forked from OSchip/llvm-project
204 lines
8.4 KiB
MLIR
204 lines
8.4 KiB
MLIR
// RUN: mlir-opt %s -affine-loop-normalize -split-input-file | FileCheck %s
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// Normalize steps to 1 and lower bounds to 0.
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// CHECK-DAG: [[$MAP0:#map[0-9]+]] = affine_map<(d0) -> (d0 * 3)>
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// CHECK-DAG: [[$MAP1:#map[0-9]+]] = affine_map<(d0) -> (d0 * 2 + 1)>
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// CHECK-DAG: [[$MAP2:#map[0-9]+]] = affine_map<(d0, d1) -> (d0 + d1)>
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// CHECK-LABEL: func @normalize_parallel()
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func @normalize_parallel() {
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%cst = constant 1.0 : f32
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%0 = memref.alloc() : memref<2x4xf32>
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// CHECK: affine.parallel (%[[i0:.*]], %[[j0:.*]]) = (0, 0) to (4, 2)
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affine.parallel (%i, %j) = (0, 1) to (10, 5) step (3, 2) {
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// CHECK: %[[i1:.*]] = affine.apply [[$MAP0]](%[[i0]])
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// CHECK: %[[j1:.*]] = affine.apply [[$MAP1]](%[[j0]])
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// CHECK: affine.parallel (%[[k0:.*]]) = (0) to (%[[j1]] - %[[i1]])
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affine.parallel (%k) = (%i) to (%j) {
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// CHECK: %[[k1:.*]] = affine.apply [[$MAP2]](%[[i1]], %[[k0]])
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// CHECK: affine.store %{{.*}}, %{{.*}}[%[[i1]], %[[k1]]] : memref<2x4xf32>
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affine.store %cst, %0[%i, %k] : memref<2x4xf32>
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}
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}
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return
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}
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// -----
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// Check that single iteration loop is removed and its body is promoted to the
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// parent block.
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// CHECK-LABEL: func @single_iteration_loop
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func @single_iteration_loop(%in: memref<1xf32>, %out: memref<1xf32>) {
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affine.for %i = 0 to 1 {
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%1 = affine.load %in[%i] : memref<1xf32>
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affine.store %1, %out[%i] : memref<1xf32>
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}
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return
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}
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// CHECK-NOT: affine.for
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// CHECK: affine.load
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// CHECK-NEXT: affine.store
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// CHECK-NEXT: return
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// -----
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// CHECK-DAG: [[$IV0:#map[0-9]+]] = affine_map<(d0) -> (d0 * 2 + 2)>
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// CHECK-DAG: [[$IV1:#map[0-9]+]] = affine_map<(d0) -> (d0 * 3)>
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// CHECK-LABEL: func @simple_loop_nest()
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// CHECK-NEXT: affine.for %[[I:.*]] = 0 to 15 {
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// CHECK-NEXT: %[[IIV:.*]] = affine.apply [[$IV0]](%[[I]])
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// CHECK-NEXT: affine.for %[[II:.*]] = 0 to 11 {
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// CHECK-NEXT: %[[IIIV:.*]] = affine.apply [[$IV1]](%[[II]])
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// CHECK-NEXT: "test.foo"(%[[IIV]], %[[IIIV]])
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// CHECK-NEXT: }
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// CHECK-NEXT: }
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// CHECK-NEXT: return
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// CHECK-NEXT: }
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func @simple_loop_nest(){
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affine.for %i0 = 2 to 32 step 2 {
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affine.for %i1 = 0 to 32 step 3 {
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"test.foo"(%i0, %i1) : (index, index) -> ()
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}
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}
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return
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}
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// -----
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// CHECK-DAG: [[$IV00:#map[0-9]+]] = affine_map<(d0) -> (d0 * 32 + 2)>
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// CHECK-DAG: [[$IV11:#map[0-9]+]] = affine_map<(d0) -> (d0 * 2)>
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// CHECK-DAG: [[$UB00:#map[0-9]+]] = affine_map<()[s0] -> ((s0 - 2) ceildiv 32)>
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// CHECK-DAG: [[$UB11:#map[0-9]+]] = affine_map<()[s0] -> (s0 ceildiv 2)>
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// CHECK-LABEL: func @loop_with_unknown_upper_bound
