| // RUN: mlir-opt -split-input-file -test-vector-break-down-bitcast %s | FileCheck %s |
| |
| // CHECK-LABEL: func.func @bitcast_f16_to_f32 |
| // CHECK-SAME: (%[[INPUT:.+]]: vector<8xf16>) |
| func.func @bitcast_f16_to_f32(%input: vector<8xf16>) -> vector<4xf32> { |
| %0 = vector.bitcast %input : vector<8xf16> to vector<4xf32> |
| return %0: vector<4xf32> |
| } |
| |
| // CHECK: %[[INIT:.+]] = arith.constant dense<0.000000e+00> : vector<4xf32> |
| // CHECK: %[[EXTRACT0:.+]] = vector.extract_strided_slice %[[INPUT]] {offsets = [0], sizes = [4], strides = [1]} : vector<8xf16> to vector<4xf16> |
| // CHECK: %[[CAST0:.+]] = vector.bitcast %[[EXTRACT0]] : vector<4xf16> to vector<2xf32> |
| // CHECK: %[[INSERT0:.+]] = vector.insert_strided_slice %[[CAST0]], %[[INIT]] {offsets = [0], strides = [1]} : vector<2xf32> into vector<4xf32> |
| // CHECK: %[[EXTRACT1:.+]] = vector.extract_strided_slice %[[INPUT]] {offsets = [4], sizes = [4], strides = [1]} : vector<8xf16> to vector<4xf16> |
| // CHECK: %[[CAST1:.+]] = vector.bitcast %[[EXTRACT1]] : vector<4xf16> to vector<2xf32> |
| // CHECK: %[[INSERT1:.+]] = vector.insert_strided_slice %[[CAST1]], %[[INSERT0]] {offsets = [2], strides = [1]} : vector<2xf32> into vector<4xf32> |
| // CHECK: return %[[INSERT1]] |
| |
| // ----- |
| |
| // CHECK-LABEL: func.func @bitcast_i8_to_i32 |
| // CHECK-SAME: (%[[INPUT:.+]]: vector<16xi8>) |
| func.func @bitcast_i8_to_i32(%input: vector<16xi8>) -> vector<4xi32> { |
| %0 = vector.bitcast %input : vector<16xi8> to vector<4xi32> |
| return %0: vector<4xi32> |
| } |
| |
| // CHECK: %[[INIT:.+]] = arith.constant dense<0> : vector<4xi32> |
| // CHECK: %[[EXTRACT0:.+]] = vector.extract_strided_slice %[[INPUT]] {offsets = [0], sizes = [4], strides = [1]} : vector<16xi8> to vector<4xi8> |
| // CHECK: %[[CAST0:.+]] = vector.bitcast %[[EXTRACT0]] : vector<4xi8> to vector<1xi32> |
| // CHECK: %[[INSERT0:.+]] = vector.insert_strided_slice %[[CAST0]], %[[INIT]] {offsets = [0], strides = [1]} : vector<1xi32> into vector<4xi32> |
| // CHECK: %[[EXTRACT1:.+]] = vector.extract_strided_slice %[[INPUT]] {offsets = [4], sizes = [4], strides = [1]} : vector<16xi8> to vector<4xi8> |
| // CHECK: %[[CAST1:.+]] = vector.bitcast %[[EXTRACT1]] : vector<4xi8> to vector<1xi32> |
| // CHECK: %[[INSERT1:.+]] = vector.insert_strided_slice %[[CAST1]], %[[INSERT0]] {offsets = [1], strides = [1]} : vector<1xi32> into vector<4xi32> |
| // CHECK: %[[EXTRACT2:.+]] = vector.extract_strided_slice %[[INPUT]] {offsets = [8], sizes = [4], strides = [1]} : vector<16xi8> to vector<4xi8> |
| // CHECK: %[[CAST2:.+]] = vector.bitcast %[[EXTRACT2]] : vector<4xi8> to vector<1xi32> |
| // CHECK: %[[INSERT2:.+]] = vector.insert_strided_slice %[[CAST2]], %[[INSERT1]] {offsets = [2], strides = [1]} : vector<1xi32> into vector<4xi32> |
| // CHECK: %[[EXTRACT3:.+]] = vector.extract_strided_slice %[[INPUT]] {offsets = [12], sizes = [4], strides = [1]} : vector<16xi8> to vector<4xi8> |
| // CHECK: %[[CAST3:.+]] = vector.bitcast %[[EXTRACT3]] : vector<4xi8> to vector<1xi32> |
| // CHECK: %[[INSERT3:.+]] = vector.insert_strided_slice %[[CAST3]], %[[INSERT2]] {offsets = [3], strides = [1]} : vector<1xi32> into vector<4xi32> |
| // CHECK: return %[[INSERT3]] |
