[PATCH] D116834: [clang][dataflow] Change `transfer` function to update lattice element in place.

[Yitzhak Mandelbaum via Phabricator via cfe-commits]

ymandel created this revision.
ymandel added reviewers: sgatev, gribozavr2.
ymandel requested review of this revision.
Herald added a project: clang.

Currently, the transfer function returns a new lattice element, which forces an
unnecessary copy on processing each CFG statement.


Repository:
  rG LLVM Github Monorepo

https://reviews.llvm.org/D116834

Files:
  clang/include/clang/Analysis/FlowSensitive/DataflowAnalysis.h
  clang/include/clang/Analysis/FlowSensitive/TypeErasedDataflowAnalysis.h
  clang/lib/Analysis/FlowSensitive/TypeErasedDataflowAnalysis.cpp
  clang/unittests/Analysis/FlowSensitive/MultiVarConstantPropagationTest.cpp
  clang/unittests/Analysis/FlowSensitive/NoopAnalysis.h
  clang/unittests/Analysis/FlowSensitive/SingleVarConstantPropagationTest.cpp
  clang/unittests/Analysis/FlowSensitive/TypeErasedDataflowAnalysisTest.cpp

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