#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 */

/* Variables and functions */
int /*<<< orphan*/ YvVfilterCoef(double, double *);
double cos(double);
int /*<<< orphan*/ f_iir_derivative_filter(double *, double *, int, int, double,
                                           int);
int /*<<< orphan*/ f_iir_tline_filter(double *, double *, int, int, double *,
                                      double);
int /*<<< orphan*/ f_iir_xline_filter(double *, double *, int, int, double *);
int /*<<< orphan*/ f_iir_yline_filter(double *, double *, int, int, double *);
double sin(double);
double sqrt(double);
void anigauss(double *input, double *output, int sizex, int sizey,
              double sigmav, double sigmau, double phi, int orderv,
              int orderu) {
  double filter[7];
  double sigmax, sigmay, tanp;
  double su2, sv2;
  double phirad;
  double a11, a21, a22;
  int i;
  su2 = sigmau * sigmau;
  sv2 = sigmav * sigmav;
  phirad = phi * 3.14159265358979323846 / 180.;
  a11 = cos(phirad) * cos(phirad) * su2 + sin(phirad) * sin(phirad) * sv2;
  a21 = cos(phirad) * sin(phirad) * (su2 - sv2);
  a22 = cos(phirad) * cos(phirad) * sv2 + sin(phirad) * sin(phirad) * su2;
  sigmax = sqrt(a11 - a21 * a21 / a22);
  tanp = a21 / a22;
  sigmay = sqrt(a22);
  YvVfilterCoef(sigmax, filter);
  f_iir_xline_filter(input, output, sizex, sizey, filter);
  YvVfilterCoef(sigmay, filter);
  if (tanp != 0.0) {
    f_iir_tline_filter(output, output, sizex, sizey, filter, tanp);
  } else {
    f_iir_yline_filter(output, output, sizex, sizey, filter);
  }
  for (i = 0; i < orderv; i++)
    f_iir_derivative_filter(output, output, sizex, sizey,
                            phirad - 3.14159265358979323846 / 2., 1);
  for (i = 0; i < orderu; i++)
    f_iir_derivative_filter(output, output, sizex, sizey, phirad, 1);
}


x86 assembly (clang, -O0):
<anigauss>:
push   %rbp
mov    %rsp,%rbp
sub    $0x110,%rsp
mov    %rdi,-0x8(%rbp)
mov    %rsi,-0x10(%rbp)
mov    %edx,-0x14(%rbp)
mov    %ecx,-0x18(%rbp)
movsd  %xmm0,-0x20(%rbp)
movsd  %xmm1,-0x28(%rbp)
movsd  %xmm2,-0x30(%rbp)
mov    %r8d,-0x34(%rbp)
mov    %r9d,-0x38(%rbp)
movsd  -0x28(%rbp),%xmm0
mulsd  -0x28(%rbp),%xmm0
movsd  %xmm0,-0x90(%rbp)
ff
movsd  -0x20(%rbp),%xmm0
mulsd  -0x20(%rbp),%xmm0
movsd  %xmm0,-0x98(%rbp)
ff
movsd  0xe2c(%rip),%xmm0
mulsd  -0x30(%rbp),%xmm0
movsd  0xe17(%rip),%xmm1
divsd  %xmm1,%xmm0
movsd  %xmm0,-0xa0(%rbp)
ff
movsd  -0xa0(%rbp),%xmm0
ff
call   1080 <cos@plt>
movsd  %xmm0,-0x108(%rbp)
ff
movsd  -0xa0(%rbp),%xmm0
ff
call   1080 <cos@plt>
movaps %xmm0,%xmm1
movsd  -0x108(%rbp),%xmm0
ff
mulsd  %xmm1,%xmm0
movsd  %xmm0,-0xf0(%rbp)
ff
movsd  -0x90(%rbp),%xmm0
ff
movsd  %xmm0,-0xf8(%rbp)
ff
movsd  -0xa0(%rbp),%xmm0
ff
call   1050 <sin@plt>
movsd  %xmm0,-0x100(%rbp)
ff
movsd  -0xa0(%rbp),%xmm0
ff
call   1050 <sin@plt>
movsd  -0x100(%rbp),%xmm1
ff
movsd  -0xf8(%rbp),%xmm2
ff
movaps %xmm0,%xmm3
movsd  -0xf0(%rbp),%xmm0
ff
mulsd  %xmm3,%xmm1
mulsd  -0x98(%rbp),%xmm1
