[mlir] Migrate vector-to-loops.mlir to ProgressiveVectorToSCF

[springerm]

Summary

Create a copy of vector-to-loops.mlir and adapt the test for
ProgressiveVectorToSCF.

Depends On D102206

[springerm]

small change + rebase

mlir/lib/Conversion/VectorToSCF/ProgressiveVectorToSCF.cpp

struct UnrollTransferWriteConversion
   Value getDataVector(TransferWriteOp xferOp) const {
     if (auto extractOp = getExtractOp(xferOp))
       return extractOp.vector();
     return xferOp.vector();
   }
 
   /// If the input of the given TransferWriteOp is an ExtractOp, return it.
   vector::ExtractOp getExtractOp(TransferWriteOp xferOp) const {
-    return dyn_cast<vector::ExtractOp>(xferOp.vector().getDefiningOp());
+    if (auto *op = xferOp.vector().getDefiningOp())
+      return dyn_cast<vector::ExtractOp>(op);
+    return vector::ExtractOp();
   }
 
   /// If the input of the given TransferWriteOp is an ExtractOp, return its
   /// indices.
   void getExtractionIndices(TransferWriteOp xferOp,
                             SmallVector<int64_t, 8> &indices) const {
     if (auto extractOp = getExtractOp(xferOp)) {
       llvm::for_each(extractOp.position(), [&](Attribute attr) {

mlir/test/Conversion/VectorToSCF/progressive-vector-to-loops.mlir

+// RUN: mlir-opt %s -test-progressive-convert-vector-to-scf -split-input-file -allow-unregistered-dialect | FileCheck %s
+// RUN: mlir-opt %s -test-unrolled-progressive-convert-vector-to-scf -split-input-file -allow-unregistered-dialect | FileCheck %s --check-prefix=FULL-UNROLL
+
+// CHECK-LABEL: func @materialize_read_1d() {
+func @materialize_read_1d() {
+  %f0 = constant 0.0: f32
+  %A = memref.alloc () : memref<7x42xf32>
+  affine.for %i0 = 0 to 7 step 4 {
+    affine.for %i1 = 0 to 42 step 4 {
+      %f1 = vector.transfer_read %A[%i0, %i1], %f0 {permutation_map = affine_map<(d0, d1) -> (d0)>} : memref<7x42xf32>, vector<4xf32>
+      %ip1 = affine.apply affine_map<(d0) -> (d0 + 1)> (%i1)
+      %f2 = vector.transfer_read %A[%i0, %ip1], %f0 {permutation_map = affine_map<(d0, d1) -> (d0)>} : memref<7x42xf32>, vector<4xf32>
+      %ip2 = affine.apply affine_map<(d0) -> (d0 + 2)> (%i1)
+      %f3 = vector.transfer_read %A[%i0, %ip2], %f0 {permutation_map = affine_map<(d0, d1) -> (d0)>} : memref<7x42xf32>, vector<4xf32>
+      %ip3 = affine.apply affine_map<(d0) -> (d0 + 3)> (%i1)
+      %f4 = vector.transfer_read %A[%i0, %ip3], %f0 {permutation_map = affine_map<(d0, d1) -> (d0)>} : memref<7x42xf32>, vector<4xf32>
+      // Both accesses in the load must be clipped otherwise %i1 + 2 and %i1 + 3 will go out of bounds.
+      // CHECK: scf.if
+      // CHECK-NEXT: memref.load
+      // CHECK-NEXT: vector.insertelement
+      // CHECK-NEXT: scf.yield
+      // CHECK-NEXT: else
+      // CHECK-NEXT: scf.yield
+      // Add a dummy use to prevent dead code elimination from removing transfer
+      // read ops.
+      "dummy_use"(%f1, %f2, %f3, %f4) : (vector<4xf32>, vector<4xf32>, vector<4xf32>, vector<4xf32>) -> ()
+    }
+  }
+  return
+}
+
+// -----
+
+// CHECK-LABEL: func @materialize_read_1d_partially_specialized
+func @materialize_read_1d_partially_specialized(%dyn1 : index, %dyn2 : index, %dyn4 : index) {
+  %f0 = constant 0.0: f32
+  %A = memref.alloc (%dyn1, %dyn2, %dyn4) : memref<7x?x?x42x?xf32>
+  affine.for %i0 = 0 to 7 {
+    affine.for %i1 = 0 to %dyn1 {
+      affine.for %i2 = 0 to %dyn2 {
+        affine.for %i3 = 0 to 42 step 2 {
+          affine.for %i4 = 0 to %dyn4 {
+            %f1 = vector.transfer_read %A[%i0, %i1, %i2, %i3, %i4], %f0 {permutation_map = affine_map<(d0, d1, d2, d3, d4) -> (d3)>} : memref<7x?x?x42x?xf32>, vector<4xf32>
+            %i3p1 = affine.apply affine_map<(d0) -> (d0 + 1)> (%i3)
+            %f2 = vector.transfer_read %A[%i0, %i1, %i2, %i3p1, %i4], %f0 {permutation_map = affine_map<(d0, d1, d2, d3, d4) -> (d3)>} : memref<7x?x?x42x?xf32>, vector<4xf32>
+            // Add a dummy use to prevent dead code elimination from removing
+            // transfer read ops.
