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40 lines
1.6 KiB
40 lines
1.6 KiB
// RUN: mlir-opt %s -for-loop-specialization -split-input-file | FileCheck %s
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#map0 = affine_map<()[s0, s1] -> (1024, s0 - s1)>
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#map1 = affine_map<()[s0, s1] -> (64, s0 - s1)>
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func @for(%outer: index, %A: memref<?xf32>, %B: memref<?xf32>,
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%C: memref<?xf32>, %result: memref<?xf32>) {
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%c0 = constant 0 : index
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%c1 = constant 1 : index
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%d0 = dim %A, %c0 : memref<?xf32>
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%b0 = affine.min #map0()[%d0, %outer]
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scf.for %i0 = %c0 to %b0 step %c1 {
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%B_elem = load %B[%i0] : memref<?xf32>
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%C_elem = load %C[%i0] : memref<?xf32>
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%sum_elem = addf %B_elem, %C_elem : f32
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store %sum_elem, %result[%i0] : memref<?xf32>
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}
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return
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}
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// CHECK-LABEL: func @for(
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// CHECK-SAME: [[ARG0:%.*]]: index, [[ARG1:%.*]]: memref<?xf32>, [[ARG2:%.*]]: memref<?xf32>, [[ARG3:%.*]]: memref<?xf32>, [[ARG4:%.*]]: memref<?xf32>) {
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// CHECK: [[CST_0:%.*]] = constant 0 : index
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// CHECK: [[CST_1:%.*]] = constant 1 : index
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// CHECK: [[DIM_0:%.*]] = dim [[ARG1]], [[CST_0]] : memref<?xf32>
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// CHECK: [[MIN:%.*]] = affine.min #map(){{\[}}[[DIM_0]], [[ARG0]]]
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// CHECK: [[CST_1024:%.*]] = constant 1024 : index
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// CHECK: [[PRED:%.*]] = cmpi "eq", [[MIN]], [[CST_1024]] : index
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// CHECK: scf.if [[PRED]] {
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// CHECK: scf.for [[IDX0:%.*]] = [[CST_0]] to [[CST_1024]] step [[CST_1]] {
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// CHECK: store
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// CHECK: }
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// CHECK: } else {
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// CHECK: scf.for [[IDX0:%.*]] = [[CST_0]] to [[MIN]] step [[CST_1]] {
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// CHECK: store
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// CHECK: }
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// CHECK: }
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// CHECK: return
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// CHECK: }
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