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Sebastian Neubauer 5f547ad156 [AMDGPU] Improve killed check for vgpr optimization 
The killed flag is not always set. E.g. when a variable is used in a
loop, it is never marked as killed, although it is unused in following
basic blocks. Also, we try to deprecate kill flags and not use them.

Check if the register is live in the endif block. If not, consider it
killed in the then and else blocks.

The vgpr-liverange tests have two new tests with loops
(pre-committed, so the diff is visible).
I also needed to change the subtarget to gfx10.1, otherwise calls
are not working.

Differential Revision: https://reviews.llvm.org/D106291
2021-07-21 15:24:59 +02:00
benchmarks
bindings [IR] Rename comdat noduplicates to comdat nodeduplicate 2021-07-20 12:47:10 -07:00
cmake [CMake] Disable -fno-semantic-interposition for GCC<10.3 on SystemZ 2021-07-08 22:09:21 -07:00
docs [IR] Rename comdat noduplicates to comdat nodeduplicate 2021-07-20 12:47:10 -07:00
examples Opaque pointer GEP fixes for BrainF example 2021-07-18 18:25:54 -07:00
include [llvm] Add enum iteration to Sequence 2021-07-21 12:48:53 +00:00
lib [AMDGPU] Improve killed check for vgpr optimization 2021-07-21 15:24:59 +02:00
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] Improve killed check for vgpr optimization 2021-07-21 15:24:59 +02:00
tools [llvm] Add enum iteration to Sequence 2021-07-21 12:48:53 +00:00
unittests [llvm] Add enum iteration to Sequence 2021-07-21 12:48:53 +00:00
utils [gn build] Port 403e67d34d03 2021-07-21 00:19:59 +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] Use binary protobufs for improved training performance. 2021-07-19 13:59:28 -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.