#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 */
float cosf(float);
float sinf(float);
float *mat3_rotation_y(float *result, float angle) {
  float c = cosf(angle);
  float s = sinf(angle);
  result[0] = c;
  result[1] = 0.0f;
  result[2] = -s;
  result[3] = 0.0f;
  result[4] = 0.0f;
  result[5] = 0.0f;
  result[6] = s;
  result[7] = 0.0f;
  result[8] = c;
  return result;
}


x86 assembly (clang, -O0):
<mat3_rotation_y>:
push   %rbp
mov    %rsp,%rbp
sub    $0x20,%rsp
mov    %rdi,-0x8(%rbp)
movss  %xmm0,-0xc(%rbp)
movss  -0xc(%rbp),%xmm0
call   1040 <cosf@plt>
movss  %xmm0,-0x10(%rbp)
movss  -0xc(%rbp),%xmm0
call   1030 <sinf@plt>
movss  %xmm0,-0x14(%rbp)
movss  -0x10(%rbp),%xmm0
mov    -0x8(%rbp),%rax
movss  %xmm0,(%rax)
mov    -0x8(%rbp),%rax
xorps  %xmm0,%xmm0
movss  %xmm0,0x4(%rax)
movss  -0x14(%rbp),%xmm0
movd   %xmm0,%eax
xor    $0x80000000,%eax
movd   %eax,%xmm0
mov    -0x8(%rbp),%rax
movss  %xmm0,0x8(%rax)
mov    -0x8(%rbp),%rax
xorps  %xmm0,%xmm0
movss  %xmm0,0xc(%rax)
mov    -0x8(%rbp),%rax
xorps  %xmm0,%xmm0
movss  %xmm0,0x10(%rax)
mov    -0x8(%rbp),%rax
xorps  %xmm0,%xmm0
movss  %xmm0,0x14(%rax)
movss  -0x14(%rbp),%xmm0
mov    -0x8(%rbp),%rax
movss  %xmm0,0x18(%rax)
mov    -0x8(%rbp),%rax
xorps  %xmm0,%xmm0
movss  %xmm0,0x1c(%rax)
movss  -0x10(%rbp),%xmm0
mov    -0x8(%rbp),%rax
movss  %xmm0,0x20(%rax)
mov    -0x8(%rbp),%rax
add    $0x20,%rsp
pop    %rbp
ret

x86 assembly (clang, -O2):
<mat3_rotation_y>:
push   %rbx
sub    $0x10,%rsp
movss  %xmm0,0x8(%rsp)
mov    %rdi,%rbx
call   1040 <cosf@plt>
movss  %xmm0,0xc(%rsp)
movss  0x8(%rsp),%xmm0
call   1030 <sinf@plt>
movss  0xc(%rsp),%xmm2
movss  %xmm2,(%rbx)
movl   $0x0,0x4(%rbx)
movaps 0xea4(%rip),%xmm1
xorps  %xmm0,%xmm1
movss  %xmm1,0x8(%rbx)
movq   $0x0,0xc(%rbx)
movl   $0x0,0x14(%rbx)
movss  %xmm0,0x18(%rbx)
movl   $0x0,0x1c(%rbx)
movss  %xmm2,0x20(%rbx)
mov    %rbx,%rax
add    $0x10,%rsp
pop    %rbx
ret

LLVM IR (-O0):
define float* @mat3_rotation_y(float* %0, float %1) {
%3 = alloca float*
%4 = alloca float
%5 = alloca float
%6 = alloca float
store float* %0, float** %3
store float %1, float* %4
%7 = load float, float* %4
%8 = call float @cosf(float %7)
store float %8, float* %5
%9 = load float, float* %4
%10 = call float @sinf(float %9)
store float %10, float* %6
%11 = load float, float* %5
%12 = load float*, float** %3
%13 = getelementptr inbounds float, float* %12, i64 0
store float %11, float* %13
%14 = load float*, float** %3
%15 = getelementptr inbounds float, float* %14, i64 1
store float 0.000000e+00, float* %15
%16 = load float, float* %6
%17 = fneg float %16
%18 = load float*, float** %3
%19 = getelementptr inbounds float, float* %18, i64 2
store float %17, float* %19
%20 = load float*, float** %3
%21 = getelementptr inbounds float, float* %20, i64 3
store float 0.000000e+00, float* %21
%22 = load float*, float** %3
%23 = getelementptr inbounds float, float* %22, i64 4
store float 0.000000e+00, float* %23
%24 = load float*, float** %3
%25 = getelementptr inbounds float, float* %24, i64 5
store float 0.000000e+00, float* %25
%26 = load float, float* %6
%27 = load float*, float** %3
%28 = getelementptr inbounds float, float* %27, i64 6
store float %26, float* %28
%29 = load float*, float** %3
%30 = getelementptr inbounds float, float* %29, i64 7
store float 0.000000e+00, float* %30
%31 = load float, float* %5
%32 = load float*, float** %3
%33 = getelementptr inbounds float, float* %32, i64 8
store float %31, float* %33
%34 = load float*, float** %3
ret float* %34
}

LLVM IR (-O2):
define float* @mat3_rotation_y(float* returned writeonly %0, float %1) {
%3 = tail call float @cosf(float %1)
%4 = tail call float @sinf(float %1)
store float %3, float* %0
%5 = getelementptr inbounds float, float* %0, i64 1
store float 0.000000e+00, float* %5
%6 = fneg float %4
%7 = getelementptr inbounds float, float* %0, i64 2
store float %6, float* %7
%8 = getelementptr inbounds float, float* %0, i64 3
store float 0.000000e+00, float* %8
%9 = getelementptr inbounds float, float* %0, i64 4
store float 0.000000e+00, float* %9
%10 = getelementptr inbounds float, float* %0, i64 5
store float 0.000000e+00, float* %10
%11 = getelementptr inbounds float, float* %0, i64 6
store float %4, float* %11
%12 = getelementptr inbounds float, float* %0, i64 7
store float 0.000000e+00, float* %12
%13 = getelementptr inbounds float, float* %0, i64 8
store float %3, float* %13
ret float* %0
}