#define NULL ((void *)0)
typedef unsigned long size_t; // Customize by platform.
typedef long intptr_t;
typedef unsigned long uintptr_t;
typedef long scalar_t__; // Either arithmetic or pointer type.
/* By default, we understand bool (as a convenience). */
typedef int bool;
#define false 0
#define true 1

/* Forward declarations */

/* Type definitions */
typedef int /*<<< orphan*/ __m128;

/* Variables and functions */
int /*<<< orphan*/ _mm_add_ss(int /*<<< orphan*/, int /*<<< orphan*/);
int /*<<< orphan*/ _mm_load_ps1(float const *);
int /*<<< orphan*/ _mm_loadu_ps(float const *);
int /*<<< orphan*/ _mm_move_ss(int /*<<< orphan*/, int /*<<< orphan*/);
int /*<<< orphan*/ _mm_mul_ps(int /*<<< orphan*/, int /*<<< orphan*/);
int /*<<< orphan*/ _mm_setr_ps(float const, float const, int /*<<< orphan*/,
                               int /*<<< orphan*/);
int /*<<< orphan*/ _mm_shuffle_ps(int /*<<< orphan*/, int /*<<< orphan*/, int);
int /*<<< orphan*/ _mm_store_ss(float *, int /*<<< orphan*/);
int /*<<< orphan*/ _mm_storeu_ps(float *, int /*<<< orphan*/);
int /*<<< orphan*/ _mm_sub_ps(int /*<<< orphan*/, int /*<<< orphan*/);
void iir_mem2_10(const float *x, const float *_den, float *y, int N, int ord,
                 float *_mem) {
  __m128 den[3], mem[3];
  int i;
  for (i = 0; i < 2; i++) {
    mem[i] = _mm_loadu_ps(_mem + 4 * i);
    den[i] = _mm_loadu_ps(_den + 4 * i + 1);
  }
  mem[2] = _mm_setr_ps(_mem[8], _mem[9], 0, 0);
  den[2] = _mm_setr_ps(_den[9], _den[10], 0, 0);
  for (i = 0; i < N; i++) {
    __m128 xx;
    __m128 yy;
    xx = _mm_load_ps1(x + i);
    yy = _mm_add_ss(xx, mem[0]);
    _mm_store_ss(y + i, yy);
    yy = _mm_shuffle_ps(yy, yy, 0);
    mem[0] = _mm_move_ss(mem[0], mem[1]);
    mem[0] = _mm_shuffle_ps(mem[0], mem[0], 0x39);
    mem[0] = _mm_sub_ps(mem[0], _mm_mul_ps(yy, den[0]));
    mem[1] = _mm_move_ss(mem[1], mem[2]);
    mem[1] = _mm_shuffle_ps(mem[1], mem[1], 0x39);
    mem[1] = _mm_sub_ps(mem[1], _mm_mul_ps(yy, den[1]));
    mem[2] = _mm_shuffle_ps(mem[2], mem[2], 0xfd);
    mem[2] = _mm_sub_ps(mem[2], _mm_mul_ps(yy, den[2]));
  }
  _mm_storeu_ps(_mem, mem[0]);
  _mm_storeu_ps(_mem + 4, mem[1]);
  _mm_store_ss(_mem + 8, mem[2]);
  mem[2] = _mm_shuffle_ps(mem[2], mem[2], 0x55);
  _mm_store_ss(_mem + 9, mem[2]);
}


x86 assembly (clang, -O0):
<iir_mem2_10>:
push   %rbp
mov    %rsp,%rbp
sub    $0x60,%rsp
mov    %rdi,-0x8(%rbp)
mov    %rsi,-0x10(%rbp)
mov    %rdx,-0x18(%rbp)
mov    %ecx,-0x1c(%rbp)
mov    %r8d,-0x20(%rbp)
mov    %r9,-0x28(%rbp)
movl   $0x0,-0x44(%rbp)
cmpl   $0x2,-0x44(%rbp)
jge    1226 <iir_mem2_10+0x86>
mov    -0x28(%rbp),%rdi
mov    -0x44(%rbp),%eax
shl    $0x2,%eax
cltq
shl    $0x2,%rax
add    %rax,%rdi
call   1070 <_mm_loadu_ps@plt>
