[PATCH] D141472: [clang][Interp] Add function pointers

[Timm Bäder via Phabricator via cfe-commits]

tbaeder created this revision.
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This adds a `FunctionPointer` class as well as a new `FnPtr` primtype.

It also adds a `CallPtr` opcode that pops a `FunctionPointer` from the stack and calls its function.


Repository:
  rG LLVM Github Monorepo

https://reviews.llvm.org/D141472

Files:
  clang/lib/AST/Interp/ByteCodeExprGen.cpp
  clang/lib/AST/Interp/Context.cpp
  clang/lib/AST/Interp/Descriptor.cpp
  clang/lib/AST/Interp/FunctionPointer.h
  clang/lib/AST/Interp/Interp.h
  clang/lib/AST/Interp/InterpStack.h
  clang/lib/AST/Interp/Opcodes.td
  clang/lib/AST/Interp/PrimType.cpp
  clang/lib/AST/Interp/PrimType.h
  clang/test/AST/Interp/functions.cpp

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