tree d3282dce8cca70cec92fdb6d465fab469ff3333d
parent f584ffbc3bb14b765a749ba6b520a94fcaf2147a
author Michael Delorimier <mdel@google.com> 1617349454 -0700
committer TensorFlower Gardener <gardener@tensorflow.org> 1617349788 -0700

`MlirXlaOpKernel` added, which can implement `XlaOpKernels` using MLIR legalization.

An `XlaOpKernel` is used in the old bridge to lower a TF op to HLO. The cl moves `ReluOp` from its custom implementation to `MlirXlaOpKernel`.

`xla_compilation_cache.h` now exports `CreateGraph` since it's used by `MlirXlaOpKernel`.

PiperOrigin-RevId: 366409160
Change-Id: Ie18eb5fc21b0c73c7f527d31ce15b33c44218dfd