Tim Northover 68feaf4a96 Intrinsics: add LLVMHalfElementsVectorType constraint
This is like the LLVMMatchType, except the verifier checks that the
second argument is a vector with the same base type and half the
number of elements.

This will be used by the ARM64 backend.

llvm-svn: 205079
2014-03-29 07:04:54 +00:00
..
2014-03-19 18:41:38 +00:00