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274 lines
11 KiB
274 lines
11 KiB
// RUN: mlir-opt %s -split-input-file -affine-loop-tile="tile-size=32" | FileCheck %s
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// RUN: mlir-opt %s -split-input-file -affine-loop-tile="cache-size=512" | FileCheck %s --check-prefix=MODEL
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// RUN: mlir-opt %s -split-input-file -affine-loop-tile="tile-size=32 separate" | FileCheck %s --check-prefix=SEPARATE
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// -----
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// CHECK-DAG: [[$UB:#map[0-9]+]] = affine_map<(d0) -> (d0 + 32)>
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// CHECK-DAG: [[$UB_MIN:#map[0-9]+]] = affine_map<(d0) -> (d0 + 32, 50)>
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// CHECK-DAG: [[$ID:#map[0-9]+]] = affine_map<(d0) -> (d0)>
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// CHECK-DAG: [[$ID_PLUS_21:#map[0-9]+]] = affine_map<(d0) -> (d0 + 21)>
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// CHECK-LABEL: func @loop_tiling()
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// CHECK-NEXT: affine.for %{{.*}} = 0 to 256 step 32 {
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// CHECK-NEXT: affine.for %{{.*}} = 0 to 512 step 32 {
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// CHECK-NEXT: affine.for %{{.*}} = 0 to 1024 step 32 {
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// CHECK-NEXT: affine.for %[[I:.*]] = [[$ID]](%{{.*}}) to [[$UB]](%{{.*}}) {
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// CHECK-NEXT: affine.for %[[J:.*]] = [[$ID]](%{{.*}}) to [[$UB]](%{{.*}}) {
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// CHECK-NEXT: affine.for %[[K:.*]] = [[$ID]](%{{.*}}) to [[$UB]](%{{.*}}) {
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// CHECK-NEXT: "test.foo"(%[[I]], %[[J]], %[[K]])
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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: affine.for %{{.*}} = 0 to 50 step 32 {
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// CHECK-NEXT: affine.for %[[X:.*]] = [[$ID]](%{{.*}}) to min [[$UB_MIN]](%{{.*}}) {
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// CHECK-NEXT: "test.bar"(%[[X]], %[[X]])
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// CHECK-NEXT: }
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// CHECK-NEXT: }
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// CHECK-NEXT: affine.for %[[I:.*]] = 0 to 21 step 32 {
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// CHECK-NEXT: affine.for %[[Y:.*]] = [[$ID]](%[[I]]) to [[$ID_PLUS_21]](%[[I]]) {
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// CHECK-NEXT: "test.foobar"(%[[Y]])
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// CHECK-NEXT: }
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// CHECK-NEXT: }
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// CHECK-NEXT: return
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func @loop_tiling() {
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affine.for %i = 0 to 256 {
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affine.for %j = 0 to 512 {
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affine.for %k = 0 to 1024 {
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"test.foo"(%i, %j, %k) : (index, index, index) -> ()
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}
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}
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}
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affine.for %x = 0 to 50 {
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"test.bar"(%x, %x) : (index, index) -> ()
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}
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// Intra-tile loop won't need a min expression.
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affine.for %y = 0 to 21 {
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"test.foobar"(%y) : (index) -> ()
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}
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return
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}
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// -----
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// CHECK-DAG: [[$IDENTITY:#map[0-9]+]] = affine_map<(d0) -> (d0)>
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// CHECK-DAG: [[$LB:#map[0-9]+]] = affine_map<()[s0] -> (0, s0)>
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// CHECK-DAG: [[$UB:#map[0-9]+]] = affine_map<()[s0, s1] -> (s0, 4096 floordiv s1)>
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// CHECK-DAG: [[$UB_INTRA_TILE:#map[0-9]+]] = affine_map<(d0)[s0, s1] -> (d0 + 32, s0, 4096 floordiv s1)>
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#lb = affine_map<()[s0] -> (0, s0)>
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#ub = affine_map<()[s0, s1] -> (s0, 4096 floordiv s1)>
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// CHECK-LABEL: func @loop_max_min_bound(%{{.*}}: memref<?xi32>, %{{.*}}: index, %{{.*}}: index) {
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func @loop_max_min_bound(%A : memref<? x i32>, %L : index, %U : index) {
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%c0 = constant 0 : index
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%M = dim %A, %c0 : memref<? x i32>
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affine.for %i = max #lb()[%L] to min #ub()[%M, %U] {
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addi %i, %i : index
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}
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return
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// CHECK: affine.for %{{.*}} = max [[$LB]]()[%{{.*}}] to min [[$UB]]()[%{{.*}}, %{{.*}}] step 32 {
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// CHECK-NEXT: affine.for %[[I:.*]] = [[$IDENTITY]](%{{.*}}) to min [[$UB_INTRA_TILE]](%{{.*}})[%{{.*}}, %{{.*}}] {
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// CHECK-NEXT: addi %[[I]], %[[I]]
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// CHECK-NEXT: }
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// CHECK-NEXT: }
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}
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// -----
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// Cache size is set to 512 KiB. This loop nest accesses about 49 MiB, and the
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// tile sizes chosen would be 6 x 6 x 6. However, to avoid min/max, which is
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// possible here, they are adjusted to 4 x 4 x 5.
