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Andrea Di Biagio ce90d0cc15 [llvm-mca] Correctly handle zero-latency stores that consume pipeline resources. 
This fixes PR37293.

We can have scheduling classes with no write latency entries, that still consume
processor resources. We don't want to treat those instructions as zero-latency
instructions; they still have to be issued to the underlying pipelines, so they
still consume resource cycles.

This is likely to be a regression which I have accidentally introduced at
revision 330807. Now, if an instruction has a non-empty set of write processor
resources, we conservatively treat it as a normal (i.e. non zero-latency)
instruction.

llvm-svn: 331193
2018-04-30 15:55:04 +00:00
bindings IWYU for llvm-config.h in llvm, additions. 2018-04-30 14:59:11 +00:00
cmake [cmake] Make linker detection take flags into account 2018-04-26 06:04:46 +00:00
docs NFC - Typo fixes lib/VMCore -> lib/IR 2018-04-30 10:18:11 +00:00
examples s/LLVM_ON_WIN32/_WIN32/, llvm 2018-04-29 00:45:03 +00:00
include IWYU for llvm-config.h, removals. Also see r331184. 2018-04-30 15:26:01 +00:00
lib [SystemZ] Refactor some VT casts in DAG match patterns 2018-04-30 15:52:28 +00:00
projects [cmake] Support moving debuginfo-tests to llvm/projects 2017-12-12 17:06:08 +00:00
resources
runtimes [CMake] Enable warnings for runtimes 2018-04-27 15:10:50 +00:00
test [llvm-mca] Correctly handle zero-latency stores that consume pipeline resources. 2018-04-30 15:55:04 +00:00
tools [llvm-mca] Correctly handle zero-latency stores that consume pipeline resources. 2018-04-30 15:55:04 +00:00
unittests IWYU for llvm-config.h, removals. Also see r331184. 2018-04-30 15:26:01 +00:00
utils IWYU for llvm-config.h in llvm, additions. 2018-04-30 14:59:11 +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 [MC] Fix regression tests on Windows when git “core.autocrlf” is set to true. 2017-11-17 21:59:43 +00:00
.gitignore gitignore: Ignore .vs folder (VS2017 config files) 2017-04-08 00:16:58 +00:00
CMakeLists.txt Remove LLVM_INSTALL_CCTOOLS_SYMLINKS 2018-04-24 15:41:02 +00:00
CODE_OWNERS.TXT [CODE_OWNERS] Update my email address. 2018-04-23 19:09:49 +00:00
configure
CREDITS.TXT Update my email address and description. 2018-04-29 01:13:57 +00:00
LICENSE.TXT
llvm.spec.in
LLVMBuild.txt
README.txt Test commit access 2017-08-18 02:39:28 +00:00
RELEASE_TESTERS.TXT Update my email addresses, NFC. 2017-10-26 10:16:54 +00:00

README.txt 

Low Level Virtual Machine (LLVM)
================================

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
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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.