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Roman Lebedev 586aaeabf1 [X86] Schedule-model second (mask) output of GATHER instruction 
Much like `mulx`'s `WriteIMulH`, there are two outputs of
AVX2 GATHER instructions. This was changed back in rL160110,
but the sched model change wasn't present.

So right now, for sched models that are marked as complete
(`znver3` only now), codegen'ning `GATHER` results in a crash:
```
DefIdx 1 exceeds machine model writes for early-clobber renamable $ymm3, dead early-clobber renamable $ymm2 = VPGATHERDDYrm killed renamable $ymm3(tied-def 0), undef renamable $rax, 4, renamable $ymm0, 0, $noreg, killed renamable $ymm2(tied-def 1) :: (load 32, align 1)
```
https://godbolt.org/z/Ks7zW7WGh

I'm guessing we need to deal with this like we deal with `WriteIMulH`.

Reviewed By: RKSimon

Differential Revision: https://reviews.llvm.org/D104205
2021-06-15 12:04:33 +03:00
benchmarks
bindings [SanitizeCoverage] Add support for NoSanitizeCoverage function attribute 2021-05-25 12:57:14 +02:00
cmake Remove redundant environment variable XLA_FLAGS. 2021-06-14 23:58:22 +00:00
docs [docs][OpaquePtr] Shuffle around the transition plan section 2021-06-14 10:59:41 -07:00
examples [ORC] Update SpeculativeJIT example for dispatchTask changes in 5344c88dcb2. 2021-05-10 09:30:46 -07:00
include [IR] Remove forward declaration of GraphTraits from Type.h 2021-06-15 09:23:45 +01:00
lib [X86] Schedule-model second (mask) output of GATHER instruction 2021-06-15 12:04:33 +03:00
projects llvmbuildectomy - replace llvm-build by plain cmake 2020-11-13 10:35:24 +01:00
resources
runtimes [runtimes] Fix umbrella component targets 2021-06-12 19:49:44 -07:00
test [MCA][InstrBuilder] Check for the presence of flag VariadicOpsAreDefs. 2021-06-15 09:52:38 +01:00
tools [CSSPGO] Aggregation by the last K context frames for cold profiles 2021-06-14 10:33:43 -07:00
unittests [Debug-Info][CodeView] Fix GUID string generation for MSVC generated objects. 2021-06-15 06:53:21 +01:00
utils [gn build] Port d0a5d8611935 2021-06-15 05:56:32 +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 [CMake] Don't LTO optimize targets that aren't part of any distribution 2021-05-19 15:02:11 -07:00
CODE_OWNERS.TXT [M68k][CODE_OWNERS](0/8) Add code owner for the M68k target 2021-03-08 12:30:56 -08:00
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.