Ruby

Compile IfFalse, IfTrue, and Jump instructions (https://github.com/Shopify/zjit/pull/72)

• Compile IfFalse instruction

• Add a TODO comment

• Rename *s_len to num_*s

• Run only gen_param() against block.params

• Add a few more tests

• Wrap label indexes with Label

• Compile blocks in reverse post-order

• Simplify a nested test

• s/get_block/block/

• Return a number instead of an iterator

• Clarify the allocator uses disjoint sets of registers

• Use Display for Block and Insn

• Compile IfTrue and Jump

• Avoid resolving Param instructions

• Always compile Insn::Param as basic block arguments

• Remove an obsoleted variable

• Change it back to use find

• Use find for params too

• Use Display more

• Add more tests

• nested if

• if after if

• if elsif else

• loop after loop

• nested loops

• if in loop

• loop in if