forked from OSchip/llvm-project
529 lines
21 KiB
MLIR
529 lines
21 KiB
MLIR
// RUN: mlir-opt %s -split-input-file -pass-pipeline='func(canonicalize)' | FileCheck %s
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// Affine maps for test case: compose_affine_maps_1dto2d_no_symbols
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// CHECK-DAG: [[MAP0:#map[0-9]+]] = affine_map<(d0) -> (d0 - 1)>
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// CHECK-DAG: [[MAP1:#map[0-9]+]] = affine_map<(d0) -> (d0 + 1)>
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// Affine maps for test case: compose_affine_maps_1dto2d_with_symbols
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// CHECK-DAG: [[MAP4:#map[0-9]+]] = affine_map<(d0) -> (d0 - 4)>
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// CHECK-DAG: [[MAP4b:#map[0-9]+]] = affine_map<(d0) -> (d0 - 7)>
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// CHECK-DAG: [[MAP7:#map[0-9]+]] = affine_map<(d0) -> (d0 * 2 - 3)>
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// CHECK-DAG: [[MAP7a:#map[0-9]+]] = affine_map<(d0) -> (d0 * 2 + 1)>
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// Affine map for test case: compose_affine_maps_d2_tile
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// CHECK-DAG: [[MAP8:#map[0-9]+]] = affine_map<(d0, d1) -> (d1 + (d0 ceildiv 4) * 4 - (d1 floordiv 4) * 4)>
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// CHECK-DAG: [[MAP8a:#map[0-9]+]] = affine_map<(d0, d1) -> (d1 + (d0 ceildiv 8) * 8 - (d1 floordiv 8) * 8)>
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// Affine maps for test case: compose_affine_maps_dependent_loads
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// CHECK-DAG: [[MAP9:#map[0-9]+]] = affine_map<(d0) -> (d0 + 3)>
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// CHECK-DAG: [[MAP10:#map[0-9]+]] = affine_map<(d0) -> (d0 * 3)>
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// CHECK-DAG: [[MAP11:#map[0-9]+]] = affine_map<(d0) -> ((d0 + 7) ceildiv 3)>
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// CHECK-DAG: [[MAP12:#map[0-9]+]] = affine_map<(d0) -> (d0 * 7 - 49)>
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// Affine maps for test case: compose_affine_maps_diamond_dependency
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// CHECK-DAG: [[MAP13A:#map[0-9]+]] = affine_map<(d0) -> ((d0 + 6) ceildiv 8)>
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// CHECK-DAG: [[MAP13B:#map[0-9]+]] = affine_map<(d0) -> ((d0 * 4 - 4) floordiv 3)>
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// Affine maps for test case: partial_fold_map
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// CHECK-DAG: [[MAP15:#map[0-9]+]] = affine_map<()[s0] -> (s0 - 42)>
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// Affine maps for test cases: symbolic_composition_*
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// CHECK-DAG: [[map_symbolic_composition_a:#map[0-9]+]] = affine_map<()[s0] -> (s0 * 512)>
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// CHECK-DAG: [[map_symbolic_composition_b:#map[0-9]+]] = affine_map<()[s0] -> (s0 * 4)>
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// CHECK-DAG: [[map_symbolic_composition_c:#map[0-9]+]] = affine_map<()[s0, s1] -> (s0 * 3 + s1)>
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// CHECK-DAG: [[map_symbolic_composition_d:#map[0-9]+]] = affine_map<()[s0, s1] -> (s1 * 3 + s0)>
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// Affine maps for test cases: map_mix_dims_and_symbols_*
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// CHECK-DAG: [[map_mix_dims_and_symbols_b:#map[0-9]+]] = affine_map<()[s0, s1] -> (s1 + s0 * 42 + 6)>
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// CHECK-DAG: [[map_mix_dims_and_symbols_c:#map[0-9]+]] = affine_map<()[s0, s1] -> (s1 * 4 + s0 * 168 - 4)>
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// CHECK-DAG: [[map_mix_dims_and_symbols_d:#map[0-9]+]] = affine_map<()[s0, s1] -> ((s1 + s0 * 42 + 6) ceildiv 8)>
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// CHECK-DAG: [[map_mix_dims_and_symbols_e:#map[0-9]+]] = affine_map<()[s0, s1] -> ((s1 * 4 + s0 * 168 - 4) floordiv 3)>
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// Affine maps for test case: symbolic_semi_affine
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// CHECK-DAG: [[symbolic_semi_affine:#map[0-9]+]] = affine_map<(d0)[s0] -> (d0 floordiv (s0 + 1))>
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// CHECK-LABEL: func @compose_affine_maps_1dto2d_no_symbols() {