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// MODEL-LABEL: func @simple_matmul
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func @simple_matmul(%arg0: memref<256x256xvector<64xf32>>, %arg1: memref<256x256xvector<64xf32>>, %arg2: memref<256x256xvector<64xf32>>) -> memref<256x256xvector<64xf32>> {
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affine.for %i = 0 to 256 {
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affine.for %j = 0 to 256 {
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affine.for %k = 0 to 250 {
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%l = affine.load %arg0[%i, %k] : memref<256x256xvector<64xf32>>
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%r = affine.load %arg1[%k, %j] : memref<256x256xvector<64xf32>>
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%o = affine.load %arg2[%i, %j] : memref<256x256xvector<64xf32>>
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%m = mulf %l, %r : vector<64xf32>
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%a = addf %o, %m : vector<64xf32>
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affine.store %a, %arg2[%i, %j] : memref<256x256xvector<64xf32>>
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}
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}
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}
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return %arg2 : memref<256x256xvector<64xf32>>
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}
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// MODEL: affine.for %{{.*}} = 0 to 256 step 4 {
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// MODEL-NEXT: affine.for %{{.*}} = 0 to 256 step 4 {
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// MODEL-NEXT: affine.for %{{.*}} = 0 to 250 step 5 {
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// -----
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// CHECK-DAG: [[$UBMAP:#map[0-9]+]] = affine_map<(d0)[s0] -> (d0 + 32, s0)>
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func @tile_with_symbolic_loop_upper_bounds(%arg0: memref<?x?xf32>, %arg1: memref<?x?xf32>, %arg2: memref<?x?xf32>) {
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%cst = constant 0.000000e+00 : f32
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%c0 = constant 0 : index
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%0 = dim %arg0, %c0 : memref<?x?xf32>
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affine.for %i0 = 0 to %0 {
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affine.for %i1 = 0 to %0 {
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affine.store %cst, %arg2[%i0, %i1] : memref<?x?xf32>
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affine.for %i2 = 0 to %0 {
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%1 = affine.load %arg0[%i0, %i2] : memref<?x?xf32>
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%2 = affine.load %arg1[%i2, %i1] : memref<?x?xf32>
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%3 = mulf %1, %2 : f32
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%4 = affine.load %arg2[%i0, %i1] : memref<?x?xf32>
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%5 = addf %4, %3 : f32
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affine.store %5, %arg2[%i0, %i1] : memref<?x?xf32>
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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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// CHECK: dim %{{.*}}, %c0 : memref<?x?xf32>
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// CHECK-NEXT: affine.for %{{.*}} = 0 to %{{.*}} step 32 {
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// CHECK-NEXT: affine.for %{{.*}} = 0 to %{{.*}} step 32 {
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// CHECK-NEXT: affine.for %{{.*}} = #map0(%{{.*}}) to min [[$UBMAP]](%{{.*}})[%{{.*}}] {
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// CHECK-NEXT: affine.for %{{.*}} = #map0(%{{.*}}) to min [[$UBMAP]](%{{.*}})[%{{.*}}] {
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// CHECK-NEXT: affine.store %{{.*}}, %{{.*}}[%{{.*}}, %{{.*}}] : memref<?x?xf32>
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// CHECK-NEXT: affine.for %{{.*}} = 0 to %{{.*}} {
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// CHECK-NEXT: affine.load
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// CHECK-NEXT: affine.load
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// CHECK-NEXT: mulf
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// CHECK-NEXT: affine.load
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// CHECK-NEXT: addf
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// CHECK-NEXT: affine.store
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// CHECK-NEXT: }
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// CHECK-NEXT: }
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// CHECK-NEXT: }
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// CHECK-NEXT: }