+            "dummy_use"(%f1, %f2) : (vector<4xf32>, vector<4xf32>) -> ()
+          }
+        }
+      }
+    }
+  }
+  // CHECK: %[[tensor:[0-9]+]] = memref.alloc
+  // CHECK-NOT: {{.*}} memref.dim %[[tensor]], %c0
+  // CHECK-NOT: {{.*}} memref.dim %[[tensor]], %c3
+  return
+}
+
+// -----
+
+// CHECK: #[[$ADD:map.*]] = affine_map<(d0, d1) -> (d0 + d1)>
+
+// CHECK-LABEL: func @materialize_read(%{{.*}}: index, %{{.*}}: index, %{{.*}}: index, %{{.*}}: index) {
+func @materialize_read(%M: index, %N: index, %O: index, %P: index) {
+  %f0 = constant 0.0: f32
+  // CHECK-DAG:  %[[ALLOC:.*]] = memref.alloca() : memref<vector<5x4x3xf32>>
+  // CHECK-DAG:  %[[C0:.*]] = constant 0 : index
+  // CHECK-DAG:  %[[C1:.*]] = constant 1 : index
+  // CHECK-DAG:  %[[C3:.*]] = constant 3 : index
+  // CHECK-DAG:  %[[C4:.*]] = constant 4 : index
+  // CHECK-DAG:  %[[C5:.*]] = constant 5 : index
+  // CHECK:      %{{.*}} = memref.alloc(%{{.*}}, %{{.*}}, %{{.*}}, %{{.*}}) : memref<?x?x?x?xf32>
+  // CHECK-NEXT:  affine.for %[[I0:.*]] = 0 to %{{.*}} step 3 {
+  // CHECK-NEXT:    affine.for %[[I1:.*]] = 0 to %{{.*}} {
+  // CHECK-NEXT:      affine.for %[[I2:.*]] = 0 to %{{.*}} {
+  // CHECK-NEXT:        affine.for %[[I3:.*]] = 0 to %{{.*}} step 5 {
+  // CHECK:               scf.for %[[I4:.*]] = %[[C0]] to %[[C5]] step %[[C1]] {
+  // CHECK:                 scf.if
+  // CHECK:                   %[[L3:.*]] = affine.apply #[[$ADD]](%[[I3]], %[[I4]])
+  // CHECK:                   scf.for %[[I5:.*]] = %[[C0]] to %[[C4]] step %[[C1]] {
+  // CHECK:                     %[[VEC:.*]] = scf.for %[[I6:.*]] = %[[C0]] to %[[C3]] step %[[C1]] {{.*}} -> (vector<3xf32>) {
+  // CHECK:                       %[[L0:.*]] = affine.apply #[[$ADD]](%[[I0]], %[[I6]])
+  // CHECK:                       %[[VIDX:.*]] = index_cast %[[I6]]
+  // CHECK:                       scf.if {{.*}} -> (vector<3xf32>) {
+  // CHECK-NEXT:                    %[[SCAL:.*]] = memref.load %{{.*}}[%[[L0]], %[[I1]], %[[I2]], %[[L3]]] : memref<?x?x?x?xf32>
+  // CHECK-NEXT:                    %[[RVEC:.*]] = vector.insertelement %[[SCAL]], %{{.*}}[%[[VIDX]] : i32] : vector<3xf32>
+  // CHECK-NEXT:                    scf.yield
+  // CHECK-NEXT:                  } else {
+  // CHECK-NEXT:                    scf.yield
+  // CHECK-NEXT:                  }
+  // CHECK-NEXT:                  scf.yield
+  // CHECK-NEXT:                }
+  // CHECK-NEXT:                memref.store %[[VEC]], {{.*}} : memref<5x4xvector<3xf32>>
+  // CHECK-NEXT:              }
+  // CHECK-NEXT:            } else {
+  // CHECK-NEXT:              memref.store {{.*}} : memref<5xvector<4x3xf32>>
+  // CHECK-NEXT:            }
+  // CHECK-NEXT:          }
+  // CHECK-NEXT:          %[[LD:.*]] = memref.load %[[ALLOC]][] : memref<vector<5x4x3xf32>>
+  // CHECK-NEXT:          "dummy_use"(%[[LD]]) : (vector<5x4x3xf32>) -> ()
+  // CHECK-NEXT:        }
+  // CHECK-NEXT:      }
+  // CHECK-NEXT:    }
+  // CHECK-NEXT:  }
+  // CHECK-NEXT:  return
+  // CHECK-NEXT:}
+
+  // Check that I0 + I4 (of size 3) read from first index load(L0, ...) and write into last index store(..., I4)
+  // Check that I3 + I6 (of size 5) read from last index load(..., L3) and write into first index store(I6, ...)
