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63 lines
2.0 KiB
63 lines
2.0 KiB
// RUN: mlir-opt -test-constant-fold -split-input-file %s | FileCheck %s
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// CHECK-LABEL: func @affine_apply
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func @affine_apply(%variable : index) -> (index, index, index) {
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%c177 = constant 177 : index
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%c211 = constant 211 : index
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%N = constant 1075 : index
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// CHECK:[[C1159:%.+]] = constant 1159 : index
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// CHECK:[[C1152:%.+]] = 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:%.+]] = 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 @affine_min(%variable: index) -> (index, index) {
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// CHECK: %[[C42:.*]] = constant 42
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%c42 = constant 42 : index
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%c44 = 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 @affine_min(%variable: index) -> (index, index) {
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// CHECK: %[[C42:.*]] = constant 42
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%c42 = constant 42 : index
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// CHECK: %[[C44:.*]] = constant 44
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%c44 = 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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