 +00:00
llgo Update copyright year to 2018. 2018-06-18 12:22:17 +00:00
llvm [InstCombine] De Morgan: sink 'not' into 'xor' (PR38446) 2018-08-08 13:31:19 +00:00
openmp [OpenMP] Fix doacross testing for gcc 2018-08-02 19:13:07 +00:00
parallel-libs Update copyright year to 2018. 2018-06-18 12:22:17 +00:00
polly Update isl to isl-0.20-48-g13eba5b5 2018-08-07 05:51:21 +00:00
README.md
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README.md

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.