[PATCH] D153310: Add builtin_elementwise_pow

[Joshua Batista via Phabricator via cfe-commits]

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Add codegen for llvm pow elementwise builtin
The pow elementwise builtin is necessary for HLSL codegen.
Tests were added to make sure that the expected errors are encountered when these functions are given inputs of incompatible types, or too many inputs.
The new builtin is restricted to floating point types only.


Repository:
  rG LLVM Github Monorepo

https://reviews.llvm.org/D153310

Files:
  clang/docs/LanguageExtensions.rst
  clang/docs/ReleaseNotes.rst
  clang/include/clang/Basic/Builtins.def
  clang/lib/CodeGen/CGBuiltin.cpp
  clang/lib/Sema/SemaChecking.cpp
  clang/test/CodeGen/builtins-elementwise-math.c
  clang/test/Sema/aarch64-sve-vector-pow-ops.c
  clang/test/Sema/builtins-elementwise-math.c
  clang/test/Sema/riscv-sve-vector-pow-ops.c
  clang/test/SemaCXX/builtins-elementwise-math.cpp

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