mov    %eax,%ecx
movslq -0x44(%rbp),%rax
mov    %ecx,-0x40(%rbp,%rax,4)
mov    -0x10(%rbp),%rdi
mov    -0x44(%rbp),%eax
shl    $0x2,%eax
cltq
shl    $0x2,%rax
add    %rax,%rdi
add    $0x4,%rdi
call   1070 <_mm_loadu_ps@plt>
mov    %eax,%ecx
movslq -0x44(%rbp),%rax
mov    %ecx,-0x34(%rbp,%rax,4)
mov    -0x44(%rbp),%eax
add    $0x1,%eax
mov    %eax,-0x44(%rbp)
jmp    11c6 <iir_mem2_10+0x26>
mov    -0x28(%rbp),%rax
movss  0x20(%rax),%xmm0
mov    -0x28(%rbp),%rax
movss  0x24(%rax),%xmm1
xor    %esi,%esi
mov    %esi,%edi
call   10c0 <_mm_setr_ps@plt>
mov    %eax,-0x38(%rbp)
mov    -0x10(%rbp),%rax
movss  0x24(%rax),%xmm0
mov    -0x10(%rbp),%rax
movss  0x28(%rax),%xmm1
xor    %esi,%esi
mov    %esi,%edi
call   10c0 <_mm_setr_ps@plt>
mov    %eax,-0x2c(%rbp)
movl   $0x0,-0x44(%rbp)
mov    -0x44(%rbp),%eax
cmp    -0x1c(%rbp),%eax
jge    137e <iir_mem2_10+0x1de>
mov    -0x8(%rbp),%rdi
movslq -0x44(%rbp),%rax
shl    $0x2,%rax
add    %rax,%rdi
call   1030 <_mm_load_ps1@plt>
mov    %eax,-0x48(%rbp)
mov    -0x48(%rbp),%edi
mov    -0x40(%rbp),%esi
call   1090 <_mm_add_ss@plt>
mov    %eax,-0x4c(%rbp)
mov    -0x18(%rbp),%rdi
movslq -0x44(%rbp),%rax
shl    $0x2,%rax
add    %rax,%rdi
mov    -0x4c(%rbp),%esi
call   1080 <_mm_store_ss@plt>
mov    -0x4c(%rbp),%edi
mov    -0x4c(%rbp),%esi
xor    %edx,%edx
call   1050 <_mm_shuffle_ps@plt>
mov    %eax,-0x4c(%rbp)
mov    -0x40(%rbp),%edi
mov    -0x3c(%rbp),%esi
call   1040 <_mm_move_ss@plt>
mov    %eax,-0x40(%rbp)
mov    -0x40(%rbp),%edi
mov    -0x40(%rbp),%esi
mov    $0x39,%edx
call   1050 <_mm_shuffle_ps@plt>
mov    %eax,-0x40(%rbp)
mov    -0x40(%rbp),%eax
mov    %eax,-0x58(%rbp)
mov    -0x4c(%rbp),%edi
mov    -0x34(%rbp),%esi
call   10a0 <_mm_mul_ps@plt>
mov    -0x58(%rbp),%edi
mov    %eax,%esi
call   10b0 <_mm_sub_ps@plt>
mov    %eax,-0x40(%rbp)
mov    -0x3c(%rbp),%edi
mov    -0x38(%rbp),%esi
call   1040 <_mm_move_ss@plt>
mov    %eax,-0x3c(%rbp)
mov    -0x3c(%rbp),%edi
mov    -0x3c(%rbp),%esi
mov    $0x39,%edx
call   1050 <_mm_shuffle_ps@plt>
mov    %eax,-0x3c(%rbp)
mov    -0x3c(%rbp),%eax
mov    %eax,-0x54(%rbp)
mov    -0x4c(%rbp),%edi
mov    -0x30(%rbp),%esi
call   10a0 <_mm_mul_ps@plt>
mov    -0x54(%rbp),%edi
mov    %eax,%esi
call   10b0 <_mm_sub_ps@plt>
mov    %eax,-0x3c(%rbp)
mov    -0x38(%rbp),%edi
mov    -0x38(%rbp),%esi
mov    $0xfd,%edx
call   1050 <_mm_shuffle_ps@plt>
mov    %eax,-0x38(%rbp)
mov    -0x38(%rbp),%eax
mov    %eax,-0x50(%rbp)
mov    -0x4c(%rbp),%edi
mov    -0x2c(%rbp),%esi
call   10a0 <_mm_mul_ps@plt>
mov    -0x50(%rbp),%edi
mov    %eax,%esi
call   10b0 <_mm_sub_ps@plt>
mov    %eax,-0x38(%rbp)
mov    -0x44(%rbp),%eax
add    $0x1,%eax
mov    %eax,-0x44(%rbp)
jmp    1269 <iir_mem2_10+0xc9>
mov    -0x28(%rbp),%rdi
mov    -0x40(%rbp),%esi