+  // Other dimensions are just accessed with I1, I2 resp.
+  %A = memref.alloc (%M, %N, %O, %P) : memref<?x?x?x?xf32, 0>
+  affine.for %i0 = 0 to %M step 3 {
+    affine.for %i1 = 0 to %N {
+      affine.for %i2 = 0 to %O {
+        affine.for %i3 = 0 to %P step 5 {
+          %f = vector.transfer_read %A[%i0, %i1, %i2, %i3], %f0 {permutation_map = affine_map<(d0, d1, d2, d3) -> (d3, 0, d0)>} : memref<?x?x?x?xf32>, vector<5x4x3xf32>
+          // Add a dummy use to prevent dead code elimination from removing
+          // transfer read ops.
+          "dummy_use"(%f) : (vector<5x4x3xf32>) -> ()
+        }
+      }
+    }
+  }
+  return
+}
+
+// -----
+
+// CHECK: #[[$ADD:map.*]] = affine_map<(d0, d1) -> (d0 + d1)>
+
+// CHECK-LABEL:func @materialize_write(%{{.*}}: index, %{{.*}}: index, %{{.*}}: index, %{{.*}}: index) {
+func @materialize_write(%M: index, %N: index, %O: index, %P: index) {
+  // CHECK-DAG:  %[[ALLOC:.*]] = memref.alloca() : memref<vector<5x4x3xf32>>
+  // CHECK-DAG:  %{{.*}} = constant dense<1.000000e+00> : vector<5x4x3xf32>
+  // CHECK-DAG:  %[[C0:.*]] = constant 0 : index
+  // CHECK-DAG:  %[[C1:.*]] = constant 1 : index
+  // CHECK-DAG:  %[[C3:.*]] = constant 3 : index
+  // CHECK-DAG:  %[[C4:.*]] = constant 4 : index
+  // CHECK-DAG:  %[[C5:.*]] = constant 5 : index
+  // CHECK:      %{{.*}} = memref.alloc(%{{.*}}, %{{.*}}, %{{.*}}, %{{.*}}) : memref<?x?x?x?xf32>
+  // CHECK-NEXT: affine.for %[[I0:.*]] = 0 to %{{.*}} step 3 {
+  // CHECK-NEXT:   affine.for %[[I1:.*]] = 0 to %{{.*}} step 4 {
+  // CHECK-NEXT:     affine.for %[[I2:.*]] = 0 to %{{.*}} {
+  // CHECK-NEXT:       affine.for %[[I3:.*]] = 0 to %{{.*}} step 5 {
+  // CHECK:              memref.store %{{.*}}, %[[ALLOC]][] : memref<vector<5x4x3xf32>>
+  // CHECK:              %[[VECTOR_VIEW1:.*]] = vector.type_cast %[[ALLOC]] : memref<vector<5x4x3xf32>> to memref<5xvector<4x3xf32>>
+  // CHECK:              scf.for %[[I4:.*]] = %[[C0]] to %[[C5]] step %[[C1]] {
+  // CHECK:                scf.if
+  // CHECK:                  %[[S3:.*]] = affine.apply #[[$ADD]](%[[I3]], %[[I4]])
+  // CHECK:                  %[[VECTOR_VIEW2:.*]] = vector.type_cast %[[VECTOR_VIEW1]] : memref<5xvector<4x3xf32>> to memref<5x4xvector<3xf32>>
+  // CHECK:                  scf.for %[[I5:.*]] = %[[C0]] to %[[C4]] step %[[C1]] {
+  // CHECK:                    scf.if
+  // CHECK:                      %[[S1:.*]] = affine.apply #[[$ADD]](%[[I1]], %[[I5]])
+  // CHECK:                      %[[VEC:.*]] = memref.load %[[VECTOR_VIEW2]][%[[I4]], %[[I5]]] : memref<5x4xvector<3xf32>>
+  // CHECK:                      scf.for %[[I6:.*]] = %[[C0]] to %[[C3]] step %[[C1]] {
+  // CHECK:                        %[[S0:.*]] = affine.apply #[[$ADD]](%[[I0]], %[[I6]])
+  // CHECK:                        %[[VIDX:.*]] = index_cast %[[I6]]
+  // CHECK:                        scf.if
+  // CHECK:                          %[[SCAL:.*]] = vector.extractelement %[[VEC]][%[[VIDX]] : i32] : vector<3xf32>
+  // CHECK:                          memref.store %[[SCAL]], {{.*}}[%[[S0]], %[[S1]], %[[I2]], %[[S3]]] : memref<?x?x?x?xf32>
+  // CHECK:                        }
+  // CHECK:                      }
+  // CHECK:                    }
+  // CHECK:                  }
+  // CHECK:                }
+  // CHECK:              }
+  // CHECK:            }
+  // CHECK:          }
+  // CHECK:        }
+  // CHECK:      }
+  // CHECK:      return
+
+  // Check that I0 + I4 (of size 3) read from last index load(..., I4) and write into first index store(S0, ...)
