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[MLIR][KernelGen] Add MLIR-generated Xlogy kernel 

Add the first MLIR-generated kernel that relies on an in-TF lowering. Fusion for
this kernel relies on the generalized rank specialization for operation groups.

PiperOrigin-RevId: 376805435
This commit is contained in:
A. Unique TensorFlower 2021-06-01 04:47:21 -07:00 committed by TensorFlow MLIR Team
parent 6a570502b6
commit c7c245eaf1
2 changed files with 7 additions and 1 deletions
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6
lib/Dialect/mhlo/transforms/move_up_dynamic_broadcasts_for_fusion.cc
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@ -387,7 +387,13 @@ void PopulateMoveUpDynamicBroadcastsForFusionPatterns(
MoveUpBroadcastInDimOpPattern,
ShapeReificationPattern>(context);
// clang-format on
mhlo::DynamicBroadcastInDimOp::getCanonicalizationPatterns(*patterns,
context);
mhlo::DynamicReshapeOp::getCanonicalizationPatterns(*patterns, context);
shape::AssumingAllOp::getCanonicalizationPatterns(*patterns, context);
shape::AssumingOp::getCanonicalizationPatterns(*patterns, context);
shape::BroadcastOp::getCanonicalizationPatterns(*patterns, context);
shape::CstrBroadcastableOp::getCanonicalizationPatterns(*patterns, context);
tensor::CastOp::getCanonicalizationPatterns(*patterns, context);
}

2
lib/Dialect/mhlo/transforms/rank_specialization.cc
View File

@ -394,7 +394,7 @@ Value MaterializeEqualShapesRankSpecializationCase(
Value MaterializeTargetRankSpecializationCase(
OpBuilder &b, Location loc, chlo::RankSpecializationClusterOp op,
const SmallVector<Value, 8> &shapes, int64_t target_rank) {
// Reshape operands to match the target rank.
// Reshape unranked operands to match the target rank.
RankedTensorType extent_tensor_ty =
shape::getExtentTensorType(b.getContext(), target_rank);
Value all_ones_shape = b.create<shape::ConstShapeOp>(