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func @compose_affine_maps_1dto2d_no_symbols() {
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%0 = alloc() : memref<4x4xf32>
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affine.for %i0 = 0 to 15 {
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// Test load[%x, %x]
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%x0 = affine.apply affine_map<(d0) -> (d0 - 1)> (%i0)
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%x1_0 = affine.apply affine_map<(d0, d1) -> (d0)> (%x0, %x0)
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%x1_1 = affine.apply affine_map<(d0, d1) -> (d1)> (%x0, %x0)
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// CHECK: [[I0A:%[0-9]+]] = affine.apply [[MAP0]](%{{.*}})
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// CHECK-NEXT: load %0{{\[}}[[I0A]], [[I0A]]{{\]}}
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%v0 = load %0[%x1_0, %x1_1] : memref<4x4xf32>
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// Test load[%y, %y]
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%y0 = affine.apply affine_map<(d0) -> (d0 + 1)> (%i0)
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%y1_0 = affine.apply affine_map<(d0, d1) -> (d0)> (%y0, %y0)
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%y1_1 = affine.apply affine_map<(d0, d1) -> (d1)> (%y0, %y0)
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// CHECK-NEXT: [[I1A:%[0-9]+]] = affine.apply [[MAP1]](%{{.*}})
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// CHECK-NEXT: load %0{{\[}}[[I1A]], [[I1A]]{{\]}}
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%v1 = load %0[%y1_0, %y1_1] : memref<4x4xf32>
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// Test load[%x, %y]
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%xy_0 = affine.apply affine_map<(d0, d1) -> (d0)> (%x0, %y0)
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%xy_1 = affine.apply affine_map<(d0, d1) -> (d1)> (%x0, %y0)
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// CHECK-NEXT: load %0{{\[}}[[I0A]], [[I1A]]{{\]}}
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%v2 = load %0[%xy_0, %xy_1] : memref<4x4xf32>
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// Test load[%y, %x]
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%yx_0 = affine.apply affine_map<(d0, d1) -> (d0)> (%y0, %x0)
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%yx_1 = affine.apply affine_map<(d0, d1) -> (d1)> (%y0, %x0)
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// CHECK-NEXT: load %0{{\[}}[[I1A]], [[I0A]]{{\]}}
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%v3 = load %0[%yx_0, %yx_1] : memref<4x4xf32>
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}
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return
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}
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// CHECK-LABEL: func @compose_affine_maps_1dto2d_with_symbols() {
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func @compose_affine_maps_1dto2d_with_symbols() {
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%0 = alloc() : memref<4x4xf32>
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affine.for %i0 = 0 to 15 {
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// Test load[%x0, %x0] with symbol %c4
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%c4 = constant 4 : index
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%x0 = affine.apply affine_map<(d0)[s0] -> (d0 - s0)> (%i0)[%c4]
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// CHECK: [[I0:%[0-9]+]] = affine.apply [[MAP4]](%{{.*}})
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// CHECK-NEXT: load %{{[0-9]+}}{{\[}}[[I0]], [[I0]]{{\]}}
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%v0 = load %0[%x0, %x0] : memref<4x4xf32>
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// Test load[%x0, %x1] with symbol %c4 captured by '%x0' map.
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%x1 = affine.apply affine_map<(d0) -> (d0 + 1)> (%i0)
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%y1 = affine.apply affine_map<(d0, d1) -> (d0+d1)> (%x0, %x1)
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// CHECK-NEXT: [[I1:%[0-9]+]] = affine.apply [[MAP7]](%{{.*}})
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// CHECK-NEXT: load %{{[0-9]+}}{{\[}}[[I1]], [[I1]]{{\]}}
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%v1 = load %0[%y1, %y1] : memref<4x4xf32>
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// Test load[%x1, %x0] with symbol %c4 captured by '%x0' map.
