llvm-svn: 55685

Let tblgen only generate fastisel routines, not the class definition. This makes it easier for targets to define its own fastisel class.

llvm-svn: 55679

llvm-svn: 55545

llvm-svn: 55512

and use it in FastISelEmitter.cpp, and make FastISel
subtarget aware. Among other things, this lets it work
properly on x86 targets that don't have SSE, where it
successfully selects x87 instructions.

llvm-svn: 55156

llvm-svn: 55011