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Florian Hahn 47a33e71d6 [Matrix] Add optimization remarks for matrix expression. 
Generate remarks for matrix operations in a function. To generate remarks
for matrix expressions, the following approach is used:
1. Collect leafs of matrix expressions (done in
   RemarkGenerator::getExpressionLeafs).  Leafs are lowered matrix
   instructions without other matrix users (like stores).

2. For each leaf, create a remark containing a linearizied version of the
   matrix expression.

The following improvements will be submitted as follow-ups:
* Summarize number of vector instructions generated for each expression.
* Account for shared sub-expressions.
* Propagate matrix remarks up the inlining chain.

The information provided by the matrix remarks helps users to spot cases
where matrix expression got split up, e.g. due to inlining not
happening. The remarks allow users to address those issues, ensuring
best performance.

Reviewers: anemet, Gerolf, thegameg, hfinkel, andrew.w.kaylor, LuoYuanke

Reviewed By: anemet

Differential Revision: https://reviews.llvm.org/D72453
2020-01-27 16:39:29 -08:00
benchmarks
bindings Pass length of string in Go binding of CreateCompileUnit 2020-01-17 13:35:30 -08:00
cmake [tablegen] Emit string literals instead of char arrays 2020-01-27 18:22:25 +00:00
docs remove a trailing space character (test commit) 2020-01-27 15:01:55 -08:00
examples [examples] Fix CMakefiles for JITLink and OrcError library refactoring 2020-01-27 13:58:50 -08:00
include Reland "[StackColoring] Remap PseudoSourceValue frame indices via MachineFunction::getPSVManager()"" 2020-01-27 15:58:49 -08:00
lib [Matrix] Add optimization remarks for matrix expression. 2020-01-27 16:39:29 -08:00
projects Add few docs and implementation of strcpy and strcat. 2019-10-04 17:30:54 +00:00
resources
runtimes [CMake] Prefer multi-target variables over generic target variables in runtimes build 2020-01-17 15:18:18 -08:00
test [Matrix] Add optimization remarks for matrix expression. 2020-01-27 16:39:29 -08:00
tools Restore "[LTO/WPD] Enable aggressive WPD under LTO option" 2020-01-27 07:55:05 -08:00
unittests [llvm][TextAPI/MachO] Support writing single macCatalyst platform 2020-01-27 10:21:06 -08:00
utils TableGen: Try to fix expensive checks failures 2020-01-27 14:42:04 -05:00
.arcconfig
.clang-format
.clang-tidy
.gitattributes Fix the "git modified" issue on the preserve-comments-crlf.s. 2019-09-10 12:17:49 +00:00
.gitignore
CMakeLists.txt Bump the trunk major version to 11 2020-01-15 13:38:01 +01:00
CODE_OWNERS.TXT [VE] Target stub for NEC SX-Aurora 2020-01-09 11:17:35 +01:00
configure
CREDITS.TXT Update email address. 2019-07-17 07:02:02 +00:00
LICENSE.TXT
llvm.spec.in
LLVMBuild.txt
README.txt Test commit. 2019-10-03 14:57:49 +00:00
RELEASE_TESTERS.TXT

README.txt 

The LLVM Compiler Infrastructure
================================

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Please see the documentation provided in docs/ for further
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