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%y2 = affine.apply affine_map<(d0, d1) -> (d0 + d1)> (%x1, %x0)
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// CHECK-NEXT: [[I2:%[0-9]+]] = affine.apply [[MAP7]](%{{.*}})
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// CHECK-NEXT: load %{{[0-9]+}}{{\[}}[[I2]], [[I2]]{{\]}}
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%v2 = load %0[%y2, %y2] : memref<4x4xf32>
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// Test load[%x2, %x0] with symbol %c4 from '%x0' and %c5 from '%x2'
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%c5 = constant 5 : index
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%x2 = affine.apply affine_map<(d0)[s0] -> (d0 + s0)> (%i0)[%c5]
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%y3 = affine.apply affine_map<(d0, d1) -> (d0 + d1)> (%x2, %x0)
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// CHECK: [[I3:%[0-9]+]] = affine.apply [[MAP7a]](%{{.*}})
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// CHECK-NEXT: load %{{[0-9]+}}{{\[}}[[I3]], [[I3]]{{\]}}
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%v3 = load %0[%y3, %y3] : memref<4x4xf32>
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}
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return
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}
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// CHECK-LABEL: func @compose_affine_maps_2d_tile() {
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func @compose_affine_maps_2d_tile() {
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%0 = alloc() : memref<16x32xf32>
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%1 = alloc() : memref<16x32xf32>
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%c4 = constant 4 : index
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%c8 = constant 8 : index
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affine.for %i0 = 0 to 3 {
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%x0 = affine.apply affine_map<(d0)[s0] -> (d0 ceildiv s0)> (%i0)[%c4]
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affine.for %i1 = 0 to 3 {
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%x1 = affine.apply affine_map<(d0)[s0] -> (d0 ceildiv s0)> (%i1)[%c8]
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affine.for %i2 = 0 to 3 {
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%x2 = affine.apply affine_map<(d0)[s0] -> (d0 mod s0)> (%i2)[%c4]
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affine.for %i3 = 0 to 3 {
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%x3 = affine.apply affine_map<(d0)[s0] -> (d0 mod s0)> (%i3)[%c8]
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%x40 = affine.apply affine_map<(d0, d1, d2, d3)[s0, s1] ->
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((d0 * s0) + d2)> (%x0, %x1, %x2, %x3)[%c4, %c8]
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%x41 = affine.apply affine_map<(d0, d1, d2, d3)[s0, s1] ->
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((d1 * s1) + d3)> (%x0, %x1, %x2, %x3)[%c4, %c8]
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// CHECK: [[I0:%[0-9]+]] = affine.apply [[MAP8]](%{{.*}}, %{{.*}})
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// CHECK: [[I1:%[0-9]+]] = affine.apply [[MAP8a]](%{{.*}}, %{{.*}})
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// CHECK-NEXT: [[L0:%[0-9]+]] = load %{{[0-9]+}}{{\[}}[[I0]], [[I1]]{{\]}}
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%v0 = load %0[%x40, %x41] : memref<16x32xf32>
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// CHECK-NEXT: store [[L0]], %{{[0-9]+}}{{\[}}[[I0]], [[I1]]{{\]}}
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store %v0, %1[%x40, %x41] : memref<16x32xf32>
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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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// CHECK-LABEL: func @compose_affine_maps_dependent_loads() {
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func @compose_affine_maps_dependent_loads() {
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%0 = alloc() : memref<16x32xf32>
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%1 = alloc() : memref<16x32xf32>
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affine.for %i0 = 0 to 3 {
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affine.for %i1 = 0 to 3 {
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affine.for %i2 = 0 to 3 {
