[all-commits] [llvm/llvm-project] 31b45a: [clang][hlsl] Add tan intrinsic part 1 (#90276)

[Farzon Lotfi via All-commits]

  Branch: refs/heads/main
  Home:   https://github.com/llvm/llvm-project
  Commit: 31b45a9d0d91cc3a78446ee379abc6f2a3000065
      https://github.com/llvm/llvm-project/commit/31b45a9d0d91cc3a78446ee379abc6f2a3000065
  Author: Farzon Lotfi <1802579+farzonl at users.noreply.github.com>
  Date:   2024-05-07 (Tue, 07 May 2024)

  Changed paths:
    M clang/docs/LanguageExtensions.rst
    M clang/include/clang/Basic/Builtins.td
    M clang/lib/CodeGen/CGBuiltin.cpp
    M clang/lib/Headers/hlsl/hlsl_intrinsics.h
    M clang/lib/Sema/SemaChecking.cpp
    M clang/test/CodeGen/builtins-elementwise-math.c
    M clang/test/CodeGen/strictfp-elementwise-bulitins.cpp
    A clang/test/CodeGenHLSL/builtins/tan.hlsl
    M clang/test/Sema/aarch64-sve-vector-trig-ops.c
    M clang/test/Sema/builtins-elementwise-math.c
    M clang/test/Sema/riscv-rvv-vector-trig-ops.c
    M clang/test/SemaCXX/builtins-elementwise-math.cpp
    M clang/test/SemaHLSL/BuiltIns/half-float-only-errors.hlsl
    M llvm/docs/LangRef.rst
    M llvm/include/llvm/IR/Intrinsics.td

  Log Message:
  -----------
  [clang][hlsl] Add tan intrinsic part 1 (#90276)

This change is an implementation of #87367's investigation on supporting
IEEE math operations as intrinsics.
Which was discussed in this RFC:
https://discourse.llvm.org/t/rfc-all-the-math-intrinsics/78294

If you want an overarching view of how this will all connect see:
https://github.com/llvm/llvm-project/pull/90088

Changes:
- `clang/docs/LanguageExtensions.rst` - Document the new elementwise tan
builtin.
-  `clang/include/clang/Basic/Builtins.td` - Implement the tan builtin.
- `clang/lib/CodeGen/CGBuiltin.cpp` - invoke the tan intrinsic on uses
of the builtin
- `clang/lib/Headers/hlsl/hlsl_intrinsics.h` - Associate the tan builtin
with the equivalent hlsl apis
- `clang/lib/Sema/SemaChecking.cpp` - Add generic sema checks as well as
HLSL specifc sema checks to the tan builtin
-  `llvm/include/llvm/IR/Intrinsics.td` - Create the tan intrinsic
-  `llvm/docs/LangRef.rst` - Document the tan intrinsic



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