call   1060 <_mm_storeu_ps@plt>
mov    -0x28(%rbp),%rdi
add    $0x10,%rdi
mov    -0x3c(%rbp),%esi
call   1060 <_mm_storeu_ps@plt>
mov    -0x28(%rbp),%rdi
add    $0x20,%rdi
mov    -0x38(%rbp),%esi
call   1080 <_mm_store_ss@plt>
mov    -0x38(%rbp),%edi
mov    -0x38(%rbp),%esi
mov    $0x55,%edx
call   1050 <_mm_shuffle_ps@plt>
mov    %eax,-0x38(%rbp)
mov    -0x28(%rbp),%rdi
add    $0x24,%rdi
mov    -0x38(%rbp),%esi
call   1080 <_mm_store_ss@plt>
add    $0x60,%rsp
pop    %rbp
ret

x86 assembly (clang, -O2):
<iir_mem2_10>:
push   %rbp
push   %r15
push   %r14
push   %r13
push   %r12
push   %rbx
sub    $0x48,%rsp
mov    %r9,%rbp
mov    %ecx,%r14d
mov    %rdx,0x10(%rsp)
mov    %rsi,%r12
mov    %rdi,0x8(%rsp)
mov    %r9,%rdi
call   1070 <_mm_loadu_ps@plt>
mov    %eax,%r13d
lea    0x4(%r12),%rdi
call   1070 <_mm_loadu_ps@plt>
mov    %eax,%r15d
lea    0x10(%rbp),%rdi
mov    %rdi,0x30(%rsp)
call   1070 <_mm_loadu_ps@plt>
mov    %eax,0x4(%rsp)
lea    0x14(%r12),%rdi
call   1070 <_mm_loadu_ps@plt>
mov    %eax,%ebx
lea    0x20(%rbp),%rax
mov    %rax,0x28(%rsp)
lea    0x24(%rbp),%rax
mov    %rax,0x38(%rsp)
movss  0x20(%rbp),%xmm0
mov    %rbp,0x40(%rsp)
movss  0x24(%rbp),%xmm1
xor    %edi,%edi
xor    %esi,%esi
call   10c0 <_mm_setr_ps@plt>
mov    %eax,%ebp
movss  0x24(%r12),%xmm0
movss  0x28(%r12),%xmm1
xor    %edi,%edi
xor    %esi,%esi
call   10c0 <_mm_setr_ps@plt>
test   %r14d,%r14d
jle    1357 <iir_mem2_10+0x1b7>
mov    %eax,%r12d
mov    %r15d,0x24(%rsp)
mov    %r14d,%eax
mov    0x8(%rsp),%r14
mov    %ebx,0x20(%rsp)
mov    0x10(%rsp),%rbx
mov    %r12d,0x1c(%rsp)
cs nopw 0x0(%rax,%rax,1)
nopl   0x0(%rax,%rax,1)
mov    %rax,0x8(%rsp)
mov    %rbx,0x10(%rsp)
mov    %r14,%rdi
call   1030 <_mm_load_ps1@plt>
mov    %eax,%edi
mov    %r13d,%esi
call   1090 <_mm_add_ss@plt>
mov    %ebp,%r15d
mov    %eax,%ebp
mov    %rbx,%rdi
mov    %eax,%esi
call   1080 <_mm_store_ss@plt>
mov    %ebp,%edi
mov    %ebp,%esi
xor    %edx,%edx
call   1050 <_mm_shuffle_ps@plt>
mov    %eax,%r12d
mov    %r13d,%edi
mov    0x4(%rsp),%ebx
mov    %ebx,%esi
call   1040 <_mm_move_ss@plt>
mov    %eax,%edi
mov    %eax,%esi
mov    $0x39,%edx
call   1050 <_mm_shuffle_ps@plt>
mov    %eax,%ebp
mov    %r12d,%edi
mov    0x24(%rsp),%esi
call   10a0 <_mm_mul_ps@plt>
mov    %ebp,%edi
mov    %eax,%esi
call   10b0 <_mm_sub_ps@plt>
mov    %eax,%r13d
mov    %ebx,%edi
mov    %r15d,%esi
call   1040 <_mm_move_ss@plt>
mov    %eax,%edi
mov    %eax,%esi
mov    $0x39,%edx
call   1050 <_mm_shuffle_ps@plt>
mov    %eax,%ebp
mov    %r12d,%edi
mov    0x20(%rsp),%esi
call   10a0 <_mm_mul_ps@plt>
mov    %ebp,%edi
mov    %eax,%esi
call   10b0 <_mm_sub_ps@plt>
mov    %eax,0x4(%rsp)
mov    %r15d,%edi
mov    %r15d,%esi
mov    $0xfd,%edx
call   1050 <_mm_shuffle_ps@plt>
mov    %eax,%ebp