ff
mulsd  %xmm2,%xmm0
addsd  %xmm1,%xmm0
movsd  %xmm0,-0xa8(%rbp)
ff
movsd  -0xa0(%rbp),%xmm0
ff
call   1080 <cos@plt>
movsd  %xmm0,-0xe8(%rbp)
ff
movsd  -0xa0(%rbp),%xmm0
ff
call   1050 <sin@plt>
movaps %xmm0,%xmm1
movsd  -0xe8(%rbp),%xmm0
ff
mulsd  %xmm1,%xmm0
movsd  -0x90(%rbp),%xmm1
ff
subsd  -0x98(%rbp),%xmm1
ff
mulsd  %xmm1,%xmm0
movsd  %xmm0,-0xb0(%rbp)
ff
movsd  -0xa0(%rbp),%xmm0
ff
call   1080 <cos@plt>
movsd  %xmm0,-0xe0(%rbp)
ff
movsd  -0xa0(%rbp),%xmm0
call   1080 <cos@plt>
movaps %xmm0,%xmm1
movsd  -0xe0(%rbp),%xmm0
ff
mulsd  %xmm1,%xmm0
movsd  %xmm0,-0xc8(%rbp)
ff
movsd  -0x98(%rbp),%xmm0
ff
movsd  %xmm0,-0xd0(%rbp)
ff
movsd  -0xa0(%rbp),%xmm0
ff
call   1050 <sin@plt>
movsd  %xmm0,-0xd8(%rbp)
ff
movsd  -0xa0(%rbp),%xmm0
ff
call   1050 <sin@plt>
movsd  -0xd8(%rbp),%xmm1
ff
movsd  -0xd0(%rbp),%xmm2
ff
movaps %xmm0,%xmm3
movsd  -0xc8(%rbp),%xmm0
ff
mulsd  %xmm3,%xmm1
mulsd  -0x90(%rbp),%xmm1
ff
mulsd  %xmm2,%xmm0
addsd  %xmm1,%xmm0
movsd  %xmm0,-0xb8(%rbp)
ff
movsd  -0xa8(%rbp),%xmm0
ff
movsd  -0xb0(%rbp),%xmm1
ff
mulsd  -0xb0(%rbp),%xmm1
ff
divsd  -0xb8(%rbp),%xmm1
ff
subsd  %xmm1,%xmm0
call   1090 <sqrt@plt>
movsd  %xmm0,-0x78(%rbp)
movsd  -0xb0(%rbp),%xmm0
ff
divsd  -0xb8(%rbp),%xmm0
ff
movsd  %xmm0,-0x88(%rbp)
ff
movsd  -0xb8(%rbp),%xmm0
ff
call   1090 <sqrt@plt>
movsd  %xmm0,-0x80(%rbp)
movsd  -0x78(%rbp),%xmm0
lea    -0x70(%rbp),%rdi
call   1060 <YvVfilterCoef@plt>
mov    -0x8(%rbp),%rdi
mov    -0x10(%rbp),%rsi
mov    -0x14(%rbp),%edx
mov    -0x18(%rbp),%ecx
lea    -0x70(%rbp),%r8
call   1030 <f_iir_xline_filter@plt>
movsd  -0x80(%rbp),%xmm0
lea    -0x70(%rbp),%rdi
call   1060 <YvVfilterCoef@plt>
movsd  -0x88(%rbp),%xmm0
ff
xorps  %xmm1,%xmm1
ucomisd %xmm1,%xmm0
jne    1431 <anigauss+0x2b1>
jp     1431 <anigauss+0x2b1>
jmp    1455 <anigauss+0x2d5>
mov    -0x10(%rbp),%rdi
mov    -0x10(%rbp),%rsi
mov    -0x14(%rbp),%edx
mov    -0x18(%rbp),%ecx
lea    -0x70(%rbp),%r8
movsd  -0x88(%rbp),%xmm0
ff
call   10a0 <f_iir_tline_filter@plt>
jmp    146c <anigauss+0x2ec>
mov    -0x10(%rbp),%rdi
mov    -0x10(%rbp),%rsi
mov    -0x14(%rbp),%edx
mov    -0x18(%rbp),%ecx
lea    -0x70(%rbp),%r8
call   1040 <f_iir_yline_filter@plt>
movl   $0x0,-0xbc(%rbp)
mov    -0xbc(%rbp),%eax
cmp    -0x34(%rbp),%eax
jge    14c6 <anigauss+0x346>
mov    -0x10(%rbp),%rdi
mov    -0x10(%rbp),%rsi
mov    -0x14(%rbp),%edx
mov    -0x18(%rbp),%ecx
movsd  -0xa0(%rbp),%xmm0
ff
movsd  0xb6d(%rip),%xmm1
subsd  %xmm1,%xmm0
mov    $0x1,%r8d
call   1070 <f_iir_derivative_filter@plt>
mov    -0xbc(%rbp),%eax
add    $0x1,%eax
mov    %eax,-0xbc(%rbp)
jmp    1476 <anigauss+0x2f6>
movl   $0x0,-0xbc(%rbp)
mov    -0xbc(%rbp),%eax
cmp    -0x38(%rbp),%eax
jge    1514 <anigauss+0x394>
mov    -0x10(%rbp),%rdi
mov    -0x10(%rbp),%rsi
mov    -0x14(%rbp),%edx
mov    -0x18(%rbp),%ecx
movsd  -0xa0(%rbp),%xmm0
ff
mov    $0x1,%r8d
call   1070 <f_iir_derivative_filter@plt>
mov    -0xbc(%rbp),%eax
add    $0x1,%eax
mov    %eax,-0xbc(%rbp)
jmp    14d0 <anigauss+0x350>
