// RUN: mlir-opt %s -test-vector-unrolling-patterns=unroll-based-on-type | FileCheck %s
// RUN: mlir-opt %s -test-vector-unrolling-patterns="unroll-based-on-type unroll-order=2,0,1" | FileCheck %s --check-prefix=ORDER
// RUN: mlir-opt %s -test-vector-unrolling-patterns="unroll-based-on-type unroll-order=0,3,1,2" | FileCheck %s --check-prefix=BATCHED
func.func @vector_contract_f32(%lhs : vector<8x4xf32>, %rhs : vector<8x4xf32>,
%init : vector<8x8xf32>) -> vector<8x8xf32> {
%0 = vector.contract
{indexing_maps = [affine_map<(i, j, k) -> (i, k)>,
affine_map<(i, j, k) -> (j, k)>,
affine_map<(i, j, k) -> (i, j)>],
iterator_types = ["parallel", "parallel", "reduction"]}
%lhs, %rhs, %init : vector<8x4xf32>, vector<8x4xf32> into vector<8x8xf32>
return %0 : vector<8x8xf32>
}
// CHECK-LABEL: func @vector_contract_f32
// CHECK-SAME: [[arg0:%.+]]: vector<8x4xf32>, [[arg1:%.+]]: vector<8x4xf32>, [[arg2:%.+]]: vector<8x8xf32>
// CHECK: [[a:%.+]] = vector.extract_strided_slice [[arg0]]
// CHECK-SAME: offsets = [0, 0]
// CHECK: [[b:%.+]] = vector.extract_strided_slice [[arg1]]
// CHECK-SAME: offsets = [0, 0]
// CHECK: [[c:%.+]] = vector.extract_strided_slice [[arg2]]
// CHECK-SAME: offsets = [0, 0]
// CHECK: [[accum1:%.+]] = vector.contract {{{.*}}} [[a]], [[b]], [[c]]
// CHECK-SAME: vector<4x2xf32>, vector<4x2xf32> into vector<4x4xf32>
// CHECK: [[a:%.+]] = vector.extract_strided_slice [[arg0]]
// CHECK-SAME: offsets = [0, 2]
// CHECK: [[b:%.+]] = vector.extract_strided_slice [[arg1]]
// CHECK-SAME: offsets = [0, 2]
// CHECK: [[accum2:%.+]] = vector.contract {{{.*}}} [[a]], [[b]], [[accum1]]
// CHECK-SAME: vector<4x2xf32>, vector<4x2xf32> into vector<4x4xf32>
// CHECK: [[a:%.+]] = vector.extract_strided_slice [[arg0]]
// CHECK-SAME: offsets = [0, 0]
// CHECK: [[b:%.+]] = vector.extract_strided_slice [[arg1]]
// CHECK-SAME: offsets = [4, 0]
// CHECK: [[c:%.+]] = vector.extract_strided_slice [[arg2]]
// CHECK-SAME: offsets = [0, 4]
// CHECK: [[accum3:%.+]] = vector.contract {{{.*}}} [[a]], [[b]], [[c]]
// CHECK-SAME: vector<4x2xf32>, vector<4x2xf32> into vector<4x4xf32>
// CHECK: [[a:%.+]] = vector.extract_strided_slice [[arg0]]
// CHECK-SAME: offsets = [0, 2]
// CHECK: [[b:%.+]] = vector.extract_strided_slice [[arg1]]
// CHECK-SAME: offsets = [4, 2]
// CHECK: [[accum4:%.+]] = vector.contract {{{.*}}} [[a]], [[b]], [[accum3]]
// CHECK-SAME: vector<4x2xf32>, vector<4x2xf32> into vector<4x4xf32>
// CHECK: [[a:%.+]] = vector.extract_strided_slice [[arg0]]
// CHECK-SAME: offsets = [4, 0]
// CHECK: [[b:%.+]] = vector.extract_strided_slice [[arg1]]
// CHECK-SAME: offsets = [0, 0]
// CHECK: [[c:%.+]] = vector.extract_strided_slice [[arg2]]
// CHECK-SAME: offsets = [4, 0]
// CHECK: [[accum5:%.+]] = vector.contract {{{.*}}} [[a]], [[b]], [[c]]
// CHECK-SAME: vector<4x2xf32>, vector<4x2xf32> into vector<4x4xf32>