mov    %r12d,%edi
mov    0x1c(%rsp),%esi
mov    0x10(%rsp),%rbx
call   10a0 <_mm_mul_ps@plt>
mov    %ebp,%edi
mov    %eax,%esi
call   10b0 <_mm_sub_ps@plt>
mov    %eax,%ebp
mov    0x8(%rsp),%rax
add    $0x4,%rbx
add    $0x4,%r14
add    $0xffffffffffffffff,%rax
jne    1270 <iir_mem2_10+0xd0>
mov    0x40(%rsp),%rdi
mov    %r13d,%esi
call   1060 <_mm_storeu_ps@plt>
mov    0x30(%rsp),%rdi
mov    0x4(%rsp),%esi
call   1060 <_mm_storeu_ps@plt>
mov    0x28(%rsp),%rdi
mov    %ebp,%esi
call   1080 <_mm_store_ss@plt>
mov    %ebp,%edi
mov    %ebp,%esi
mov    $0x55,%edx
call   1050 <_mm_shuffle_ps@plt>
mov    0x38(%rsp),%rdi
mov    %eax,%esi
add    $0x48,%rsp
pop    %rbx
pop    %r12
pop    %r13
pop    %r14
pop    %r15
pop    %rbp
jmp    1080 <_mm_store_ss@plt>

LLVM IR (-O0):
define void @iir_mem2_10(float* %0, float* %1, float* %2, i32 %3, i32 %4, float* %5) {
%7 = alloca float*
%8 = alloca float*
%9 = alloca float*
%10 = alloca i32
%11 = alloca i32
%12 = alloca float*
%13 = alloca [3 x i32]
%14 = alloca [3 x i32]
%15 = alloca i32
%16 = alloca i32
%17 = alloca i32
store float* %0, float** %7
store float* %1, float** %8
store float* %2, float** %9
store i32 %3, i32* %10
store i32 %4, i32* %11
store float* %5, float** %12
store i32 0, i32* %15
br label %18
18: ; preds = %41, %6
%19 = load i32, i32* %15
%20 = icmp slt i32 %19, 2
br i1 %20, label %21, label %44
21: ; preds = %18
%22 = load float*, float** %12
%23 = load i32, i32* %15
%24 = mul nsw i32 4, %23
%25 = sext i32 %24 to i64
%26 = getelementptr inbounds float, float* %22, i64 %25
%27 = call i32 @_mm_loadu_ps(float* %26)
%28 = load i32, i32* %15
%29 = sext i32 %28 to i64
%30 = getelementptr inbounds [3 x i32], [3 x i32]* %14, i64 0, i64 %29
store i32 %27, i32* %30
%31 = load float*, float** %8
%32 = load i32, i32* %15
%33 = mul nsw i32 4, %32
%34 = sext i32 %33 to i64
%35 = getelementptr inbounds float, float* %31, i64 %34
%36 = getelementptr inbounds float, float* %35, i64 1
%37 = call i32 @_mm_loadu_ps(float* %36)
%38 = load i32, i32* %15
%39 = sext i32 %38 to i64
%40 = getelementptr inbounds [3 x i32], [3 x i32]* %13, i64 0, i64 %39
store i32 %37, i32* %40
br label %41
41: ; preds = %21
%42 = load i32, i32* %15
%43 = add nsw i32 %42, 1
store i32 %43, i32* %15
br label %18
44: ; preds = %18
%45 = load float*, float** %12
%46 = getelementptr inbounds float, float* %45, i64 8
%47 = load float, float* %46
%48 = load float*, float** %12
%49 = getelementptr inbounds float, float* %48, i64 9
%50 = load float, float* %49
%51 = call i32 @_mm_setr_ps(float %47, float %50, i32 0, i32 0)
%52 = getelementptr inbounds [3 x i32], [3 x i32]* %14, i64 0, i64 2
store i32 %51, i32* %52
%53 = load float*, float** %8
%54 = getelementptr inbounds float, float* %53, i64 9
