[PATCH] D21233: [CFLAA] Code cleanup: remove redundant node-to-value mapping and value-to-node mapping

[Jia Chen via llvm-commits]

grievejia created this revision.
grievejia added reviewers: george.burgess.iv, hfinkel.
grievejia added a subscriber: llvm-commits.

This patch introduces no functional changes.

It merely specialize WeightedBidirectionalGraph (rename it to CFLGraph) to fix its node type to be Value*. Such specialization help us get rid of the two redundant DenseMaps, one maps from Value* to integer and the other one maps from integer to Value*. 

http://reviews.llvm.org/D21233

Files:
  lib/Analysis/CFLAliasAnalysis.cpp

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