[all-commits] [llvm/llvm-project] 8cbb8a: [mlir][spirv] Add folding for SelectOp (#85430)

[Finn Plummer via All-commits]

  Branch: refs/heads/main
  Home:   https://github.com/llvm/llvm-project
  Commit: 8cbb8ac02cc481723a0e0c20beab03fdc50accd9
      https://github.com/llvm/llvm-project/commit/8cbb8ac02cc481723a0e0c20beab03fdc50accd9
  Author: Finn Plummer <50529406+inbelic at users.noreply.github.com>
  Date:   2024-03-19 (Tue, 19 Mar 2024)

  Changed paths:
    M mlir/include/mlir/Dialect/SPIRV/IR/SPIRVLogicalOps.td
    M mlir/lib/Dialect/SPIRV/IR/SPIRVCanonicalization.cpp
    M mlir/test/Conversion/SPIRVToLLVM/misc-ops-to-llvm.mlir
    M mlir/test/Dialect/SPIRV/Transforms/canonicalize.mlir

  Log Message:
  -----------
  [mlir][spirv] Add folding for SelectOp (#85430)

Add missing constant propogation folder for spirv.Select

Implement additional folding when both selections are equivalent or the
condition is a constant Scalar/SplatVector.

Allows for constant folding in the IndexToSPIRV pass.

Part of work #70704



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