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Sanjay Patel 49dad7926f [x86] fix allowsMisalignedMemoryAccess() implementation This patch fixes the x86 implementation of allowsMisalignedMemoryAccess() to correctly return the 'Fast' output parameter for 32-byte accesses. To test that, an existing load merging optimization is changed to use the TLI hook. This exposes a shortcoming in the current logic and results in the regression test update. Changing other direct users of the isUnalignedMem32Slow() x86 CPU attribute would be a follow-on patch. Without the fix in allowsMisalignedMemoryAccesses(), we will infinite loop when targeting SandyBridge because LowerINSERT_SUBVECTOR() creates 32-byte loads from two 16-byte loads while PerformLOADCombine() splits them back into 16-byte loads. Differential Revision: http://reviews.llvm.org/D10662 llvm-svn: 245075		2015-08-14 17:53:40 +00:00
autoconf	We're actually -Wmissing-field-initializers clean thanks to the cmake	2015-08-07 16:44:47 +00:00
bindings	Revert "Fix `llvm-config` to emit the linker flag for the combined shared object built by autoconfig/make instead of the individual components."	2015-08-05 20:03:26 +00:00
cmake	[cmake] Start adding support for LLVM_USE_SANITIZER=Address on Windows	2015-08-14 16:48:34 +00:00
docs	[IR] Add token types	2015-08-14 05:09:07 +00:00
examples	Update ExceptionDemo for exception handling API changes (personality function call->function move)	2015-08-14 00:37:16 +00:00
include	Reverting patch r244235.	2015-08-14 16:54:32 +00:00
lib	[x86] fix allowsMisalignedMemoryAccess() implementation	2015-08-14 17:53:40 +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	[x86] fix allowsMisalignedMemoryAccess() implementation	2015-08-14 17:53:40 +00:00
tools	[CMake] Fix PR14200, llvm-config output misses -fno-rtti	2015-08-14 16:20:31 +00:00
unittests	[PM/AA] Hoist the interface to TBAA into a dedicated header along with	2015-08-14 03:33:48 +00:00
utils	Remove and forbid raw_svector_ostream::flush() calls.	2015-08-13 18:12:56 +00:00
.arcconfig
.clang-format
.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	[lit] Don't disable the lit progress bar by default with MSVC	2015-08-11 21:24:59 +00:00
CODE_OWNERS.TXT	Add myself as the InstCombine owner.	2015-08-12 22:30:45 +00:00
configure	We're actually -Wmissing-field-initializers clean thanks to the cmake	2015-08-07 16:44:47 +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
Makefile
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.