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83 lines
3.7 KiB
83 lines
3.7 KiB
// RUN: mlir-opt -convert-affine-for-to-gpu="gpu-block-dims=1 gpu-thread-dims=1" %s | FileCheck --check-prefix=CHECK-11 %s
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// RUN: mlir-opt -convert-affine-for-to-gpu="gpu-block-dims=2 gpu-thread-dims=2" %s | FileCheck --check-prefix=CHECK-22 %s
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// CHECK-11-LABEL: @step_1
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// CHECK-22-LABEL: @step_1
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func @step_1(%A : memref<?x?x?x?xf32>, %B : memref<?x?x?x?xf32>) {
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// Bounds of the loop, its range and step.
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// CHECK-11-NEXT: %{{.*}} = constant 0 : index
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// CHECK-11-NEXT: %{{.*}} = constant 42 : index
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// CHECK-11-NEXT: %{{.*}} = subi %{{.*}}, %{{.*}} : index
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// CHECK-11-NEXT: %{{.*}} = constant 1 : index
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//
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// CHECK-22-NEXT: %{{.*}} = constant 0 : index
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// CHECK-22-NEXT: %{{.*}} = constant 42 : index
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// CHECK-22-NEXT: %{{.*}} = subi %{{.*}}, %{{.*}} : index
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// CHECK-22-NEXT: %{{.*}} = constant 1 : index
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affine.for %i = 0 to 42 {
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// Bounds of the loop, its range and step.
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// CHECK-11-NEXT: %{{.*}} = constant 0 : index
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// CHECK-11-NEXT: %{{.*}} = constant 10 : index
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// CHECK-11-NEXT: %{{.*}} = subi %{{.*}}, %{{.*}} : index
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// CHECK-11-NEXT: %{{.*}} = constant 1 : index
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//
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// CHECK-22-NEXT: %{{.*}} = constant 0 : index
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// CHECK-22-NEXT: %{{.*}} = constant 10 : index
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// CHECK-22-NEXT: %{{.*}} = subi %{{.*}}, %{{.*}} : index
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// CHECK-22-NEXT: %{{.*}} = constant 1 : index
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affine.for %j = 0 to 10 {
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// CHECK-11: gpu.launch
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// CHECK-11-SAME: blocks
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// CHECK-11-SAME: threads
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// Remapping of the loop induction variables.
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// CHECK-11: %[[i:.*]] = addi %{{.*}}, %{{.*}} : index
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// CHECK-11-NEXT: %[[j:.*]] = addi %{{.*}}, %{{.*}} : index
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// This loop is not converted if mapping to 1, 1 dimensions.
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// CHECK-11-NEXT: affine.for %[[ii:.*]] = 2 to 16
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//
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// Bounds of the loop, its range and step.
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// CHECK-22-NEXT: %{{.*}} = constant 2 : index
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// CHECK-22-NEXT: %{{.*}} = constant 16 : index
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// CHECK-22-NEXT: %{{.*}} = subi %{{.*}}, %{{.*}} : index
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// CHECK-22-NEXT: %{{.*}} = constant 1 : index
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affine.for %ii = 2 to 16 {
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// This loop is not converted if mapping to 1, 1 dimensions.
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// CHECK-11-NEXT: affine.for %[[jj:.*]] = 5 to 17
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//
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// Bounds of the loop, its range and step.
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// CHECK-22-NEXT: %{{.*}} = constant 5 : index
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// CHECK-22-NEXT: %{{.*}} = constant 17 : index
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// CHECK-22-NEXT: %{{.*}} = subi %{{.*}}, %{{.*}} : index
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// CHECK-22-NEXT: %{{.*}} = constant 1 : index
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affine.for %jj = 5 to 17 {
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// CHECK-22: gpu.launch
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// CHECK-22-SAME: blocks
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// CHECK-22-SAME: threads
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// Remapping of the loop induction variables in the last mapped scf.
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// CHECK-22: %[[i:.*]] = addi %{{.*}}, %{{.*}} : index
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// CHECK-22-NEXT: %[[j:.*]] = addi %{{.*}}, %{{.*}} : index
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// CHECK-22-NEXT: %[[ii:.*]] = addi %{{.*}}, %{{.*}} : index
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// CHECK-22-NEXT: %[[jj:.*]] = addi %{{.*}}, %{{.*}} : index
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// Using remapped values instead of loop iterators.
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// CHECK-11: {{.*}} = load %{{.*}}[%[[i]], %[[j]], %[[ii]], %[[jj]]] : memref<?x?x?x?xf32>
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// CHECK-22: {{.*}} = load %{{.*}}[%[[i]], %[[j]], %[[ii]], %[[jj]]] : memref<?x?x?x?xf32>
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%0 = load %A[%i, %j, %ii, %jj] : memref<?x?x?x?xf32>
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// CHECK-11-NEXT: store {{.*}}, %{{.*}}[%[[i]], %[[j]], %[[ii]], %[[jj]]] : memref<?x?x?x?xf32>
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// CHECK-22-NEXT: store {{.*}}, %{{.*}}[%[[i]], %[[j]], %[[ii]], %[[jj]]] : memref<?x?x?x?xf32>
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store %0, %B[%i, %j, %ii, %jj] : memref<?x?x?x?xf32>
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// CHECK-11: gpu.terminator
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// CHECK-22: gpu.terminator
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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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