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Count how many phis we are creating.

llvm-svn: 132748
This commit is contained in:
Rafael Espindola 2011-06-08 14:13:31 +00:00
parent e7e6bc3a33
commit c96d74d84e

View File

@ -34,6 +34,7 @@ STATISTIC(NumTails , "Number of tails duplicated");
STATISTIC(NumTailDups , "Number of tail duplicated blocks");
STATISTIC(NumInstrDups , "Additional instructions due to tail duplication");
STATISTIC(NumDeadBlocks, "Number of dead blocks removed");
STATISTIC(NumAddedPHIs , "Number of phis added");
// Heuristic for tail duplication.
static cl::opt<unsigned>
@ -246,6 +247,7 @@ bool TailDuplicatePass::TailDuplicateBlocks(MachineFunction &MF) {
}
}
NumAddedPHIs += NewPHIs.size();
SSAUpdateVRs.clear();
SSAUpdateVals.clear();
}