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Update hamming_distance test to use rotate-and-reduce #560

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Update hamming_distance test to use rotate-and-reduce #560

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16 changes: 4 additions & 12 deletions tests/simd/hamming_distance.mlir
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@@ -1,22 +1,14 @@
// RUN: heir-opt --secretize=entry-function=hamming --wrap-generic --canonicalize --cse \
// RUN: --full-loop-unroll --cse --canonicalize --insert-rotate --cse --canonicalize \
// RUN: --full-loop-unroll --cse --canonicalize --insert-rotate --cse --canonicalize --rotate-and-reduce --cse --canonicalize \
// RUN: %s | FileCheck %s

// CHECK-LABEL: @hamming
// CHECK: secret.generic
// CHECK: arith.subi
// CHECK-NEXT: arith.muli
// CHECK-NEXT: tensor_ext.rotate
// CHECK-NEXT: arith.addi
// CHECK-NEXT: tensor_ext.rotate
// CHECK-NEXT: arith.addi
// CHECK-NEXT: tensor_ext.rotate
// CHECK-NEXT: arith.addi
// CHECK-NEXT: tensor.extract
// CHECK-NEXT: secret.yield

// TODO(#521): support rotate-and-reduce when the input is already a series of incremental rotations,
// as this IR is currently lowered to 4-1 rotate operations to sum after doing (x-y)**2 in SIMD.
// CHECK-COUNT-2: tensor_ext.rotate
// CHECK-NOT: tensor_ext.rotate
// CHECK: secret.yield

func.func @hamming(%arg0: tensor<4xi16> {secret.secret}, %arg1: tensor<4xi16> {secret.secret}) -> i16 {
%c0 = arith.constant 0 : index
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