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// CHECK-NEXT: }
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// CHECK-NEXT: return
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// -----
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// CHECK-DAG: [[MAP0:#map[0-9]+]] = affine_map<(d0) -> (d0)>
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// CHECK-DAG: [[MAP1:#map[0-9]+]] = affine_map<()[s0, s1] -> (s0 + s1)>
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// CHECK-DAG: [[$UBMAP:#map[0-9]+]] = affine_map<(d0)[s0, s1] -> (d0 + 32, s0 + s1)>
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func @tile_with_loop_upper_bounds_in_two_symbols(%arg0: memref<?xf32>, %limit: index) {
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%c0 = constant 0 : index
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%dim0 = dim %arg0, %c0 : memref<?xf32>
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affine.for %i0 = 0 to affine_map<()[s0, s1] -> (s0 + s1)> ()[%dim0, %limit] {
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%v0 = affine.load %arg0[%i0] : memref<?xf32>
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}
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return
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}
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// CHECK: dim %{{.*}}, %c0 : memref<?xf32>
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// CHECK-NEXT: affine.for %{{.*}} = 0 to [[MAP1]]()[%{{.*}}, %{{.*}}] step 32 {
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// CHECK-NEXT: affine.for %{{.*}} = [[MAP0]](%{{.*}}) to min [[$UBMAP]](%{{.*}})[%{{.*}}, %{{.*}}] {
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// CHECK-NEXT: affine.load
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// CHECK-NEXT: }
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// CHECK-NEXT: }
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// -----
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func @tile_size_larger_than_trip_count_symbolic_bound(%M: index, %N : index) {
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affine.for %i = affine_map<(d0) -> (d0)>(%M) to affine_map<(d0) -> (d0 + 2)>(%M) {
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affine.for %j = affine_map<(d0) -> (d0)>(%N) to affine_map<(d0) -> (d0 + 4)>(%N) {
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"test.foo" () : () -> ()
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}
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}
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return
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}
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// CHECK-DAG: #[[$ID:.*]] = affine_map<(d0) -> (d0)>
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// CHECK-DAG: #[[$ID_PLUS_2:.*]] = affine_map<(d0) -> (d0 + 2)>
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// CHECK-DAG: #[[$ID_PLUS_4:.*]] = affine_map<(d0) -> (d0 + 4)>
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// CHECK: %[[M:.*]]: index, %[[N:.*]]: index
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// CHECK: affine.for %[[I:.*]] = #[[$ID]](%[[M]]) to #[[$ID_PLUS_2]](%[[M]]) step 32
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// CHECK-NEXT: affine.for %[[J:.*]] = #[[$ID]](%[[N]]) to #[[$ID_PLUS_4]](%[[N]]) step 32
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// CHECK-NEXT: affine.for %arg4 = #[[$ID]](%[[I]]) to #[[$ID_PLUS_2]](%[[I]])
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// CHECK-NEXT: affine.for %arg5 = #[[$ID]](%[[J]]) to #[[$ID_PLUS_4]](%[[J]])
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// CHECK-NEXT: "test.foo"
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// -----
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// CHECK-LABEL: func @trip_count_one
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// SEPARATE-LABEL: func @trip_count_one
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func @trip_count_one(%arg0: memref<196608x1xf32>, %arg1: memref<196608x1xf32>)
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-> memref<196608x1xf32> {
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affine.for %i1 = 0 to 196608 {
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affine.for %i3 = 0 to 1 {
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%4 = affine.load %arg0[%i1, %i3] : memref<196608x1xf32>
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affine.store %4, %arg1[%i1, %i3] : memref<196608x1xf32>
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}
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}
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// CHECK: affine.load %{{.*}}[%{{.*}}, %{{.*}}] : memref<196608x1xf32>
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return %arg1 : memref<196608x1xf32>
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}
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// To make sure SEPARATE-DAGs further below do not match with something above.