// CHECK: [[a:%.+]] = vector.extract_strided_slice [[arg0]]
// CHECK-SAME: offsets = [4, 2]
// CHECK: [[b:%.+]] = vector.extract_strided_slice [[arg1]]
// CHECK-SAME: offsets = [0, 2]
// CHECK: [[accum6:%.+]] = vector.contract {{{.*}}} [[a]], [[b]], [[accum5]]
// CHECK-SAME: vector<4x2xf32>, vector<4x2xf32> into vector<4x4xf32>
// CHECK: [[a:%.+]] = vector.extract_strided_slice [[arg0]]
// CHECK-SAME: offsets = [4, 0]
// CHECK: [[b:%.+]] = vector.extract_strided_slice [[arg1]]
// CHECK-SAME: offsets = [4, 0]
// CHECK: [[c:%.+]] = vector.extract_strided_slice [[arg2]]
// CHECK-SAME: offsets = [4, 4]
// CHECK: [[accum7:%.+]] = vector.contract {{{.*}}} [[a]], [[b]], [[c]]
// CHECK-SAME: vector<4x2xf32>, vector<4x2xf32> into vector<4x4xf32>
// CHECK: [[a:%.+]] = vector.extract_strided_slice [[arg0]]
// CHECK-SAME: offsets = [4, 2]
// CHECK: [[b:%.+]] = vector.extract_strided_slice [[arg1]]
// CHECK-SAME: offsets = [4, 2]
// CHECK: [[accum8:%.+]] = vector.contract {{{.*}}} [[a]], [[b]], [[accum7]]
// CHECK-SAME: vector<4x2xf32>, vector<4x2xf32> into vector<4x4xf32>
// CHECK: return
// ORDER-LABEL: func @vector_contract_f32
// ORDER-SAME: [[arg0:%.+]]: vector<8x4xf32>, [[arg1:%.+]]: vector<8x4xf32>, [[arg2:%.+]]: vector<8x8xf32>
// ORDER: [[a:%.+]] = vector.extract_strided_slice [[arg0]]
// ORDER-SAME: offsets = [0, 0]
// ORDER: [[b:%.+]] = vector.extract_strided_slice [[arg1]]
// ORDER-SAME: offsets = [0, 0]
// ORDER: [[c:%.+]] = vector.extract_strided_slice [[arg2]]
// ORDER-SAME: offsets = [0, 0]
// ORDER: [[accum1:%.+]] = vector.contract {{{.*}}} [[a]], [[b]], [[c]]
// ORDER-SAME: vector<4x2xf32>, vector<4x2xf32> into vector<4x4xf32>
// ORDER: [[a:%.+]] = vector.extract_strided_slice [[arg0]]
// ORDER-SAME: offsets = [0, 0]
// ORDER: [[b:%.+]] = vector.extract_strided_slice [[arg1]]
// ORDER-SAME: offsets = [4, 0]
// ORDER: [[c:%.+]] = vector.extract_strided_slice [[arg2]]
// ORDER-SAME: offsets = [0, 4]
// ORDER: [[accum2:%.+]] = vector.contract {{{.*}}} [[a]], [[b]], [[c]]
// ORDER-SAME: vector<4x2xf32>, vector<4x2xf32> into vector<4x4xf32>
// ORDER: [[a:%.+]] = vector.extract_strided_slice [[arg0]]
// ORDER-SAME: offsets = [4, 0]
// ORDER: [[b:%.+]] = vector.extract_strided_slice [[arg1]]
// ORDER-SAME: offsets = [0, 0]
// ORDER: [[c:%.+]] = vector.extract_strided_slice [[arg2]]
// ORDER-SAME: offsets = [4, 0]
// ORDER: [[accum3:%.+]] = vector.contract {{{.*}}} [[a]], [[b]], [[c]]
// ORDER-SAME: vector<4x2xf32>, vector<4x2xf32> into vector<4x4xf32>
// ORDER: [[a:%.+]] = vector.extract_strided_slice [[arg0]]
// ORDER-SAME: offsets = [4, 0]
// ORDER: [[b:%.+]] = vector.extract_strided_slice [[arg1]]
// ORDER-SAME: offsets = [4, 0]
// ORDER: [[c:%.+]] = vector.extract_strided_slice [[arg2]]
// ORDER-SAME: offsets = [4, 4]
// ORDER: [[accum4:%.+]] = vector.contract {{{.*}}} [[a]], [[b]], [[c]]
