[PATCH] D52854: Use is.constant intrinsic for __builtin_constant_p

[Bill Wendling via Phabricator via cfe-commits]

void created this revision.
void added reviewers: jyknight, eli.friedman, resistor, janusz.
Herald added subscribers: cfe-commits, kristina.

A __builtin_constant_p may end up with a constant after inlining. Use
the is.constant intrinsic if we're unable to determine if it's a
constant.

See: https://reviews.llvm.org/D4276


Repository:
  rC Clang

https://reviews.llvm.org/D52854

Files:
  include/clang/AST/Expr.h
  include/clang/Sema/Sema.h
  lib/AST/Expr.cpp
  lib/AST/ExprConstant.cpp
  lib/CodeGen/CGBuiltin.cpp
  lib/Sema/SemaExpr.cpp
  lib/Sema/SemaType.cpp
  test/Analysis/builtin-functions.cpp
  test/Sema/builtins.c

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