[all-commits] [llvm/llvm-project] 297798: [mlir][spirv] Add lowering from `loop.if` to `spv....

[Denis Khalikov via All-commits]

  Branch: refs/heads/master
  Home:   https://github.com/llvm/llvm-project
  Commit: 29779894af42649044df61a8d8b3ff04b59b7b70
      https://github.com/llvm/llvm-project/commit/29779894af42649044df61a8d8b3ff04b59b7b70
  Author: Denis Khalikov <khalikov.denis at huawei.com>
  Date:   2020-01-17 (Fri, 17 Jan 2020)

  Changed paths:
    M mlir/lib/Conversion/GPUToSPIRV/ConvertGPUToSPIRV.cpp
    A mlir/test/Conversion/GPUToSPIRV/if.mlir

  Log Message:
  -----------
  [mlir][spirv] Add lowering from `loop.if` to `spv.selection`

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.

Differential Revision: https://reviews.llvm.org/D72836