[r8595]

[r8593]

[r8592]

[r8591]

[r8588]

[r8586]

[r8585]

[r8583]

[r8582]

[r8581]

[r8580]

[r8579]

[r8578]

[r8577]

[r8576]

[r8573]

[r8569]

Added an assert to assure costs are >= 0, not sure if that is correct, if it is
not then max_costs should be initialized to INT_MIN...

[r8568]

[r8563]

[r8562]

[r8561]

[r8560]

[r8559]

[r8558]

[r8557]

[r8556]

[r8555]

[r8552]

- cg_callee_entry type exported
- reformated
- cleaned up

[r8551]

[r8550]

  their backedge arrays.
- No need to call new_backedge_arr in the DCE anymore
- Fix a bug in dce_survivor where it would allocate too few space on the obstack

[r8549]

[r8548]

[r8547]

[r8545]

[r8542]

[r8541]

[r8540]

[r8539]

fixed some typos

[r8538]

[r8537]