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// SEPARATE: return
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// -----
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func @separate_full_tile_2d(%M : index, %N : index) {
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affine.for %i = 0 to %M {
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affine.for %j = 0 to %N {
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"test.foo"() : () -> ()
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}
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}
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return
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}
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// SEPARATE-DAG: #[[$SEP_COND:.*]] = affine_set<(d0, d1)[s0, s1] : (-d0 + s0 - 32 >= 0, -d1 + s1 - 32 >= 0)>
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// SEPARATE-DAG: #[[$LB:.*]] = affine_map<(d0) -> (d0)>
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// SEPARATE-DAG: #[[$FULL_TILE_UB:.*]] = affine_map<(d0) -> (d0 + 32)>
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// SEPARATE-DAG: #[[$PART_TILE_UB:.*]] = affine_map<(d0)[s0] -> (d0 + 32, s0)>
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// SEPARATE-LABEL: func @separate_full_tile_2d(
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// SEPARATE: %[[M:.*]]: index, %[[N:.*]]: index
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// SEPARATE: affine.for %[[I:.*]] =
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// SEPARATE-NEXT: affine.for %[[J:.*]] =
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// SEPARATE-NEXT: affine.if #[[$SEP_COND]](%arg2, %arg3)[%arg0, %arg1] {
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// SEPARATE-NEXT: affine.for %{{.*}} = #[[$LB]](%[[I]]) to #[[$FULL_TILE_UB]](%[[I]]) {
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// SEPARATE-NEXT: affine.for %{{.*}} = #[[$LB]](%[[J]]) to #[[$FULL_TILE_UB]](%[[J]]) {
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// SEPARATE-NEXT: "test.foo"
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// SEPARATE-NEXT: }
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// SEPARATE-NEXT: }
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// SEPARATE-NEXT: } else {
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// SEPARATE-NEXT: affine.for %{{.*}} = #[[$LB]](%[[I]]) to min #[[$PART_TILE_UB]](%[[I]])[%[[M]]] {
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// SEPARATE-NEXT: affine.for %{{.*}} = #[[$LB]](%[[J]]) to min #[[$PART_TILE_UB]](%[[J]])[%[[N]]] {
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// SEPARATE-NEXT: "test.foo"
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// SEPARATE-NEXT: }
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// SEPARATE-NEXT: }
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// SEPARATE-NEXT: }
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// SEPARATE-NEXT: }
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// SEPARATE-NEXT: }
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// SEPARATE-NEXT: return
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// -----
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func @separate_full_tile_1d_max_min(%M : index, %N : index, %P : index, %Q : index) {
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affine.for %i0 = max affine_map<(d0, d1) -> (d0, d1)> (%M, %N) to min affine_map< (d0, d1) -> (d0, d1)> (%P, %Q) {
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}
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return
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}
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// SEPARATE-DAG: #[[$SEP_COND:.*]] = affine_set<(d0)[s0, s1] : (-d0 + s0 - 32 >= 0, -d0 + s1 - 32 >= 0)>
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// SEPARATE-DAG: #[[TILE_LB:.*]] = affine_map<(d0) -> (d0)>
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// SEPARATE-DAG: #[[$FULL_TILE_UB:.*]] = affine_map<(d0) -> (d0 + 32)>
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// SEPARATE-DAG: #[[PARTIAL_TILE_UB:.*]] = affine_map<(d0, d1, d2) -> (d2 + 32, d0, d1)>
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// SEPARATE: affine.for %arg4
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// SEPARATE-NEXT: affine.if #[[$SEP_COND]](%arg4)[%arg2, %arg3] {
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// SEPARATE-NEXT: affine.for %arg5 = #[[TILE_LB]](%arg4) to #[[$FULL_TILE_UB]](%arg4) {
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// SEPARATE-NEXT: }
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// SEPARATE-NEXT: } else {
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// SEPARATE-NEXT: affine.for %arg5 = #[[TILE_LB]](%arg4) to min #[[PARTIAL_TILE_UB]](%arg2, %arg3, %arg4) {
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// SEPARATE-NEXT: }
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// SEPARATE-NEXT: }
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// SEPARATE-NEXT: }
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