[PATCH] D64146: [Clang Interpreter] Initial patch for the constexpr interpreter

[Nandor Licker via Phabricator via cfe-commits]

nand updated this revision to Diff 213277.
nand marked 10 inline comments as done.
nand added a comment.

Implemented suggestions from @rsmith.

Since I had ~30 patches on top of the code in the diff, I applied the changes on those
and removed some functionality to produce this updated diff. This update uses the
byte code generator parameterised by a template emitter: the LinkEmitter emits and
links bytecode, while the EvalEmitter directly evaluates opcodes. The interpreter,
evaluator and most opcode-related code is now generated from Opcodes.td through
TableGen. Since the feedback included several references to pointers, I have included
some pointer functionality as well.

I hope the size of this diff is manageable - if really required, I could further trim
it down. Since this is a new subproject which does not introduce intrusive changes and
there are a significant number of other commits depending on this patch, I would like 
to avoid that.


Repository:
  rG LLVM Github Monorepo

CHANGES SINCE LAST ACTION
  https://reviews.llvm.org/D64146/new/

https://reviews.llvm.org/D64146

Files:
  clang/include/clang/AST/ASTContext.h
  clang/include/clang/Basic/DiagnosticASTKinds.td
  clang/include/clang/Basic/LangOptions.def
  clang/include/clang/Basic/OptionalDiagnostic.h
  clang/include/clang/Driver/Options.td
  clang/lib/AST/ASTContext.cpp
  clang/lib/AST/CMakeLists.txt
  clang/lib/AST/ExprConstant.cpp
  clang/lib/AST/Interp/ByteCodeGen.cpp
  clang/lib/AST/Interp/ByteCodeGen.h
  clang/lib/AST/Interp/ByteCodeGenError.cpp
  clang/lib/AST/Interp/ByteCodeGenError.h
  clang/lib/AST/Interp/CMakeLists.txt
  clang/lib/AST/Interp/Context.cpp
  clang/lib/AST/Interp/Context.h
  clang/lib/AST/Interp/Descriptor.cpp
  clang/lib/AST/Interp/Descriptor.h
  clang/lib/AST/Interp/Disasm.cpp
  clang/lib/AST/Interp/EvalEmitter.cpp
  clang/lib/AST/Interp/EvalEmitter.h
  clang/lib/AST/Interp/Frame.cpp
  clang/lib/AST/Interp/Frame.h
  clang/lib/AST/Interp/Function.cpp
  clang/lib/AST/Interp/Function.h
  clang/lib/AST/Interp/Integral.h
  clang/lib/AST/Interp/Interp.cpp
  clang/lib/AST/Interp/Interp.h
  clang/lib/AST/Interp/InterpFrame.cpp
  clang/lib/AST/Interp/InterpFrame.h
  clang/lib/AST/Interp/InterpStack.cpp
  clang/lib/AST/Interp/InterpStack.h
  clang/lib/AST/Interp/InterpState.cpp
  clang/lib/AST/Interp/InterpState.h
  clang/lib/AST/Interp/LinkEmitter.cpp
  clang/lib/AST/Interp/LinkEmitter.h
  clang/lib/AST/Interp/Opcode.h
  clang/lib/AST/Interp/Opcodes.td
  clang/lib/AST/Interp/Pointer.cpp
  clang/lib/AST/Interp/Pointer.h
  clang/lib/AST/Interp/Program.cpp
  clang/lib/AST/Interp/Program.h
  clang/lib/AST/Interp/Source.cpp
  clang/lib/AST/Interp/Source.h
  clang/lib/AST/Interp/State.cpp
  clang/lib/AST/Interp/State.h
  clang/lib/AST/Interp/Type.cpp
  clang/lib/AST/Interp/Type.h
  clang/lib/Driver/ToolChains/Clang.cpp
  clang/lib/Frontend/CompilerInvocation.cpp
  clang/test/AST/Interp/cond.cpp
  clang/utils/TableGen/CMakeLists.txt
  clang/utils/TableGen/ClangOpcodesEmitter.cpp
  clang/utils/TableGen/TableGen.cpp
  clang/utils/TableGen/TableGenBackends.h

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