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// CHECK-SAME: (%[[ARG0:.*]]: memref<?x?xf32>, %[[ARG1:.*]]: index)
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// CHECK-NEXT: %{{.*}} = constant 0 : index
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// CHECK-NEXT: %[[DIM:.*]] = memref.dim %arg0, %c0 : memref<?x?xf32>
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// CHECK-NEXT: affine.for %[[I:.*]] = 0 to [[$UB00]]()[%[[DIM]]] {
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// CHECK-NEXT: %[[IIV:.*]] = affine.apply [[$IV00]](%[[I]])
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// CHECK-NEXT: affine.for %[[II:.*]] = 0 to [[$UB11]]()[%[[ARG1]]] {
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// CHECK-NEXT: %[[IIIV:.*]] = affine.apply [[$IV11]](%[[II]])
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// CHECK-NEXT: "test.foo"(%[[IIV]], %[[IIIV]])
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// CHECK-NEXT: }
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// CHECK-NEXT: }
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// CHECK-NEXT: return
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// CHECK-NEXT: }
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func @loop_with_unknown_upper_bound(%arg0: memref<?x?xf32>, %arg1: index) {
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%c0 = constant 0 : index
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%0 = memref.dim %arg0, %c0 : memref<?x?xf32>
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affine.for %i0 = 2 to %0 step 32 {
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affine.for %i1 = 0 to %arg1 step 2 {
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"test.foo"(%i0, %i1) : (index, index) -> ()
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}
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}
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return
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}
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// -----
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// CHECK-DAG: [[$OUTERIV:#map[0-9]+]] = affine_map<(d0) -> (d0 * 32 + 2)>
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// CHECK-DAG: [[$INNERIV:#map[0-9]+]] = affine_map<(d0) -> (d0 + 2)>
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// CHECK-DAG: [[$OUTERUB:#map[0-9]+]] = affine_map<()[s0] -> ((s0 - 2) ceildiv 32)>
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// CHECK-DAG: [[$INNERUB:#map[0-9]+]] = affine_map<(d0) -> (d0 - 2, 510)>
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// CHECK-LABEL: func @loop_with_multiple_upper_bounds
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// CHECK-SAME: (%[[ARG0:.*]]: memref<?x?xf32>, %[[ARG1:.*]]: index)
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// CHECK-NEXT: %{{.*}} = constant 0 : index
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// CHECK-NEXT: %[[DIM:.*]] = memref.dim %arg0, %c0 : memref<?x?xf32>
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// CHECK-NEXT: affine.for %[[I:.*]] = 0 to [[$OUTERUB]]()[%[[DIM]]] {
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// CHECK-NEXT: %[[IIV:.*]] = affine.apply [[$OUTERIV]](%[[I]])
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// CHECK-NEXT: affine.for %[[II:.*]] = 0 to min [[$INNERUB]](%[[ARG1]]) {
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// CHECK-NEXT: %[[IIIV:.*]] = affine.apply [[$INNERIV]](%[[II]])
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// CHECK-NEXT: "test.foo"(%[[IIV]], %[[IIIV]])
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// CHECK-NEXT: }
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// CHECK-NEXT: }
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// CHECK-NEXT: return
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// CHECK-NEXT: }
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func @loop_with_multiple_upper_bounds(%arg0: memref<?x?xf32>, %arg1 : index) {
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%c0 = constant 0 : index
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%0 = memref.dim %arg0, %c0 : memref<?x?xf32>
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affine.for %i0 = 2 to %0 step 32{
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affine.for %i1 = 2 to min affine_map<(d0)[] -> (d0, 512)>(%arg1) {
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"test.foo"(%i0, %i1) : (index, index) -> ()
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}
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}
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return
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}
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// -----
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// CHECK-DAG: [[$INTERUB:#map[0-9]+]] = affine_map<()[s0] -> (s0 ceildiv 32)>
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// CHECK-DAG: [[$INTERIV:#map[0-9]+]] = affine_map<(d0) -> (d0 * 32)>
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// CHECK-DAG: [[$INTRAUB:#map[0-9]+]] = affine_map<(d0, d1)[s0] -> (32, -d0 + s0)>
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// CHECK-DAG: [[$INTRAIV:#map[0-9]+]] = affine_map<(d0, d1) -> (d1 + d0)>
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// CHECK-LABEL: func @tiled_matmul
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// CHECK-SAME: (%[[ARG0:.*]]: memref<1024x1024xf32>, %[[ARG1:.*]]: memref<1024x1024xf32>, %[[ARG2:.*]]: memref<1024x1024xf32>)
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// CHECK-NEXT: %{{.*}} = constant 0 : index
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// CHECK-NEXT: %{{.*}} = constant 1 : index
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// CHECK-NEXT: %[[DIM0:.*]] = memref.dim %[[ARG0]], %{{.*}}
