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Mirror of https://github.com/RPCS3/llvm-mirror
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Daniel Sanders 3d06a1da65 [tablegen] Improve performance of -gen-register-info by replacing barely-necessary std::map with a sorted vector 
Summary:
This particular map is hardly ever queried and has a phased usage pattern (insert,
iterate, query, insert, iterate) so it's a good candidate for a sorted vector and
std::lower_bound.

This significantly reduces the run time of runTargetDesc() in some circumstances.
One llvm-tblgen invocation in my build improves the time spent in runTargetDesc()
from 9.86s down to 0.80s (~92%) without changing the output. The same invocation
also has 2GB less allocation churn.

Reviewers: bogner, rtereshin, aditya_nandakumar, volkan

Reviewed By: rtereshin

Subscribers: mgrang, dexonsmith, llvm-commits

Differential Revision: https://reviews.llvm.org/D50272

llvm-svn: 339208
2018-08-08 00:19:59 +00:00
bindings [LLVM-C] [OCaml] Remove LLVMAddBBVectorizePass 2018-05-28 16:58:10 +00:00
cmake Add llvm-rc to LLVM_TOOLCHAIN_TOOLS (PR38386) 2018-08-01 07:51:55 +00:00
docs [docs] Continue working around broken Sphinx parsing of LLVM code blocks 2018-08-06 10:20:05 +00:00
examples [ORC] Update JITCompileCallbackManager to support multi-threaded code. 2018-05-30 01:57:45 +00:00
include [tablegen] Improve performance of -gen-register-info by replacing barely-necessary std::map with a sorted vector 2018-08-08 00:19:59 +00:00
lib [Coverage] Ignore 'unused' functions with non-zero execution counts 2018-08-07 22:25:36 +00:00
projects
resources
runtimes Revert "[CMake] Pass Clang defaults to runtimes builds" 2018-07-13 20:01:55 +00:00
test [InstCombine] add tests for fneg fold including FMF; NFC 2018-08-07 23:24:25 +00:00
tools [Coverage] Delete getCounterMismatches, it's dead code (NFC) 2018-08-07 22:25:22 +00:00
unittests [Local] Add dbg location on unreachable inst in changeToUnreachable 2018-08-07 20:21:56 +00:00
utils [tablegen] Improve performance of -gen-register-info by replacing barely-necessary std::map with a sorted vector 2018-08-08 00:19:59 +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 [DebugInfo] Add DILabel metadata and intrinsic llvm.dbg.label. 2018-05-09 02:40:45 +00:00
.gitignore
CMakeLists.txt [RFC] Build LLVM-C.dll on MSVC that exports only the C API 2018-08-07 15:54:50 +00:00
CODE_OWNERS.TXT CODE_OWNERS: Take ownership of the MIPS backend 2018-06-21 09:59:44 +00:00
configure
CREDITS.TXT Update my information in the CREDITS file. 2018-06-15 20:02:11 +00:00
LICENSE.TXT Update copyright year to 2018. 2018-06-18 12:22:17 +00:00
llvm.spec.in
LLVMBuild.txt
README.txt Test commit: remove a blank line 2018-06-08 21:21:55 +00:00
RELEASE_TESTERS.TXT Remove myself from the release testers list. (NFC) 2018-06-20 21:25:50 +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,
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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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If you are writing a package for LLVM, see docs/Packaging.rst for our
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