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%c3 = constant 3 : index
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%c7 = constant 7 : index
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%x00 = affine.apply affine_map<(d0, d1, d2)[s0, s1] -> (d0 + s0)>
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(%i0, %i1, %i2)[%c3, %c7]
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%x01 = affine.apply affine_map<(d0, d1, d2)[s0, s1] -> (d1 - s1)>
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(%i0, %i1, %i2)[%c3, %c7]
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%x02 = affine.apply affine_map<(d0, d1, d2)[s0, s1] -> (d2 * s0)>
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(%i0, %i1, %i2)[%c3, %c7]
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// CHECK: [[I0:%[0-9]+]] = affine.apply [[MAP9]](%{{.*}})
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// CHECK: [[I1:%[0-9]+]] = affine.apply [[MAP4b]](%{{.*}})
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// CHECK: [[I2:%[0-9]+]] = affine.apply [[MAP10]](%{{.*}})
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// CHECK-NEXT: load %{{[0-9]+}}{{\[}}[[I0]], [[I1]]{{\]}}
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%v0 = load %0[%x00, %x01] : memref<16x32xf32>
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// CHECK-NEXT: load %{{[0-9]+}}{{\[}}[[I0]], [[I2]]{{\]}}
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%v1 = load %0[%x00, %x02] : memref<16x32xf32>
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// Swizzle %i0, %i1
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// CHECK-NEXT: load %{{[0-9]+}}{{\[}}[[I1]], [[I0]]{{\]}}
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%v2 = load %0[%x01, %x00] : memref<16x32xf32>
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// Swizzle %x00, %x01 and %c3, %c7
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%x10 = affine.apply affine_map<(d0, d1)[s0, s1] -> (d0 * s1)>
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(%x01, %x00)[%c7, %c3]
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%x11 = affine.apply affine_map<(d0, d1)[s0, s1] -> (d1 ceildiv s0)>
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(%x01, %x00)[%c7, %c3]
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// CHECK-NEXT: [[I2A:%[0-9]+]] = affine.apply [[MAP12]](%{{.*}})
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// CHECK-NEXT: [[I2B:%[0-9]+]] = affine.apply [[MAP11]](%{{.*}})
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// CHECK-NEXT: load %{{[0-9]+}}{{\[}}[[I2A]], [[I2B]]{{\]}}
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%v3 = load %0[%x10, %x11] : memref<16x32xf32>
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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-LABEL: func @compose_affine_maps_diamond_dependency() {
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func @compose_affine_maps_diamond_dependency() {
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%0 = alloc() : memref<4x4xf32>
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affine.for %i0 = 0 to 15 {
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%a = affine.apply affine_map<(d0) -> (d0 - 1)> (%i0)
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%b = affine.apply affine_map<(d0) -> (d0 + 7)> (%a)
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%c = affine.apply affine_map<(d0) -> (d0 * 4)> (%a)
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%d0 = affine.apply affine_map<(d0, d1) -> (d0 ceildiv 8)> (%b, %c)
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%d1 = affine.apply affine_map<(d0, d1) -> (d1 floordiv 3)> (%b, %c)
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// CHECK: [[I0:%[0-9]+]] = affine.apply [[MAP13A]](%{{.*}})
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// CHECK: [[I1:%[0-9]+]] = affine.apply [[MAP13B]](%{{.*}})
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// CHECK-NEXT: load %{{[0-9]+}}{{\[}}[[I0]], [[I1]]{{\]}}
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%v = load %0[%d0, %d1] : memref<4x4xf32>
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}
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return
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}
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// CHECK-LABEL: func @arg_used_as_dim_and_symbol
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func @arg_used_as_dim_and_symbol(%arg0: memref<100x100xf32>, %arg1: index) {
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%c9 = constant 9 : index
