derek.holloway
7502bf64a4
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108 lines
5.2 KiB
MLIR
108 lines
5.2 KiB
MLIR
// RUN: mlir-opt --expand-realloc %s --split-input-file --verify-diagnostics | FileCheck %s
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// RUN: mlir-opt --expand-realloc=emit-deallocs=false %s --split-input-file --verify-diagnostics | FileCheck %s --check-prefix=NODEALLOC
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func.func @reallow_lowering_example(%init_size: index, %new_size: index) -> memref<?xf32> {
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%alloc = memref.alloc(%init_size) : memref<?xf32>
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%realloc = memref.realloc %alloc (%new_size) {alignment = 8}: memref<?xf32> to memref<?xf32>
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return %realloc : memref<?xf32>
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}
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// CHECK-LABEL: func @reallow_lowering_example
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// CHECK-SAME: ([[INIT_SIZE:%.+]]: index, [[NEW_SIZE:%.+]]: index)
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// CHECK-NEXT: [[OLD_ALLOC:%.+]] = memref.alloc([[INIT_SIZE]]) : memref<?xf32>
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// CHECK-NEXT: [[C0:%.+]] = arith.constant 0
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// CHECK-NEXT: [[CURR_SIZE:%.+]] = memref.dim [[OLD_ALLOC]], [[C0]]
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// CHECK-NEXT: [[COND:%.+]] = arith.cmpi ult, [[CURR_SIZE]], [[NEW_SIZE]]
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// CHECK-NEXT: [[REALLOC:%.+]] = scf.if [[COND]]
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// CHECK-NEXT: [[NEW_ALLOC:%.+]] = memref.alloc([[NEW_SIZE]]) {alignment = 8 : i64} : memref<?xf32>
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// CHECK-NEXT: [[SUBVIEW:%.+]] = memref.subview [[NEW_ALLOC]][0] [[[CURR_SIZE]]] [1]
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// CHECK-NEXT: memref.copy [[OLD_ALLOC]], [[SUBVIEW]]
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// CHECK-NEXT: memref.dealloc [[OLD_ALLOC]]
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// CHECK-NEXT: scf.yield [[NEW_ALLOC]]
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// CHECK: [[CAST:%.+]] = memref.reinterpret_cast [[OLD_ALLOC]] to offset: [0], sizes: [[[NEW_SIZE]]], strides: [1] : memref<?xf32> to memref<?xf32>
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// CHECK-NEXT: scf.yield [[CAST]]
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// CHECK: return [[REALLOC]]
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// NODEALLOC-LABEL: func @reallow_lowering_example
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// NODEALLOC-NOT: dealloc
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// -----
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func.func @reallow_lowering_example() -> memref<4xf32> {
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%alloc = memref.alloc() : memref<2xf32>
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%realloc = memref.realloc %alloc {alignment = 8}: memref<2xf32> to memref<4xf32>
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return %realloc : memref<4xf32>
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}
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// CHECK-LABEL: func @reallow_lowering_example
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// CHECK-NEXT: [[OLD_ALLOC:%.+]] = memref.alloc() : memref<2xf32>
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// CHECK-NEXT: [[CURR_SIZE:%.+]] = arith.constant 2
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// CHECK-NEXT: [[NEW_SIZE:%.+]] = arith.constant 4
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// CHECK-NEXT: [[COND:%.+]] = arith.cmpi ult, [[CURR_SIZE]], [[NEW_SIZE]]
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// CHECK-NEXT: [[REALLOC:%.+]] = scf.if [[COND]]
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// CHECK-NEXT: [[NEW_ALLOC:%.+]] = memref.alloc() {alignment = 8 : i64} : memref<4xf32>
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// CHECK-NEXT: [[SUBVIEW:%.+]] = memref.subview [[NEW_ALLOC]][0] [2] [1]
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// CHECK-NEXT: memref.copy [[OLD_ALLOC]], [[SUBVIEW]]
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// CHECK-NEXT: memref.dealloc [[OLD_ALLOC]]
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// CHECK-NEXT: scf.yield [[NEW_ALLOC]]
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// CHECK: [[CAST:%.+]] = memref.reinterpret_cast [[OLD_ALLOC]] to offset: [0], sizes: [4], strides: [1] : memref<2xf32> to memref<4xf32>
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// CHECK-NEXT: scf.yield [[CAST]]
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// CHECK: return [[REALLOC]]
