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3d39845812
llvm-6502/lib
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Chandler Carruth 3d39845812 [x86] Teach the shuffle mask equivalence test to look through build 
vectors and detect equivalent inputs.

This lets the code match unpck-style instructions when only one of the
inputs are lined up but the other input is a splat and so which lanes we
pull from doesn't matter. Today, this doesn't really happen, but just by
accident. I have a patch that normalizes how we shuffle splats, and with
that patch this will be necessary for a lot of the mask equivalence
tests to work.

I don't really know how to write a test case for this specific change
until the other change lands though.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@229307 91177308-0d34-0410-b5e6-96231b3b80d8
2015-02-15 12:07:55 +00:00
..
Analysis Unify the two EH personality classification routines I wrote 2015-02-14 00:21:02 +00:00
AsmParser AsmWriter/Bitcode: MDImportedEntity 2015-02-13 01:46:02 +00:00
Bitcode Clean up some inappropriate choices of type in the bitcode reader. None of 2015-02-13 21:05:11 +00:00
CodeGen [x86] Fix PR22377, a regression with the new vector shuffle legality 2015-02-15 07:01:10 +00:00
DebugInfo llvm-pdbdump: Only dump whitelisted global symbols. 2015-02-14 03:54:28 +00:00
ExecutionEngine [PM] Remove the old 'PassManager.h' header file at the top level of 2015-02-13 10:01:29 +00:00
Fuzzer
IR InstCombine: propagate deref via new addDereferenceableAttr 2015-02-14 19:37:54 +00:00
IRReader Use ADDITIONAL_HEADER_DIRS in all LLVM CMake projects. 2015-02-11 03:28:02 +00:00
LineEditor Use ADDITIONAL_HEADER_DIRS in all LLVM CMake projects. 2015-02-11 03:28:02 +00:00
Linker [LinkModules] Change the way ModuleLinker merges triples. 2015-02-13 00:40:41 +00:00
LTO [PM] Remove the old 'PassManager.h' header file at the top level of 2015-02-13 10:01:29 +00:00
MC Revert a series of commits starting at r228886 which is triggering some 2015-02-13 07:52:39 +00:00
Object Use ADDITIONAL_HEADER_DIRS in all LLVM CMake projects. 2015-02-11 03:28:02 +00:00
Option Use ADDITIONAL_HEADER_DIRS in all LLVM CMake projects. 2015-02-11 03:28:02 +00:00
ProfileData Fix accidental bit flip. 2015-02-12 16:30:00 +00:00
Support Fixing broken bots. 2015-02-13 23:10:31 +00:00
TableGen Use ADDITIONAL_HEADER_DIRS in all LLVM CMake projects. 2015-02-11 03:28:02 +00:00
Target [x86] Teach the shuffle mask equivalence test to look through build 2015-02-15 12:07:55 +00:00
Transforms Enabled cost calculation for masked memory operations. 2015-02-15 08:08:48 +00:00
CMakeLists.txt
LLVMBuild.txt
Makefile