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Rong Xu 6471f6664d [PGO] Fix profile mismatch in COMDAT function with pre-inliner 
Pre-instrumentation inline (pre-inliner) greatly improves the IR
instrumentation code performance, among other benefits. One issue of the
pre-inliner is it can introduce CFG-mismatch for COMDAT functions. This
is due to the fact that the same COMDAT function may have different early
inline decisions across different modules -- that means different copies
of COMDAT functions will have different CFG checksum.

In this patch, we propose a partially renaming the COMDAT group and its
member function/variable so we have different profile counter for each
version. We will post-fix the COMDAT function and the group name with its
FunctionHash.

Differential Revision: http://reviews.llvm.org/D22600

llvm-svn: 276673
2016-07-25 18:45:37 +00:00
bindings [OCaml] Add functions for accessing metadata nodes. 2016-06-22 03:30:24 +00:00
cmake cmake: When adding lit testsuites, ignore Output directories 2016-07-25 18:07:14 +00:00
docs Change some more llvm highlighting instances to be text instead. It seems that Pygment does not handle "token" or "none" yet, and this caused the documentation bot to go red. 2016-07-23 20:11:21 +00:00
examples [Kaleidoscope][BuildingAJIT] Start filling in text for chapter 3. 2016-07-15 01:39:49 +00:00
include StringSwitch cannot be copied (take 2). 2016-07-25 18:34:51 +00:00
lib [PGO] Fix profile mismatch in COMDAT function with pre-inliner 2016-07-25 18:45:37 +00:00
projects Remove autoconf support 2016-01-26 21:29:08 +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] Add LLVM runtimes directory 2016-06-23 22:07:21 +00:00
test [PGO] Fix profile mismatch in COMDAT function with pre-inliner 2016-07-25 18:45:37 +00:00
tools MC] Provide an MCTargetOptions to implementors of MCAsmBackendCtorTy, NFC 2016-07-25 17:18:28 +00:00
unittests Use RValue refs in APInt add/sub methods. 2016-07-22 20:55:46 +00:00
utils [utils] Update coverage regression checking script 2016-07-22 17:38:03 +00:00
.arcconfig Upgrade all the .arcconfigs to https. 2016-07-14 13:15:37 +00:00
.clang-format Test commit. 2014-03-02 13:08:46 +00:00
.clang-tidy Don't use misc-unused-parameters check on LLVM. 2016-04-13 08:58:52 +00:00
.gitignore [CMake] Add LLVM runtimes directory 2016-06-23 22:07:21 +00:00
CMakeLists.txt [cmake] Use a sane default for LLVM_PROFILE_DATA_DIR 2016-07-23 00:38:11 +00:00
CODE_OWNERS.TXT CODE_OWNERS: Take ownership of the MIPS backend 2016-07-23 17:40:48 +00:00
configure Remove autoconf support 2016-01-26 21:29:08 +00:00
CREDITS.TXT Update my email address. 2016-05-10 16:23:54 +00:00
LICENSE.TXT Update copyright year to 2016. 2016-03-30 22:41:06 +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
README.txt Revert previous test commit. 2016-01-04 19:13:29 +00:00
RELEASE_TESTERS.TXT Adding RELEASE_TESTERS.TXT 2016-07-21 16:46:44 +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.