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TheRock/compiler/amd-llvm/mlir/test/Dialect/Linalg/roundtrip-broadcast.mlir
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derek.holloway 7502bf64a4
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Flatten subprojects into a single base monorepo
2026-09-02 16:34:47 -07:00

33 lines
1.7 KiB
MLIR

// RUN: mlir-opt %s -linalg-generalize-named-ops | mlir-opt --linalg-specialize-generic-ops | FileCheck %s
// CHECK-LABEL: broadcast_first_dimension
// CHECK-SAME: %[[A:.+]]: tensor<?x?xf32>, %[[Out:.+]]: tensor<?x?x?xf32>)
// CHECK-NOT: linalg.generic
// CHECK: %broadcasted = linalg.broadcast ins(%[[A]] : tensor<?x?xf32>) outs(%[[Out]] : tensor<?x?x?xf32>) dimensions = [0]
//
func.func @broadcast_first_dimension(%A: tensor<?x?xf32>, %Out: tensor<?x?x?xf32>) -> tensor<?x?x?xf32> {
%res = linalg.broadcast ins(%A: tensor<?x?xf32>) outs(%Out: tensor<?x?x?xf32>) dimensions = [0]
return %res : tensor<?x?x?xf32>
}
// CHECK-LABEL: broadcast_mid_dimension
// CHECK-SAME: %[[A:.+]]: tensor<3x5xf32>, %[[Out:.+]]: tensor<3x4x5xf32>)
// CHECK-NOT: linalg.generic
// CHECK: %broadcasted = linalg.broadcast ins(%[[A]] : tensor<3x5xf32>) outs(%[[Out]] : tensor<3x4x5xf32>) dimensions = [1]
//
func.func @broadcast_mid_dimension(%A: tensor<3x5xf32>, %Out: tensor<3x4x5xf32>) -> tensor<3x4x5xf32> {
%res = linalg.broadcast ins(%A: tensor<3x5xf32>) outs(%Out: tensor<3x4x5xf32>) dimensions = [1]
return %res : tensor<3x4x5xf32>
}
// CHECK-LABEL: broadcast_multiple_dimensions
// CHECK-SAME: %[[A:.+]]: tensor<4x5x7xf32>, %[[Out:.+]]: tensor<3x4x5x6x7x8x9xf32>)
// CHECK-NOT: linalg.generic
// CHECK: %broadcasted = linalg.broadcast ins(%[[A]] : tensor<4x5x7xf32>) outs(%[[Out]] : tensor<3x4x5x6x7x8x9xf32>) dimensions = [0, 3, 5, 6]
//
func.func @broadcast_multiple_dimensions(%A: tensor<4x5x7xf32>, %Out: tensor<3x4x5x6x7x8x9xf32>) -> tensor<3x4x5x6x7x8x9xf32> {
%res = linalg.broadcast ins(%A: tensor<4x5x7xf32>) outs(%Out: tensor<3x4x5x6x7x8x9xf32>) dimensions = [0,3,5,6]
return %res : tensor<3x4x5x6x7x8x9xf32>
}