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Roman Lebedev 438e79af49 [X86][CostModel] X86TTIImpl::getShuffleCost(): subvector insertions are cheap 
This is similar to the subvector extractions,
except that the 0'th subvector isn't free to insert,
because we generally don't know whether or not
the upper elements need to be preserved:
https://godbolt.org/z/rsxP5W4sW

This is needed to avoid regressions in D100684

Reviewed By: RKSimon

Differential Revision: https://reviews.llvm.org/D100698
2021-04-19 13:24:58 +03:00
benchmarks
bindings [NFC][OCaml] Reformat to clean up following CAMLprim removal 2021-04-05 10:55:08 +01:00
cmake [mlgo] Skip AOT-compiling a model if a header/object pair is provided 2021-04-13 09:46:29 -07:00
docs [Docs] Correct Boehm collector weblink in GarbageCollection.rst 2021-04-18 17:30:17 +05:30
examples [Orc][examples] Add missing FileCheck for lit test and polish output 2021-04-07 11:12:20 +02:00
include [DebugInfo] Move the findDbg* functions into DebugInfo.cpp 2021-04-19 10:30:25 +01:00
lib [X86][CostModel] X86TTIImpl::getShuffleCost(): subvector insertions are cheap 2021-04-19 13:24:58 +03:00
projects llvmbuildectomy - replace llvm-build by plain cmake 2020-11-13 10:35:24 +01:00
resources
runtimes [runtimes] Add the libc project to the list of runtimes. 2021-03-23 17:33:03 +00:00
test [X86][CostModel] X86TTIImpl::getShuffleCost(): subvector insertions are cheap 2021-04-19 13:24:58 +03:00
tools [llvm-exegesis] Honor -mcpu in analysis mode. 2021-04-19 10:44:28 +02:00
unittests [DebugInfo] Replace debug uses in replaceUsesOutsideBlock 2021-04-19 11:06:53 +01:00
utils [TableGen] Pass SmallVector to union_modes instead of returning a std::vector. 2021-04-18 15:59:52 -07:00
.clang-format
.clang-tidy - Update .clang-tidy to ignore parameters of main like functions for naming violations in clang and llvm directory 2020-01-31 16:49:45 +00:00
.gitattributes Fix the "git modified" issue on the preserve-comments-crlf.s. 2019-09-10 12:17:49 +00:00
.gitignore Remove .gitignore entries not relevant in the monorepo. 2021-04-07 12:25:02 -07:00
CMakeLists.txt [mlgo] fix build rules 2021-04-03 12:49:03 -07:00
CODE_OWNERS.TXT [M68k][CODE_OWNERS](0/8) Add code owner for the M68k target 2021-03-08 12:30:56 -08:00
configure Remove autoconf support 2016-01-26 21:29:08 +00:00
CREDITS.TXT Update personal info in CREDITS.TXT 2021-04-11 19:25:02 +08:00
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
README.txt Test commit. 2020-03-14 18:08:26 -07:00
RELEASE_TESTERS.TXT Update the list of platforms & archs 2018-12-16 14:47:16 +00:00

README.txt 

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.

LLVM is open source software. You may freely distribute it under the terms of
the license agreement found in LICENSE.txt.

Please see the documentation provided in docs/ for further
assistance with LLVM, and in particular docs/GettingStarted.rst for getting
started with LLVM and docs/README.txt for an overview of LLVM's
documentation setup.

If you are writing a package for LLVM, see docs/Packaging.rst for our
suggestions.