79 lines
3.6 KiB
MLIR
79 lines
3.6 KiB
MLIR
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// RUN: mlir-opt %s -allow-unregistered-dialect \
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// RUN: -transform-interpreter -canonicalize \
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// RUN: -split-input-file -verify-diagnostics | FileCheck %s
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// CHECK: #[[$map:.*]] = affine_map<()[s0] -> (s0 - 1)>
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// CHECK-LABEL: func @make_alloca_loop_independent(
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// CHECK-SAME: %[[lb:.*]]: index, %[[ub:.*]]: index, %[[step:.*]]: index)
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func.func @make_alloca_loop_independent(%lb: index, %ub: index, %step: index) {
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%cst = arith.constant 5.5 : f32
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%c0 = arith.constant 0 : index
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// CHECK: scf.for %[[iv:.*]] = %[[lb]] to %[[ub]]
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scf.for %i = %lb to %ub step %step {
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// CHECK: %[[sz:.*]] = affine.apply #[[$map]]()[%[[ub]]]
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// CHECK: %[[alloca:.*]] = memref.alloca(%[[sz]])
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// CHECK: %[[subview:.*]] = memref.subview %[[alloca]][0] [%[[iv]]] [1] : memref<?xf32> to memref<?xf32, strided<[1]>>
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// CHECK: %[[cast:.*]] = builtin.unrealized_conversion_cast %[[subview]] : memref<?xf32, strided<[1]>> to memref<?xf32>
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%alloc = memref.alloca(%i) : memref<?xf32>
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// memref.subview has special handling.
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// CHECK: %[[subview2:.*]] = memref.subview %[[subview]][1] [5] [1] : memref<?xf32, strided<[1]>> to memref<5xf32, strided<[1], offset: 1>>
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%view = memref.subview %alloc[1][5][1] : memref<?xf32> to memref<5xf32, strided<[1], offset: 1>>
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// This op takes a memref but does not produce one. The new alloc is used
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// directly.
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// CHECK: "test.some_use"(%[[subview2]])
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"test.some_use"(%view) : (memref<5xf32, strided<[1], offset: 1>>) -> ()
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// This op produces a memref, so the new alloc cannot be used directly.
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// It is wrapped in a unrealized_conversion_cast.
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// CHECK: "test.another_use"(%[[cast]]) : (memref<?xf32>) -> memref<?xf32>
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"test.another_use"(%alloc) : (memref<?xf32>) -> (memref<?xf32>)
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// CHECK: memref.store %{{.*}}, %[[subview]]
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memref.store %cst, %alloc[%c0] : memref<?xf32>
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}
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return
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}
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module attributes {transform.with_named_sequence} {
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transform.named_sequence @__transform_main(%arg1: !transform.any_op {transform.readonly}) {
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%0 = transform.structured.match ops{["memref.alloca"]} in %arg1 : (!transform.any_op) -> !transform.any_op
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%1 = transform.memref.make_loop_independent %0 {num_loops = 1} : (!transform.any_op) -> !transform.any_op
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transform.yield
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}
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}
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// -----
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// CHECK: #[[$map:.*]] = affine_map<(d0) -> (-d0 + 128)>
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// CHECK-LABEL: func @make_alloca_loop_independent_static(
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func.func @make_alloca_loop_independent_static(%step: index) {
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%cst = arith.constant 5.5 : f32
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%c0 = arith.constant 0 : index
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%ub = arith.constant 128 : index
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// CHECK: scf.for %[[iv:.*]] =
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scf.for %i = %c0 to %ub step %step {
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// CHECK: %[[sz:.*]] = affine.apply #[[$map]](%[[iv]])
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%sz = affine.apply affine_map<(d0)[s0] -> (-d0 + s0)>(%i)[%ub]
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// CHECK: %[[alloca:.*]] = memref.alloca() : memref<128xf32>
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// CHECK: %[[subview:.*]] = memref.subview %[[alloca]][0] [%[[sz]]] [1] : memref<128xf32> to memref<?xf32, strided<[1]>>
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%alloc = memref.alloca(%sz) : memref<?xf32>
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// CHECK: memref.store %{{.*}}, %[[subview]]
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memref.store %cst, %alloc[%c0] : memref<?xf32>
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// CHECK: vector.print %[[sz]]
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%dim = memref.dim %alloc, %c0 : memref<?xf32>
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vector.print %dim : index
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}
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return
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}
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module attributes {transform.with_named_sequence} {
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transform.named_sequence @__transform_main(%arg1: !transform.any_op {transform.readonly}) {
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%0 = transform.structured.match ops{["memref.alloca"]} in %arg1 : (!transform.any_op) -> !transform.any_op
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%1 = transform.memref.make_loop_independent %0 {num_loops = 1} : (!transform.any_op) -> !transform.any_op
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transform.yield
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}
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}
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