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TheRock/compiler/amd-llvm/mlir/test/Dialect/Vector/shape-cast-folder.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

39 lines
1.7 KiB
MLIR

// RUN: mlir-opt %s --transform-interpreter --split-input-file | FileCheck %s
///----------------------------------------------------------------------------------------
/// [Pattern: ShapeCastOpFolder]
///----------------------------------------------------------------------------------------
// CHECK-LABEL: func @fixed_width
// CHECK-SAME: %[[A0:.*0]]: vector<2x4xf32>
// CHECK-NOT: vector.shape_cast
// CHECK: return %[[A0]] : vector<2x4xf32>
func.func @fixed_width(%arg0 : vector<2x4xf32>) -> vector<2x4xf32> {
%0 = vector.shape_cast %arg0 : vector<2x4xf32> to vector<8xf32>
%1 = vector.shape_cast %0 : vector<8xf32> to vector<2x4xf32>
return %1 : vector<2x4xf32>
}
// CHECK-LABEL: func @scalable
// CHECK-SAME: %[[A0:.*0]]: vector<2x[4]xf32>
// CHECK-NOT: vector.shape_cast
// CHECK: return %[[A0]] : vector<2x[4]xf32>
func.func @scalable(%arg0 : vector<2x[4]xf32>) -> vector<2x[4]xf32> {
%0 = vector.shape_cast %arg0 : vector<2x[4]xf32> to vector<[8]xf32>
%1 = vector.shape_cast %0 : vector<[8]xf32> to vector<2x[4]xf32>
return %1 : vector<2x[4]xf32>
}
// ============================================================================
// TD sequence
// ============================================================================
module attributes {transform.with_named_sequence} {
transform.named_sequence @__transform_main(%root : !transform.any_op {transform.readonly}) {
%func_op = transform.structured.match ops{["func.func"]} in %root : (!transform.any_op) -> !transform.op<"func.func">
transform.apply_patterns to %func_op {
transform.apply_patterns.vector.drop_unit_dims_with_shape_cast
} : !transform.op<"func.func">
transform.yield
}
}