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Sjoerd Meijer 7a73112681 [LV] Emitting SCEV checks with OptForSize 
When optimising for size and SCEV runtime checks need to be emitted to check
overflow behaviour, the loop vectorizer can run in this assert:

  LoopVectorize.cpp:2699: void llvm::InnerLoopVectorizer::emitSCEVChecks(
  llvm::Loop *, llvm::BasicBlock *): Assertion `!BB->getParent()->hasOptSize()
  && "Cannot SCEV check stride or overflow when opt

We should not generate predicates while optimising for size because
code will be generated for predicates such as these SCEV overflow runtime
checks.

This should fix PR43371.

Differential Revision: https://reviews.llvm.org/D68082

llvm-svn: 374166
2019-10-09 13:19:41 +00:00
benchmarks Pull google/benchmark library to the LLVM tree 2018-08-28 09:42:41 +00:00
bindings Revert "[OCaml] Handle nullptr in Llvm.global_initializer" 2019-10-01 08:29:07 +00:00
cmake Reland r349624: Let TableGen write output only if it changed, instead of doing so in cmake 2019-10-03 21:22:28 +00:00
docs [Docs] Fixes broken sphinx build - undefined label 2019-10-08 22:45:20 +00:00
examples [Orc] Roll back ThreadPool to std::function 2019-09-13 11:59:51 +00:00
include Unify the two CRC implementations 2019-10-09 09:06:30 +00:00
lib [LV] Emitting SCEV checks with OptForSize 2019-10-09 13:19:41 +00:00
projects Add few docs and implementation of strcpy and strcat. 2019-10-04 17:30:54 +00:00
resources
runtimes Adding support for overriding LLVM_ENABLE_RUNTIMES for runtimes builds. 2019-09-24 22:38:18 +00:00
test [LV] Emitting SCEV checks with OptForSize 2019-10-09 13:19:41 +00:00
tools [llvm-exegesis] Fix r374158 2019-10-09 12:37:56 +00:00
unittests [llvm-exegesis][NFC] Remove extra llvm:: qualifications. 2019-10-09 11:29:21 +00:00
utils [TableGen] Fix crash when using HwModes in CodeEmitterGen 2019-10-09 09:15:34 +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 Fix the "git modified" issue on the preserve-comments-crlf.s. 2019-09-10 12:17:49 +00:00
.gitignore gitignore: Ignore Qt Creator project configuration files. NFC 2019-06-12 08:28:31 +00:00
CMakeLists.txt Add few docs and implementation of strcpy and strcat. 2019-10-04 17:30:54 +00:00
CODE_OWNERS.TXT Update email address in CODE_OWNERS 2019-07-01 16:01:15 +00:00
configure
CREDITS.TXT Update email address. 2019-07-17 07:02:02 +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 Test commit. 2019-10-03 14:57:49 +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
================================

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