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Max Kazantsev d99f3bacb4 [LoopUnswitch] Fix SCEV invalidation in unswitching 
Loop unswitching makes substantial changes to a loop that can also affect cached
SCEV info in its outer loops as well, but it only cares to invalidate SCEV cache for the
innermost loop in case of full unswitching and does not invalidate anything at all in
case of trivial unswitching. As result, we may end up with incorrect data in cache.

Differential Revision: https://reviews.llvm.org/D46045
Reviewed By: mzolotukhin

llvm-svn: 333072
 		2018-05-23 10:09:53 +00:00
clang Fix unaligned memory access when reading INPUT_FILE_OFFSETS data 2018-05-23 09:02:40 +00:00
clang-tools-extra [clang-tidy] new cppcoreguidelines-narrowing-conversions check. 2018-05-23 07:58:41 +00:00
compiler-rt [sanitizer] Reland "Be more accurate when calculating the previous instruction address on ARM." 2018-05-23 09:18:10 +00:00
debuginfo-tests [Darwin] Specify DWARF 2/4 when running apple accelerator tests. 2018-02-26 20:56:45 +00:00
libclc Add initial support for half precision builtins 2018-05-17 22:55:30 +00:00
libcxx Mark more bits of P0433 as complete. 2018-05-23 03:22:59 +00:00
libcxxabi private_typeinfo: limit is_dst_type_derived_from_static_type optimization 2018-05-18 20:51:38 +00:00
libunwind [OR1K] Add the EPCR special-purpose register to register state. 2018-05-16 19:09:48 +00:00
lld ELF: Do not ICF sections named with a C identifier. 2018-05-23 02:14:28 +00:00
lldb [SymbolFilePDB] PDB_BuiltinType::Char16 and Char32 are unsigned in MSVC. 2018-05-23 02:48:25 +00:00
llgo
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llvm [LoopUnswitch] Fix SCEV invalidation in unswitching 2018-05-23 10:09:53 +00:00
openmp [libomptarget-nvptx-bc] Pass found CUDA installations 2018-05-16 17:20:27 +00:00
parallel-libs
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polly CodeGen: Add a dwo output file argument to addPassesToEmitFile and hook it up to dwo output. 2018-05-21 20:16:41 +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.