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Andrea Di Biagio 0a8cf1ad5a [DAG] Teach how to turn a build_vector into a shuffle if some of the operands are zero.

Before this patch, the DAGCombiner only tried to convert build_vector dag nodes
into shuffles if all operands were either extract_vector_elt or undef.

This patch improves that logic and teaches the DAGCombiner how to deal with
build_vector dag nodes where one or more operands are zero. A build_vector
dag node with some zero operands is turned into a shuffle only if the resulting
shuffle mask is legal for the target.

llvm-svn: 222536

2014-11-21 14:32:06 +00:00

autoconf

Expose LLVM version string via macro in llvm-config.h, and modify Go bindings

2014-11-19 03:34:17 +00:00

bindings

Expose LLVM version string via macro in llvm-config.h, and modify Go bindings

2014-11-19 03:34:17 +00:00

cmake

[CMake] Update GetSVN.cmake to use LLVM version control helper scripts.

2014-11-19 22:03:21 +00:00

docs

Clarify the description of the noalias attribute

2014-11-21 02:22:46 +00:00

examples

[CMake] llvm/examples: Update libdeps for unoptimized builds.

2014-10-31 15:27:16 +00:00

include

DAGCombiner: Allow the DAGCombiner to combine multiple FDIVs with the same divisor info FMULs by the reciprocal.

2014-11-21 06:39:58 +00:00

lib

[DAG] Teach how to turn a build_vector into a shuffle if some of the operands are zero.

2014-11-21 14:32:06 +00:00

projects

[cmake] Use the external project machinery for libcxxabi so that it can

2014-07-25 10:27:40 +00:00

test

[DAG] Teach how to turn a build_vector into a shuffle if some of the operands are zero.

2014-11-21 14:32:06 +00:00

tools

gold-plugin: Fix typo in error message

2014-11-19 22:39:21 +00:00

unittests

Fix a silly bug in StreamingMemoryObject.cpp.

2014-11-21 05:15:41 +00:00

utils

Add extra new line and remove some trailing whitespace from tablegen RegisterInfo output file.

2014-11-21 05:58:14 +00:00

.arcconfig

Updated phabricator server.

2014-04-07 03:57:04 +00:00

.clang-format

Test commit.

2014-03-02 13:08:46 +00:00

.clang-tidy

Enable display of compiler diagnostics in clang-tidy by default.

2014-10-29 17:29:38 +00:00

.gitignore

Initial version of Go bindings.

2014-10-16 22:48:02 +00:00

CMakeLists.txt

Use ninja pools to limit the number of concurrent compile/link jobs.

2014-11-19 10:30:02 +00:00

CODE_OWNERS.TXT

Add Tom Stellard's role as 3.5 release manager.

2014-09-12 08:07:31 +00:00

configure

Expose LLVM version string via macro in llvm-config.h, and modify Go bindings

2014-11-19 03:34:17 +00:00

CREDITS.TXT

Rise from the dead and update personal info

2014-08-25 17:51:04 +00:00

LICENSE.TXT

Remove projects/sample.

2014-03-12 22:40:22 +00:00

llvm.spec.in

…

LLVMBuild.txt

Remove the very substantial, largely unmaintained legacy PGO

2013-10-02 15:42:23 +00:00

Makefile

[configure/make] Propagate names of build host tools when making BuildTools

2014-03-25 21:45:41 +00:00

Makefile.common

Makefile.common: Update a description, s/Source/SOURCES/ , according to MakefileGuide.html#control-variables .

2012-12-07 01:43:23 +00:00

Makefile.config.in

Add a check for misbehaving -Wcomment from gcc-4.7 and add

2014-11-05 00:35:15 +00:00

Makefile.rules

Add a check for misbehaving -Wcomment from gcc-4.7 and add

2014-11-05 00:35:15 +00:00

README.txt

Trivial test commit.

2014-04-26 19:05:45 +00:00

README.txt

Low Level Virtual Machine (LLVM)
================================

This directory and its subdirectories contain source code for the Low Level
Virtual Machine, 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're writing a package for LLVM, see docs/Packaging.rst for our
suggestions.

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