[PATCH] D153485: [dataflow] use true/false literals in formulas, rather than variables

[Sam McCall via Phabricator via cfe-commits]

sammccall created this revision.
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And simplify formulas containing true/false
It's unclear to me how useful this is, it does make formulas more
conveniently self-contained now (we can usefully print them without
carrying around the "true/false" labels)

(while here, simplify !!X to X, too)


Repository:
  rG LLVM Github Monorepo

https://reviews.llvm.org/D153485

Files:
  clang/include/clang/Analysis/FlowSensitive/Arena.h
  clang/include/clang/Analysis/FlowSensitive/DataflowEnvironment.h
  clang/include/clang/Analysis/FlowSensitive/Formula.h
  clang/lib/Analysis/FlowSensitive/Arena.cpp
  clang/lib/Analysis/FlowSensitive/DataflowAnalysisContext.cpp
  clang/lib/Analysis/FlowSensitive/Formula.cpp
  clang/lib/Analysis/FlowSensitive/WatchedLiteralsSolver.cpp
  clang/unittests/Analysis/FlowSensitive/ArenaTest.cpp
  clang/unittests/Analysis/FlowSensitive/DebugSupportTest.cpp
  clang/unittests/Analysis/FlowSensitive/TestingSupport.h
  clang/unittests/Analysis/FlowSensitive/TransferTest.cpp

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