%55 = load float, float* %54
%56 = load float*, float** %8
%57 = getelementptr inbounds float, float* %56, i64 10
%58 = load float, float* %57
%59 = call i32 @_mm_setr_ps(float %55, float %58, i32 0, i32 0)
%60 = getelementptr inbounds [3 x i32], [3 x i32]* %13, i64 0, i64 2
store i32 %59, i32* %60
store i32 0, i32* %15
br label %61
61: ; preds = %138, %44
%62 = load i32, i32* %15
%63 = load i32, i32* %10
%64 = icmp slt i32 %62, %63
br i1 %64, label %65, label %141
65: ; preds = %61
%66 = load float*, float** %7
%67 = load i32, i32* %15
%68 = sext i32 %67 to i64
%69 = getelementptr inbounds float, float* %66, i64 %68
%70 = call i32 @_mm_load_ps1(float* %69)
store i32 %70, i32* %16
%71 = load i32, i32* %16
%72 = getelementptr inbounds [3 x i32], [3 x i32]* %14, i64 0, i64 0
%73 = load i32, i32* %72
%74 = call i32 @_mm_add_ss(i32 %71, i32 %73)
store i32 %74, i32* %17
%75 = load float*, float** %9
%76 = load i32, i32* %15
%77 = sext i32 %76 to i64
%78 = getelementptr inbounds float, float* %75, i64 %77
%79 = load i32, i32* %17
%80 = call i32 @_mm_store_ss(float* %78, i32 %79)
%81 = load i32, i32* %17
%82 = load i32, i32* %17
%83 = call i32 @_mm_shuffle_ps(i32 %81, i32 %82, i32 0)
store i32 %83, i32* %17
%84 = getelementptr inbounds [3 x i32], [3 x i32]* %14, i64 0, i64 0
%85 = load i32, i32* %84
%86 = getelementptr inbounds [3 x i32], [3 x i32]* %14, i64 0, i64 1
%87 = load i32, i32* %86
%88 = call i32 @_mm_move_ss(i32 %85, i32 %87)
%89 = getelementptr inbounds [3 x i32], [3 x i32]* %14, i64 0, i64 0
store i32 %88, i32* %89
%90 = getelementptr inbounds [3 x i32], [3 x i32]* %14, i64 0, i64 0
%91 = load i32, i32* %90
%92 = getelementptr inbounds [3 x i32], [3 x i32]* %14, i64 0, i64 0
%93 = load i32, i32* %92
%94 = call i32 @_mm_shuffle_ps(i32 %91, i32 %93, i32 57)
%95 = getelementptr inbounds [3 x i32], [3 x i32]* %14, i64 0, i64 0
store i32 %94, i32* %95
%96 = getelementptr inbounds [3 x i32], [3 x i32]* %14, i64 0, i64 0
%97 = load i32, i32* %96
%98 = load i32, i32* %17
%99 = getelementptr inbounds [3 x i32], [3 x i32]* %13, i64 0, i64 0
%100 = load i32, i32* %99
%101 = call i32 @_mm_mul_ps(i32 %98, i32 %100)
%102 = call i32 @_mm_sub_ps(i32 %97, i32 %101)
%103 = getelementptr inbounds [3 x i32], [3 x i32]* %14, i64 0, i64 0
store i32 %102, i32* %103
%104 = getelementptr inbounds [3 x i32], [3 x i32]* %14, i64 0, i64 1
%105 = load i32, i32* %104
%106 = getelementptr inbounds [3 x i32], [3 x i32]* %14, i64 0, i64 2
%107 = load i32, i32* %106
%108 = call i32 @_mm_move_ss(i32 %105, i32 %107)
%109 = getelementptr inbounds [3 x i32], [3 x i32]* %14, i64 0, i64 1
store i32 %108, i32* %109
%110 = getelementptr inbounds [3 x i32], [3 x i32]* %14, i64 0, i64 1
%111 = load i32, i32* %110
