void SEIR_model_rlsoda(double t, double *y, double *ydot, void *data) {
  double *parms = (double *)data;
  double L_M = parms[0], L_H = parms[1], D_EM = parms[2], D_EH = parms[3],
         D_IH = parms[4], b = parms[5], p_HM = parms[6], p_MH = parms[7],
         seeding = parms[8];
  double S_M = y[0];
  double E_M = y[1];
  double I_M = y[2];
  double S_H = y[3];
  double E_H = y[4];
  double I_H = y[5];
  double R_H = y[6];
  double N_H = S_H + E_H + I_H + R_H;
  double N_M = S_M + E_M + I_M;
  double lambda_M = b * p_HM * (I_H) / N_H;
  double lambda_H = (b * p_MH * I_M / N_H);
  if (t < seeding) {
    S_H = S_H + I_H;
    I_H = 0;
    ydot[0] = N_M / L_M - y[0] / L_M;
    ydot[1] = -E_M / L_M;
    ydot[2] = -I_M / L_M;
    ydot[3] = N_H / L_H - S_H / L_H;
    ydot[4] = -E_H / L_H;
    ydot[5] = -I_H / L_H;
    ydot[6] = -R_H / L_H;
    ydot[7] = 0;
  } else {
    ydot[0] = N_M / L_M - y[0] / L_M - lambda_M * y[0];
    ydot[1] = lambda_M * y[0] - E_M / L_M - E_M / D_EM;
    ydot[2] = E_M / D_EM - I_M / L_M;
    ydot[3] = N_H / L_H - S_H / L_H - lambda_H * S_H;
    ydot[4] = lambda_H * S_H - E_H / L_H - E_H / D_EH;
    ydot[5] = E_H / D_EH - I_H / L_H - I_H / D_IH;
    ydot[6] = I_H / D_IH - R_H / L_H;
    ydot[7] = E_H / D_EH - E_H / L_H;
  }
}


x86 assembly (clang, -O0):
<SEIR_model_rlsoda>:
push   %rbp
mov    %rsp,%rbp
sub    $0x48,%rsp
movsd  %xmm0,-0x8(%rbp)
mov    %rdi,-0x10(%rbp)
mov    %rsi,-0x18(%rbp)
mov    %rdx,-0x20(%rbp)
mov    -0x20(%rbp),%rax
mov    %rax,-0x28(%rbp)
mov    -0x28(%rbp),%rax
movsd  (%rax),%xmm0
movsd  %xmm0,-0x30(%rbp)
mov    -0x28(%rbp),%rax
movsd  0x8(%rax),%xmm0
movsd  %xmm0,-0x38(%rbp)
mov    -0x28(%rbp),%rax
movsd  0x10(%rax),%xmm0
movsd  %xmm0,-0x40(%rbp)
mov    -0x28(%rbp),%rax
movsd  0x18(%rax),%xmm0
movsd  %xmm0,-0x48(%rbp)
mov    -0x28(%rbp),%rax
movsd  0x20(%rax),%xmm0
movsd  %xmm0,-0x50(%rbp)
mov    -0x28(%rbp),%rax
movsd  0x28(%rax),%xmm0
movsd  %xmm0,-0x58(%rbp)
mov    -0x28(%rbp),%rax
movsd  0x30(%rax),%xmm0
movsd  %xmm0,-0x60(%rbp)
mov    -0x28(%rbp),%rax
movsd  0x38(%rax),%xmm0
movsd  %xmm0,-0x68(%rbp)
mov    -0x28(%rbp),%rax
movsd  0x40(%rax),%xmm0
movsd  %xmm0,-0x70(%rbp)
mov    -0x10(%rbp),%rax
movsd  (%rax),%xmm0
movsd  %xmm0,-0x78(%rbp)
mov    -0x10(%rbp),%rax
movsd  0x8(%rax),%xmm0
movsd  %xmm0,-0x80(%rbp)
mov    -0x10(%rbp),%rax
movsd  0x10(%rax),%xmm0
movsd  %xmm0,-0x88(%rbp)
ff
mov    -0x10(%rbp),%rax
movsd  0x18(%rax),%xmm0
movsd  %xmm0,-0x90(%rbp)
ff
mov    -0x10(%rbp),%rax
movsd  0x20(%rax),%xmm0
movsd  %xmm0,-0x98(%rbp)
ff
mov    -0x10(%rbp),%rax
movsd  0x28(%rax),%xmm0
movsd  %xmm0,-0xa0(%rbp)
ff
mov    -0x10(%rbp),%rax
movsd  0x30(%rax),%xmm0
movsd  %xmm0,-0xa8(%rbp)
ff
movsd  -0x90(%rbp),%xmm0
ff
addsd  -0x98(%rbp),%xmm0
ff
addsd  -0xa0(%rbp),%xmm0
ff
addsd  -0xa8(%rbp),%xmm0
ff
movsd  %xmm0,-0xb0(%rbp)
ff
movsd  -0x78(%rbp),%xmm0
addsd  -0x80(%rbp),%xmm0
addsd  -0x88(%rbp),%xmm0
ff
movsd  %xmm0,-0xb8(%rbp)
ff
movsd  -0x58(%rbp),%xmm0
mulsd  -0x60(%rbp),%xmm0
mulsd  -0xa0(%rbp),%xmm0
ff
divsd  -0xb0(%rbp),%xmm0
ff
movsd  %xmm0,-0xc0(%rbp)
ff
movsd  -0x58(%rbp),%xmm0
mulsd  -0x68(%rbp),%xmm0