+  // Check that I1 + I5 (of size 4) read from second index load(..., I5, ...) and write into second index store(..., S1, ...)
+  // Check that I3 + I6 (of size 5) read from first index load(I6, ...) and write into last index store(..., S3)
+  // Other dimension is just accessed with I2.
+  %A = memref.alloc (%M, %N, %O, %P) : memref<?x?x?x?xf32, 0>
+  %f1 = constant dense<1.000000e+00> : vector<5x4x3xf32>
+  affine.for %i0 = 0 to %M step 3 {
+    affine.for %i1 = 0 to %N step 4 {
+      affine.for %i2 = 0 to %O {
+        affine.for %i3 = 0 to %P step 5 {
+          vector.transfer_write %f1, %A[%i0, %i1, %i2, %i3] {permutation_map = affine_map<(d0, d1, d2, d3) -> (d3, d1, d0)>} : vector<5x4x3xf32>, memref<?x?x?x?xf32>
+        }
+      }
+    }
+  }
+  return
+}
+
+// -----
+
+// CHECK-DAG: #[[$MAP0:.*]] = affine_map<(d0)[s0] -> (d0 + s0)>
+
+// FULL-UNROLL-DAG: #[[$MAP1:.*]] = affine_map<()[s0] -> (s0 + 1)>
+// FULL-UNROLL-DAG: #[[$MAP2:.*]] = affine_map<()[s0] -> (s0 + 2)>
+
+
+// CHECK-LABEL: transfer_read_progressive(
+//  CHECK-SAME:   %[[A:[a-zA-Z0-9]+]]: memref<?x?xf32>,
+//  CHECK-SAME:   %[[base:[a-zA-Z0-9]+]]: index
+
+// FULL-UNROLL-LABEL: transfer_read_progressive(
+//  FULL-UNROLL-SAME:   %[[A:[a-zA-Z0-9]+]]: memref<?x?xf32>,
+//  FULL-UNROLL-SAME:   %[[base:[a-zA-Z0-9]+]]: index
+
+func @transfer_read_progressive(%A : memref<?x?xf32>, %base: index) -> vector<3x15xf32> {
+  %f7 = constant 7.0: f32
+  // CHECK-DAG: %[[C7:.*]] = constant 7.000000e+00 : f32
+  // CHECK-DAG: %[[C0:.*]] = constant 0 : index
+  // CHECK-DAG: %[[C1:.*]] = constant 1 : index
+  // CHECK-DAG: %[[C3:.*]] = constant 3 : index
+  // CHECK-DAG: %[[splat:.*]] = constant dense<7.000000e+00> : vector<15xf32>
+  // CHECK-DAG: %[[alloc:.*]] = memref.alloca() : memref<vector<3x15xf32>>
+  // CHECK:     %[[alloc_casted:.*]] = vector.type_cast %[[alloc]] : memref<vector<3x15xf32>> to memref<3xvector<15xf32>>
+  // CHECK:     scf.for %[[I:.*]] = %[[C0]] to %[[C3]]
+  // CHECK:       %[[dim:.*]] = memref.dim %[[A]], %[[C0]] : memref<?x?xf32>
+  // CHECK:       %[[add:.*]] = affine.apply #[[$MAP0]](%[[I]])[%[[base]]]
+  // CHECK:       %[[cond1:.*]] = cmpi sgt, %[[dim]], %[[add]] : index
+  // CHECK:       scf.if %[[cond1]] {
+  // CHECK:         %[[vec_1d:.*]] = vector.transfer_read %[[A]][%{{.*}}, %[[base]]], %[[C7]] : memref<?x?xf32>, vector<15xf32>
+  // CHECK:         memref.store %[[vec_1d]], %[[alloc_casted]][%[[I]]] : memref<3xvector<15xf32>>
+  // CHECK:       } else {
+  // CHECK:         store %[[splat]], %[[alloc_casted]][%[[I]]] : memref<3xvector<15xf32>>
+  // CHECK:       }
+  // CHECK:     }
+  // CHECK:     %[[cst:.*]] = memref.load %[[alloc]][] : memref<vector<3x15xf32>>
+
+  // FULL-UNROLL: %[[C7:.*]] = constant 7.000000e+00 : f32
+  // FULL-UNROLL: %[[VEC0:.*]] = constant dense<7.000000e+00> : vector<3x15xf32>
+  // FULL-UNROLL: %[[C0:.*]] = constant 0 : index
+  // FULL-UNROLL: %[[DIM:.*]] = memref.dim %[[A]], %[[C0]] : memref<?x?xf32>
+  // FULL-UNROLL: cmpi sgt, %[[DIM]], %[[base]] : index
