4c1b1f6d21
Add support for ``llvm.nvvm.fshl.clamp`` and ``llvm.nvvm.fshr.clamp`` intrinsics. These intrinsics are similar to the generic llvm funnel shift, except that the shift value is clamped to the integer width. Currently only ``i32`` is supported and is implemented with the `shf.[rl].clamp.b32` PTX instruction.