Turn constant conditional jumps into unconditional jumps.

If a condition (input of an art::HIf instruction) is
constant (an art::HConstant object), evaluate it at
compile time and generate an unconditional branch
instruction if it is true (in lieu of a conditional jump).

Change-Id: I262e43ffe66d5c25dbbfa98092a41c8b3c4c75d6
3 files changed