Scott Linder df484d50ec [Support] Teach YAMLIO about polymorphic types ... Add support for "polymorphic" types to YAMLIO. PolymorphicTraits can dynamically switch between other traits (Scalar, Map, or Sequence). When inputting, the PolymorphicTraits type is told which type to become, and when outputting the PolymorphicTraits type is asked which type it currently is. Also add support for TaggedScalarTraits to allow dynamically differentiating between multiple scalar types using YAML tags. Serialize empty maps as "{}" and empty sequences as "[]", so that types are preserved when round-tripping PolymorphicTraits. This change has equivalent semantics, but may break e.g. tests which compare output verbatim. Differential Revision: https://reviews.llvm.org/D48144 llvm-svn: 346884		2018-11-14 19:39:59 +00:00
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llvm	[Support] Teach YAMLIO about polymorphic types	2018-11-14 19:39:59 +00:00
llvm-c	[IR] Add a dedicated FNeg IR Instruction	2018-11-13 18:15:47 +00:00