mulsd  -0x88(%rbp),%xmm0
ff
divsd  -0xb0(%rbp),%xmm0
ff
movsd  %xmm0,-0xc8(%rbp)
ff
movsd  -0x8(%rbp),%xmm1
movsd  -0x70(%rbp),%xmm0
ucomisd %xmm1,%xmm0
jbe    1407 <SEIR_model_rlsoda+0x307>
movsd  -0x90(%rbp),%xmm0
ff
addsd  -0xa0(%rbp),%xmm0
ff
movsd  %xmm0,-0x90(%rbp)
ff
xorps  %xmm0,%xmm0
movsd  %xmm0,-0xa0(%rbp)
ff
movsd  -0xb8(%rbp),%xmm0
ff
divsd  -0x30(%rbp),%xmm0
mov    -0x10(%rbp),%rax
movsd  (%rax),%xmm1
divsd  -0x30(%rbp),%xmm1
subsd  %xmm1,%xmm0
mov    -0x18(%rbp),%rax
movsd  %xmm0,(%rax)
movsd  -0x80(%rbp),%xmm0
movq   %xmm0,%rax
movabs $0x8000000000000000,%rcx
xor    %rcx,%rax
movq   %rax,%xmm0
divsd  -0x30(%rbp),%xmm0
mov    -0x18(%rbp),%rax
movsd  %xmm0,0x8(%rax)
movsd  -0x88(%rbp),%xmm0
ff
movq   %xmm0,%rax
movabs $0x8000000000000000,%rcx
xor    %rcx,%rax
movq   %rax,%xmm0
divsd  -0x30(%rbp),%xmm0
mov    -0x18(%rbp),%rax
movsd  %xmm0,0x10(%rax)
movsd  -0xb0(%rbp),%xmm0
ff
divsd  -0x38(%rbp),%xmm0
movsd  -0x90(%rbp),%xmm1
ff
divsd  -0x38(%rbp),%xmm1
subsd  %xmm1,%xmm0
mov    -0x18(%rbp),%rax
movsd  %xmm0,0x18(%rax)
movsd  -0x98(%rbp),%xmm0
ff
movq   %xmm0,%rax
movabs $0x8000000000000000,%rcx
xor    %rcx,%rax
movq   %rax,%xmm0
divsd  -0x38(%rbp),%xmm0
mov    -0x18(%rbp),%rax
movsd  %xmm0,0x20(%rax)
movsd  -0xa0(%rbp),%xmm0
ff
movq   %xmm0,%rax
movabs $0x8000000000000000,%rcx
xor    %rcx,%rax
movq   %rax,%xmm0
divsd  -0x38(%rbp),%xmm0
mov    -0x18(%rbp),%rax
movsd  %xmm0,0x28(%rax)
movsd  -0xa8(%rbp),%xmm0
ff
movq   %xmm0,%rax
movabs $0x8000000000000000,%rcx
xor    %rcx,%rax
movq   %rax,%xmm0
divsd  -0x38(%rbp),%xmm0
mov    -0x18(%rbp),%rax
movsd  %xmm0,0x30(%rax)
mov    -0x18(%rbp),%rax
xorps  %xmm0,%xmm0
movsd  %xmm0,0x38(%rax)
jmp    1602 <SEIR_model_rlsoda+0x502>
movsd  -0xb8(%rbp),%xmm1
ff
divsd  -0x30(%rbp),%xmm1
mov    -0x10(%rbp),%rax
movsd  (%rax),%xmm0
divsd  -0x30(%rbp),%xmm0
subsd  %xmm0,%xmm1
movsd  -0xc0(%rbp),%xmm0
ff
mov    -0x10(%rbp),%rax
movsd  (%rax),%xmm2
movq   %xmm0,%rax
movabs $0x8000000000000000,%rcx
xor    %rcx,%rax
movq   %rax,%xmm0
mulsd  %xmm2,%xmm0
addsd  %xmm1,%xmm0
mov    -0x18(%rbp),%rax
movsd  %xmm0,(%rax)
movsd  -0xc0(%rbp),%xmm0
ff
mov    -0x10(%rbp),%rax
movsd  (%rax),%xmm2
movsd  -0x80(%rbp),%xmm1
divsd  -0x30(%rbp),%xmm1
movq   %xmm1,%rax
movabs $0x8000000000000000,%rcx
xor    %rcx,%rax
movq   %rax,%xmm1
mulsd  %xmm2,%xmm0
addsd  %xmm1,%xmm0
movsd  -0x80(%rbp),%xmm1
divsd  -0x40(%rbp),%xmm1
subsd  %xmm1,%xmm0
mov    -0x18(%rbp),%rax
movsd  %xmm0,0x8(%rax)
movsd  -0x80(%rbp),%xmm0
divsd  -0x40(%rbp),%xmm0
movsd  -0x88(%rbp),%xmm1
ff
divsd  -0x30(%rbp),%xmm1
subsd  %xmm1,%xmm0
mov    -0x18(%rbp),%rax
movsd  %xmm0,0x10(%rax)
movsd  -0xb0(%rbp),%xmm1
ff
divsd  -0x38(%rbp),%xmm1
movsd  -0x90(%rbp),%xmm0
ff
divsd  -0x38(%rbp),%xmm0
subsd  %xmm0,%xmm1
movsd  -0xc8(%rbp),%xmm0
ff
movsd  -0x90(%rbp),%xmm2
ff
movq   %xmm0,%rax
movabs $0x8000000000000000,%rcx
xor    %rcx,%rax
movq   %rax,%xmm0
mulsd  %xmm2,%xmm0
addsd  %xmm1,%xmm0
mov    -0x18(%rbp),%rax
movsd  %xmm0,0x18(%rax)
movsd  -0xc8(%rbp),%xmm0
ff
movsd  -0x90(%rbp),%xmm2
ff
movsd  -0x98(%rbp),%xmm1
ff
divsd  -0x38(%rbp),%xmm1
movq   %xmm1,%rax
