[all-commits] [llvm/llvm-project] 3e8244: [SPIRV] Add tan intrinsic part 3 (#90278)

[Farzon Lotfi via All-commits]

  Branch: refs/heads/main
  Home:   https://github.com/llvm/llvm-project
  Commit: 3e82442ff7288b4c41bb77888bc2cfea2c34d6ee
      https://github.com/llvm/llvm-project/commit/3e82442ff7288b4c41bb77888bc2cfea2c34d6ee
  Author: Farzon Lotfi <1802579+farzonl at users.noreply.github.com>
  Date:   2024-05-08 (Wed, 08 May 2024)

  Changed paths:
    M llvm/docs/GlobalISel/GenericOpcode.rst
    M llvm/include/llvm/Support/TargetOpcodes.def
    M llvm/include/llvm/Target/GenericOpcodes.td
    M llvm/lib/CodeGen/GlobalISel/IRTranslator.cpp
    M llvm/lib/Target/SPIRV/SPIRVInstructionSelector.cpp
    M llvm/lib/Target/SPIRV/SPIRVLegalizerInfo.cpp
    M llvm/test/CodeGen/AArch64/GlobalISel/legalizer-info-validation.mir
    A llvm/test/CodeGen/SPIRV/hlsl-intrinsics/tan.ll

  Log Message:
  -----------
  [SPIRV] Add tan intrinsic part 3 (#90278)

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:
- `llvm/docs/GlobalISel/GenericOpcode.rst` - Document the `G_FTAN`
opcode
-  `llvm/include/llvm/IR/Intrinsics.td` - Create the tan intrinsic
- `llvm/include/llvm/Support/TargetOpcodes.def` - Create a `G_FTAN`
Opcode handler
- `llvm/include/llvm/Target/GenericOpcodes.td` - Define the `G_FTAN`
Opcode
- `llvm/lib/CodeGen/GlobalISel/IRTranslator.cpp` Map the tan intrinsic
to `G_FTAN` Opcode
- `llvm/lib/Target/SPIRV/SPIRVInstructionSelector.cpp` - Map the
`G_FTAN` opcode to the GLSL 4.5 and openCL tan instructions.
- `llvm/lib/Target/SPIRV/SPIRVLegalizerInfo.cpp` - Define `G_FTAN` as a
legal spirv target opcode.



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