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// NODEALLOC-LABEL: func @reallow_lowering_example
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// NODEALLOC-NOT: dealloc
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// -----
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func.func @reallow_lowering_example(%init_size: index) -> memref<4xf32> {
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%alloc = memref.alloc(%init_size) : memref<?xf32>
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%realloc = memref.realloc %alloc : memref<?xf32> to memref<4xf32>
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return %realloc : memref<4xf32>
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}
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// CHECK-LABEL: func @reallow_lowering_example
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// CHECK-SAME: ([[INIT_SIZE:%.+]]: index)
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// CHECK-NEXT: [[OLD_ALLOC:%.+]] = memref.alloc([[INIT_SIZE]]) : memref<?xf32>
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// CHECK-NEXT: [[C0:%.+]] = arith.constant 0
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// CHECK-NEXT: [[CURR_SIZE:%.+]] = memref.dim [[OLD_ALLOC]], [[C0]]
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// CHECK-NEXT: [[NEW_SIZE:%.+]] = arith.constant 4
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// CHECK-NEXT: [[COND:%.+]] = arith.cmpi ult, [[CURR_SIZE]], [[NEW_SIZE]]
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// CHECK-NEXT: [[REALLOC:%.+]] = scf.if [[COND]]
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// CHECK-NEXT: [[NEW_ALLOC:%.+]] = memref.alloc() : memref<4xf32>
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// CHECK-NEXT: [[SUBVIEW:%.+]] = memref.subview [[NEW_ALLOC]][0] [[[CURR_SIZE]]] [1]
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// CHECK-NEXT: memref.copy [[OLD_ALLOC]], [[SUBVIEW]]
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// CHECK-NEXT: memref.dealloc [[OLD_ALLOC]]
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// CHECK-NEXT: scf.yield [[NEW_ALLOC]]
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// CHECK: [[CAST:%.+]] = memref.reinterpret_cast [[OLD_ALLOC]] to offset: [0], sizes: [4], strides: [1] : memref<?xf32> to memref<4xf32>
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// CHECK-NEXT: scf.yield [[CAST]]
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// CHECK: return [[REALLOC]]
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// NODEALLOC-LABEL: func @reallow_lowering_example
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// NODEALLOC-NOT: dealloc
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// -----
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func.func @reallow_lowering_example(%new_size: index) -> memref<?xf32> {
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%alloc = memref.alloc() : memref<2xf32>
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%realloc = memref.realloc %alloc(%new_size) : memref<2xf32> to memref<?xf32>
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return %realloc : memref<?xf32>
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}
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// CHECK-LABEL: func @reallow_lowering_example
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// CHECK-SAME: ([[NEW_SIZE:%.+]]: index)
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// CHECK-NEXT: [[OLD_ALLOC:%.+]] = memref.alloc() : memref<2xf32>
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// CHECK-NEXT: [[CURR_SIZE:%.+]] = arith.constant 2
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// CHECK-NEXT: [[COND:%.+]] = arith.cmpi ult, [[CURR_SIZE]], [[NEW_SIZE]]
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// CHECK-NEXT: [[REALLOC:%.+]] = scf.if [[COND]]
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// CHECK-NEXT: [[NEW_ALLOC:%.+]] = memref.alloc([[NEW_SIZE]]) : memref<?xf32>
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// CHECK-NEXT: [[SUBVIEW:%.+]] = memref.subview [[NEW_ALLOC]][0] [2] [1]
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// CHECK-NEXT: memref.copy [[OLD_ALLOC]], [[SUBVIEW]]
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// CHECK-NEXT: memref.dealloc [[OLD_ALLOC]]
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// CHECK-NEXT: scf.yield [[NEW_ALLOC]]
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// CHECK: [[CAST:%.+]] = memref.reinterpret_cast [[OLD_ALLOC]] to offset: [0], sizes: [[[NEW_SIZE]]], strides: [1] : memref<2xf32> to memref<?xf32>
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// CHECK-NEXT: scf.yield [[CAST]]
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// CHECK: return [[REALLOC]]
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// NODEALLOC-LABEL: func @reallow_lowering_example
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// NODEALLOC-NOT: dealloc
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