movabs $0x8000000000000000,%rcx
xor    %rcx,%rax
movq   %rax,%xmm1
mulsd  %xmm2,%xmm0
addsd  %xmm1,%xmm0
movsd  -0x98(%rbp),%xmm1
ff
divsd  -0x48(%rbp),%xmm1
subsd  %xmm1,%xmm0
mov    -0x18(%rbp),%rax
movsd  %xmm0,0x20(%rax)
movsd  -0x98(%rbp),%xmm0
ff
divsd  -0x48(%rbp),%xmm0
movsd  -0xa0(%rbp),%xmm1
ff
divsd  -0x38(%rbp),%xmm1
subsd  %xmm1,%xmm0
movsd  -0xa0(%rbp),%xmm1
ff
divsd  -0x50(%rbp),%xmm1
subsd  %xmm1,%xmm0
mov    -0x18(%rbp),%rax
movsd  %xmm0,0x28(%rax)
movsd  -0xa0(%rbp),%xmm0
ff
divsd  -0x50(%rbp),%xmm0
movsd  -0xa8(%rbp),%xmm1
ff
divsd  -0x38(%rbp),%xmm1
subsd  %xmm1,%xmm0
mov    -0x18(%rbp),%rax
movsd  %xmm0,0x30(%rax)
movsd  -0x98(%rbp),%xmm0
ff
divsd  -0x48(%rbp),%xmm0
movsd  -0x98(%rbp),%xmm1
ff
divsd  -0x38(%rbp),%xmm1
subsd  %xmm1,%xmm0
mov    -0x18(%rbp),%rax
movsd  %xmm0,0x38(%rax)
add    $0x48,%rsp
pop    %rbp
ret

x86 assembly (clang, -O2):
<SEIR_model_rlsoda>:
movsd  (%rdx),%xmm11
movsd  0x8(%rdx),%xmm8
movsd  0x40(%rdx),%xmm5
movsd  (%rdi),%xmm3
movupd 0x8(%rdi),%xmm6
movsd  0x18(%rdi),%xmm12
movupd 0x20(%rdi),%xmm1
movsd  0x30(%rdi),%xmm9
movapd %xmm12,%xmm4
addsd  %xmm1,%xmm4
movapd %xmm1,%xmm13
unpckhpd %xmm1,%xmm13
addsd  %xmm13,%xmm4
addsd  %xmm9,%xmm4
movapd %xmm3,%xmm2
addsd  %xmm6,%xmm2
movapd %xmm6,%xmm7
unpckhpd %xmm6,%xmm7
addsd  %xmm7,%xmm2
ucomisd %xmm0,%xmm5
jbe    11d6 <SEIR_model_rlsoda+0xd6>
addsd  %xmm13,%xmm12
divsd  %xmm11,%xmm2
divsd  %xmm11,%xmm3
subsd  %xmm3,%xmm2
movsd  %xmm2,(%rsi)
movapd 0xe80(%rip),%xmm0
xorpd  %xmm0,%xmm6
unpcklpd %xmm11,%xmm11
divpd  %xmm11,%xmm6
movupd %xmm6,0x8(%rsi)
divsd  %xmm8,%xmm4
divsd  %xmm8,%xmm12
subsd  %xmm12,%xmm4
movsd  %xmm4,0x18(%rsi)
xorpd  %xmm0,%xmm1
shufpd $0x2,0xe5c(%rip),%xmm1
movapd %xmm8,%xmm2
unpcklpd %xmm8,%xmm2
divpd  %xmm2,%xmm1
xorpd  %xmm0,%xmm9
divsd  %xmm8,%xmm9
movq   %xmm9,%xmm2
jmp    12b1 <SEIR_model_rlsoda+0x1b1>
movsd  0x28(%rdx),%xmm0
movsd  0x30(%rdx),%xmm5
mulsd  %xmm0,%xmm5
mulsd  %xmm13,%xmm5
divsd  %xmm4,%xmm5
mulsd  0x38(%rdx),%xmm0
mulsd  %xmm7,%xmm0
divsd  %xmm4,%xmm0
movupd 0x18(%rdx),%xmm10
divsd  %xmm11,%xmm2
movapd %xmm5,%xmm7
mulsd  %xmm3,%xmm7
divsd  %xmm11,%xmm3
subsd  %xmm3,%xmm2
subsd  %xmm7,%xmm2
movsd  0x10(%rdx),%xmm3
movsd  %xmm2,(%rsi)
movapd %xmm6,%xmm2
divsd  %xmm11,%xmm2
mulsd  (%rdi),%xmm5
subsd  %xmm2,%xmm5
unpcklpd %xmm11,%xmm3
divpd  %xmm3,%xmm6
unpcklpd %xmm6,%xmm5
subpd  %xmm6,%xmm5
movupd %xmm5,0x8(%rsi)
divsd  %xmm8,%xmm4
mulsd  %xmm12,%xmm0
divsd  %xmm8,%xmm12
subsd  %xmm12,%xmm4
subsd  %xmm0,%xmm4
movsd  %xmm4,0x18(%rsi)
unpcklpd %xmm1,%xmm9
divsd  %xmm8,%xmm13
unpcklpd %xmm8,%xmm8
divpd  %xmm8,%xmm9
movapd %xmm9,%xmm2
unpckhpd %xmm9,%xmm2
subsd  %xmm2,%xmm0
divpd  %xmm10,%xmm1
movapd %xmm1,%xmm2
subsd  %xmm13,%xmm2
unpcklpd %xmm2,%xmm0
subpd  %xmm1,%xmm0
shufpd $0x1,%xmm1,%xmm1
movapd %xmm1,%xmm2
subpd  %xmm9,%xmm2
movapd %xmm0,%xmm1
movupd %xmm1,0x20(%rsi)
movupd %xmm2,0x30(%rsi)
ret

LLVM IR (-O0):
define void @SEIR_model_rlsoda(double %0, double* %1, double* %2, i8* %3) {
%5 = alloca double
%6 = alloca double*
%7 = alloca double*
%8 = alloca i8*
%9 = alloca double*
%10 = alloca double
%11 = alloca double