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%1 = alloc() : memref<100x100xf32, 1>
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%2 = alloc() : memref<1xi32>
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affine.for %i0 = 0 to 100 {
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affine.for %i1 = 0 to 100 {
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%3 = affine.apply affine_map<(d0, d1)[s0, s1] -> (d1 + s0 + s1)>
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(%i0, %i1)[%arg1, %c9]
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%4 = affine.apply affine_map<(d0, d1, d3) -> (d3 - (d0 + d1))>
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(%arg1, %c9, %3)
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// CHECK: load %{{[0-9]+}}{{\[}}%{{.*}}, %{{.*}}{{\]}}
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%5 = load %1[%4, %arg1] : memref<100x100xf32, 1>
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}
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}
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return
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}
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// CHECK-LABEL: func @trivial_maps
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func @trivial_maps() {
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// CHECK-NOT: affine.apply
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%0 = alloc() : memref<10xf32>
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%c0 = constant 0 : index
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%cst = constant 0.000000e+00 : f32
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affine.for %i1 = 0 to 10 {
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%1 = affine.apply affine_map<()[s0] -> (s0)>()[%c0]
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store %cst, %0[%1] : memref<10xf32>
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%2 = load %0[%c0] : memref<10xf32>
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%3 = affine.apply affine_map<()[] -> (0)>()[]
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store %cst, %0[%3] : memref<10xf32>
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%4 = load %0[%c0] : memref<10xf32>
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}
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return
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}
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// CHECK-LABEL: func @partial_fold_map
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func @partial_fold_map(%arg1: index, %arg2: index) -> index {
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// TODO: Constant fold one index into affine.apply
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%c42 = constant 42 : index
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%2 = affine.apply affine_map<(d0, d1) -> (d0 - d1)> (%arg1, %c42)
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// CHECK: [[X:%[0-9]+]] = affine.apply [[MAP15]]()[%{{.*}}]
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return %2 : index
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}
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// CHECK-LABEL: func @symbolic_composition_a(%{{.*}}: index, %{{.*}}: index) -> index {
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func @symbolic_composition_a(%arg0: index, %arg1: index) -> index {
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%0 = affine.apply affine_map<(d0) -> (d0 * 4)>(%arg0)
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%1 = affine.apply affine_map<()[s0, s1] -> (8 * s0)>()[%0, %arg0]
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%2 = affine.apply affine_map<()[s0, s1] -> (16 * s1)>()[%arg1, %1]
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// CHECK: %{{.*}} = affine.apply [[map_symbolic_composition_a]]()[%{{.*}}]
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return %2 : index
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}
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// CHECK-LABEL: func @symbolic_composition_b(%arg0: index, %arg1: index, %arg2: index, %arg3: index) -> index {
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func @symbolic_composition_b(%arg0: index, %arg1: index, %arg2: index, %arg3: index) -> index {
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%0 = affine.apply affine_map<(d0) -> (d0)>(%arg0)