+  // FULL-UNROLL: %[[VEC1:.*]] = scf.if %{{.*}} -> (vector<3x15xf32>) {
+  // FULL-UNROLL:   vector.transfer_read %[[A]][%[[base]], %[[base]]], %[[C7]] : memref<?x?xf32>, vector<15xf32>
+  // FULL-UNROLL:   vector.insert %{{.*}}, %[[VEC0]] [0] : vector<15xf32> into vector<3x15xf32>
+  // FULL-UNROLL:   scf.yield %{{.*}} : vector<3x15xf32>
+  // FULL-UNROLL: } else {
+  // FULL-UNROLL:   scf.yield %{{.*}} : vector<3x15xf32>
+  // FULL-UNROLL: }
+  // FULL-UNROLL: affine.apply #[[$MAP1]]()[%[[base]]]
+  // FULL-UNROLL: cmpi sgt, %{{.*}}, %{{.*}} : index
+  // FULL-UNROLL: %[[VEC2:.*]] = scf.if %{{.*}} -> (vector<3x15xf32>) {
+  // FULL-UNROLL:   vector.transfer_read %[[A]][%{{.*}}, %[[base]]], %[[C7]] : memref<?x?xf32>, vector<15xf32>
+  // FULL-UNROLL:   vector.insert %{{.*}}, %[[VEC1]] [1] : vector<15xf32> into vector<3x15xf32>
+  // FULL-UNROLL:   scf.yield %{{.*}} : vector<3x15xf32>
+  // FULL-UNROLL: } else {
+  // FULL-UNROLL:   scf.yield %{{.*}} : vector<3x15xf32>
+  // FULL-UNROLL: }
+  // FULL-UNROLL: affine.apply #[[$MAP2]]()[%[[base]]]
+  // FULL-UNROLL: cmpi sgt, %{{.*}}, %{{.*}} : index
+  // FULL-UNROLL: %[[VEC3:.*]] = scf.if %{{.*}} -> (vector<3x15xf32>) {
+  // FULL-UNROLL:   vector.transfer_read %[[A]][%{{.*}}, %[[base]]], %[[C7]] : memref<?x?xf32>, vector<15xf32>
+  // FULL-UNROLL:   vector.insert %{{.*}}, %[[VEC2]] [2] : vector<15xf32> into vector<3x15xf32>
+  // FULL-UNROLL:   scf.yield %{{.*}} : vector<3x15xf32>
+  // FULL-UNROLL: } else {
+  // FULL-UNROLL:   scf.yield %{{.*}} : vector<3x15xf32>
+  // FULL-UNROLL: }
+
+  %f = vector.transfer_read %A[%base, %base], %f7 :
+    memref<?x?xf32>, vector<3x15xf32>
+
+  return %f: vector<3x15xf32>
+}
+
+// -----
+
+// CHECK-DAG: #[[$MAP0:.*]] = affine_map<(d0)[s0] -> (d0 + s0)>
+
+// FULL-UNROLL-DAG: #[[$MAP1:.*]] = affine_map<()[s0] -> (s0 + 1)>
+// FULL-UNROLL-DAG: #[[$MAP2:.*]] = affine_map<()[s0] -> (s0 + 2)>
+
+// CHECK-LABEL: transfer_write_progressive(
+//  CHECK-SAME:   %[[A:[a-zA-Z0-9]+]]: memref<?x?xf32>,
+//  CHECK-SAME:   %[[base:[a-zA-Z0-9]+]]: index,
+//  CHECK-SAME:   %[[vec:[a-zA-Z0-9]+]]: vector<3x15xf32>
+// FULL-UNROLL-LABEL: transfer_write_progressive(
+//  FULL-UNROLL-SAME:   %[[A:[a-zA-Z0-9]+]]: memref<?x?xf32>,
+//  FULL-UNROLL-SAME:   %[[base:[a-zA-Z0-9]+]]: index,
+//  FULL-UNROLL-SAME:   %[[vec:[a-zA-Z0-9]+]]: vector<3x15xf32>
+func @transfer_write_progressive(%A : memref<?x?xf32>, %base: index, %vec: vector<3x15xf32>) {
+  // CHECK-DAG: %[[C0:.*]] = constant 0 : index
+  // CHECK-DAG: %[[C1:.*]] = constant 1 : index
+  // CHECK-DAG: %[[C3:.*]] = constant 3 : index
+  // CHECK:     %[[alloc:.*]] = memref.alloca() : memref<vector<3x15xf32>>
+  // CHECK:     memref.store %[[vec]], %[[alloc]][] : memref<vector<3x15xf32>>
+  // CHECK:     %[[vmemref:.*]] = vector.type_cast %[[alloc]] : memref<vector<3x15xf32>> to memref<3xvector<15xf32>>
+  // CHECK:     scf.for %[[I:.*]] = %[[C0]] to %[[C3]]
+  // CHECK:       %[[dim:.*]] = memref.dim %[[A]], %[[C0]] : memref<?x?xf32>