%12 = alloca double
%13 = alloca double
%14 = alloca double
%15 = alloca double
%16 = alloca double
%17 = alloca double
%18 = alloca double
%19 = alloca 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 double
store double %0, double* %5
store double* %1, double** %6
store double* %2, double** %7
store i8* %3, i8** %8
%30 = load i8*, i8** %8
%31 = bitcast i8* %30 to double*
store double* %31, double** %9
%32 = load double*, double** %9
%33 = getelementptr inbounds double, double* %32, i64 0
%34 = load double, double* %33
store double %34, double* %10
%35 = load double*, double** %9
%36 = getelementptr inbounds double, double* %35, i64 1
%37 = load double, double* %36
store double %37, double* %11
%38 = load double*, double** %9
%39 = getelementptr inbounds double, double* %38, i64 2
%40 = load double, double* %39
store double %40, double* %12
%41 = load double*, double** %9
%42 = getelementptr inbounds double, double* %41, i64 3
%43 = load double, double* %42
store double %43, double* %13
%44 = load double*, double** %9
%45 = getelementptr inbounds double, double* %44, i64 4
%46 = load double, double* %45
store double %46, double* %14
%47 = load double*, double** %9
%48 = getelementptr inbounds double, double* %47, i64 5
%49 = load double, double* %48
store double %49, double* %15
%50 = load double*, double** %9
%51 = getelementptr inbounds double, double* %50, i64 6
%52 = load double, double* %51
store double %52, double* %16
%53 = load double*, double** %9
%54 = getelementptr inbounds double, double* %53, i64 7
%55 = load double, double* %54
store double %55, double* %17
%56 = load double*, double** %9
%57 = getelementptr inbounds double, double* %56, i64 8
%58 = load double, double* %57
store double %58, double* %18
%59 = load double*, double** %6
%60 = getelementptr inbounds double, double* %59, i64 0
%61 = load double, double* %60
store double %61, double* %19
%62 = load double*, double** %6
%63 = getelementptr inbounds double, double* %62, i64 1
%64 = load double, double* %63
store double %64, double* %20
%65 = load double*, double** %6
%66 = getelementptr inbounds double, double* %65, i64 2
%67 = load double, double* %66
store double %67, double* %21
%68 = load double*, double** %6
%69 = getelementptr inbounds double, double* %68, i64 3
%70 = load double, double* %69
store double %70, double* %22
%71 = load double*, double** %6
%72 = getelementptr inbounds double, double* %71, i64 4
%73 = load double, double* %72
store double %73, double* %23
%74 = load double*, double** %6
%75 = getelementptr inbounds double, double* %74, i64 5
%76 = load double, double* %75
store double %76, double* %24
%77 = load double*, double** %6
%78 = getelementptr inbounds double, double* %77, i64 6
%79 = load double, double* %78
store double %79, double* %25
%80 = load double, double* %22
%81 = load double, double* %23
%82 = fadd double %80, %81
%83 = load double, double* %24
%84 = fadd double %82, %83
%85 = load double, double* %25
%86 = fadd double %84, %85
store double %86, double* %26
%87 = load double, double* %19
%88 = load double, double* %20
