[PATCH] D72836: [mlir][spirv] Add lowering from `loop.if` to `spv.selection`

[Denis Khalikov via Phabricator via llvm-commits]

denis13 created this revision.
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When lowering `loop.if` to `spv.selection` we explicitly create
a selection header block before the control flow diverges and a
merge block where control flow subsequently converges.


Repository:
  rG LLVM Github Monorepo

https://reviews.llvm.org/D72836

Files:
  mlir/lib/Conversion/GPUToSPIRV/ConvertGPUToSPIRV.cpp
  mlir/test/Conversion/GPUToSPIRV/if.mlir

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