%112 = getelementptr inbounds [3 x i32], [3 x i32]* %14, i64 0, i64 1
%113 = load i32, i32* %112
%114 = call i32 @_mm_shuffle_ps(i32 %111, i32 %113, i32 57)
%115 = getelementptr inbounds [3 x i32], [3 x i32]* %14, i64 0, i64 1
store i32 %114, i32* %115
%116 = getelementptr inbounds [3 x i32], [3 x i32]* %14, i64 0, i64 1
%117 = load i32, i32* %116
%118 = load i32, i32* %17
%119 = getelementptr inbounds [3 x i32], [3 x i32]* %13, i64 0, i64 1
%120 = load i32, i32* %119
%121 = call i32 @_mm_mul_ps(i32 %118, i32 %120)
%122 = call i32 @_mm_sub_ps(i32 %117, i32 %121)
%123 = getelementptr inbounds [3 x i32], [3 x i32]* %14, i64 0, i64 1
store i32 %122, i32* %123
%124 = getelementptr inbounds [3 x i32], [3 x i32]* %14, i64 0, i64 2
%125 = load i32, i32* %124
%126 = getelementptr inbounds [3 x i32], [3 x i32]* %14, i64 0, i64 2
%127 = load i32, i32* %126
%128 = call i32 @_mm_shuffle_ps(i32 %125, i32 %127, i32 253)
%129 = getelementptr inbounds [3 x i32], [3 x i32]* %14, i64 0, i64 2
store i32 %128, i32* %129
%130 = getelementptr inbounds [3 x i32], [3 x i32]* %14, i64 0, i64 2
%131 = load i32, i32* %130
%132 = load i32, i32* %17
%133 = getelementptr inbounds [3 x i32], [3 x i32]* %13, i64 0, i64 2
%134 = load i32, i32* %133
%135 = call i32 @_mm_mul_ps(i32 %132, i32 %134)
%136 = call i32 @_mm_sub_ps(i32 %131, i32 %135)
%137 = getelementptr inbounds [3 x i32], [3 x i32]* %14, i64 0, i64 2
store i32 %136, i32* %137
br label %138
138: ; preds = %65
%139 = load i32, i32* %15
%140 = add nsw i32 %139, 1
store i32 %140, i32* %15
br label %61
141: ; preds = %61
%142 = load float*, float** %12
%143 = getelementptr inbounds [3 x i32], [3 x i32]* %14, i64 0, i64 0
%144 = load i32, i32* %143
%145 = call i32 @_mm_storeu_ps(float* %142, i32 %144)
%146 = load float*, float** %12
%147 = getelementptr inbounds float, float* %146, i64 4
%148 = getelementptr inbounds [3 x i32], [3 x i32]* %14, i64 0, i64 1
%149 = load i32, i32* %148
%150 = call i32 @_mm_storeu_ps(float* %147, i32 %149)
%151 = load float*, float** %12
%152 = getelementptr inbounds float, float* %151, i64 8
%153 = getelementptr inbounds [3 x i32], [3 x i32]* %14, i64 0, i64 2
%154 = load i32, i32* %153
%155 = call i32 @_mm_store_ss(float* %152, i32 %154)
%156 = getelementptr inbounds [3 x i32], [3 x i32]* %14, i64 0, i64 2
%157 = load i32, i32* %156
%158 = getelementptr inbounds [3 x i32], [3 x i32]* %14, i64 0, i64 2
%159 = load i32, i32* %158
%160 = call i32 @_mm_shuffle_ps(i32 %157, i32 %159, i32 85)
%161 = getelementptr inbounds [3 x i32], [3 x i32]* %14, i64 0, i64 2
store i32 %160, i32* %161
%162 = load float*, float** %12
%163 = getelementptr inbounds float, float* %162, i64 9
%164 = getelementptr inbounds [3 x i32], [3 x i32]* %14, i64 0, i64 2