%89 = fadd double %87, %88
%90 = load double, double* %21
%91 = fadd double %89, %90
store double %91, double* %27
%92 = load double, double* %15
%93 = load double, double* %16
%94 = fmul double %92, %93
%95 = load double, double* %24
%96 = fmul double %94, %95
%97 = load double, double* %26
%98 = fdiv double %96, %97
store double %98, double* %28
%99 = load double, double* %15
%100 = load double, double* %17
%101 = fmul double %99, %100
%102 = load double, double* %21
%103 = fmul double %101, %102
%104 = load double, double* %26
%105 = fdiv double %103, %104
store double %105, double* %29
%106 = load double, double* %5
%107 = load double, double* %18
%108 = fcmp olt double %106, %107
br i1 %108, label %109, label %165
109: ; preds = %4
%110 = load double, double* %22
%111 = load double, double* %24
%112 = fadd double %110, %111
store double %112, double* %22
store double 0.000000e+00, double* %24
%113 = load double, double* %27
%114 = load double, double* %10
%115 = fdiv double %113, %114
%116 = load double*, double** %6
%117 = getelementptr inbounds double, double* %116, i64 0
%118 = load double, double* %117
%119 = load double, double* %10
%120 = fdiv double %118, %119
%121 = fsub double %115, %120
%122 = load double*, double** %7
%123 = getelementptr inbounds double, double* %122, i64 0
store double %121, double* %123
%124 = load double, double* %20
%125 = fneg double %124
%126 = load double, double* %10
%127 = fdiv double %125, %126
%128 = load double*, double** %7
%129 = getelementptr inbounds double, double* %128, i64 1
store double %127, double* %129
%130 = load double, double* %21
%131 = fneg double %130
%132 = load double, double* %10
%133 = fdiv double %131, %132
%134 = load double*, double** %7
%135 = getelementptr inbounds double, double* %134, i64 2
store double %133, double* %135
%136 = load double, double* %26
%137 = load double, double* %11
%138 = fdiv double %136, %137
%139 = load double, double* %22
%140 = load double, double* %11
%141 = fdiv double %139, %140
%142 = fsub double %138, %141
%143 = load double*, double** %7
%144 = getelementptr inbounds double, double* %143, i64 3
store double %142, double* %144
%145 = load double, double* %23
%146 = fneg double %145
%147 = load double, double* %11
%148 = fdiv double %146, %147
%149 = load double*, double** %7
%150 = getelementptr inbounds double, double* %149, i64 4
store double %148, double* %150
%151 = load double, double* %24
%152 = fneg double %151
%153 = load double, double* %11
%154 = fdiv double %152, %153
%155 = load double*, double** %7
%156 = getelementptr inbounds double, double* %155, i64 5
store double %154, double* %156
%157 = load double, double* %25
%158 = fneg double %157
%159 = load double, double* %11
%160 = fdiv double %158, %159
%161 = load double*, double** %7
%162 = getelementptr inbounds double, double* %161, i64 6
store double %160, double* %162
%163 = load double*, double** %7
%164 = getelementptr inbounds double, double* %163, i64 7
store double 0.000000e+00, double* %164
br label %264
165: ; preds = %4
%166 = load double, double* %27
%167 = load double, double* %10