+  // CHECK:       %[[add:.*]] = affine.apply #[[$MAP0]](%[[I]])[%[[base]]]
+  // CHECK:       %[[cmp:.*]] = cmpi sgt, %[[dim]], %[[add]] : index
+  // CHECK:       scf.if %[[cmp]] {
+  // CHECK:         %[[vec_1d:.*]] = memref.load %[[vmemref]][%[[I]]] : memref<3xvector<15xf32>>
+  // CHECK:         vector.transfer_write %[[vec_1d]], %[[A]][{{.*}}, %[[base]]] : vector<15xf32>, memref<?x?xf32>
+  // CHECK:       }
+  // CHECK:     }
+
+  // FULL-UNROLL: %[[C0:.*]] = constant 0 : index
+  // FULL-UNROLL: %[[DIM:.*]] = memref.dim %[[A]], %[[C0]] : memref<?x?xf32>
+  // FULL-UNROLL: %[[CMP0:.*]] = cmpi sgt, %[[DIM]], %[[base]] : index
+  // FULL-UNROLL: scf.if %[[CMP0]] {
+  // FULL-UNROLL:   %[[V0:.*]] = vector.extract %[[vec]][0] : vector<3x15xf32>
+  // FULL-UNROLL:   vector.transfer_write %[[V0]], %[[A]][%[[base]], %[[base]]] : vector<15xf32>, memref<?x?xf32>
+  // FULL-UNROLL: }
+  // FULL-UNROLL: %[[I1:.*]] = affine.apply #[[$MAP1]]()[%[[base]]]
+  // FULL-UNROLL: %[[CMP1:.*]] = cmpi sgt, %{{.*}}, %[[I1]] : index
+  // FULL-UNROLL: scf.if %[[CMP1]] {
+  // FULL-UNROLL:   %[[V1:.*]] = vector.extract %[[vec]][1] : vector<3x15xf32>
+  // FULL-UNROLL:   vector.transfer_write %[[V1]], %[[A]][%{{.*}}, %[[base]]] : vector<15xf32>, memref<?x?xf32>
+  // FULL-UNROLL: }
+  // FULL-UNROLL: %[[I2:.*]] = affine.apply #[[$MAP2]]()[%[[base]]]
+  // FULL-UNROLL: %[[CMP2:.*]] = cmpi sgt, %{{.*}}, %[[I2]] : index
+  // FULL-UNROLL: scf.if %[[CMP2]] {
+  // FULL-UNROLL:   %[[V2:.*]] = vector.extract %[[vec]][2] : vector<3x15xf32>
+  // FULL-UNROLL:   vector.transfer_write %[[V2]], %[[A]][%{{.*}}, %[[base]]] : vector<15xf32>, memref<?x?xf32>
+  // FULL-UNROLL: }
+
+  vector.transfer_write %vec, %A[%base, %base] :
+    vector<3x15xf32>, memref<?x?xf32>
+  return
+}
+
+// -----
+
+// CHECK-DAG: #[[$MAP0:.*]] = affine_map<(d0)[s0] -> (d0 + s0)>
+
+// FULL-UNROLL-DAG: #[[$MAP1:.*]] = affine_map<()[s0] -> (s0 + 1)>
+// FULL-UNROLL-DAG: #[[$MAP2:.*]] = affine_map<()[s0] -> (s0 + 2)>
+
+// CHECK-LABEL: transfer_write_progressive_inbounds(
+//  CHECK-SAME:   %[[A:[a-zA-Z0-9]+]]: memref<?x?xf32>,
+//  CHECK-SAME:   %[[base:[a-zA-Z0-9]+]]: index,
+//  CHECK-SAME:   %[[vec:[a-zA-Z0-9]+]]: vector<3x15xf32>
+// FULL-UNROLL-LABEL: transfer_write_progressive_inbounds(
+//  FULL-UNROLL-SAME:   %[[A:[a-zA-Z0-9]+]]: memref<?x?xf32>,
+//  FULL-UNROLL-SAME:   %[[base:[a-zA-Z0-9]+]]: index,
+//  FULL-UNROLL-SAME:   %[[vec:[a-zA-Z0-9]+]]: vector<3x15xf32>
+func @transfer_write_progressive_inbounds(%A : memref<?x?xf32>, %base: index, %vec: vector<3x15xf32>) {
+  // CHECK-NOT:    scf.if
+  // CHECK-DAG:  %[[C0:.*]] = constant 0 : index
+  // CHECK-DAG:  %[[C3:.*]] = constant 3 : index
+  // CHECK:      %[[alloc:.*]] = memref.alloca() : memref<vector<3x15xf32>>
+  // CHECK-NEXT: memref.store %[[vec]], %[[alloc]][] : memref<vector<3x15xf32>>
+  // CHECK-NEXT: %[[vmemref:.*]] = vector.type_cast %[[alloc]] : memref<vector<3x15xf32>> to memref<3xvector<15xf32>>
+  // CHECK-NEXT: scf.for %[[I:.*]] = %[[C0]] to %[[C3]]
+  // CHECK-NEXT:   %[[add:.*]] = affine.apply #[[$MAP0]](%[[I]])[%[[base]]]