%165 = load i32, i32* %164
%166 = call i32 @_mm_store_ss(float* %163, i32 %165)
ret void
}

LLVM IR (-O2):
define void @iir_mem2_10(float* %0, float* %1, float* %2, i32 %3, i32 %4, float* %5) {
%7 = tail call i32 @_mm_loadu_ps(float* %5)
%8 = getelementptr inbounds float, float* %1, i64 1
%9 = tail call i32 @_mm_loadu_ps(float* %8)
%10 = getelementptr inbounds float, float* %5, i64 4
%11 = tail call i32 @_mm_loadu_ps(float* %10)
%12 = getelementptr inbounds float, float* %1, i64 5
%13 = tail call i32 @_mm_loadu_ps(float* %12)
%14 = getelementptr inbounds float, float* %5, i64 8
%15 = load float, float* %14
%16 = getelementptr inbounds float, float* %5, i64 9
%17 = load float, float* %16
%18 = tail call i32 @_mm_setr_ps(float %15, float %17, i32 0, i32 0)
%19 = getelementptr inbounds float, float* %1, i64 9
%20 = load float, float* %19
%21 = getelementptr inbounds float, float* %1, i64 10
%22 = load float, float* %21
%23 = tail call i32 @_mm_setr_ps(float %20, float %22, i32 0, i32 0)
%24 = icmp sgt i32 %3, 0
br i1 %24, label %25, label %51
25: ; preds = %6
%26 = zext i32 %3 to i64
br label %27
27: ; preds = %25, %27
%28 = phi i64 [ 0, %25 ], [ %49, %27 ]
%29 = phi i32 [ %11, %25 ], [ %45, %27 ]
%30 = phi i32 [ %7, %25 ], [ %41, %27 ]
%31 = phi i32 [ %18, %25 ], [ %48, %27 ]
%32 = getelementptr inbounds float, float* %0, i64 %28
%33 = tail call i32 @_mm_load_ps1(float* %32)
%34 = tail call i32 @_mm_add_ss(i32 %33, i32 %30)
%35 = getelementptr inbounds float, float* %2, i64 %28
%36 = tail call i32 @_mm_store_ss(float* %35, i32 %34)
%37 = tail call i32 @_mm_shuffle_ps(i32 %34, i32 %34, i32 0)
%38 = tail call i32 @_mm_move_ss(i32 %30, i32 %29)
%39 = tail call i32 @_mm_shuffle_ps(i32 %38, i32 %38, i32 57)
%40 = tail call i32 @_mm_mul_ps(i32 %37, i32 %9)
%41 = tail call i32 @_mm_sub_ps(i32 %39, i32 %40)
%42 = tail call i32 @_mm_move_ss(i32 %29, i32 %31)
%43 = tail call i32 @_mm_shuffle_ps(i32 %42, i32 %42, i32 57)
%44 = tail call i32 @_mm_mul_ps(i32 %37, i32 %13)
%45 = tail call i32 @_mm_sub_ps(i32 %43, i32 %44)
%46 = tail call i32 @_mm_shuffle_ps(i32 %31, i32 %31, i32 253)
%47 = tail call i32 @_mm_mul_ps(i32 %37, i32 %23)
%48 = tail call i32 @_mm_sub_ps(i32 %46, i32 %47)
%49 = add nuw nsw i64 %28, 1
%50 = icmp eq i64 %49, %26
br i1 %50, label %51, label %27
51: ; preds = %27, %6
%52 = phi i32 [ %11, %6 ], [ %45, %27 ]
%53 = phi i32 [ %7, %6 ], [ %41, %27 ]
%54 = phi i32 [ %18, %6 ], [ %48, %27 ]
%55 = tail call i32 @_mm_storeu_ps(float* %5, i32 %53)
%56 = tail call i32 @_mm_storeu_ps(float* %10, i32 %52)
%57 = tail call i32 @_mm_store_ss(float* %14, i32 %54)
%58 = tail call i32 @_mm_shuffle_ps(i32 %54, i32 %54, i32 85)
%59 = tail call i32 @_mm_store_ss(float* %16, i32 %58)
ret void
}