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Florian Hahn ca7c734d47 [DSE] Eliminate stores at the end of the function. 
This patch add support for eliminating MemoryDefs that do not have any
aliasing users, which indicates that there are no reads/writes to the
memory location until the end of the function.

To eliminate such defs, we have to ensure that the underlying object is
not visible in the caller and does not escape via returning. We need a
separate check for that, as InvisibleToCaller does not consider returns.

Reviewers: dmgreen, rnk, efriedma, bryant, asbirlea, Tyker, george.burgess.iv

Reviewed By: asbirlea

Differential Revision: https://reviews.llvm.org/D72631
2020-06-24 12:58:20 +01:00
benchmarks Pull google/benchmark library to the LLVM tree 2018-08-28 09:42:41 +00:00
bindings Fix go bindings after FixedVectorType -> VectorType change. 2020-05-15 16:37:57 -07:00
cmake [cmake] configure the host triple on an Apple Silicon machine correctly 2020-06-23 21:08:11 -07:00
docs [AMDGPU] Update AMD GPU processor information 2020-06-23 18:47:56 -04:00
examples [docs/examples] As part of using inclusive language within the llvm 2020-06-20 00:51:18 -07:00
include [OpenMPOpt] ICV macro definitions 2020-06-24 13:43:35 +02:00
lib [DSE] Eliminate stores at the end of the function. 2020-06-24 12:58:20 +01:00
projects Add few docs and implementation of strcpy and strcat. 2019-10-04 17:30:54 +00:00
resources
runtimes [CMake] Fix runtimes build for host Windows (default target) 2020-06-20 10:44:22 +02:00
test [DSE] Eliminate stores at the end of the function. 2020-06-24 12:58:20 +01:00
tools [NewPM] Attempt to run opt passes specified via -foo-pass under NPM 2020-06-23 10:10:40 -07:00
unittests [unittest, ADT] Add unit tests for itostr & utostr 2020-06-23 14:48:37 +01:00
utils [gn build] Port 96d4ccf00c8 2020-06-24 08:17:48 +00:00
.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 Continue removing llgo. 2020-02-10 10:33:58 -08:00
CMakeLists.txt Change CMake so that we only look for Z3 when LLVM_ENABLE_Z3_SOLVER is enabled 2020-06-23 14:49:56 -04:00
CODE_OWNERS.TXT Make myself code owner of InferAddressSpaces 2020-06-08 21:26:01 -04:00
configure Remove autoconf support 2016-01-26 21:29:08 +00:00
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. 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.