[PATCH] D69337: [PhiValues] Remove redundant searches in DenseMap

[Ehud Katz via Phabricator via llvm-commits]

ekatz created this revision.
ekatz added reviewers: lattner, chandlerc.
ekatz added a project: LLVM.
Herald added subscribers: llvm-commits, hiraditya.

Remove redundant searches in DenseMap.
For example, every call to "operator[]" is actually translated to a "find" call, and 2 consecutive calls to the operator, without changing the map in-between, is just redundant, and inefficient.


Repository:
  rG LLVM Github Monorepo

https://reviews.llvm.org/D69337

Files:
  llvm/include/llvm/Analysis/PhiValues.h
  llvm/lib/Analysis/PhiValues.cpp

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