add    $0x110,%rsp
pop    %rbp
ret

x86 assembly (clang, -O2):
<anigauss>:
push   %rbp
push   %r15
push   %r14
push   %r13
push   %r12
push   %rbx
sub    $0x78,%rsp
mov    %r9d,%ebx
mov    %r8d,%ebp
mov    %ecx,%r14d
mov    %edx,%r15d
mov    %rsi,%r12
mov    %rdi,%r13
mulsd  %xmm1,%xmm1
movsd  %xmm1,0x20(%rsp)
mulsd  %xmm0,%xmm0
movsd  %xmm0,0x18(%rsp)
movapd %xmm2,%xmm0
mulsd  0xe40(%rip),%xmm0
divsd  0xe40(%rip),%xmm0
movsd  %xmm0,0x8(%rsp)
call   1080 <cos@plt>
movsd  %xmm0,(%rsp)
movsd  0x8(%rsp),%xmm0
call   1080 <cos@plt>
mulsd  (%rsp),%xmm0
movsd  %xmm0,0x28(%rsp)
movsd  0x8(%rsp),%xmm0
call   1050 <sin@plt>
movsd  %xmm0,(%rsp)
movsd  0x8(%rsp),%xmm0
call   1050 <sin@plt>
mulsd  (%rsp),%xmm0
mulsd  0x18(%rsp),%xmm0
movsd  0x28(%rsp),%xmm1
mulsd  0x20(%rsp),%xmm1
addsd  %xmm0,%xmm1
movsd  %xmm1,0x28(%rsp)
movsd  0x8(%rsp),%xmm0
call   1080 <cos@plt>
movsd  %xmm0,(%rsp)
movsd  0x8(%rsp),%xmm0
call   1050 <sin@plt>
mulsd  (%rsp),%xmm0
movsd  0x20(%rsp),%xmm1
subsd  0x18(%rsp),%xmm1
mulsd  %xmm0,%xmm1
movsd  %xmm1,(%rsp)
movsd  0x8(%rsp),%xmm0
call   1080 <cos@plt>
movsd  %xmm0,0x10(%rsp)
movsd  0x8(%rsp),%xmm0
call   1080 <cos@plt>
mulsd  0x10(%rsp),%xmm0
movsd  %xmm0,0x10(%rsp)
movsd  0x8(%rsp),%xmm0
call   1050 <sin@plt>
movsd  %xmm0,0x30(%rsp)
movsd  0x8(%rsp),%xmm0
call   1050 <sin@plt>
mulsd  0x30(%rsp),%xmm0
mulsd  0x20(%rsp),%xmm0
movsd  0x10(%rsp),%xmm1
mulsd  0x18(%rsp),%xmm1
addsd  %xmm0,%xmm1
movsd  (%rsp),%xmm0
mulsd  %xmm0,%xmm0
movsd  %xmm1,0x10(%rsp)
divsd  %xmm1,%xmm0
movsd  0x28(%rsp),%xmm1
subsd  %xmm0,%xmm1
movapd %xmm1,%xmm0
xorpd  %xmm3,%xmm3
ucomisd %xmm3,%xmm1
jb     12f0 <anigauss+0x170>
sqrtsd %xmm0,%xmm2
jmp    12fd <anigauss+0x17d>
call   1090 <sqrt@plt>
xorpd  %xmm3,%xmm3
movapd %xmm0,%xmm2
movsd  (%rsp),%xmm1
movsd  0x10(%rsp),%xmm0
divsd  %xmm0,%xmm1
ucomisd %xmm3,%xmm0
mov    %r13,0x38(%rsp)
movsd  %xmm1,(%rsp)
jb     1322 <anigauss+0x1a2>
sqrtsd %xmm0,%xmm0
jmp    1333 <anigauss+0x1b3>
movsd  %xmm2,0x20(%rsp)
call   1090 <sqrt@plt>
movsd  0x20(%rsp),%xmm2
movsd  %xmm0,0x18(%rsp)
lea    0x40(%rsp),%r13
movapd %xmm2,%xmm0
mov    %r13,%rdi
call   1060 <YvVfilterCoef@plt>
mov    0x38(%rsp),%rdi
mov    %r12,%rsi
mov    %r15d,%edx
mov    %r14d,%ecx
mov    %r13,%r8
call   1030 <f_iir_xline_filter@plt>
movsd  0x18(%rsp),%xmm0
mov    %r13,%rdi
call   1060 <YvVfilterCoef@plt>
xorpd  %xmm0,%xmm0
movsd  (%rsp),%xmm1
ucomisd %xmm0,%xmm1
jne    137f <anigauss+0x1ff>
jnp    139f <anigauss+0x21f>
movapd %xmm1,%xmm0
lea    0x40(%rsp),%r8
mov    %r12,%rdi
mov    %r12,%rsi
mov    %r15d,%edx
mov    %r14d,%ecx
call   10a0 <f_iir_tline_filter@plt>
test   %ebp,%ebp
jg     13b9 <anigauss+0x239>
jmp    13f1 <anigauss+0x271>
lea    0x40(%rsp),%r8
mov    %r12,%rdi
mov    %r12,%rsi
mov    %r15d,%edx
mov    %r14d,%ecx
call   1040 <f_iir_yline_filter@plt>
test   %ebp,%ebp
jle    13f1 <anigauss+0x271>
movsd  0xc4f(%rip),%xmm0
addsd  0x8(%rsp),%xmm0
movsd  %xmm0,(%rsp)
nopl   0x0(%rax)