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%1 = affine.apply affine_map<()[s0, s1, s2, s3] -> (s0 + s1 + s2 + s3)>()[%0, %0, %0, %0]
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// CHECK: %{{.*}} = affine.apply [[map_symbolic_composition_b]]()[%{{.*}}]
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return %1 : index
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}
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// CHECK-LABEL: func @symbolic_composition_c(%arg0: index, %arg1: index, %arg2: index, %arg3: index) -> index {
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func @symbolic_composition_c(%arg0: index, %arg1: index, %arg2: index, %arg3: index) -> index {
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%0 = affine.apply affine_map<(d0) -> (d0)>(%arg0)
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%1 = affine.apply affine_map<(d0) -> (d0)>(%arg1)
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%2 = affine.apply affine_map<()[s0, s1, s2, s3] -> (s0 + s1 + s2 + s3)>()[%0, %0, %0, %1]
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// CHECK: %{{.*}} = affine.apply [[map_symbolic_composition_c]]()[%{{.*}}, %{{.*}}]
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return %2 : index
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}
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// CHECK-LABEL: func @symbolic_composition_d(%arg0: index, %arg1: index, %arg2: index, %arg3: index) -> index {
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func @symbolic_composition_d(%arg0: index, %arg1: index, %arg2: index, %arg3: index) -> index {
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%0 = affine.apply affine_map<(d0) -> (d0)>(%arg0)
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%1 = affine.apply affine_map<()[s0] -> (s0)>()[%arg1]
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%2 = affine.apply affine_map<()[s0, s1, s2, s3] -> (s0 + s1 + s2 + s3)>()[%0, %0, %0, %1]
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// CHECK: %{{.*}} = affine.apply [[map_symbolic_composition_d]]()[%{{.*}}, %{{.*}}]
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return %2 : index
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}
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// CHECK-LABEL: func @mix_dims_and_symbols_b(%arg0: index, %arg1: index) -> index {
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func @mix_dims_and_symbols_b(%arg0: index, %arg1: index) -> index {
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%a = affine.apply affine_map<(d0)[s0] -> (d0 - 1 + 42 * s0)> (%arg0)[%arg1]
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%b = affine.apply affine_map<(d0) -> (d0 + 7)> (%a)
|
|
// CHECK: {{.*}} = affine.apply [[map_mix_dims_and_symbols_b]]()[%{{.*}}, %{{.*}}]
|
|
|
|
return %b : index
|
|
}
|
|
|
|
// CHECK-LABEL: func @mix_dims_and_symbols_c(%arg0: index, %arg1: index) -> index {
|
|
func @mix_dims_and_symbols_c(%arg0: index, %arg1: index) -> index {
|
|
%a = affine.apply affine_map<(d0)[s0] -> (d0 - 1 + 42 * s0)> (%arg0)[%arg1]
|
|
%b = affine.apply affine_map<(d0) -> (d0 + 7)> (%a)
|
|
%c = affine.apply affine_map<(d0) -> (d0 * 4)> (%a)
|
|
// CHECK: {{.*}} = affine.apply [[map_mix_dims_and_symbols_c]]()[%{{.*}}, %{{.*}}]
|
|
return %c : index
|
|
}
|
|
|
|
// CHECK-LABEL: func @mix_dims_and_symbols_d(%arg0: index, %arg1: index) -> index {
|
|
func @mix_dims_and_symbols_d(%arg0: index, %arg1: index) -> index {
|
|
%a = affine.apply affine_map<(d0)[s0] -> (d0 - 1 + 42 * s0)> (%arg0)[%arg1]
|
|
%b = affine.apply affine_map<(d0) -> (d0 + 7)> (%a)
|
|
%c = affine.apply affine_map<(d0) -> (d0 * 4)> (%a)
|
|
%d = affine.apply affine_map<()[s0] -> (s0 ceildiv 8)> ()[%b]
|
|
// CHECK: {{.*}} = affine.apply [[map_mix_dims_and_symbols_d]]()[%{{.*}}, %{{.*}}]
|
|
return %d : index
|
|
}
|
|
|
|
// CHECK-LABEL: func @mix_dims_and_symbols_e(%arg0: index, %arg1: index) -> index {
|
|
func @mix_dims_and_symbols_e(%arg0: index, %arg1: index) -> index {
|
|
%a = affine.apply affine_map<(d0)[s0] -> (d0 - 1 + 42 * s0)> (%arg0)[%arg1]
|
|
%b = affine.apply affine_map<(d0) -> (d0 + 7)> (%a)
|
|
%c = affine.apply affine_map<(d0) -> (d0 * 4)> (%a)
|
|
%d = affine.apply affine_map<()[s0] -> (s0 ceildiv 8)> ()[%b]
|
|
%e = affine.apply affine_map<(d0) -> (d0 floordiv 3)> (%c)
|
|
// CHECK: {{.*}} = affine.apply [[map_mix_dims_and_symbols_e]]()[%{{.*}}, %{{.*}}]
|
|
return %e : index
|
|
}
|
|
|
|
// CHECK-LABEL: func @mix_dims_and_symbols_f(%arg0: index, %arg1: index) -> index {
|
|
func @mix_dims_and_symbols_f(%arg0: index, %arg1: index) -> index {
