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Jay Foad 453349344b [AMDGPU][GISel] Fix MMO for raw/struct buffer access with non-constant offset 
Codegen for the raw/struct buffer access intrinsics would update the
offset in the MMO to reflect the combined offset, if it was known to be
constant. If the combined offset was not known to be constant, or if
there was an index, it would set the offset in the MMO to 0. This is
unsafe because it makes it look like the access does not alias with
another access with a fixed non-zero offset.

Fix these cases by setting the pointer in the MMO to null, to reflect
the fact that we do not have any known IR value pointer + constant
offset for the access.

D106284 did this for SelectionDAG. This is the corresponding fix for
GlobalISel.

Differential Revision: https://reviews.llvm.org/D106451
2021-07-26 14:27:30 +01:00
benchmarks
bindings [IR] Rename comdat noduplicates to comdat nodeduplicate 2021-07-20 12:47:10 -07:00
cmake [CMake] Add LIBXML2_DEFINITIONS when testing for symbol existance 2021-07-24 09:55:14 +02:00
docs [docs] Update release notes to mention lli JIT engine switch 2021-07-25 23:58:43 +02:00
examples Opaque pointer GEP fixes for BrainF example 2021-07-18 18:25:54 -07:00
include [NFC] Change VFShape so it contains an ElementCount rather than seperate VF and IsScalable properties. 2021-07-26 12:25:46 +01:00
lib [AMDGPU][GISel] Fix MMO for raw/struct buffer access with non-constant offset 2021-07-26 14:27:30 +01:00
projects [RFC][debuginfo-test] Rename debug-info lit tests for general purposes 2021-06-28 11:31:40 +01:00
resources
runtimes [runtimes] Fix umbrella component targets 2021-06-12 19:49:44 -07:00
test [AMDGPU][GISel] Fix MMO for raw/struct buffer access with non-constant offset 2021-07-26 14:27:30 +01:00
tools [llvm-rc] Allow dashes as part of resource name strings 2021-07-23 23:05:20 +03:00
unittests [NFC] Change VFShape so it contains an ElementCount rather than seperate VF and IsScalable properties. 2021-07-26 12:25:46 +01:00
utils [gn build] Port 6aa9e746ebde 2021-07-24 12:03:50 +00:00
.clang-format
.clang-tidy NFC: .clang-tidy: Inherit configs from parents to improve maintainability 2021-06-08 08:25:59 -07:00
.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] Strip TF_PIP cmake variable 2021-07-22 16:28:13 -07:00
CODE_OWNERS.TXT [NFC] Update code owners file 2021-07-20 11:29:10 -07:00
configure
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.