Chandler Carruth dc90a3ab8f [x86] Tweak the v16i8 single input special case lowering for shuffles ... that splat i8s into i16s. Previously, we would try much too hard to arrange a sequence of i8s in one half of the input such that we could unpack them into i16s and shuffle those into place. This isn't always going to be a cheaper i8 shuffle than our other strategies. The case where it is always going to be cheaper is when we can arrange all the necessary inputs into one half using just i16 shuffles. It happens that viewing the problem this way also makes it much easier to produce an efficient set of shuffles to move the inputs into one half and then unpack them. With this, our splat code gets one step closer to being not terrible with the new experimental lowering strategy. It also exposes two combines missing which I will add next. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@212692 91177308-0d34-0410-b5e6-96231b3b80d8		2014-07-10 09:16:40 +00:00
..
Analysis	Improve BasicAA CS-CS queries	2014-07-08 23:16:49 +00:00
Assembler	IR: Add COMDATs to the IR	2014-06-27 18:19:56 +00:00
Bindings	Reduce verbiage of lit.local.cfg files	2014-06-09 22:42:55 +00:00
Bitcode	Add some test files for r211710.	2014-06-25 15:41:39 +00:00
BugPoint
CodeGen	[x86] Tweak the v16i8 single input special case lowering for shuffles	2014-07-10 09:16:40 +00:00
DebugInfo	Recommit r212203: Don't try to construct debug LexicalScopes hierarchy for functions that do not have top level debug information.	2014-07-09 21:02:41 +00:00
ExecutionEngine	Fix this test to not write to the source tree, and instead to write to	2014-06-28 05:18:49 +00:00
Feature	IR: Add COMDATs to the IR	2014-06-27 18:19:56 +00:00
FileCheck
Instrumentation	[dfsan] Handle bitcast aliases.	2014-07-10 01:30:39 +00:00
Integer
JitListener
Linker	IR: Add COMDATs to the IR	2014-06-27 18:19:56 +00:00
LTO	Change the default input for llvm-nm to be a.out instead of standard input	2014-06-23 20:27:53 +00:00
MC	[mips][mips64r6] Correct cond names in the cmp.cond.[ds] instructions	2014-07-09 10:40:20 +00:00
Object	Changed the lvm-nm alias "-s" for -print-armap to "-M".	2014-07-08 23:47:31 +00:00
Other	IR: Fold away compares between GV GEPs and GVs	2014-07-04 22:05:26 +00:00
TableGen	Fix error in tablegen when either operand of !if is an empty list.	2014-06-10 20:10:08 +00:00
tools	[llvm-readobj] Fix output of MIPS GOT without local and global entries.	2014-07-05 19:28:49 +00:00
Transforms	A test case for not asserting in isDereferenceablePointer upon unsized types	2014-07-10 07:04:37 +00:00
Unit	Let test/Unit/lit.cfg add config.shlibdir to $PATH on DLL platforms like cygming.	2014-07-04 05:11:55 +00:00
Verifier	IR: Add COMDATs to the IR	2014-06-27 18:19:56 +00:00
YAMLParser
.clang-format
CMakeLists.txt	OK, NAKAMURA Takumi beat me to this change. So backing out my addition of	2014-05-19 23:26:51 +00:00
lit.cfg	Delete utils/FileUpdate.	2014-06-23 17:58:39 +00:00
lit.site.cfg.in
Makefile	lld test for configure & make	2014-06-06 09:06:25 +00:00
Makefile.tests
TestRunner.sh