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Andrea Di Biagio 6d9b9e125d [X86] Add target combine rule to select ADDSUB instructions from a build_vector 
This patch teaches the backend how to combine a build_vector that implements
an 'addsub' between packed float vectors into a sequence of vector add
and vector sub followed by a VSELECT.

The new VSELECT is expected to be lowered into a BLENDI.
At ISel stage, the sequence 'vector add + vector sub + BLENDI' is
pattern-matched against ISel patterns added at r211427 to select
'addsub' instructions.
Added three more ISel patterns for ADDSUB.

Added test sse3-avx-addsub-2.ll to verify that we correctly emit 'addsub'
instructions.

llvm-svn: 211679
 		2014-06-25 10:02:21 +00:00
..
Analysis Reduce verbiage of lit.local.cfg files 2014-06-09 22:42:55 +00:00
Assembler Canonicalize addrspacecast ConstExpr between different pointer types 2014-06-15 21:40:57 +00:00
Bindings Reduce verbiage of lit.local.cfg files 2014-06-09 22:42:55 +00:00
Bitcode IR: add "cmpxchg weak" variant to support permitted failure. 2014-06-13 14:24:07 +00:00
BugPoint Revert r206989, "Mark llvm/test/BugPoint/compile-custom.ll as XFAIL:vg_leak." It has been fixed since r207265. 2014-04-27 11:59:33 +00:00
CodeGen [X86] Add target combine rule to select ADDSUB instructions from a build_vector 2014-06-25 10:02:21 +00:00
DebugInfo Fix another asserting method in the null streamer. 2014-06-25 05:37:58 +00:00
ExecutionEngine [RuntimeDyld] Support more PPC64 relocations 2014-06-20 17:51:47 +00:00
Feature Move test for r210734 to Feature/aliases.ll. 2014-06-12 21:37:30 +00:00
FileCheck
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Instrumentation [msan] Handle X86 *.psad.* and *.pmadd.* intrinsics. 2014-06-18 12:02:29 +00:00
Integer
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JitListener
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LTO Change the default input for llvm-nm to be a.out instead of standard input 2014-06-23 20:27:53 +00:00
Linker Allow aliases to be unnamed_addr. 2014-06-06 01:20:28 +00:00
MC ldr-pseudo-obj-errors.s: Fix silly copypasto. 2014-06-24 23:18:07 +00:00
Object nm-trivial-object.test requires shell since Lit internal runner isn't capable of chdir. 2014-06-23 21:07:04 +00:00
Other Change the default input for llvm-nm to be a.out instead of standard input 2014-06-23 20:27:53 +00:00
TableGen Fix error in tablegen when either operand of !if is an empty list. 2014-06-10 20:10:08 +00:00
Transforms [LICM] Don't create more than one copy of an instruction per loop exit block when sinking. 2014-06-25 07:54:58 +00:00
Unit With rpaths being set correctly, SHLIBPATH_VAR is not needed anymore. 2014-02-28 16:16:51 +00:00
Verifier [ValueTracking] Extend range metadata to call/invoke 2014-06-19 16:50:16 +00:00
YAMLParser
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tools Do not XFAIL test/tools/llvm-cov tests on powerpc64le 2014-06-18 15:52:18 +00:00
.clang-format
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CMakeLists.txt OK, NAKAMURA Takumi beat me to this change. So backing out my addition of 2014-05-19 23:26:51 +00:00
Makefile lld test for configure & make 2014-06-06 09:06:25 +00:00
Makefile.tests
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TestRunner.sh
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lit.cfg Delete utils/FileUpdate. 2014-06-23 17:58:39 +00:00
lit.site.cfg.in Eliminate inappropriate use of FindProgramByName() from lli 2014-01-22 21:52:35 +00:00