+  // CHECK-NEXT:   %[[vec_1d:.*]] = memref.load %[[vmemref]][%[[I]]] : memref<3xvector<15xf32>>
+  // CHECK-NEXT:   vector.transfer_write %[[vec_1d]], %[[A]][%[[add]], %[[base]]] {in_bounds = [true]} : vector<15xf32>, memref<?x?xf32>
+
+  // FULL-UNROLL: %[[VEC0:.*]] = vector.extract %[[vec]][0] : vector<3x15xf32>
+  // FULL-UNROLL: vector.transfer_write %[[VEC0]], %[[A]][%[[base]], %[[base]]] {in_bounds = [true]} : vector<15xf32>, memref<?x?xf32>
+  // FULL-UNROLL: %[[I1:.*]] = affine.apply #[[$MAP1]]()[%[[base]]]
+  // FULL-UNROLL: %[[VEC1:.*]] = vector.extract %[[vec]][1] : vector<3x15xf32>
+  // FULL-UNROLL: vector.transfer_write %2, %[[A]][%[[I1]], %[[base]]] {in_bounds = [true]} : vector<15xf32>, memref<?x?xf32>
+  // FULL-UNROLL: %[[I2:.*]] = affine.apply #[[$MAP2]]()[%[[base]]]
+  // FULL-UNROLL: %[[VEC2:.*]] = vector.extract %[[vec]][2] : vector<3x15xf32>
+  // FULL-UNROLL: vector.transfer_write %[[VEC2:.*]], %[[A]][%[[I2]], %[[base]]] {in_bounds = [true]} : vector<15xf32>, memref<?x?xf32>
+  vector.transfer_write %vec, %A[%base, %base] {in_bounds = [true, true]} :
+    vector<3x15xf32>, memref<?x?xf32>
+  return
+}
+
+// -----
+
+// FULL-UNROLL-LABEL: transfer_read_simple
+func @transfer_read_simple(%A : memref<2x2xf32>) -> vector<2x2xf32> {
+  %c0 = constant 0 : index
+  %f0 = constant 0.0 : f32
+  // FULL-UNROLL-DAG: %[[VC0:.*]] = constant dense<0.000000e+00> : vector<2x2xf32>
+  // FULL-UNROLL-DAG: %[[C0:.*]] = constant 0 : index
+  // FULL-UNROLL-DAG: %[[C1:.*]] = constant 1 : index
+  // FULL-UNROLL: %[[V0:.*]] = vector.transfer_read %{{.*}}[%[[C0]], %[[C0]]]
+  // FULL-UNROLL: %[[RES0:.*]] = vector.insert %[[V0]], %[[VC0]] [0] : vector<2xf32> into vector<2x2xf32>
+  // FULL-UNROLL: %[[V1:.*]] = vector.transfer_read %{{.*}}[%[[C1]], %[[C0]]]
+  // FULL-UNROLL: %[[RES1:.*]] = vector.insert %[[V1]], %[[RES0]] [1] : vector<2xf32> into vector<2x2xf32>
+  %0 = vector.transfer_read %A[%c0, %c0], %f0 : memref<2x2xf32>, vector<2x2xf32>
+  return %0 : vector<2x2xf32>
+}
+
+func @transfer_read_minor_identity(%A : memref<?x?x?x?xf32>) -> vector<3x3xf32> {
+  %c0 = constant 0 : index
+  %f0 = constant 0.0 : f32
+  %0 = vector.transfer_read %A[%c0, %c0, %c0, %c0], %f0
+    { permutation_map = affine_map<(d0, d1, d2, d3) -> (d2, d3)> }
+      : memref<?x?x?x?xf32>, vector<3x3xf32>
+  return %0 : vector<3x3xf32>
+}
+
+// CHECK-LABEL: transfer_read_minor_identity(
+//  CHECK-SAME: %[[A:.*]]: memref<?x?x?x?xf32>) -> vector<3x3xf32>
+//  CHECK-DAG:    %[[c0:.*]] = constant 0 : index
+//  CHECK-DAG:    %[[c1:.*]] = constant 1 : index
+//  CHECK-DAG:    %[[c2:.*]] = constant 2 : index
+//  CHECK-DAG:    %[[c3:.*]] = constant 3 : index
+//  CHECK-DAG:    %[[f0:.*]] = constant 0.000000e+00 : f32
+//  CHECK-DAG:    %[[cst0:.*]] = constant dense<0.000000e+00> : vector<3xf32>
+//  CHECK:        %[[m:.*]] = memref.alloca() : memref<vector<3x3xf32>>
+//  CHECK:        %[[cast:.*]] = vector.type_cast %[[m]] : memref<vector<3x3xf32>> to memref<3xvector<3xf32>>
