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