// ORDER-SAME: vector<4x2xf32>, vector<4x2xf32> into vector<4x4xf32>
// ORDER: [[a:%.+]] = vector.extract_strided_slice [[arg0]]
// ORDER-SAME: offsets = [0, 2]
// ORDER: [[b:%.+]] = vector.extract_strided_slice [[arg1]]
// ORDER-SAME: offsets = [0, 2]
// ORDER: [[accum5:%.+]] = vector.contract {{{.*}}} [[a]], [[b]], [[accum1]]
// ORDER-SAME: vector<4x2xf32>, vector<4x2xf32> into vector<4x4xf32>
// ORDER: [[a:%.+]] = vector.extract_strided_slice [[arg0]]
// ORDER-SAME: offsets = [0, 2]
// ORDER: [[b:%.+]] = vector.extract_strided_slice [[arg1]]
// ORDER-SAME: offsets = [4, 2]
// ORDER: [[accum6:%.+]] = vector.contract {{{.*}}} [[a]], [[b]], [[accum2]]
// ORDER-SAME: vector<4x2xf32>, vector<4x2xf32> into vector<4x4xf32>
// ORDER: [[a:%.+]] = vector.extract_strided_slice [[arg0]]
// ORDER-SAME: offsets = [4, 2]
// ORDER: [[b:%.+]] = vector.extract_strided_slice [[arg1]]
// ORDER-SAME: offsets = [0, 2]
// ORDER: [[accum7:%.+]] = vector.contract {{{.*}}} [[a]], [[b]], [[accum3]]
// ORDER-SAME: vector<4x2xf32>, vector<4x2xf32> into vector<4x4xf32>
// ORDER: [[a:%.+]] = vector.extract_strided_slice [[arg0]]
// ORDER-SAME: offsets = [4, 2]
// ORDER: [[b:%.+]] = vector.extract_strided_slice [[arg1]]
// ORDER-SAME: offsets = [4, 2]
// ORDER: [[accum8:%.+]] = vector.contract {{{.*}}} [[a]], [[b]], [[accum4]]
// ORDER-SAME: vector<4x2xf32>, vector<4x2xf32> into vector<4x4xf32>
// ORDER: return
func.func @vector_contract_f16(%lhs : vector<8x8xf16>, %rhs : vector<8x8xf16>,
%init : vector<8x8xf16>) -> vector<8x8xf16> {
%0 = vector.contract
{indexing_maps = [affine_map<(i, j, k) -> (i, k)>,
affine_map<(i, j, k) -> (j, k)>,
affine_map<(i, j, k) -> (i, j)>],
iterator_types = ["parallel", "parallel", "reduction"]}
%lhs, %rhs, %init : vector<8x8xf16>, vector<8x8xf16> into vector<8x8xf16>
return %0 : vector<8x8xf16>
}
// CHECK-LABEL: func @vector_contract_f16
// CHECK: vector.contract {
// CHECK-SAME: vector<4x4xf16>, vector<4x4xf16> into vector<4x4xf16>
// CHECK: vector.contract {
// CHECK-SAME: vector<4x4xf16>, vector<4x4xf16> into vector<4x4xf16>
// CHECK: vector.contract {
// CHECK-SAME: vector<4x4xf16>, vector<4x4xf16> into vector<4x4xf16>
// CHECK: vector.contract {
// CHECK-SAME: vector<4x4xf16>, vector<4x4xf16> into vector<4x4xf16>
// CHECK: vector.contract {
// CHECK-SAME: vector<4x4xf16>, vector<4x4xf16> into vector<4x4xf16>
// CHECK: vector.contract {
// CHECK-SAME: vector<4x4xf16>, vector<4x4xf16> into vector<4x4xf16>
// CHECK: vector.contract {
// CHECK-SAME: vector<4x4xf16>, vector<4x4xf16> into vector<4x4xf16>
// CHECK: vector.contract {
// CHECK-SAME: vector<4x4xf16>, vector<4x4xf16> into vector<4x4xf16>
// CHECK: return
func.func @vector_fma(%a: vector<4x4xf32>, %b: vector<4x4xf32>, %c: vector<4x4xf32>) -> vector<4x4xf32> {
