Jakob Stoklund Olesen c0b61ff9c7 Fix a quadratic algorithm in MachineBranchProbabilityInfo. ...

The getSumForBlock function was quadratic in the number of successors
because getSuccWeight would perform a linear search for an already known
iterator.

llvm-svn: 161460

2012-08-08 00:20:37 +00:00

32 KiB

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