Matthias Braun 6fbedc4cfd X86: Do not select X86 custom vector nodes if operand types don't match
X86ISD::ADDSUB, X86ISD::(F)HADD, X86ISD::(F)HSUB should not be selected
if the operand types do not match the result type because vector type
legalization cannot deal with this for custom nodes.

Testcase X86ISD::ADDSUB is attached. I could not create a testcase for
the FHADD/FHSUB cases because of: https://llvm.org/bugs/show_bug.cgi?id=23296

Differential Revision: http://reviews.llvm.org/D9120

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@235367 91177308-0d34-0410-b5e6-96231b3b80d8
2015-04-21 01:13:41 +00:00
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