derek.holloway
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93 lines
3.3 KiB
MLIR
93 lines
3.3 KiB
MLIR
// RUN: mlir-opt -test-single-fold -split-input-file %s | FileCheck %s
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// CHECK-LABEL: func @affine_apply
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func.func @affine_apply(%variable : index) -> (index, index, index) {
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%c177 = arith.constant 177 : index
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%c211 = arith.constant 211 : index
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%N = arith.constant 1075 : index
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// CHECK:[[C1159:%.+]] = arith.constant 1159 : index
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// CHECK:[[C1152:%.+]] = arith.constant 1152 : index
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%x0 = affine.apply affine_map<(d0, d1)[S0] -> ( (d0 + 128 * S0) floordiv 128 + d1 mod 128)>
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(%c177, %c211)[%N]
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%x1 = affine.apply affine_map<(d0, d1)[S0] -> (128 * (S0 ceildiv 128))>
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(%c177, %c211)[%N]
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// CHECK:[[C42:%.+]] = arith.constant 42 : index
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%y = affine.apply affine_map<(d0) -> (42)> (%variable)
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// CHECK: return [[C1159]], [[C1152]], [[C42]]
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return %x0, %x1, %y : index, index, index
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}
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// -----
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// CHECK: #[[map:.*]] = affine_map<(d0, d1) -> (42, d1)
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func.func @affine_min(%variable: index) -> (index, index) {
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// CHECK: %[[C42:.*]] = arith.constant 42
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%c42 = arith.constant 42 : index
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%c44 = arith.constant 44 : index
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// Partial folding will use a different map.
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// CHECK: %[[r:.*]] = affine.min #[[map]](%[[C42]], %{{.*}})
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%0 = affine.min affine_map<(d0, d1) -> (d0, d1)>(%c42, %variable)
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// Full folding will remove the operation entirely.
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// CHECK-NOT: affine.min
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%1 = affine.min affine_map<(d0, d1) -> (d0, d1)>(%c42, %c44)
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// CHECK: return %[[r]], %[[C42]]
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return %0, %1 : index, index
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}
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// -----
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// CHECK: #[[map:.*]] = affine_map<(d0, d1) -> (42, d1)
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func.func @affine_min(%variable: index) -> (index, index) {
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// CHECK: %[[C42:.*]] = arith.constant 42
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%c42 = arith.constant 42 : index
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// CHECK: %[[C44:.*]] = arith.constant 44
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%c44 = arith.constant 44 : index
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// Partial folding will use a different map.
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// CHECK: %[[r:.*]] = affine.max #[[map]](%[[C42]], %{{.*}})
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%0 = affine.max affine_map<(d0, d1) -> (d0, d1)>(%c42, %variable)
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// Full folding will remove the operation entirely.
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// CHECK-NOT: affine.max
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%1 = affine.max affine_map<(d0, d1) -> (d0, d1)>(%c42, %c44)
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// CHECK: return %[[r]], %[[C44]]
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return %0, %1 : index, index
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}
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// -----
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func.func @affine_apply_poison_division_zero() {
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// This is just for mlir::context to load ub dialect
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%ub = ub.poison : index
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%c16 = arith.constant 16 : index
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%0 = affine.apply affine_map<(d0)[s0] -> (d0 mod (s0 - s0))>(%c16)[%c16]
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%1 = affine.apply affine_map<(d0)[s0] -> (d0 floordiv (s0 - s0))>(%c16)[%c16]
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%2 = affine.apply affine_map<(d0)[s0] -> (d0 ceildiv (s0 - s0))>(%c16)[%c16]
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%alloc = memref.alloc(%0, %1, %2) : memref<?x?x?xi1>
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%3 = affine.load %alloc[%0, %1, %2] : memref<?x?x?xi1>
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affine.store %3, %alloc[%0, %1, %2] : memref<?x?x?xi1>
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return
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}
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// CHECK-NOT: affine.apply
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// CHECK: %[[poison:.*]] = ub.poison : index
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// CHECK-NEXT: %[[alloc:.*]] = memref.alloc(%[[poison]], %[[poison]], %[[poison]])
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// CHECK-NEXT: %[[load:.*]] = affine.load %[[alloc]][%[[poison]], %[[poison]], %[[poison]]] : memref<?x?x?xi1>
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// CHECK-NEXT: affine.store %[[load]], %alloc[%[[poison]], %[[poison]], %[[poison]]] : memref<?x?x?xi1>
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// -----
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// Check that this doesn't crash because the ub dialect is automatically loaded
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func.func @affine_apply_poison_division_zero_2() -> index {
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%c16 = arith.constant 16 : index
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%0 = affine.apply affine_map<(d0)[s0] -> (d0 mod (s0 - s0))>(%c16)[%c16]
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return %0 : index
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}
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