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Craig Topper 23156f1924 [X86][InstCombine] Teach SimplifyDemandedVectorElts to handle scalar round intrinsics more correctly. 
Now we only pass bit 0 of the DemandedElts to optimize operand 1 as we recurse since the upper bits are unused. Similarly we clear bit 0 for optimizing operand 0.

Also calculate UndefElts correctly.

Simplify InstCombineCalls for these instrinics to just call SimplifyDemandedVectorElts for the call instrution to reuse this support.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@289629 91177308-0d34-0410-b5e6-96231b3b80d8
2016-12-14 03:17:30 +00:00
bindings Fix go binding to adapt the new attribute API 2016-11-18 10:11:02 +00:00
cmake [CMake] Multi-target builtins build 2016-12-12 23:15:10 +00:00
docs [libFuzzer] document one more desired feature of a fuzz target 2016-12-14 01:31:21 +00:00
examples Prune unused libdeps. 2016-12-08 15:28:02 +00:00
include Disable Iterating SmallPtrSet in reverse order to uncover non-determinism in codegen by default 2016-12-14 02:02:28 +00:00
lib [X86][InstCombine] Teach SimplifyDemandedVectorElts to handle scalar round intrinsics more correctly. 2016-12-14 03:17:30 +00:00
projects [CMake] Correct configuration order of the sub-projects based on ther dependancies 2016-10-09 20:38:29 +00:00
resources
runtimes [CMake] Multi-target builtins build 2016-12-12 23:15:10 +00:00
test LTO: Add support for multi-module bitcode files. 2016-12-14 01:17:59 +00:00
tools Switch functions that returned bool and filled in a DWARFFormValue arg with ones that return Optional<DWARFFormValue> 2016-12-13 23:20:56 +00:00
unittests [llvm] Iterate SmallPtrSet in reverse order to uncover non-determinism in codegen 2016-12-14 00:15:57 +00:00
utils [AMDGPU, PowerPC, TableGen] Fix some Clang-tidy modernize and Include What You Use warnings; other minor fixes (NFC). 2016-12-12 22:23:53 +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
.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] Fixing clang standalone build 2016-12-06 17:09:29 +00:00
CODE_OWNERS.TXT CODE_OWNERS: Take ownership of IR Linker as discussed on llvm-dev 2016-12-02 14:06:53 +00:00
configure Remove autoconf support 2016-01-26 21:29:08 +00:00
CREDITS.TXT Test Commit, removing a blank line in CREDITS.TXT 2016-11-24 15:40:19 +00:00
LICENSE.TXT Remove autoconf references from LICENSE.TXT 2016-08-12 20:11:03 +00:00
llvm.spec.in
LLVMBuild.txt
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.