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Serguei Katkov 4f8d50be22 [BPI] Ignore remainder while distributing the remaining probability from unreachanble 
This is a follow up patch for https://reviews.llvm.org/rL300440
to address a comment.

To make implementation to be consistent with other cases we just
ignore the remainder after distribution of remaining probability between
reachable edges.

If we reduced the probability of some edges coming to unreachable
blocks we should distribute the remaining part across other edges
coming to reachable blocks to satisfy the condition that sum of all
probabilities should be equal to one. If this remaining part is not
divided by number of "reachable" edges then we get this remainder.
This remainder probability should be pretty small. Other cases just ignore
if the sum of probabilities is not equal to one so we do the same.

Reviewers: chandlerc, sanjoy, vsk, junbuml, reames
Reviewed By: reames
Subscribers: reames, llvm-commits
Differential Revision: https://reviews.llvm.org/D32124

llvm-svn: 302883
2017-05-12 07:50:06 +00:00
bindings [go bindings] Rmove duplicated conversion function definitions after r300843. 2017-04-20 19:06:11 +00:00
cmake Revert "Revert "CMake: Move sphinx detection into AddSphinxTarget.cmake"" 2017-05-09 01:41:28 +00:00
docs [IR] Allow attributes with global variables 2017-05-11 12:28:08 +00:00
examples [Kaleidoscope] toy.cpp use after move fix 2017-05-07 11:00:01 +00:00
include [Support/Compiler.h] - Use gnu::fallthrough for LLVM_FALLTHROUGH when available. 2017-05-12 06:53:48 +00:00
lib [BPI] Ignore remainder while distributing the remaining probability from unreachanble 2017-05-12 07:50:06 +00:00
projects Add temporary workaround to allow in-tree libc++ builds on Windows 2017-05-11 01:44:30 +00:00
resources In MSVC builds embed a VERSIONINFO resource in our exe and DLL files. 2015-06-12 15:58:29 +00:00
runtimes [CMake][runtimes] Use -nodefaultlibs for the runtimes build 2017-04-13 21:29:03 +00:00
test [BPI] Ignore remainder while distributing the remaining probability from unreachanble 2017-05-12 07:50:06 +00:00
tools [llvm-readobj] Improve errors on invalid binary 2017-05-10 14:18:11 +00:00
unittests Restrict call metadata based hotness detection to Sample PGO mode 2017-05-11 23:18:05 +00:00
utils [git-llvm] Fix svn:eol-style issue for one-file patches 2017-05-12 00:10:19 +00:00
.arcconfig project_id is from another era in phabricator land and does not provide any value. 2016-09-27 15:47:29 +00:00
.clang-format Test commit. 2014-03-02 13:08:46 +00:00
.clang-tidy .clang-tidy: correct style name is 'camelBack' not 'lowerCase'. 2016-09-13 19:04:26 +00:00
.gitignore gitignore: Ignore .vs folder (VS2017 config files) 2017-04-08 00:16:58 +00:00
CMakeLists.txt CMake: Add LLVM_DYLIB_SYMBOL_VERSIONING option 2017-05-03 14:43:44 +00:00
CODE_OWNERS.TXT CODE_OWNERS: Take code ownership of instruction scheduling. 2017-03-10 18:34:37 +00:00
configure Remove autoconf support 2016-01-26 21:29:08 +00:00
CREDITS.TXT CODE_OWNERS: Take code ownership of instruction scheduling. 2017-03-10 18:34:37 +00:00
LICENSE.TXT Bump year to 2017 in LICENSE.txt 2017-01-12 18:02:42 +00:00
llvm.spec.in [Sparc] Implement i64 load/store support for 32-bit sparc. 2015-08-10 19:11:39 +00:00
LLVMBuild.txt Remove the very substantial, largely unmaintained legacy PGO 2013-10-02 15:42:23 +00:00
README.txt Test commit. Added a blank line. 2017-03-06 20:45:33 +00:00
RELEASE_TESTERS.TXT Update the release tester for MIPS. NFC. 2017-01-17 11:00:28 +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
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.