%0 = vector.fma %a, %b, %c: vector<4x4xf32>
return %0 : vector<4x4xf32>
}
// CHECK-LABEL: func @vector_fma
// CHECK-COUNT-4: vector.fma %{{.+}}, %{{.+}}, %{{.+}} : vector<2x2xf32>
func.func @vector_multi_reduction(%v : vector<4x6xf32>, %acc: vector<4xf32>) -> vector<4xf32> {
%0 = vector.multi_reduction #vector.kind<add>, %v, %acc [1] : vector<4x6xf32> to vector<4xf32>
return %0 : vector<4xf32>
}
// CHECK-LABEL: func @vector_multi_reduction
// CHECK: %[[V0:.*]] = arith.constant dense<0.000000e+00> : vector<4xf32>
// CHECK: %[[E0:.*]] = vector.extract_strided_slice %{{.*}} {offsets = [0, 0], sizes = [2, 2], strides = [1, 1]} : vector<4x6xf32> to vector<2x2xf32>
// CHECK: %[[ACC0:.*]] = vector.extract_strided_slice %{{.*}} {offsets = [0], sizes = [2], strides = [1]} : vector<4xf32> to vector<2xf32>
// CHECK: %[[R0:.*]] = vector.multi_reduction <add>, %[[E0]], %[[ACC0]] [1] : vector<2x2xf32> to vector<2xf32>
// CHECK: %[[E1:.*]] = vector.extract_strided_slice %{{.*}} {offsets = [0, 2], sizes = [2, 2], strides = [1, 1]} : vector<4x6xf32> to vector<2x2xf32>
// CHECK: %[[R1:.*]] = vector.multi_reduction <add>, %[[E1]], %[[R0]] [1] : vector<2x2xf32> to vector<2xf32>
// CHECK: %[[E2:.*]] = vector.extract_strided_slice %{{.*}} {offsets = [0, 4], sizes = [2, 2], strides = [1, 1]} : vector<4x6xf32> to vector<2x2xf32>
// CHECK: %[[R2:.*]] = vector.multi_reduction <add>, %[[E2]], %[[R1]] [1] : vector<2x2xf32> to vector<2xf32>
// CHECK: %[[E3:.*]] = vector.extract_strided_slice %{{.*}} {offsets = [2, 0], sizes = [2, 2], strides = [1, 1]} : vector<4x6xf32> to vector<2x2xf32>
// CHECK: %[[ACC1:.*]] = vector.extract_strided_slice %{{.*}} {offsets = [2], sizes = [2], strides = [1]} : vector<4xf32> to vector<2xf32>
// CHECK: %[[R3:.*]] = vector.multi_reduction <add>, %[[E3]], %[[ACC1]] [1] : vector<2x2xf32> to vector<2xf32>
// CHECK: %[[E4:.*]] = vector.extract_strided_slice %{{.*}} {offsets = [2, 2], sizes = [2, 2], strides = [1, 1]} : vector<4x6xf32> to vector<2x2xf32>
// CHECK: %[[R4:.*]] = vector.multi_reduction <add>, %[[E4]], %[[R3]] [1] : vector<2x2xf32> to vector<2xf32>
// CHECK: %[[E5:.*]] = vector.extract_strided_slice %{{.*}} {offsets = [2, 4], sizes = [2, 2], strides = [1, 1]} : vector<4x6xf32> to vector<2x2xf32>
// CHECK: %[[R5:.*]] = vector.multi_reduction <add>, %[[E5]], %[[R4]] [1] : vector<2x2xf32> to vector<2xf32>
// CHECK: %[[V1:.*]] = vector.insert_strided_slice %[[R2]], %[[V0]] {offsets = [0], strides = [1]} : vector<2xf32> into vector<4xf32>
// CHECK: %[[V2:.*]] = vector.insert_strided_slice %[[R5]], %[[V1]] {offsets = [2], strides = [1]} : vector<2xf32> into vector<4xf32>
// CHECK: return %[[V2]] : vector<4xf32>
func.func @vector_reduction(%v : vector<8xf32>) -> f32 {
%0 = vector.reduction <add>, %v : vector<8xf32> into f32
return %0 : f32
}
// CHECK-LABEL: func @vector_reduction(
