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Erik Eckstein 8bab9d126f Make the FunctionComparator of the MergeFunctions pass a stand-alone utility. 
This is pure refactoring. NFC.

This change moves the FunctionComparator (together with the GlobalNumberState
utility) in to a separate file so that it can be used by other passes.
For example, the SwiftMergeFunctions pass in the Swift compiler:
https://github.com/apple/swift/blob/master/lib/LLVMPasses/LLVMMergeFunctions.cpp

Details of the change:

*) The big part is just moving code out of MergeFunctions.cpp into FunctionComparator.h/cpp
*) Make FunctionComparator member functions protected (instead of private)
   so that a derived comparator class can use them.

Following refactoring helps to share code between the base FunctionComparator
class and a derived class:

*) Add a beginCompare() function
*) Move some basic function property comparisons into a separate function compareSignature()
*) Do the GEP comparison inside cmpOperations() which now has a new
   needToCmpOperands reference parameter

https://reviews.llvm.org/D25385

llvm-svn: 286632
2016-11-11 21:15:13 +00:00
bindings Remove Go Attribute type that was deleted from the C API in r286062. 2016-11-07 18:38:49 +00:00
cmake CMake: make LLVM_OPTIMIZED_TABLEGEN friendly with LLVM_EXTERNAL_CLANG_SOURCE_DIR 2016-11-11 04:27:59 +00:00
docs IR: Introduce inrange attribute on getelementptr indices. 2016-11-10 22:34:55 +00:00
examples [ORC] Revert r286620 while I investigate a bot failure. 2016-11-11 19:46:46 +00:00
include Make the FunctionComparator of the MergeFunctions pass a stand-alone utility. 2016-11-11 21:15:13 +00:00
lib Make the FunctionComparator of the MergeFunctions pass a stand-alone utility. 2016-11-11 21:15:13 +00:00
projects [CMake] Correct configuration order of the sub-projects based on ther dependancies 2016-10-09 20:38:29 +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] Make the runtimes directory work with bootstrap builds 2016-10-19 21:50:25 +00:00
test Fixed the lost FastMathFlags for FCmp operations in SLPVectorizer. 2016-11-11 19:55:29 +00:00
tools Bitcode: Change getModuleSummaryIndex() to return an llvm::Expected. 2016-11-11 19:50:39 +00:00
unittests Make the FunctionComparator of the MergeFunctions pass a stand-alone utility. 2016-11-11 21:15:13 +00:00
utils [opt-viewer] Make it work in the absence of hotness information 2016-11-11 06:11:56 +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 Code editor files 2016-09-02 22:54:26 +00:00
CMakeLists.txt [cmake] Fix handling compiler-rt in LLVM_ENABLE_PROJECTS by turning any "-" into "_" 2016-11-09 00:23:20 +00:00
CODE_OWNERS.TXT CODE_OWNERS: Take ownership of the loop vectorizer. 2016-11-08 18:44:40 +00:00
configure Remove autoconf support 2016-01-26 21:29:08 +00:00
CREDITS.TXT Test Commit, removed extraneous newline 2016-11-01 17:54:05 +00:00
LICENSE.TXT Remove autoconf references from LICENSE.TXT 2016-08-12 20:11:03 +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, deleted empty line at the end of README.txt 2016-11-07 18:31:21 +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.