mov    %r12,%rdi
mov    %r12,%rsi
mov    %r15d,%edx
mov    %r14d,%ecx
movsd  (%rsp),%xmm0
mov    $0x1,%r8d
call   1070 <f_iir_derivative_filter@plt>
add    $0xffffffff,%ebp
jne    13d0 <anigauss+0x250>
test   %ebx,%ebx
jle    1422 <anigauss+0x2a2>
cs nopw 0x0(%rax,%rax,1)
nop
mov    %r12,%rdi
mov    %r12,%rsi
mov    %r15d,%edx
mov    %r14d,%ecx
movsd  0x8(%rsp),%xmm0
mov    $0x1,%r8d
call   1070 <f_iir_derivative_filter@plt>
add    $0xffffffff,%ebx
jne    1400 <anigauss+0x280>
add    $0x78,%rsp
pop    %rbx
pop    %r12
pop    %r13
pop    %r14
pop    %r15
pop    %rbp
ret

LLVM IR (-O0):
define void @anigauss(double* %0, double* %1, i32 %2, i32 %3, double %4, double %5, double %6, i32 %7, i32 %8) {
%10 = alloca double*
%11 = alloca double*
%12 = alloca i32
%13 = alloca i32
%14 = alloca double
%15 = alloca double
%16 = alloca double
%17 = alloca i32
%18 = alloca i32
%19 = alloca [7 x double]
%20 = alloca double
%21 = alloca double
%22 = alloca double
%23 = alloca double
%24 = alloca double
%25 = alloca double
%26 = alloca double
%27 = alloca double
%28 = alloca double
%29 = alloca i32
store double* %0, double** %10
store double* %1, double** %11
store i32 %2, i32* %12
store i32 %3, i32* %13
store double %4, double* %14
store double %5, double* %15
store double %6, double* %16
store i32 %7, i32* %17
store i32 %8, i32* %18
%30 = load double, double* %15
%31 = load double, double* %15
%32 = fmul double %30, %31
store double %32, double* %23
%33 = load double, double* %14
%34 = load double, double* %14
%35 = fmul double %33, %34
store double %35, double* %24
%36 = load double, double* %16
%37 = fmul double %36, 0x400921FB54442D18
%38 = fdiv double %37, 1.800000e+02
store double %38, double* %25
%39 = load double, double* %25
%40 = call double @cos(double %39)
%41 = load double, double* %25
%42 = call double @cos(double %41)
%43 = fmul double %40, %42
%44 = load double, double* %23
%45 = load double, double* %25
%46 = call double @sin(double %45)
%47 = load double, double* %25
%48 = call double @sin(double %47)
%49 = fmul double %46, %48
%50 = load double, double* %24
%51 = fmul double %49, %50
%52 = call double @llvm.fmuladd.f64(double %43, double %44, double %51)
store double %52, double* %26
%53 = load double, double* %25
%54 = call double @cos(double %53)
%55 = load double, double* %25
%56 = call double @sin(double %55)
%57 = fmul double %54, %56
%58 = load double, double* %23
%59 = load double, double* %24
%60 = fsub double %58, %59
%61 = fmul double %57, %60
store double %61, double* %27
%62 = load double, double* %25
%63 = call double @cos(double %62)
%64 = load double, double* %25
%65 = call double @cos(double %64)
%66 = fmul double %63, %65
%67 = load double, double* %24
%68 = load double, double* %25
%69 = call double @sin(double %68)
%70 = load double, double* %25
%71 = call double @sin(double %70)
%72 = fmul double %69, %71
%73 = load double, double* %23
%74 = fmul double %72, %73
