xref: /llvm-project/mlir/test/Conversion/VectorToLLVM/vector-scalable-memcpy.mlir (revision 13d983e730297ad454d53a0a97e1f72499b489f1)
1// RUN: mlir-opt %s -convert-vector-to-llvm | mlir-opt | FileCheck %s
2
3// CHECK: vector_scalable_memcopy([[SRC:%arg[0-9]+]]: memref<?xf32>, [[DST:%arg[0-9]+]]
4func.func @vector_scalable_memcopy(%src : memref<?xf32>, %dst : memref<?xf32>, %size : index) {
5  %c0 = arith.constant 0 : index
6  %c4 = arith.constant 4 : index
7  %vs = vector.vscale
8  %step = arith.muli %c4, %vs : index
9  // CHECK-DAG: [[SRCMRS:%[0-9]+]] = builtin.unrealized_conversion_cast [[SRC]] : memref<?xf32> to !llvm.struct<(ptr
10  // CHECK-DAG: [[DSTMRS:%[0-9]+]] = builtin.unrealized_conversion_cast [[DST]] : memref<?xf32> to !llvm.struct<(ptr
11  // CHECK: scf.for [[LOOPIDX:%arg[0-9]+]] = {{.*}}
12  scf.for %i0 = %c0 to %size step %step {
13    // CHECK: [[DATAIDX:%[0-9]+]] = builtin.unrealized_conversion_cast [[LOOPIDX]] : index to i64
14    // CHECK: [[SRCMEM:%[0-9]+]] = llvm.extractvalue [[SRCMRS]][1] : !llvm.struct<(ptr
15    // CHECK-NEXT: [[SRCPTR:%[0-9]+]] = llvm.getelementptr [[SRCMEM]]{{.}}[[DATAIDX]]{{.}} : (!llvm.ptr, i64) -> !llvm.ptr, f32
16    // CHECK-NEXT: [[LDVAL:%[0-9]+]] = llvm.load [[SRCPTR]]{{.*}}: !llvm.ptr -> vector<[4]xf32>
17    %0 = vector.load %src[%i0] : memref<?xf32>, vector<[4]xf32>
18    // CHECK: [[DSTMEM:%[0-9]+]] = llvm.extractvalue [[DSTMRS]][1] : !llvm.struct<(ptr
19    // CHECK-NEXT: [[DSTPTR:%[0-9]+]] = llvm.getelementptr [[DSTMEM]]{{.}}[[DATAIDX]]{{.}} : (!llvm.ptr, i64) -> !llvm.ptr, f32
20    // CHECK-NEXT: llvm.store [[LDVAL]], [[DSTPTR]]{{.*}}: vector<[4]xf32>, !llvm.ptr
21    vector.store %0, %dst[%i0] : memref<?xf32>, vector<[4]xf32>
22  }
23
24  return
25}
26