In Thumb2, direct branches can be encoded as either a "short" conditional branch with a null predicate, or
as a "long" direct branch.  While the mnemonics are the same, they encode the branch offset differently, and
the Darwin assembler appears to prefer the "long" form for direct branches.  Thus, in the name of bitwise
equivalence, provide encoding and fixup support for it.

llvm-svn: 121710

  class A<bit a, bits<3> x, bits<3> y> {
    bits<3> z;
    let z = !if(a, x, y);
  }

The variable z will get the value of x when 'a' is 1 and 'y' when a is '0'.

llvm-svn: 121666

llvm-svn: 121661

llvm-svn: 121660

llvm-svn: 121659

llvm-svn: 121658

llvm-svn: 121589

llvm-svn: 121496

llvm-svn: 121493

llvm-svn: 121469

t_brtarget to be more specific.

llvm-svn: 121398

llvm-svn: 121395

Remove the previous header.  I don't think we need to expose to end users
that we use TableGen to produce our version of arm_neon.h, and that header
was also using doubleslash comments which could be a problem when using it
in strict C89 compilations.

llvm-svn: 121390

llvm-svn: 121379

particular, the immediate has 20-bits of value instead of 21. And bit 0 is '0'
always. Going through the BL fixup encoding was trashing the "bit 0 is '0'"
invariant.

Attempt to get the encoding at slightly more correct with this.

llvm-svn: 121336

llvm-svn: 121308

so they can be implemented without separate clang builtins.

llvm-svn: 121299

llvm-svn: 121287

llvm-svn: 121286

llvm-svn: 121276

llvm-svn: 121273

llvm-svn: 121250

llvm-svn: 121226

so they can be implemented without clang builtins.

llvm-svn: 121213

so they can be implemented without clang builtins.

llvm-svn: 121209

so they can be used in the implementations of other intrinsics.

llvm-svn: 121208

llvm-svn: 121196

llvm-svn: 121190

llvm-svn: 121187

llvm-svn: 121180

so they can be implemented without requiring clang builtins.
Radar 8446238.

llvm-svn: 121173

llvm-svn: 121167

an assert, at least.

llvm-svn: 121166

An OpReinterpret entry is handled by translating it to OpCast intrinsics for
all combinations of source and destination types with the same total size.
This will be used to generate all the vreinterpret intrinsics.

llvm-svn: 121087

llvm-svn: 121086

llvm-svn: 121072

llvm-svn: 120891

instead of just converting the record name to lowercase.

llvm-svn: 120809

llvm-svn: 120786

instructions. They are handled as special moves, but encoded as a normal move.

llvm-svn: 120779