%168 = fdiv double %166, %167
%169 = load double*, double** %6
%170 = getelementptr inbounds double, double* %169, i64 0
%171 = load double, double* %170
%172 = load double, double* %10
%173 = fdiv double %171, %172
%174 = fsub double %168, %173
%175 = load double, double* %28
%176 = load double*, double** %6
%177 = getelementptr inbounds double, double* %176, i64 0
%178 = load double, double* %177
%179 = fneg double %175
%180 = call double @llvm.fmuladd.f64(double %179, double %178, double %174)
%181 = load double*, double** %7
%182 = getelementptr inbounds double, double* %181, i64 0
store double %180, double* %182
%183 = load double, double* %28
%184 = load double*, double** %6
%185 = getelementptr inbounds double, double* %184, i64 0
%186 = load double, double* %185
%187 = load double, double* %20
%188 = load double, double* %10
%189 = fdiv double %187, %188
%190 = fneg double %189
%191 = call double @llvm.fmuladd.f64(double %183, double %186, double %190)
%192 = load double, double* %20
%193 = load double, double* %12
%194 = fdiv double %192, %193
%195 = fsub double %191, %194
%196 = load double*, double** %7
%197 = getelementptr inbounds double, double* %196, i64 1
store double %195, double* %197
%198 = load double, double* %20
%199 = load double, double* %12
%200 = fdiv double %198, %199
%201 = load double, double* %21
%202 = load double, double* %10
%203 = fdiv double %201, %202
%204 = fsub double %200, %203
%205 = load double*, double** %7
%206 = getelementptr inbounds double, double* %205, i64 2
store double %204, double* %206
%207 = load double, double* %26
%208 = load double, double* %11
%209 = fdiv double %207, %208
%210 = load double, double* %22
%211 = load double, double* %11
%212 = fdiv double %210, %211
%213 = fsub double %209, %212
%214 = load double, double* %29
%215 = load double, double* %22
%216 = fneg double %214
%217 = call double @llvm.fmuladd.f64(double %216, double %215, double %213)
%218 = load double*, double** %7
%219 = getelementptr inbounds double, double* %218, i64 3
store double %217, double* %219
%220 = load double, double* %29
%221 = load double, double* %22
%222 = load double, double* %23
%223 = load double, double* %11
%224 = fdiv double %222, %223
%225 = fneg double %224
%226 = call double @llvm.fmuladd.f64(double %220, double %221, double %225)
%227 = load double, double* %23
%228 = load double, double* %13
%229 = fdiv double %227, %228
%230 = fsub double %226, %229
%231 = load double*, double** %7
%232 = getelementptr inbounds double, double* %231, i64 4
store double %230, double* %232
%233 = load double, double* %23
%234 = load double, double* %13
%235 = fdiv double %233, %234
%236 = load double, double* %24
%237 = load double, double* %11
%238 = fdiv double %236, %237
%239 = fsub double %235, %238
%240 = load double, double* %24
%241 = load double, double* %14
%242 = fdiv double %240, %241
%243 = fsub double %239, %242
%244 = load double*, double** %7
%245 = getelementptr inbounds double, double* %244, i64 5
store double %243, double* %245
%246 = load double, double* %24
%247 = load double, double* %14
