[PATCH] D140992: clang: Add __builtin_elementsize_fma

[Matt Arsenault via Phabricator via cfe-commits]

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I didn't understand why the other builtins have promotion logic,
or how it would apply for a ternary operation. Implicit conversions
are evil to begin with,  and even more so when the purpose is to get
an exact IR intrinsic. This checks all the arguments have the same type.


https://reviews.llvm.org/D140992

Files:
  clang/docs/LanguageExtensions.rst
  clang/include/clang/Basic/Builtins.def
  clang/include/clang/Sema/Sema.h
  clang/lib/CodeGen/CGBuiltin.cpp
  clang/lib/Sema/SemaChecking.cpp
  clang/test/CodeGen/builtins-elementwise-math.c
  clang/test/Sema/builtins-elementwise-math.c

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