4fbbb7ad7c
No ownership is assumed for memref results of ops that implement none of the relevant interfaces and have no memref operands. This fixes #68948.
32 lines
1.3 KiB
MLIR
32 lines
1.3 KiB
MLIR
// RUN: mlir-opt -verify-diagnostics -ownership-based-buffer-deallocation \
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// RUN: --buffer-deallocation-simplification -canonicalize -split-input-file %s | FileCheck %s
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// No ownership is assumed for ops that do not implement any interface and have
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// no memref operands.
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// CHECK-LABEL: func private @no_interface_no_operands(
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// CHECK-NEXT: %[[m:.*]] = bufferization.to_memref
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// CHECK-NEXT: %[[clone:.*]] = bufferization.clone %[[m]]
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// CHECK-NEXT: return %[[clone]]
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func.func private @no_interface_no_operands(%t : tensor<?x?x?xf16>) -> memref<?x?x?xf16> {
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%0 = bufferization.to_memref %t : memref<?x?x?xf16>
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return %0 : memref<?x?x?xf16>
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}
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// -----
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// If an op does not implement any interface but has memref operands, the
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// ownership of the memref results is computed from the operands.
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// CHECK-LABEL: func private @no_interface(
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// CHECK: %[[true:.*]] = arith.constant true
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// CHECK: %[[alloc:.*]] = memref.alloc
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// CHECK: %[[foo:.*]] = "test.foo"(%[[alloc]])
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// CHECK: %[[r:.*]] = bufferization.dealloc (%[[alloc]] : {{.*}}) if (%[[true]]) retain (%[[foo]] : {{.*}})
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// CHECK: return %[[foo]]
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func.func private @no_interface() -> memref<5xf32> {
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%0 = memref.alloc() : memref<5xf32>
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%1 = "test.foo"(%0) : (memref<5xf32>) -> (memref<5xf32>)
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return %1 : memref<5xf32>
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}
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