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2ec47b652a
-Use early returns to reduce indentation -Replace multipe ifs with a switch. -Replace an assert with an llvm_unreachable default in the switch. -Check that the FP type we're going to use for the X86ISD::FAND/FOR/FXOR is legal rather than checking that the integer type matches the width of a legal scalar fp type. This all runs after legalization so it shouldn't really matter, but making sure we're using a valid type in the X86ISD node is really whats important. llvm-svn: 362565
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