On Thu, Oct 16, 2008 at 2:20 PM, Joern Rennecke <[EMAIL PROTECTED]> wrote:
> Can I now rely on the cfg and basic block execution counts in
> FINAL_PRESCAN_INSN ?
No. The CFG is destroyed well before we get there, and there are
passes in between that can modify jumps.
Gr.
Steven
Can I now rely on the cfg and basic block execution counts in
FINAL_PRESCAN_INSN ?
(Rely as in: we won't encounter dangling pointers, and we get
reasonable heuristics if at least -fguess-branch-probability
is enabled, and good heuristics if we use relevant profile based
feedback)
If yes, when di