%248 = fdiv double %246, %247
%249 = load double, double* %25
%250 = load double, double* %11
%251 = fdiv double %249, %250
%252 = fsub double %248, %251
%253 = load double*, double** %7
%254 = getelementptr inbounds double, double* %253, i64 6
store double %252, double* %254
%255 = load double, double* %23
%256 = load double, double* %13
%257 = fdiv double %255, %256
%258 = load double, double* %23
%259 = load double, double* %11
%260 = fdiv double %258, %259
%261 = fsub double %257, %260
%262 = load double*, double** %7
%263 = getelementptr inbounds double, double* %262, i64 7
store double %261, double* %263
br label %264
264: ; preds = %165, %109
ret void
}

LLVM IR (-O2):
define void @SEIR_model_rlsoda(double %0, double* nocapture %1, double* nocapture writeonly %2, i8* nocapture %3) {
%5 = bitcast i8* %3 to double*
%6 = load double, double* %5
%7 = getelementptr inbounds i8, i8* %3, i64 8
%8 = bitcast i8* %7 to double*
%9 = load double, double* %8
%10 = getelementptr inbounds i8, i8* %3, i64 40
%11 = bitcast i8* %10 to double*
%12 = load double, double* %11
%13 = getelementptr inbounds i8, i8* %3, i64 48
%14 = bitcast i8* %13 to double*
%15 = load double, double* %14
%16 = getelementptr inbounds i8, i8* %3, i64 56
%17 = bitcast i8* %16 to double*
%18 = load double, double* %17
%19 = getelementptr inbounds i8, i8* %3, i64 64
%20 = bitcast i8* %19 to double*
%21 = load double, double* %20
%22 = load double, double* %1
%23 = getelementptr inbounds double, double* %1, i64 1
%24 = bitcast double* %23 to <2 x double>*
%25 = load <2 x double>, <2 x double>* %24
%26 = getelementptr inbounds double, double* %1, i64 3
%27 = load double, double* %26
%28 = getelementptr inbounds double, double* %1, i64 4
%29 = bitcast double* %28 to <2 x double>*
%30 = load <2 x double>, <2 x double>* %29
%31 = getelementptr inbounds double, double* %1, i64 6
%32 = load double, double* %31
%33 = extractelement <2 x double> %30, i64 0
%34 = fadd double %27, %33
%35 = extractelement <2 x double> %30, i64 1
%36 = fadd double %34, %35
%37 = fadd double %36, %32
%38 = extractelement <2 x double> %25, i64 0
%39 = fadd double %22, %38
%40 = extractelement <2 x double> %25, i64 1
%41 = fadd double %39, %40
%42 = fmul double %12, %15
%43 = fmul double %42, %35
%44 = fdiv double %43, %37
%45 = fmul double %12, %18
%46 = fmul double %45, %40
%47 = fdiv double %46, %37
%48 = fcmp ogt double %21, %0
br i1 %48, label %49, label %72
49: ; preds = %4
%50 = fadd double %27, %35
%51 = fdiv double %41, %6
%52 = fdiv double %22, %6
%53 = fsub double %51, %52
store double %53, double* %2
%54 = getelementptr inbounds double, double* %2, i64 1
%55 = fneg <2 x double> %25
%56 = insertelement <2 x double> poison, double %6, i64 0
%57 = shufflevector <2 x double> %56, <2 x double> poison, <2 x i32> zeroinitializer
%58 = fdiv <2 x double> %55, %57
%59 = bitcast double* %54 to <2 x double>*
store <2 x double> %58, <2 x double>* %59
%60 = fdiv double %37, %9
%61 = fdiv double %50, %9
%62 = fsub double %60, %61
%63 = getelementptr inbounds double, double* %2, i64 3
store double %62, double* %63
%64 = fneg double %33