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// CHECK-NEXT: %[[DIM1:.*]] = memref.dim %[[ARG1]], %{{.*}}
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// CHECK-NEXT: %[[DIM2:.*]] = memref.dim %[[ARG0]], %{{.*}}
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// CHECK-NEXT: affine.for %[[I:.*]] = 0 to [[$INTERUB]]()[%[[DIM0]]] {
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// CHECK-NEXT: %[[IIV:.*]] = affine.apply [[$INTERIV]](%[[I]])
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// CHECK-NEXT: affine.for %[[J:.*]] = 0 to [[$INTERUB]]()[%[[DIM1]]] {
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// CHECK-NEXT: %[[JIV:.*]] = affine.apply [[$INTERIV]](%[[J]])
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// CHECK-NEXT: affine.for %[[K:.*]] = 0 to [[$INTERUB]]()[%[[DIM2]]] {
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// CHECK-NEXT: %[[KIV:.*]] = affine.apply [[$INTERIV]](%[[K]])
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// CHECK-NEXT: affine.for %[[II:.*]] = 0 to min [[$INTRAUB]](%[[IIV]], %[[IIV]])[%[[DIM0]]] {
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// CHECK-NEXT: %[[IIIV:.*]] = affine.apply [[$INTRAIV]](%[[IIV]], %[[II]])
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// CHECK-NEXT: affine.for %[[JJ:.*]] = 0 to min [[$INTRAUB]](%[[JIV]], %[[JIV]])[%[[DIM1]]] {
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// CHECK-NEXT: %[[JJIV:.*]] = affine.apply [[$INTRAIV]](%[[JIV]], %[[JJ]])
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// CHECK-NEXT: affine.for %[[KK:.*]] = 0 to min [[$INTRAUB]](%[[KIV]], %[[KIV]])[%[[DIM2]]] {
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// CHECK-NEXT: %[[KKIV:.*]] = affine.apply [[$INTRAIV]](%[[KIV]], %[[KK]])
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// CHECK-NEXT: %{{.*}} = affine.load %[[ARG0]][%[[IIIV]], %[[KKIV]]] : memref<1024x1024xf32>
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// CHECK-NEXT: %{{.*}} = affine.load %[[ARG1]][%[[KKIV]], %[[JJIV]]] : memref<1024x1024xf32>
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// CHECK-NEXT: %{{.*}} = affine.load %[[ARG2]][%[[IIIV]], %[[JJIV]]] : memref<1024x1024xf32>
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// CHECK-NEXT: %{{.*}} = mulf %9, %10 : f32
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// CHECK-NEXT: %{{.*}} = addf %11, %12 : f32
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// CHECK-NEXT: affine.store %{{.*}}, %[[ARG2]][%6, %7] : memref<1024x1024xf32>
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// CHECK-NEXT: }
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// CHECK-NEXT: }
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// CHECK-NEXT: }
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// CHECK-NEXT: }
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// CHECK-NEXT: }
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// CHECK-NEXT: }
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// CHECK-NEXT: return
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// CHECK-NEXT: }
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#map0 = affine_map<(d0, d1) -> (d0, d1)>
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#map1 = affine_map<(d0) -> (d0)>
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#map2 = affine_map<(d0)[s0] -> (d0 + 32, s0)>
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#map3 = affine_map<() -> (0)>
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#map4 = affine_map<()[s0] -> (s0)>
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func @tiled_matmul(%0: memref<1024x1024xf32>, %1: memref<1024x1024xf32>, %2: memref<1024x1024xf32>) {
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%c0 = constant 0 : index
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%c1 = constant 1 : index
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%3 = memref.dim %0, %c0 : memref<1024x1024xf32>
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%4 = memref.dim %1, %c1 : memref<1024x1024xf32>
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%5 = memref.dim %0, %c1 : memref<1024x1024xf32>
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affine.for %arg0 = 0 to %3 step 32 {
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affine.for %arg1 = 0 to %4 step 32 {
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affine.for %arg2 = 0 to %5 step 32 {
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affine.for %arg3 = #map1(%arg0) to min #map2(%arg0)[%3] {
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affine.for %arg4 = #map1(%arg1) to min #map2(%arg1)[%4] {
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affine.for %arg5 = #map1(%arg2) to min #map2(%arg2)[%5] {
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%6 = affine.load %0[%arg3, %arg5] : memref<1024x1024xf32>
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%7 = affine.load %1[%arg5, %arg4] : memref<1024x1024xf32>
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%8 = affine.load %2[%arg3, %arg4] : memref<1024x1024xf32>
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%9 = mulf %6, %7 : f32
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%10 = addf %8, %9 : f32
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affine.store %10, %2[%arg3, %arg4] : memref<1024x1024xf32>
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}
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}
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}
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}
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}
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}
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return
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}
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