%75 = call double @llvm.fmuladd.f64(double %66, double %67, double %74)
store double %75, double* %28
%76 = load double, double* %26
%77 = load double, double* %27
%78 = load double, double* %27
%79 = fmul double %77, %78
%80 = load double, double* %28
%81 = fdiv double %79, %80
%82 = fsub double %76, %81
%83 = call double @sqrt(double %82)
store double %83, double* %20
%84 = load double, double* %27
%85 = load double, double* %28
%86 = fdiv double %84, %85
store double %86, double* %22
%87 = load double, double* %28
%88 = call double @sqrt(double %87)
store double %88, double* %21
%89 = load double, double* %20
%90 = getelementptr inbounds [7 x double], [7 x double]* %19, i64 0, i64 0
%91 = call i32 @YvVfilterCoef(double %89, double* %90)
%92 = load double*, double** %10
%93 = load double*, double** %11
%94 = load i32, i32* %12
%95 = load i32, i32* %13
%96 = getelementptr inbounds [7 x double], [7 x double]* %19, i64 0, i64 0
%97 = call i32 @f_iir_xline_filter(double* %92, double* %93, i32 %94, i32 %95, double* %96)
%98 = load double, double* %21
%99 = getelementptr inbounds [7 x double], [7 x double]* %19, i64 0, i64 0
%100 = call i32 @YvVfilterCoef(double %98, double* %99)
%101 = load double, double* %22
%102 = fcmp une double %101, 0.000000e+00
br i1 %102, label %103, label %111
103: ; preds = %9
%104 = load double*, double** %11
%105 = load double*, double** %11
%106 = load i32, i32* %12
%107 = load i32, i32* %13
%108 = getelementptr inbounds [7 x double], [7 x double]* %19, i64 0, i64 0
%109 = load double, double* %22
%110 = call i32 @f_iir_tline_filter(double* %104, double* %105, i32 %106, i32 %107, double* %108, double %109)
br label %118
111: ; preds = %9
%112 = load double*, double** %11
%113 = load double*, double** %11
%114 = load i32, i32* %12
%115 = load i32, i32* %13
%116 = getelementptr inbounds [7 x double], [7 x double]* %19, i64 0, i64 0
%117 = call i32 @f_iir_yline_filter(double* %112, double* %113, i32 %114, i32 %115, double* %116)
br label %118
118: ; preds = %111, %103
store i32 0, i32* %29
br label %119
119: ; preds = %131, %118
%120 = load i32, i32* %29
%121 = load i32, i32* %17
%122 = icmp slt i32 %120, %121
br i1 %122, label %123, label %134
123: ; preds = %119
%124 = load double*, double** %11
%125 = load double*, double** %11
%126 = load i32, i32* %12
%127 = load i32, i32* %13
%128 = load double, double* %25
%129 = fsub double %128, 0x3FF921FB54442D18
%130 = call i32 @f_iir_derivative_filter(double* %124, double* %125, i32 %126, i32 %127, double %129, i32 1)
br label %131
131: ; preds = %123
%132 = load i32, i32* %29
%133 = add nsw i32 %132, 1
store i32 %133, i32* %29
br label %119
134: ; preds = %119
store i32 0, i32* %29
br label %135
135: ; preds = %146, %134
%136 = load i32, i32* %29
%137 = load i32, i32* %18
%138 = icmp slt i32 %136, %137
br i1 %138, label %139, label %149
139: ; preds = %135
%140 = load double*, double** %11
%141 = load double*, double** %11
%142 = load i32, i32* %12
%143 = load i32, i32* %13
