| // RUN: mlir-opt %s -scf-for-loop-canonicalization | FileCheck %s |
| |
| func.func @reduce() { |
| // CHECK: %[[C64:.*]] = arith.constant 64 : index |
| %c2 = arith.constant 2 : index |
| %cst_0 = arith.constant -0.000000e+00 : f32 |
| %0 = memref.alloc() : memref<128x384xf32> |
| linalg.fill ins(%cst_0 : f32) outs(%0 : memref<128x384xf32>) |
| %2 = memref.alloc() : memref<128xf32> |
| linalg.fill ins(%cst_0 : f32) outs(%2 : memref<128xf32>) |
| scf.forall (%arg0) in (%c2) { |
| %7 = affine.min affine_map<(d0) -> (d0 * -64 + 128, 64)>(%arg0) |
| %8 = affine.max affine_map<(d0) -> (0, d0)>(%7) |
| %9 = affine.apply affine_map<(d0) -> (d0 * 64)>(%arg0) |
| %10 = affine.min affine_map<(d0, d1) -> (d1 * -64 + 128, d0)>(%8, %arg0) |
| |
| // CHECK: memref.subview %{{.*}}[%{{.*}}, 0] [%[[C64]], 384] [1, 1] : memref<128x384xf32> to memref<?x384xf32, {{.*}}> |
| // CHECK: memref.subview %{{.*}}[%{{.*}}] [%[[C64]]] [1] : memref<128xf32> to memref<?xf32, {{.*}}> |
| %11 = memref.subview %0[%9, 0] [%10, 384] [1, 1] : |
| memref<128x384xf32> to memref<?x384xf32, affine_map<(d0, d1)[s0] -> (d0 * 384 + s0 + d1)>> |
| %12 = memref.subview %2[%9] [%10] [1] : |
| memref<128xf32> to memref<?xf32, affine_map<(d0)[s0] -> (d0 + s0)>> |
| |
| // CHECK: linalg.generic {{.*}} ins(%{{.*}} : memref<?x384xf32, {{.*}}>) outs(%{{.*}} : memref<?xf32, {{.*}}>) |
| linalg.generic {indexing_maps = [affine_map<(d0, d1) -> (d0, d1)>, |
| affine_map<(d0, d1) -> (d0)>], |
| iterator_types = ["parallel", "reduction"]} |
| ins(%11 : memref<?x384xf32, affine_map<(d0, d1)[s0] -> (d0 * 384 + s0 + d1)>>) |
| outs(%12 : memref<?xf32, affine_map<(d0)[s0] -> (d0 + s0)>>) { |
| ^bb0(%arg1: f32, %arg2: f32): |
| %14 = arith.addf %arg1, %arg2 : f32 |
| linalg.yield %14 : f32 |
| } |
| } |
| return |
| } |