|
|
%a = affine.apply affine_map<(d0)[s0] -> (d0 - 1 + 42 * s0)> (%arg0)[%arg1]
|
|
%b = affine.apply affine_map<(d0) -> (d0 + 7)> (%a)
|
|
%c = affine.apply affine_map<(d0) -> (d0 * 4)> (%a)
|
|
%d = affine.apply affine_map<()[s0] -> (s0 ceildiv 8)> ()[%b]
|
|
%e = affine.apply affine_map<(d0) -> (d0 floordiv 3)> (%c)
|
|
%f = affine.apply affine_map<(d0, d1)[s0, s1] -> (d0 - s1 + d1 - s0)> (%d, %e)[%e, %d]
|
|
// CHECK: {{.*}} = constant 0 : index
|
|
|
|
return %f : index
|
|
}
|
|
|
|
// CHECK-LABEL: func @mix_dims_and_symbols_g(%arg0: index, %arg1: index) -> (index, index, index) {
|
|
func @mix_dims_and_symbols_g(%M: index, %N: index) -> (index, index, index) {
|
|
%K = affine.apply affine_map<(d0) -> (4*d0)> (%M)
|
|
%res1 = affine.apply affine_map<()[s0, s1] -> (4 * s0)>()[%N, %K]
|
|
%res2 = affine.apply affine_map<()[s0, s1] -> (s1)>()[%N, %K]
|
|
%res3 = affine.apply affine_map<()[s0, s1] -> (1024)>()[%N, %K]
|
|
// CHECK-DAG: {{.*}} = constant 1024 : index
|
|
// CHECK-DAG: {{.*}} = affine.apply [[map_symbolic_composition_b]]()[%{{.*}}]
|
|
// CHECK-DAG: {{.*}} = affine.apply [[map_symbolic_composition_b]]()[%{{.*}}]
|
|
return %res1, %res2, %res3 : index, index, index
|
|
}
|
|
|
|
// CHECK-LABEL: func @symbolic_semi_affine(%arg0: index, %arg1: index, %arg2: memref<?xf32>) {
|
|
func @symbolic_semi_affine(%M: index, %N: index, %A: memref<?xf32>) {
|
|
%f1 = constant 1.0 : f32
|
|
affine.for %i0 = 1 to 100 {
|
|
%1 = affine.apply affine_map<()[s0] -> (s0 + 1)> ()[%M]
|
|
%2 = affine.apply affine_map<(d0)[s0] -> (d0 floordiv s0)> (%i0)[%1]
|
|
// CHECK-DAG: {{.*}} = affine.apply [[symbolic_semi_affine]](%{{.*}})[%{{.*}}]
|
|
store %f1, %A[%2] : memref<?xf32>
|
|
}
|
|
return
|
|
}
|
|
|
|
// -----
|
|
|
|
// CHECK: [[MAP0:#map[0-9]+]] = affine_map<()[s0] -> (0, s0)>
|
|
// CHECK: [[MAP1:#map[0-9]+]] = affine_map<()[s0] -> (100, s0)>
|
|
|
|
// CHECK-LABEL: func @constant_fold_bounds(%arg0: index) {
|
|
func @constant_fold_bounds(%N : index) {
|
|
// CHECK: constant 3 : index
|
|
// CHECK-NEXT: "foo"() : () -> index
|
|
%c9 = constant 9 : index
|
|
%c1 = constant 1 : index
|
|
%c2 = constant 2 : index
|
|
%c3 = affine.apply affine_map<(d0, d1) -> (d0 + d1)> (%c1, %c2)
|
|
%l = "foo"() : () -> index
|
|
|
|
// CHECK: affine.for %{{.*}} = 5 to 7 {
|
|
affine.for %i = max affine_map<(d0, d1) -> (0, d0 + d1)> (%c2, %c3) to min affine_map<(d0, d1) -> (d0 - 2, 32*d1)> (%c9, %c1) {
|
|
"foo"(%i, %c3) : (index, index) -> ()
|
|
}
|
|
|
|
// Bound takes a non-constant argument but can still be folded.
|
|
// CHECK: affine.for %{{.*}} = 1 to 7 {
|
|
affine.for %j = max affine_map<(d0) -> (0, 1)> (%N) to min affine_map<(d0, d1) -> (7, 9)> (%N, %l) {
|
|
"foo"(%j, %c3) : (index, index) -> ()
|
|
}
|
|
|
|
// None of the bounds can be folded.
|
|
// CHECK: affine.for %{{.*}} = max [[MAP0]]()[%{{.*}}] to min [[MAP1]]()[%{{.*}}] {
|
|
affine.for %k = max affine_map<()[s0] -> (0, s0)> ()[%l] to min affine_map<()[s0] -> (100, s0)> ()[%N] {
|
|
"foo"(%k, %c3) : (index, index) -> ()
|
|
}
|
|
return
|
|
}
|
|
|
|
// -----
|
|
|
|
// CHECK-LABEL: func @fold_empty_loop() {
|
|
func @fold_empty_loop() {
|
|
// CHECK-NOT: affine.for
|
|
affine.for %i = 0 to 10 {
|
|
}
|
|
return
|
|
}
|
|
// CHECK: return
|
|
|
|
// -----
|
|
|
|
// CHECK-DAG: [[SET:#set[0-9]+]] = affine_set<(d0, d1)[s0] : (d0 >= 0, -d0 + 1022 >= 0, d1 >= 0, -d1 + s0 - 2 >= 0)>
|
|
|
|
// CHECK-LABEL: func @canonicalize_affine_if
|
|
// CHECK-SAME: [[M:%.*]]: index,
|
|
// CHECK-SAME: [[N:%.*]]: index)
|
|
func @canonicalize_affine_if(%M : index, %N : index) {
|
|
%c1022 = constant 1022 : index
|
|
// Drop unused operand %M, propagate %c1022, and promote %N to symbolic.
|
|
affine.for %i = 0 to 1024 {
|
|
affine.for %j = 0 to %N {
|
|
// CHECK: affine.if [[SET]](%{{.*}}, %{{.*}}){{\[}}[[N]]{{\]}}
|
|
affine.if affine_set<(d0, d1, d2, d3)[s0] : (d1 >= 0, d0 - d1 >= 0, d2 >= 0, d3 - d2 - 2 >= 0)> (%c1022, %i, %j, %N)[%M] {
|
|
"foo"() : () -> ()
|
|
}
|
|
"bar"() : () -> ()
|
|
}
|
|
}
|
|
return
|
|
}
|
|
|
|
// -----
|
|
|
|
// CHECK-DAG: [[LBMAP:#map[0-9]+]] = affine_map<()[s0] -> (0, s0)>
|
|
// CHECK-DAG: [[UBMAP:#map[0-9]+]] = affine_map<()[s0] -> (1024, s0 + s0)>
|
|
|
|
// CHECK-LABEL: func @canonicalize_bounds
|
|
// CHECK-SAME: [[M:%.*]]: index,
|
|
// CHECK-SAME: [[N:%.*]]: index)
|
|
func @canonicalize_bounds(%M : index, %N : index) {
|
|
%c0 = constant 0 : index
|
|
%c1024 = constant 1024 : index
|
|
// Drop unused operand %N, drop duplicate operand %M, propagate %c1024, and
|
|
// promote %M to a symbolic one.
