| // RUN: mlir-opt -convert-affine-for-to-gpu="gpu-block-dims=0 gpu-thread-dims=1" %s | FileCheck --check-prefix=CHECK-THREADS %s |
| // RUN: mlir-opt -convert-affine-for-to-gpu="gpu-block-dims=1 gpu-thread-dims=0" %s | FileCheck --check-prefix=CHECK-BLOCKS %s |
| |
| // CHECK-THREADS-LABEL: @one_d_loop |
| // CHECK-BLOCKS-LABEL: @one_d_loop |
| func @one_d_loop(%A : memref<?xf32>, %B : memref<?xf32>) { |
| // Bounds of the loop, its range and step. |
| // CHECK-THREADS-NEXT: %{{.*}} = arith.constant 0 : index |
| // CHECK-THREADS-NEXT: %{{.*}} = arith.constant 42 : index |
| // CHECK-THREADS-NEXT: %[[BOUND:.*]] = arith.subi %{{.*}}, %{{.*}} : index |
| // CHECK-THREADS-NEXT: %{{.*}} = arith.constant 1 : index |
| // CHECK-THREADS-NEXT: %[[ONE:.*]] = arith.constant 1 : index |
| // |
| // CHECK-BLOCKS-NEXT: %{{.*}} = arith.constant 0 : index |
| // CHECK-BLOCKS-NEXT: %{{.*}} = arith.constant 42 : index |
| // CHECK-BLOCKS-NEXT: %[[BOUND:.*]] = arith.subi %{{.*}}, %{{.*}} : index |
| // CHECK-BLOCKS-NEXT: %{{.*}} = arith.constant 1 : index |
| // CHECK-BLOCKS-NEXT: %[[ONE:.*]] = arith.constant 1 : index |
| |
| // CHECK-THREADS-NEXT: gpu.launch blocks(%[[B0:.*]], %[[B1:.*]], %[[B2:.*]]) in (%{{.*}} = %[[ONE]], %{{.*}} = %[[ONE]], %{{.*}}0 = %[[ONE]]) threads(%[[T0:.*]], %[[T1:.*]], %[[T2:.*]]) in (%{{.*}} = %[[BOUND]], %{{.*}} = %[[ONE]], %{{.*}} = %[[ONE]]) |
| // CHECK-BLOCKS-NEXT: gpu.launch blocks(%[[B0:.*]], %[[B1:.*]], %[[B2:.*]]) in (%{{.*}} = %[[BOUND]], %{{.*}} = %[[ONE]], %{{.*}}0 = %[[ONE]]) threads(%[[T0:.*]], %[[T1:.*]], %[[T2:.*]]) in (%{{.*}} = %[[ONE]], %{{.*}} = %[[ONE]], %{{.*}} = %[[ONE]]) |
| affine.for %i = 0 to 42 { |
| // CHECK-THREADS-NEXT: %[[INDEX:.*]] = arith.addi %{{.*}}, %[[T0]] |
| // CHECK-THREADS-NEXT: memref.load %{{.*}}[%[[INDEX]]] |
| // CHECK-BLOCKS-NEXT: %[[INDEX:.*]] = arith.addi %{{.*}}, %[[B0]] |
| // CHECK-BLOCKS-NEXT: memref.load %{{.*}}[%[[INDEX]]] |
| %0 = memref.load %A[%i] : memref<?xf32> |
| memref.store %0, %B[%i] : memref<?xf32> |
| // CHECK-THREADS: gpu.terminator |
| // CHECK-BLOCKS: gpu.terminator |
| } |
| return |
| } |
| |
