Michael McLoughlin 2e7d06bc7a pass: remove redundant jumps and dangling labels (#81) ...

In jump-table-like constructs, the natural way of writing the code can sometimes produce redundant jumps or labels. Therefore some basic cleanup steps have been proposed. This diff adds two transforms:

1. Remove unconditional jumps to a label immediately following.
2. Remove labels with no references at all.

Fixes #75

2019-04-15 19:42:11 -07:00

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