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a069e64112
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Andrea Di Biagio a069e64112 [X86] Refactor the logic to select horizontal adds/subs to a helper function. 
This patch moves part of the logic implemented by the target specific
combine rules added at r210477 to a separate helper function.
This should make easier to add more rules for matching AVX/AVX2 horizontal
adds/subs.

This patch also fixes a problem caused by a wrong check performed on indices
of extract_vector_elt dag nodes in input to the scalar adds/subs.

New tests have been added to verify that we correctly check indices of
extract_vector_elt dag nodes when selecting a horizontal operation.



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@210644 91177308-0d34-0410-b5e6-96231b3b80d8
2014-06-11 07:57:50 +00:00
autoconf Remove path_tclsh.m4. 2014-06-02 12:54:32 +00:00
bindings [OCaml] Unbreak Llvm_target.TargetMachine.set_verbose_asm 2014-06-09 17:34:34 +00:00
cmake Remove clang-specific libxml2 check from CMake 2014-06-06 05:08:42 +00:00
docs Reduce verbiage of lit.local.cfg files 2014-06-09 22:42:55 +00:00
examples Try to fix the msvc build. 2014-04-29 23:37:02 +00:00
include Create macro INITIALIZE_TM_PASS. 2014-06-11 07:04:37 +00:00
lib [X86] Refactor the logic to select horizontal adds/subs to a helper function. 2014-06-11 07:57:50 +00:00
projects
test [X86] Refactor the logic to select horizontal adds/subs to a helper function. 2014-06-11 07:57:50 +00:00
tools Use an enum class. 2014-06-11 01:22:20 +00:00
unittests Convert StringMapEntry::Create to use StringRef instead of start/end pointers. Simpliies all in tree call sites. No functional change. 2014-06-11 05:35:56 +00:00
utils Remove windows_error. 2014-06-11 03:58:34 +00:00
.arcconfig
.clang-format
.gitignore
CMakeLists.txt Make LINK_POLLY_INTO_TOOLS work with the CMake build 2014-06-06 06:39:00 +00:00
CODE_OWNERS.TXT
configure Touch configure to force clang's config.h.in reconfiguration on the build servers 2014-06-06 10:36:38 +00:00
CREDITS.TXT Update Credits. 2014-05-29 19:59:58 +00:00
LICENSE.TXT
llvm.spec.in
LLVMBuild.txt
Makefile
Makefile.common
Makefile.config.in
Makefile.rules autoconf: Fix libLLVM-Major-Minor-Patch.so symlink 2014-05-15 19:50:25 +00:00
README.txt Trivial test commit. 2014-04-26 19:05:45 +00:00

README.txt 

Low Level Virtual Machine (LLVM)
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