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Florian Hahn 19ec2ce1e7 [GVN] Assign new value number to calls reading memory, if there is no MemDep info. 
Currently we assign the same value number to two calls reading the same
memory location if we do not have MemoryDependence info. Without MemDep
Info we cannot guarantee that there is no store between the two calls, so we
have to assign a new number to the second call.

It also adds a new option EnableMemDep to enable/disable running
MemoryDependenceAnalysis and also renamed NoLoads to NoMemDepAnalysis to
be more explicit what it does. As it also impacts calls that read memory,
NoLoads is a bit confusing.

Reviewers: efriedma, sebpop, john.brawn, wmi

Reviewed By: efriedma

Differential Revision: https://reviews.llvm.org/D50893

llvm-svn: 340319
2018-08-21 19:11:27 +00:00
bindings [bindings/go] Add coroutine passes 2018-08-19 23:40:05 +00:00
cmake [cmake] Prevent LLVMgold.so from being unloaded on Linux 2018-08-16 15:12:12 +00:00
docs [docs] Fix a small typo in a debug info example 2018-08-21 01:43:03 +00:00
examples [ORC] Update JITCompileCallbackManager to support multi-threaded code. 2018-05-30 01:57:45 +00:00
include [AST] Remove notion of volatile from alias sets [NFCI] 2018-08-21 17:59:11 +00:00
lib [GVN] Assign new value number to calls reading memory, if there is no MemDep info. 2018-08-21 19:11:27 +00:00
projects
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runtimes Revert "[CMake] Pass Clang defaults to runtimes builds" 2018-07-13 20:01:55 +00:00
test [GVN] Assign new value number to calls reading memory, if there is no MemDep info. 2018-08-21 19:11:27 +00:00
tools [llvm-mca] Remove unused decl. NFC. 2018-08-21 18:39:20 +00:00
unittests Revert "Revert rr340111 "[GISel]: Add Legalization/lowering code for bit counting operations"" 2018-08-21 17:30:31 +00:00
utils [TableGen] Don't separately search for DefaultMode when we're going to iterate the set anyway. NFCI. 2018-08-17 17:45:15 +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
.gitattributes [DebugInfo] Add DILabel metadata and intrinsic llvm.dbg.label. 2018-05-09 02:40:45 +00:00
.gitignore
CMakeLists.txt Add cmake option to disable minidumps, default it to off 2018-08-20 16:49:54 +00:00
CODE_OWNERS.TXT Add owner for llvm-objcopy 2018-08-09 22:05:19 +00:00
configure
CREDITS.TXT Update my information in the CREDITS file. 2018-06-15 20:02:11 +00:00
LICENSE.TXT Update copyright year to 2018. 2018-06-18 12:22:17 +00:00
llvm.spec.in
LLVMBuild.txt
README.txt Test commit: remove a blank line 2018-06-08 21:21:55 +00:00
RELEASE_TESTERS.TXT Remove myself from the release testers list. (NFC) 2018-06-20 21:25:50 +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,
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LLVM is open source software. You may freely distribute it under the terms of
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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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