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James Molloy 255241a790 [ARM] Do not use vtrn for vectorshuffle if the order is reversed 
The tests in isVTRNMask and isVTRN_v_undef_Mask should also check that the elements of the upper and lower half of the vectorshuffle occur in the correct order when both halves are used. Without this test the code assumes that it is correct to use vector transpose (vtrn) for the masks <1, 1, 0, 0> and <1, 3, 0, 2>, among others, but the transpose actually incorrectly generates shuffles for <0, 0, 1, 1> and <0, 2, 1, 3> in this case.

Patch by Jeroen Ketema!

llvm-svn: 247254
2015-09-10 08:42:28 +00:00
autoconf Add an exposed variable for which c++ compiler we're using for our 2015-08-17 22:46:26 +00:00
bindings [bindings] Update Go bindings to DIBuilder 2015-09-06 02:22:15 +00:00
cmake [CMake] Flag recursive cmake invocations for cross-compile 2015-09-09 14:57:06 +00:00
docs Re-apply r247080 with order of evaluation fix. 2015-09-08 22:49:35 +00:00
examples [PM/AA] Rebuild LLVM's alias analysis infrastructure in a way compatible 2015-09-09 17:55:00 +00:00
include [ADT] Apply a large hammer to StringRef functions: attribute always_inline. 2015-09-10 08:29:35 +00:00
lib [ARM] Do not use vtrn for vectorshuffle if the order is reversed 2015-09-10 08:42:28 +00:00
projects build: make libunwind a proper project 2015-04-25 01:47:39 +00:00
resources In MSVC builds embed a VERSIONINFO resource in our exe and DLL files. 2015-06-12 15:58:29 +00:00
test [ARM] Do not use vtrn for vectorshuffle if the order is reversed 2015-09-10 08:42:28 +00:00
tools llvm-config: Add --build-system option 2015-09-09 16:39:30 +00:00
unittests [ADT] Fix a confusing interface spec and some annoying peculiarities 2015-09-10 07:51:37 +00:00
utils Revert r247216: "Fix Clang-tidy misc-use-override warnings, other minor fixes" 2015-09-10 00:57:26 +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 Minor updates to gitignore so that symlinks are ignored in the projects dir. 2015-07-07 20:24:58 +00:00
CMakeLists.txt Add a way to skip the Go bindings tests even when Go is configured in 2015-09-10 05:47:43 +00:00
CODE_OWNERS.TXT CODE_OWNERS.TXT is supposed to be sorted by surname 2015-09-07 00:41:40 +00:00
configure Add an exposed variable for which c++ compiler we're using for our 2015-08-17 22:46:26 +00:00
CREDITS.TXT [WebAssembly] Initial WebAssembly backend 2015-06-29 23:51:55 +00:00
LICENSE.TXT Update for a new year. 2015-03-12 01:25:29 +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
Makefile [configure/make] Propagate names of build host tools when making BuildTools 2014-03-25 21:45:41 +00:00
Makefile.common
Makefile.config.in We're actually -Wmissing-field-initializers clean thanks to the cmake 2015-08-07 16:44:47 +00:00
Makefile.rules We're actually -Wmissing-field-initializers clean thanks to the cmake 2015-08-07 16:44:47 +00:00
README.txt Revert test commit at revision 233535. 2015-03-30 12:39:03 +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're writing a package for LLVM, see docs/Packaging.rst for our
suggestions.