#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 */
double cos(double);
double sin(double);
void cmatrix_roty(double *m, double angle) {
  m[((((1) - 1) * 3) + ((1) - 1))] = cos(angle);
  m[((((2) - 1) * 3) + ((1) - 1))] = 0.0;
  m[((((3) - 1) * 3) + ((1) - 1))] = -sin(angle);
  m[((((1) - 1) * 3) + ((2) - 1))] = 0.0;
  m[((((2) - 1) * 3) + ((2) - 1))] = 1.0;
  m[((((3) - 1) * 3) + ((2) - 1))] = 0.0;
  ;
  m[((((1) - 1) * 3) + ((3) - 1))] = sin(angle);
  m[((((2) - 1) * 3) + ((3) - 1))] = 0.0;
  m[((((3) - 1) * 3) + ((3) - 1))] = cos(angle);
}


x86 assembly (clang, -O0):
<cmatrix_roty>:
push   %rbp
mov    %rsp,%rbp
sub    $0x10,%rsp
mov    %rdi,-0x8(%rbp)
movsd  %xmm0,-0x10(%rbp)
movsd  -0x10(%rbp),%xmm0
call   1040 <cos@plt>
mov    -0x8(%rbp),%rax
movsd  %xmm0,(%rax)
mov    -0x8(%rbp),%rax
xorps  %xmm0,%xmm0
movsd  %xmm0,0x18(%rax)
movsd  -0x10(%rbp),%xmm0
call   1030 <sin@plt>
movq   %xmm0,%rax
movabs $0x8000000000000000,%rcx
xor    %rcx,%rax
movq   %rax,%xmm0
mov    -0x8(%rbp),%rax
movsd  %xmm0,0x30(%rax)
mov    -0x8(%rbp),%rax
xorps  %xmm0,%xmm0
movsd  %xmm0,0x8(%rax)
mov    -0x8(%rbp),%rax
movsd  0xe6f(%rip),%xmm0
movsd  %xmm0,0x20(%rax)
mov    -0x8(%rbp),%rax
xorps  %xmm0,%xmm0
movsd  %xmm0,0x38(%rax)
movsd  -0x10(%rbp),%xmm0
call   1030 <sin@plt>
mov    -0x8(%rbp),%rax
movsd  %xmm0,0x10(%rax)
mov    -0x8(%rbp),%rax
xorps  %xmm0,%xmm0
movsd  %xmm0,0x28(%rax)
movsd  -0x10(%rbp),%xmm0
call   1040 <cos@plt>
mov    -0x8(%rbp),%rax
movsd  %xmm0,0x40(%rax)
add    $0x10,%rsp
pop    %rbp
ret

x86 assembly (clang, -O2):
<cmatrix_roty>:
push   %rbx
sub    $0x10,%rsp
movsd  %xmm0,0x8(%rsp)
mov    %rdi,%rbx
call   1040 <cos@plt>
movsd  %xmm0,(%rbx)
movq   $0x0,0x18(%rbx)
movsd  0x8(%rsp),%xmm0
call   1030 <sin@plt>
xorps  0xeaf(%rip),%xmm0
movlps %xmm0,0x30(%rbx)
movq   $0x0,0x8(%rbx)
movabs $0x3ff0000000000000,%rax
mov    %rax,0x20(%rbx)
movq   $0x0,0x38(%rbx)
movsd  0x8(%rsp),%xmm0
call   1030 <sin@plt>
movsd  %xmm0,0x10(%rbx)
movq   $0x0,0x28(%rbx)
movsd  0x8(%rsp),%xmm0
call   1040 <cos@plt>
movsd  %xmm0,0x40(%rbx)
add    $0x10,%rsp
pop    %rbx
ret

LLVM IR (-O0):
define void @cmatrix_roty(double* %0, double %1) {
%3 = alloca double*
%4 = alloca double
store double* %0, double** %3
store double %1, double* %4
%5 = load double, double* %4
%6 = call double @cos(double %5)
%7 = load double*, double** %3
%8 = getelementptr inbounds double, double* %7, i64 0
store double %6, double* %8
%9 = load double*, double** %3
%10 = getelementptr inbounds double, double* %9, i64 3
store double 0.000000e+00, double* %10
%11 = load double, double* %4
%12 = call double @sin(double %11)
%13 = fneg double %12
%14 = load double*, double** %3
%15 = getelementptr inbounds double, double* %14, i64 6
store double %13, double* %15
%16 = load double*, double** %3
%17 = getelementptr inbounds double, double* %16, i64 1
store double 0.000000e+00, double* %17
%18 = load double*, double** %3
%19 = getelementptr inbounds double, double* %18, i64 4
store double 1.000000e+00, double* %19
%20 = load double*, double** %3
%21 = getelementptr inbounds double, double* %20, i64 7
store double 0.000000e+00, double* %21
%22 = load double, double* %4
%23 = call double @sin(double %22)
%24 = load double*, double** %3
%25 = getelementptr inbounds double, double* %24, i64 2
store double %23, double* %25
%26 = load double*, double** %3
%27 = getelementptr inbounds double, double* %26, i64 5
store double 0.000000e+00, double* %27
%28 = load double, double* %4
%29 = call double @cos(double %28)
%30 = load double*, double** %3
%31 = getelementptr inbounds double, double* %30, i64 8
store double %29, double* %31
ret void
}

LLVM IR (-O2):
define void @cmatrix_roty(double* nocapture writeonly %0, double %1) {
%3 = tail call double @cos(double %1)
store double %3, double* %0
%4 = getelementptr inbounds double, double* %0, i64 3
store double 0.000000e+00, double* %4
%5 = tail call double @sin(double %1)
%6 = fneg double %5
%7 = getelementptr inbounds double, double* %0, i64 6
store double %6, double* %7
%8 = getelementptr inbounds double, double* %0, i64 1
store double 0.000000e+00, double* %8
%9 = getelementptr inbounds double, double* %0, i64 4
store double 1.000000e+00, double* %9
%10 = getelementptr inbounds double, double* %0, i64 7
store double 0.000000e+00, double* %10
%11 = tail call double @sin(double %1)
%12 = getelementptr inbounds double, double* %0, i64 2
store double %11, double* %12
%13 = getelementptr inbounds double, double* %0, i64 5
store double 0.000000e+00, double* %13
%14 = tail call double @cos(double %1)
%15 = getelementptr inbounds double, double* %0, i64 8
store double %14, double* %15
ret void
}