- Changes to reg alloc code to increase safety
- Re-enabled phi alloc to reg
- Minor tweak to phi reg alloc
- Converted getSuccState into CodeGenState constructor
- Further reworked edge moves
- Finished tweaking edge moves
- Optimized call spills
- Added examples dir
Merge branch 'master' of https://github.com/maximecb/Higgs
- Fixed infinite loop bug in peephole IR optimizations
- Fixed peephole bug wrt dead code and phi nodes resulting in
  illegal IR
- Fixed bug wrt arg moves
- Eliminated unnecessary arg spills
Merge branch 'master' of https://github.com/maximecb/Higgs