|Handles joining of a jump instruction to its targets.
|:: Instruction instr|
|=> BlockMap RegSet||id of the current block
|-> BlockId||branch instr on the end of the source block.
|-> RegM ([NatBasicBlock instr], instr)|
|For a jump instruction at the end of a block, generate fixup code so its
vregs are in the correct regs for its destination.
|Produced by Haddock version 2.6.0|