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Merge remote-tracking branch 'origin/topic/vern/ast-opt'

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- Removed a stray `printf()` from script-opt Reduce code

* origin/topic/vern/ast-opt: (23 commits)
  Tweak minor const-ref/std::move things in script-opt code
  Add alternative 'xform' baseline for test: broker.store.create-failure
  Add explicit return value to Reducer::SameOp()
  fixed AST transformation logic for boolean expressions
  don't know how I overlooked these minor test suite updates
  "opt" btest baseline updates due to AST optimizations changing printed code
  "opt" baseline exceptions due to incompatibility with optimize-AST and -u
  new "opt" btest alternative
  update to "xform" test suite baseline due to recent line number changes
  logic for driving AST optimization when requested
  methods implementing AST optimization (aliasing, constant propagation, CSE)
  helper class checking if common-subexpression elimination opportunity is valid
  helper function for comparing collections of definition points
  track more information about temporary variables
  simplify and tidy up some interfaces
  enable setting "-O optimize-AST" option
  fix for reducing operations on boolean vectors
  control whether checking for type-equivalence generates warnings
  remove unneeded virtual method (same as inherited method)
  accessors for additional Expr subclasses
  ...
This commit is contained in:
Jon Siwek 2021-03-08 18:28:22 -08:00
commit f2d3bf3037
26 changed files with 15968 additions and 146 deletions
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4.1.0-dev.314 | 2021-03-08 18:28:22 -0800
* new "opt" btest alternative (Vern Paxson, Corelight)
* update to "xform" test suite baseline due to recent line number changes (Vern Paxson, Corelight)
* logic for driving AST optimization when requested (Vern Paxson, Corelight)
* methods implementing AST optimization (aliasing, constant propagation, CSE) (Vern Paxson, Corelight)
* helper class checking if common-subexpression elimination opportunity is valid (Vern Paxson, Corelight)
* helper function for comparing collections of definition points (Vern Paxson, Corelight)
* track more information about temporary variables (Vern Paxson, Corelight)
* simplify and tidy up some script-opt interfaces (Vern Paxson, Corelight)
* enable setting "-O optimize-AST" option (Vern Paxson, Corelight)
* fix for reducing operations on boolean vectors (Vern Paxson, Corelight)
* Add flag to FuncType::CheckArgs() to control type-equivalence warning output (Vern Paxson, Corelight)
* remove unneeded IndexExpr::Traverse() virtual method (same as inherited method) (Vern Paxson, Corelight)
* accessors for additional Expr subclasses (Vern Paxson, Corelight)
* convenience functions to check for aggregate types (Vern Paxson, Corelight)
* fix header includes to have proper zeek/ prefixes (Vern Paxson, Corelight)
4.1.0-dev.288 | 2021-03-08 12:29:14 -0800
* GH-1426: Improve handling of Broker data store creation failures (Jon Siwek, Corelight)