[PATCH] D72552: [Concepts] Constraint Satisfaction Caching

[Saar Raz via Phabricator via cfe-commits]

saar.raz created this revision.
saar.raz added a reviewer: rsmith.
Herald added a project: clang.
Herald added a subscriber: cfe-commits.

Add a simple cache for constraint satisfaction results. This results in a
major speedup (cjdb measured x2 faster than gcc with this caching, compared
to being 'unbearably slow' without caching) and is conformant with gcc's
implementation.


Repository:
  rG LLVM Github Monorepo

https://reviews.llvm.org/D72552

Files:
  clang/include/clang/AST/ASTConcept.h
  clang/include/clang/Sema/Sema.h
  clang/include/clang/Sema/TemplateDeduction.h
  clang/lib/AST/ASTConcept.cpp
  clang/lib/Sema/Sema.cpp
  clang/lib/Sema/SemaConcept.cpp
  clang/test/SemaTemplate/cxx2a-constraint-caching.cpp

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