+//  CHECK:        scf.for %[[arg1:.*]] = %[[c0]] to %[[c3]]
+//  CHECK:          %[[d:.*]] = memref.dim %[[A]], %[[c2]] : memref<?x?x?x?xf32>
+//  CHECK:          %[[cmp:.*]] = cmpi sgt, %[[d]], %[[arg1]] : index
+//  CHECK:          scf.if %[[cmp]] {
+//  CHECK:            %[[tr:.*]] = vector.transfer_read %[[A]][%c0, %c0, %[[arg1]], %c0], %[[f0]] : memref<?x?x?x?xf32>, vector<3xf32>
+//  CHECK:            memref.store %[[tr]], %[[cast]][%[[arg1]]] : memref<3xvector<3xf32>>
+//  CHECK:          } else {
+//  CHECK:            memref.store %[[cst0]], %[[cast]][%[[arg1]]] : memref<3xvector<3xf32>>
+//  CHECK:          }
+//  CHECK:        }
+//  CHECK:        %[[ret:.*]]  = memref.load %[[m]][] : memref<vector<3x3xf32>>
+//  CHECK:        return %[[ret]] : vector<3x3xf32>
+
+func @transfer_write_minor_identity(%A : vector<3x3xf32>, %B : memref<?x?x?x?xf32>) {
+  %c0 = constant 0 : index
+  %f0 = constant 0.0 : f32
+  vector.transfer_write %A, %B[%c0, %c0, %c0, %c0]
+    { permutation_map = affine_map<(d0, d1, d2, d3) -> (d2, d3)> }
+      : vector<3x3xf32>, memref<?x?x?x?xf32>
+  return
+}
+
+// CHECK-LABEL: transfer_write_minor_identity(
+// CHECK-SAME:      %[[A:.*]]: vector<3x3xf32>,
+// CHECK-SAME:      %[[B:.*]]: memref<?x?x?x?xf32>)
+// CHECK-DAG:     %[[c0:.*]] = constant 0 : index
+// CHECK-DAG:     %[[c1:.*]] = constant 1 : index
+// CHECK-DAG:     %[[c2:.*]] = constant 2 : index
+// CHECK-DAG:     %[[c3:.*]] = constant 3 : index
+// CHECK:         %[[m:.*]] = memref.alloca() : memref<vector<3x3xf32>>
+// CHECK:         memref.store %[[A]], %[[m]][] : memref<vector<3x3xf32>>
+// CHECK:         %[[cast:.*]] = vector.type_cast %[[m]] : memref<vector<3x3xf32>> to memref<3xvector<3xf32>>
+// CHECK:         scf.for %[[arg2:.*]] = %[[c0]] to %[[c3]]
+// CHECK:           %[[d:.*]] = memref.dim %[[B]], %[[c2]] : memref<?x?x?x?xf32>
+// CHECK:           %[[cmp:.*]] = cmpi sgt, %[[d]], %[[arg2]] : index
+// CHECK:           scf.if %[[cmp]] {
+// CHECK:             %[[tmp:.*]] = memref.load %[[cast]][%[[arg2]]] : memref<3xvector<3xf32>>
+// CHECK:             vector.transfer_write %[[tmp]], %[[B]][%[[c0]], %[[c0]], %[[arg2]], %[[c0]]] : vector<3xf32>, memref<?x?x?x?xf32>
+// CHECK:           }
+// CHECK:         }
+// CHECK:         return
+
+
+// -----
+
+func @transfer_read_strided(%A : memref<8x4xf32, affine_map<(d0, d1) -> (d0 + d1 * 8)>>) -> vector<4xf32> {
+  %c0 = constant 0 : index
+  %f0 = constant 0.0 : f32
+  %0 = vector.transfer_read %A[%c0, %c0], %f0
+      : memref<8x4xf32, affine_map<(d0, d1) -> (d0 + d1 * 8)>>, vector<4xf32>
+  return %0 : vector<4xf32>
+}
+
+// CHECK-LABEL: transfer_read_strided(
+// CHECK: scf.for
+// CHECK: memref.load
+
+func @transfer_write_strided(%A : vector<4xf32>, %B : memref<8x4xf32, affine_map<(d0, d1) -> (d0 + d1 * 8)>>) {
+  %c0 = constant 0 : index
+  vector.transfer_write %A, %B[%c0, %c0] :
+    vector<4xf32>, memref<8x4xf32, affine_map<(d0, d1) -> (d0 + d1 * 8)>>
+  return
+}
+
+// CHECK-LABEL: transfer_write_strided(
+// CHECK: scf.for
+// CHECK: store
+