// CHECK-SAME: %[[v:.*]]: vector<8xf32>
// CHECK: %[[s0:.*]] = vector.extract_strided_slice %[[v]] {offsets = [0], sizes = [2]
// CHECK: %[[r0:.*]] = vector.reduction <add>, %[[s0]]
// CHECK: %[[s1:.*]] = vector.extract_strided_slice %[[v]] {offsets = [2], sizes = [2]
// CHECK: %[[r1:.*]] = vector.reduction <add>, %[[s1]]
// CHECK: %[[add1:.*]] = arith.addf %[[r0]], %[[r1]]
// CHECK: %[[s2:.*]] = vector.extract_strided_slice %[[v]] {offsets = [4], sizes = [2]
// CHECK: %[[r2:.*]] = vector.reduction <add>, %[[s2]]
// CHECK: %[[add2:.*]] = arith.addf %[[add1]], %[[r2]]
// CHECK: %[[s3:.*]] = vector.extract_strided_slice %[[v]] {offsets = [6], sizes = [2]
// CHECK: %[[r3:.*]] = vector.reduction <add>, %[[s3]]
// CHECK: %[[add3:.*]] = arith.addf %[[add2]], %[[r3]]
// CHECK: return %[[add3]]
func.func @vector_tranpose(%v : vector<2x4x3x8xf32>) -> vector<2x3x8x4xf32> {
%t = vector.transpose %v, [0, 2, 3, 1] : vector<2x4x3x8xf32> to vector<2x3x8x4xf32>
return %t : vector<2x3x8x4xf32>
}
// CHECK-LABEL: func @vector_tranpose
// CHECK: %[[VI:.*]] = arith.constant dense<0.000000e+00> : vector<2x3x8x4xf32>
// CHECK: %[[E0:.*]] = vector.extract_strided_slice %{{.*}} {offsets = [0, 0, 0, 0], sizes = [1, 2, 3, 4], strides = [1, 1, 1, 1]} : vector<2x4x3x8xf32> to vector<1x2x3x4xf32>
// CHECK: %[[T0:.*]] = vector.transpose %[[E0]], [0, 2, 3, 1] : vector<1x2x3x4xf32> to vector<1x3x4x2xf32>
// CHECK: %[[V0:.*]] = vector.insert_strided_slice %[[T0]], %[[VI]] {offsets = [0, 0, 0, 0], strides = [1, 1, 1, 1]} : vector<1x3x4x2xf32> into vector<2x3x8x4xf32>
// CHECK: %[[E1:.*]] = vector.extract_strided_slice %{{.*}} {offsets = [0, 2, 0, 0], sizes = [1, 2, 3, 4], strides = [1, 1, 1, 1]} : vector<2x4x3x8xf32> to vector<1x2x3x4xf32>
// CHECK: %[[T1:.*]] = vector.transpose %[[E1]], [0, 2, 3, 1] : vector<1x2x3x4xf32> to vector<1x3x4x2xf32>
// CHECK: %[[V1:.*]] = vector.insert_strided_slice %[[T1]], %[[V0]] {offsets = [0, 0, 0, 2], strides = [1, 1, 1, 1]} : vector<1x3x4x2xf32> into vector<2x3x8x4xf32>
// CHECK: %[[E2:.*]] = vector.extract_strided_slice %{{.*}} {offsets = [0, 0, 0, 4], sizes = [1, 2, 3, 4], strides = [1, 1, 1, 1]} : vector<2x4x3x8xf32> to vector<1x2x3x4xf32>
// CHECK: %[[T2:.*]] = vector.transpose %[[E2]], [0, 2, 3, 1] : vector<1x2x3x4xf32> to vector<1x3x4x2xf32>
// CHECK: %[[V2:.*]] = vector.insert_strided_slice %[[T2]], %[[V1]] {offsets = [0, 0, 4, 0], strides = [1, 1, 1, 1]} : vector<1x3x4x2xf32> into vector<2x3x8x4xf32>
// CHECK: %[[E3:.*]] = vector.extract_strided_slice %{{.*}} {offsets = [0, 2, 0, 4], sizes = [1, 2, 3, 4], strides = [1, 1, 1, 1]} : vector<2x4x3x8xf32> to vector<1x2x3x4xf32>
// CHECK: %[[T3:.*]] = vector.transpose %[[E3]], [0, 2, 3, 1] : vector<1x2x3x4xf32> to vector<1x3x4x2xf32>
// CHECK: %[[V3:.*]] = vector.insert_strided_slice %[[T3]], %[[V2]] {offsets = [0, 0, 4, 2], strides = [1, 1, 1, 1]} : vector<1x3x4x2xf32> into vector<2x3x8x4xf32>
