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Mirror of https://github.com/RPCS3/llvm-mirror
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Craig Topper ce9e57e3e9 [InstCombine] Replace calls to getNumUses with hasNUses or hasNUsesOrMore 
getNumUses is a linear time operation. It traverses the user linked list to the end and counts as it goes. Since we are only interested in small constant counts, we should use hasNUses or hasNUsesMore more that terminate the traversal as soon as it can provide the answer.

There are still two other locations in InstCombine, but changing those would force a rebase of D44266 which if accepted would remove them.

Differential Revision: https://reviews.llvm.org/D44398

llvm-svn: 327315
2018-03-12 18:46:05 +00:00
bindings Because of CVE-2018-6574, some compiler options and linker options are restricted to prevent arbitrary code execution. 2018-02-23 20:12:24 +00:00
cmake [cmake] Append -Wl,-rpath-link conditionally to GNULD 2018-03-08 15:09:38 +00:00
docs [AMDGPU][MC][DOC] Updated AMD GPU assembler description 2018-03-12 15:55:08 +00:00
examples [ORC] Consolidate RTDyldObjectLinkingLayer GetMemMgr and GetResolver into a 2018-02-14 22:13:02 +00:00
include [PatternMatch, InstSimplify] allow undef elements when matching vector -0.0 2018-03-12 18:17:01 +00:00
lib [InstCombine] Replace calls to getNumUses with hasNUses or hasNUsesOrMore 2018-03-12 18:46:05 +00:00
projects [cmake] Support moving debuginfo-tests to llvm/projects 2017-12-12 17:06:08 +00:00
resources
runtimes [CMake] Support for cross-compilation when build runtimes 2018-01-08 23:50:59 +00:00
test [Hexagon] Fix typo in testcase 2018-03-12 18:29:47 +00:00
tools [llvm-readobj] Make header self-contained 2018-03-12 15:02:59 +00:00
unittests [GISel]: Add helpers for easy building G_FCONSTANT along with matchers 2018-03-09 17:31:51 +00:00
utils update_mir_test_checks: Fix handling of IR input after r326284 2018-03-12 18:06:58 +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 [MC] Fix regression tests on Windows when git “core.autocrlf” is set to true. 2017-11-17 21:59:43 +00:00
.gitignore
CMakeLists.txt build: add the ability to create a symlink for dsymutil 2018-02-28 23:00:50 +00:00
CODE_OWNERS.TXT Update my email addresses, NFC. 2017-10-26 10:16:54 +00:00
configure
CREDITS.TXT Add myself to CREDITS.txt 2018-01-29 17:02:34 +00:00
LICENSE.TXT
llvm.spec.in
LLVMBuild.txt
README.txt Test commit access 2017-08-18 02:39:28 +00:00
RELEASE_TESTERS.TXT Update my email addresses, NFC. 2017-10-26 10:16:54 +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.