[r6638]

[r6632]

[r6626]

[r6625]

[r6624]

[r6623]

[r6622]

[r6618]

cleaned up the comments
fixed typos

[r6617]

renamed is_forking_op() to is_irn_forking()

[r6616]

[r6615]

[r6610]

[r6609]

[r6608]

[r6604]

[r6603]

for external allocated entities.
fixed some typos
added more comments

[r6602]

prevents SSA-violations in irg_verify()
tracks now dataflow and control flow changes to correctly invalidate
analysis info

[r6601]

[r6600]

[r6599]

[r6598]

[r6596]

[r6595]

[r6593]

[r6587]

ir_vrfy() renamed to ir_verify() with new flag argument:
  dominance checking can now be enforced

[r6579]

  We cannot replace old Phi nodes with current one BEFORE we
  have handled all Phi's in the current block, else we might
  generate wrong references between Phi nodes of a block

clean up is_despensible: uses goto's now, but more readable

[r6578]

[r6577]

should only be needed for debugging

[r6576]

[r6573]

[r6569]

[r6567]

[r6566]

opcodes

[r6565]

[r6561]

some comments added

[r6560]

[r6559]

[r6558]

[r6557]

[r6556]