// CHECK: %[[E4:.*]] = vector.extract_strided_slice %{{.*}} {offsets = [1, 0, 0, 0], sizes = [1, 2, 3, 4], strides = [1, 1, 1, 1]} : vector<2x4x3x8xf32> to vector<1x2x3x4xf32>
// CHECK: %[[T4:.*]] = vector.transpose %[[E4]], [0, 2, 3, 1] : vector<1x2x3x4xf32> to vector<1x3x4x2xf32>
// CHECK: %[[V4:.*]] = vector.insert_strided_slice %[[T4]], %[[V3]] {offsets = [1, 0, 0, 0], strides = [1, 1, 1, 1]} : vector<1x3x4x2xf32> into vector<2x3x8x4xf32>
// CHECK: %[[E5:.*]] = vector.extract_strided_slice %{{.*}} {offsets = [1, 2, 0, 0], sizes = [1, 2, 3, 4], strides = [1, 1, 1, 1]} : vector<2x4x3x8xf32> to vector<1x2x3x4xf32>
// CHECK: %[[T5:.*]] = vector.transpose %[[E5]], [0, 2, 3, 1] : vector<1x2x3x4xf32> to vector<1x3x4x2xf32>
// CHECK: %[[V5:.*]] = vector.insert_strided_slice %[[T5]], %[[V4]] {offsets = [1, 0, 0, 2], strides = [1, 1, 1, 1]} : vector<1x3x4x2xf32> into vector<2x3x8x4xf32>
// CHECK: %[[E6:.*]] = vector.extract_strided_slice %{{.*}} {offsets = [1, 0, 0, 4], sizes = [1, 2, 3, 4], strides = [1, 1, 1, 1]} : vector<2x4x3x8xf32> to vector<1x2x3x4xf32>
// CHECK: %[[T6:.*]] = vector.transpose %[[E6]], [0, 2, 3, 1] : vector<1x2x3x4xf32> to vector<1x3x4x2xf32>
// CHECK: %[[V6:.*]] = vector.insert_strided_slice %[[T6]], %[[V5]] {offsets = [1, 0, 4, 0], strides = [1, 1, 1, 1]} : vector<1x3x4x2xf32> into vector<2x3x8x4xf32>
// CHECK: %[[E7:.*]] = vector.extract_strided_slice %{{.*}} {offsets = [1, 2, 0, 4], sizes = [1, 2, 3, 4], strides = [1, 1, 1, 1]} : vector<2x4x3x8xf32> to vector<1x2x3x4xf32>
// CHECK: %[[T7:.*]] = vector.transpose %[[E7]], [0, 2, 3, 1] : vector<1x2x3x4xf32> to vector<1x3x4x2xf32>
// CHECK: %[[V7:.*]] = vector.insert_strided_slice %[[T7]], %[[V6]] {offsets = [1, 0, 4, 2], strides = [1, 1, 1, 1]} : vector<1x3x4x2xf32> into vector<2x3x8x4xf32>
// CHECK: return %[[V7]] : vector<2x3x8x4xf32>
// -----
func.func @vector_contract_batched(%lhs: vector<8x8x4xf32>, %rhs: vector<8x8x4xf32>, %init: vector<8x8x8xf32>) -> vector<8x8x8xf32> {
%0 = vector.contract
{indexing_maps = [affine_map<(d0,d1,d2,c0) -> (d0,d1,c0)>,
affine_map<(d0,d1,d2,c0) -> (d0,d2,c0)>,
affine_map<(d0,d1,d2,c0) -> (d0,d1,d2)>],
iterator_types = ["parallel", "parallel", "parallel", "reduction"]}
%lhs, %rhs, %init : vector<8x8x4xf32>, vector<8x8x4xf32> into vector<8x8x8xf32>
return %0 : vector<8x8x8xf32>
}
// CHECK-LABEL: vector_contract_batched
// CHECK-COUNT-16: vector.contract
// CHECK-NOT: vector.contract
// CHECK: return
// UNROLL-LABEL: vector_contract_batched
// UNROLL-COUNT-1: vector.contract
// UNROLL-NOT: vector.contract
// UNROLL: return
// BATCHED-LABEL: vector_contract_batched
// BATCHED-COUNT-16: vector.contract
// BATCHED-NOT: vector.contract
// BATCHED: return
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