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// RUN: mlir-opt %s -pass-pipeline="builtin.module(func.func(convert-scf-to-cf,convert-arith-to-llvm),finalize-memref-to-llvm,convert-func-to-llvm,reconcile-unrealized-casts)" \
// RUN: | mlir-cpu-runner -e main -entry-point-result=void \
// RUN: -shared-libs=%mlir_runner_utils,%mlir_c_runner_utils \
// RUN: | FileCheck %s
func.func private @printMemrefF32(memref<*xf32>) attributes { llvm.emit_c_interface }
func.func @main() -> () {
%c0 = arith.constant 0 : index
%c1 = arith.constant 1 : index
%c42 = arith.constant 42.0 : f32
// Initialize input.
%input = memref.alloc() : memref<2x3xf32>
%dim_x = memref.dim %input, %c0 : memref<2x3xf32>
%dim_y = memref.dim %input, %c1 : memref<2x3xf32>
scf.parallel (%i, %j) = (%c0, %c0) to (%dim_x, %dim_y) step (%c1, %c1) {
%prod = arith.muli %i, %dim_y : index
%val = arith.addi %prod, %j : index
%val_i64 = arith.index_cast %val : index to i64
%val_f32 = arith.sitofp %val_i64 : i64 to f32
memref.store %val_f32, %input[%i, %j] : memref<2x3xf32>
}
%unranked_input = memref.cast %input : memref<2x3xf32> to memref<*xf32>
call @printMemrefF32(%unranked_input) : (memref<*xf32>) -> ()
// CHECK: rank = 2 offset = 0 sizes = [2, 3] strides = [3, 1]
// CHECK-NEXT: [0, 1, 2]
// CHECK-NEXT: [3, 4, 5]
%copy = memref.alloc() : memref<2x3xf32>
memref.copy %input, %copy : memref<2x3xf32> to memref<2x3xf32>
%unranked_copy = memref.cast %copy : memref<2x3xf32> to memref<*xf32>
call @printMemrefF32(%unranked_copy) : (memref<*xf32>) -> ()
// CHECK: rank = 2 offset = 0 sizes = [2, 3] strides = [3, 1]
// CHECK-NEXT: [0, 1, 2]
// CHECK-NEXT: [3, 4, 5]
%copy_two = memref.alloc() : memref<3x2xf32>
%copy_two_casted = memref.reinterpret_cast %copy_two to offset: [0], sizes: [2, 3], strides: [1, 2]
: memref<3x2xf32> to memref<2x3xf32, strided<[1, 2], offset: 0>>
memref.copy %input, %copy_two_casted : memref<2x3xf32> to memref<2x3xf32, strided<[1, 2], offset: 0>>
%unranked_copy_two = memref.cast %copy_two : memref<3x2xf32> to memref<*xf32>
call @printMemrefF32(%unranked_copy_two) : (memref<*xf32>) -> ()
// CHECK: rank = 2 offset = 0 sizes = [3, 2] strides = [2, 1]
// CHECK-NEXT: [0, 3]
// CHECK-NEXT: [1, 4]
// CHECK-NEXT: [2, 5]
%input_empty = memref.alloc() : memref<3x0x1xf32>
%copy_empty = memref.alloc() : memref<3x0x1xf32>
// Copying an empty shape should do nothing (and should not crash).
memref.copy %input_empty, %copy_empty : memref<3x0x1xf32> to memref<3x0x1xf32>
%input_empty_casted = memref.reinterpret_cast %input_empty to offset: [0], sizes: [0, 3, 1], strides: [3, 1, 1]
: memref<3x0x1xf32> to memref<0x3x1xf32, strided<[3, 1, 1], offset: 0>>
%copy_empty_casted = memref.alloc() : memref<0x3x1xf32>
// Copying a casted empty shape should do nothing (and should not crash).
memref.copy %input_empty_casted, %copy_empty_casted : memref<0x3x1xf32, strided<[3, 1, 1], offset: 0>> to memref<0x3x1xf32>
%scalar = memref.alloc() : memref<f32>
memref.store %c42, %scalar[] : memref<f32>
%scalar_copy = memref.alloc() : memref<f32>
memref.copy %scalar, %scalar_copy : memref<f32> to memref<f32>
%unranked_scalar_copy = memref.cast %scalar_copy : memref<f32> to memref<*xf32>
call @printMemrefF32(%unranked_scalar_copy) : (memref<*xf32>) -> ()
// CHECK: rank = 0 offset = 0 sizes = [] strides = []
// CHECK-NEXT [42]
memref.dealloc %copy_empty : memref<3x0x1xf32>
memref.dealloc %copy_empty_casted : memref<0x3x1xf32>
memref.dealloc %input_empty : memref<3x0x1xf32>
memref.dealloc %copy_two : memref<3x2xf32>
memref.dealloc %copy : memref<2x3xf32>
memref.dealloc %input : memref<2x3xf32>
memref.dealloc %scalar : memref<f32>
memref.dealloc %scalar_copy : memref<f32>
return
}
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