%144 = load double, double* %25
%145 = call i32 @f_iir_derivative_filter(double* %140, double* %141, i32 %142, i32 %143, double %144, i32 1)
br label %146
146: ; preds = %139
%147 = load i32, i32* %29
%148 = add nsw i32 %147, 1
store i32 %148, i32* %29
br label %135
149: ; preds = %135
ret void
}

LLVM IR (-O2):
define void @anigauss(double* %0, double* %1, i32 %2, i32 %3, double %4, double %5, double %6, i32 %7, i32 %8) {
%10 = alloca [7 x double]
%11 = bitcast [7 x double]* %10 to i8*
%12 = fmul double %5, %5
%13 = fmul double %4, %4
%14 = fmul double %6, 0x400921FB54442D18
%15 = fdiv double %14, 1.800000e+02
%16 = tail call double @cos(double %15)
%17 = tail call double @cos(double %15)
%18 = fmul double %16, %17
%19 = tail call double @sin(double %15)
%20 = tail call double @sin(double %15)
%21 = fmul double %19, %20
%22 = fmul double %13, %21
%23 = tail call double @llvm.fmuladd.f64(double %18, double %12, double %22)
%24 = tail call double @cos(double %15)
%25 = tail call double @sin(double %15)
%26 = fmul double %24, %25
%27 = fsub double %12, %13
%28 = fmul double %27, %26
%29 = tail call double @cos(double %15)
%30 = tail call double @cos(double %15)
%31 = fmul double %29, %30
%32 = tail call double @sin(double %15)
%33 = tail call double @sin(double %15)
%34 = fmul double %32, %33
%35 = fmul double %12, %34
%36 = tail call double @llvm.fmuladd.f64(double %31, double %13, double %35)
%37 = fmul double %28, %28
%38 = fdiv double %37, %36
%39 = fsub double %23, %38
%40 = tail call double @sqrt(double %39)
%41 = fdiv double %28, %36
%42 = tail call double @sqrt(double %36)
%43 = getelementptr inbounds [7 x double], [7 x double]* %10, i64 0, i64 0
%44 = call i32 @YvVfilterCoef(double %40, double* %43)
%45 = call i32 @f_iir_xline_filter(double* %0, double* %1, i32 %2, i32 %3, double* %43)
%46 = call i32 @YvVfilterCoef(double %42, double* %43)
%47 = fcmp une double %41, 0.000000e+00
br i1 %47, label %48, label %50
48: ; preds = %9
%49 = call i32 @f_iir_tline_filter(double* %1, double* %1, i32 %2, i32 %3, double* %43, double %41)
br label %52
50: ; preds = %9
%51 = call i32 @f_iir_yline_filter(double* %1, double* %1, i32 %2, i32 %3, double* %43)
br label %52
52: ; preds = %50, %48
%53 = icmp sgt i32 %7, 0
br i1 %53, label %54, label %56
54: ; preds = %52
%55 = fadd double %15, 0xBFF921FB54442D18
br label %58
56: ; preds = %58, %52
%57 = icmp sgt i32 %8, 0
br i1 %57, label %63, label %68
58: ; preds = %54, %58
%59 = phi i32 [ 0, %54 ], [ %61, %58 ]
%60 = call i32 @f_iir_derivative_filter(double* %1, double* %1, i32 %2, i32 %3, double %55, i32 1)
%61 = add nuw nsw i32 %59, 1
%62 = icmp eq i32 %61, %7
br i1 %62, label %56, label %58
63: ; preds = %56, %63
%64 = phi i32 [ %66, %63 ], [ 0, %56 ]
%65 = call i32 @f_iir_derivative_filter(double* %1, double* %1, i32 %2, i32 %3, double %15, i32 1)
%66 = add nuw nsw i32 %64, 1
%67 = icmp eq i32 %66, %8
br i1 %67, label %68, label %63
68: ; preds = %63, %56
ret void
}