derek.holloway
7502bf64a4
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29 lines
1.4 KiB
MLIR
29 lines
1.4 KiB
MLIR
// RUN: mlir-opt -pass-pipeline="builtin.module(func.func(convert-affine-for-to-gpu{gpu-block-dims=1 gpu-thread-dims=1}))" %s | FileCheck %s
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// CHECK-LABEL: @step_var
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func.func @step_var(%A : memref<?x?xf32>, %B : memref<?x?xf32>) {
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// Check that we divide by step.
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// CHECK: %[[range_i:.*]] = arith.ceildivsi {{.*}}, %{{.*}}
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// CHECK: %[[range_j:.*]] = arith.ceildivsi {{.*}}, %{{.*}}
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// CHECK: gpu.launch
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// CHECK-SAME: blocks(%{{[^)]*}}, %{{[^)]*}}, %{{[^)]*}}) in (%{{[^)]*}} = %[[range_i]], %{{[^)]*}} = %{{[^)]*}}, %{{[^)]*}} = %{{[^)]*}})
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// CHECK-SAME: threads(%{{[^)]*}}, %{{[^)]*}}, %{{[^)]*}}) in (%{{[^)]*}} = %[[range_j]], %{{[^)]*}} = %{{[^)]*}}, %{{[^)]*}} = %{{[^)]*}})
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affine.for %i = 5 to 15 step 4 {
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affine.for %j = 3 to 19 step 7 {
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// Loop induction variable remapping:
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// iv = thread(block)_id * step + lower_bound
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// CHECK: %[[prod_i:.*]] = arith.muli %{{.*}}, %{{.*}} : index
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// CHECK-NEXT: %[[i:.*]] = arith.addi %{{.*}}, %[[prod_i]] : index
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// CHECK-NEXT: %[[prod_j:.*]] = arith.muli %{{.*}}, %{{.*}} : index
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// CHECK-NEXT: %[[j:.*]] = arith.addi %{{.*}}, %[[prod_j]] : index
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// CHECK: {{.*}} = memref.load %{{.*}}[%[[i]], %[[j]]] : memref<?x?xf32>
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%0 = memref.load %A[%i, %j] : memref<?x?xf32>
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// CHECK: memref.store {{.*}}, %{{.*}}[%[[i]], %[[j]]] : memref<?x?xf32>
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memref.store %0, %B[%i, %j] : memref<?x?xf32>
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}
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}
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return
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}
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