%65 = insertelement <2 x double> <double poison, double -0.000000e+00>, double %64, i64 0
%66 = insertelement <2 x double> poison, double %9, i64 0
%67 = shufflevector <2 x double> %66, <2 x double> poison, <2 x i32> zeroinitializer
%68 = fdiv <2 x double> %65, %67
%69 = fneg double %32
%70 = fdiv double %69, %9
%71 = insertelement <2 x double> <double poison, double 0.000000e+00>, double %70, i64 0
br label %119
72: ; preds = %4
%73 = getelementptr inbounds i8, i8* %3, i64 24
%74 = bitcast i8* %73 to <2 x double>*
%75 = load <2 x double>, <2 x double>* %74
%76 = getelementptr inbounds i8, i8* %3, i64 16
%77 = bitcast i8* %76 to double*
%78 = load double, double* %77
%79 = fdiv double %41, %6
%80 = fdiv double %22, %6
%81 = fsub double %79, %80
%82 = fneg double %44
%83 = tail call double @llvm.fmuladd.f64(double %82, double %22, double %81)
store double %83, double* %2
%84 = load double, double* %1
%85 = fneg double %38
%86 = fdiv double %85, %6
%87 = tail call double @llvm.fmuladd.f64(double %44, double %84, double %86)
%88 = getelementptr inbounds double, double* %2, i64 1
%89 = insertelement <2 x double> poison, double %78, i64 0
%90 = insertelement <2 x double> %89, double %6, i64 1
%91 = fdiv <2 x double> %25, %90
%92 = insertelement <2 x double> poison, double %87, i64 0
%93 = shufflevector <2 x double> %92, <2 x double> %91, <2 x i32> <i32 0, i32 2>
%94 = fsub <2 x double> %93, %91
%95 = bitcast double* %88 to <2 x double>*
store <2 x double> %94, <2 x double>* %95
%96 = fdiv double %37, %9
%97 = fdiv double %27, %9
%98 = fsub double %96, %97
%99 = fneg double %47
%100 = tail call double @llvm.fmuladd.f64(double %99, double %27, double %98)
%101 = getelementptr inbounds double, double* %2, i64 3
store double %100, double* %101
%102 = insertelement <2 x double> poison, double %32, i64 0
%103 = shufflevector <2 x double> %102, <2 x double> %30, <2 x i32> <i32 0, i32 2>
%104 = insertelement <2 x double> poison, double %9, i64 0
%105 = shufflevector <2 x double> %104, <2 x double> poison, <2 x i32> zeroinitializer
%106 = fdiv <2 x double> %103, %105
%107 = extractelement <2 x double> %106, i64 1
%108 = fneg double %107
%109 = tail call double @llvm.fmuladd.f64(double %47, double %27, double %108)
%110 = fdiv double %35, %9
%111 = fdiv <2 x double> %30, %75
%112 = extractelement <2 x double> %111, i64 0
%113 = fsub double %112, %110
%114 = insertelement <2 x double> poison, double %109, i64 0
%115 = insertelement <2 x double> %114, double %113, i64 1
%116 = fsub <2 x double> %115, %111
%117 = shufflevector <2 x double> %111, <2 x double> poison, <2 x i32> <i32 1, i32 0>
%118 = fsub <2 x double> %117, %106
br label %119
119: ; preds = %72, %49
%120 = phi <2 x double> [ %68, %49 ], [ %116, %72 ]
%121 = phi <2 x double> [ %71, %49 ], [ %118, %72 ]
%122 = getelementptr inbounds double, double* %2, i64 4
%123 = bitcast double* %122 to <2 x double>*
store <2 x double> %120, <2 x double>* %123
%124 = getelementptr inbounds double, double* %2, i64 6
%125 = bitcast double* %124 to <2 x double>*
store <2 x double> %121, <2 x double>* %125
ret void
}