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// RUN: mlir-opt %s -affine-vectorize -virtual-vector-size 32 -virtual-vector-size 256 --test-fastest-varying=0 --test-fastest-varying=1 | FileCheck %s
// Permutation maps used in vectorization.
// CHECK-DAG: #[[map_proj_d0d1d2_d2d1:map[0-9]+]] = (d0, d1, d2) -> (d2, d1)
func @vec2d(%A : memref<?x?x?xf32>) {
%M = dim %A, 0 : memref<?x?x?xf32>
%N = dim %A, 1 : memref<?x?x?xf32>
%P = dim %A, 2 : memref<?x?x?xf32>
// CHECK: for {{.*}} = 0 to %{{.*}} {
// CHECK: for {{.*}} = 0 to %{{.*}} {
// CHECK: for {{.*}} = 0 to %{{.*}} {
// For the case: --test-fastest-varying=0 --test-fastest-varying=1 no
// vectorization happens because of loop nesting order.
affine.for %i0 = 0 to %M {
affine.for %i1 = 0 to %N {
affine.for %i2 = 0 to %P {
%a2 = affine.load %A[%i0, %i1, %i2] : memref<?x?x?xf32>
}
}
}
// CHECK: affine.for %{{.*}} = 0 to %{{.*}} step 32
// CHECK: affine.for %{{.*}} = 0 to %{{.*}} {
// CHECK: affine.for %{{.*}} = 0 to %{{.*}} step 256
// CHECK: {{.*}} = vector.transfer_read %{{.*}}[%{{.*}}, %{{.*}}, %{{.*}}], %{{.*}} {permutation_map = #[[map_proj_d0d1d2_d2d1]]} : memref<?x?x?xf32>, vector<32x256xf32>
affine.for %i3 = 0 to %M {
affine.for %i4 = 0 to %N {
affine.for %i5 = 0 to %P {
%a5 = affine.load %A[%i4, %i5, %i3] : memref<?x?x?xf32>
}
}
}
return
}
func @vec2d_imperfectly_nested(%A : memref<?x?x?xf32>) {
%0 = dim %A, 0 : memref<?x?x?xf32>
%1 = dim %A, 1 : memref<?x?x?xf32>
%2 = dim %A, 2 : memref<?x?x?xf32>
// CHECK: affine.for %{{.*}} = 0 to %{{.*}} step 32 {
// CHECK: affine.for %{{.*}} = 0 to %{{.*}} step 256 {
// CHECK: affine.for %{{.*}} = 0 to %{{.*}} {
// CHECK: %{{.*}} = vector.transfer_read %{{.*}}[%{{.*}}, %{{.*}}, %{{.*}}], %{{.*}} {permutation_map = #[[map_proj_d0d1d2_d2d1]]} : memref<?x?x?xf32>, vector<32x256xf32>
// CHECK: affine.for %{{.*}} = 0 to %{{.*}} {
// CHECK: affine.for %{{.*}} = 0 to %{{.*}} step 256 {
// CHECK: %{{.*}} = vector.transfer_read %{{.*}}[%{{.*}}, %{{.*}}, %{{.*}}], %{{.*}} {permutation_map = #[[map_proj_d0d1d2_d2d1]]} : memref<?x?x?xf32>, vector<32x256xf32>
// CHECK: affine.for %{{.*}} = 0 to %{{.*}} step 256 {
// CHECK: %{{.*}} = vector.transfer_read %{{.*}}[%{{.*}}, %{{.*}}, %{{.*}}], %{{.*}} {permutation_map = #[[map_proj_d0d1d2_d2d1]]} : memref<?x?x?xf32>, vector<32x256xf32>
affine.for %i0 = 0 to %0 {
affine.for %i1 = 0 to %1 {
affine.for %i2 = 0 to %2 {
%a2 = affine.load %A[%i2, %i1, %i0] : memref<?x?x?xf32>
}
}
affine.for %i3 = 0 to %1 {
affine.for %i4 = 0 to %2 {
%a4 = affine.load %A[%i3, %i4, %i0] : memref<?x?x?xf32>
}
affine.for %i5 = 0 to %2 {
%a5 = affine.load %A[%i3, %i5, %i0] : memref<?x?x?xf32>
}
}
}
return
}
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