|
|
// CHECK: affine.for %{{.*}} = 0 to min [[UBMAP]](){{\[}}[[M]]{{\]}}
|
|
affine.for %i = 0 to min affine_map<(d0, d1, d2, d3) -> (d0, d1 + d2)> (%c1024, %M, %M, %N) {
|
|
"foo"() : () -> ()
|
|
}
|
|
// Promote %M to symbolic position.
|
|
// CHECK: affine.for %{{.*}} = 0 to #map{{[0-9]+}}(){{\[}}[[M]]{{\]}}
|
|
affine.for %i = 0 to affine_map<(d0) -> (4 * d0)> (%M) {
|
|
"foo"() : () -> ()
|
|
}
|
|
// Lower bound canonicalize.
|
|
// CHECK: affine.for %{{.*}} = max [[LBMAP]](){{\[}}[[N]]{{\]}} to [[M]]
|
|
affine.for %i = max affine_map<(d0, d1) -> (d0, d1)> (%c0, %N) to %M {
|
|
"foo"() : () -> ()
|
|
}
|
|
return
|
|
}
|
|
|
|
// -----
|
|
|
|
// Compose maps into affine load and store ops.
|
|
|
|
// CHECK-DAG: #map{{[0-9]+}} = affine_map<(d0) -> (d0 + 1)>
|
|
|
|
// CHECK-LABEL: @compose_into_affine_load_store
|
|
func @compose_into_affine_load_store(%A : memref<1024xf32>, %u : index) {
|
|
%cf1 = constant 1.0 : f32
|
|
// CHECK: affine.for %[[IV:.*]] = 0 to 1024
|
|
affine.for %i = 0 to 1024 {
|
|
// Make sure the unused operand (%u below) gets dropped as well.
|
|
%idx = affine.apply affine_map<(d0, d1) -> (d0 + 1)> (%i, %u)
|
|
affine.load %A[%idx] : memref<1024xf32>
|
|
affine.store %cf1, %A[%idx] : memref<1024xf32>
|
|
// CHECK-NEXT: affine.load %{{.*}}[%[[IV]] + 1]
|
|
// CHECK-NEXT: affine.store %cst, %{{.*}}[%[[IV]] + 1]
|
|
|
|
// Map remains the same, but operand changes on composition.
|
|
%copy = affine.apply affine_map<(d0) -> (d0)> (%i)
|
|
affine.load %A[%copy] : memref<1024xf32>
|
|
// CHECK-NEXT: affine.load %{{.*}}[%[[IV]]]
|
|
}
|
|
return
|
|
}
|
|
|
|
// -----
|
|
|
|
func @affine_min(%arg0 : index, %arg1 : index, %arg2 : index) {
|
|
%c511 = constant 511 : index
|
|
%c1 = constant 0 : index
|
|
%0 = affine.min affine_map<(d0)[s0] -> (1000, d0 + 512, s0 + 1)> (%c1)[%c511]
|
|
"op0"(%0) : (index) -> ()
|
|
// CHECK: %[[CST:.*]] = constant 512 : index
|
|
// CHECK-NEXT: "op0"(%[[CST]]) : (index) -> ()
|
|
// CHECK-NEXT: return
|
|
return
|
|
}
|
|
|
|
// -----
|
|
|
|
func @affine_min(%arg0 : index, %arg1 : index, %arg2 : index) {
|
|
%c3 = constant 3 : index
|
|
%c20 = constant 20 : index
|
|
%0 = affine.min affine_map<(d0)[s0] -> (1000, d0 floordiv 4, (s0 mod 5) + 1)> (%c20)[%c3]
|
|
"op0"(%0) : (index) -> ()
|
|
// CHECK: %[[CST:.*]] = constant 4 : index
|
|
// CHECK-NEXT: "op0"(%[[CST]]) : (index) -> ()
|
|
// CHECK-NEXT: return
|
|
return
|
|
}
|