[PATCH] D155545: [clang][Interp] Pass CallExpr to builtin functions

[Timm Bäder via Phabricator via cfe-commits]

tbaeder created this revision.
tbaeder added reviewers: aaron.ballman, erichkeane, shafik, cor3ntin.
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  For some builtins, we need to do quite a bit of type checking ourselves,
  so pass the call expression along. This way we can inspect arguments,
  expected return value, etc.

As discussed with @aaron.ballman on Discord, reject non-StringLiteral inputs from `__builtin_isnan()`.


Repository:
  rG LLVM Github Monorepo

https://reviews.llvm.org/D155545

Files:
  clang/lib/AST/Interp/ByteCodeExprGen.cpp
  clang/lib/AST/Interp/Interp.h
  clang/lib/AST/Interp/InterpBuiltin.cpp
  clang/lib/AST/Interp/Opcodes.td
  clang/test/AST/Interp/builtin-functions.cpp

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