#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 cos(float);
float glmRadf(float);
float sin(float);
void glmGenerateRotationMatrix2fDeg(float m[4], float angle) {
  angle = glmRadf(angle);
  m[0] = cos(angle);
  m[2] = -sin(angle);
  m[1] = sin(angle);
  m[3] = cos(angle);
}


x86 assembly (clang, -O0):
<glmGenerateRotationMatrix2fDeg>:
push   %rbp
mov    %rsp,%rbp
sub    $0x10,%rsp
mov    %rdi,-0x8(%rbp)
movss  %xmm0,-0xc(%rbp)
movss  -0xc(%rbp),%xmm0
call   1030 <glmRadf@plt>
movss  %xmm0,-0xc(%rbp)
movss  -0xc(%rbp),%xmm0
call   1050 <cos@plt>
mov    -0x8(%rbp),%rax
movss  %xmm0,(%rax)
movss  -0xc(%rbp),%xmm0
call   1040 <sin@plt>
movd   %xmm0,%eax
xor    $0x80000000,%eax
movd   %eax,%xmm0
mov    -0x8(%rbp),%rax
movss  %xmm0,0x8(%rax)
movss  -0xc(%rbp),%xmm0
call   1040 <sin@plt>
mov    -0x8(%rbp),%rax
movss  %xmm0,0x4(%rax)
movss  -0xc(%rbp),%xmm0
call   1050 <cos@plt>
mov    -0x8(%rbp),%rax
movss  %xmm0,0xc(%rax)
add    $0x10,%rsp
pop    %rbp
ret

x86 assembly (clang, -O2):
<glmGenerateRotationMatrix2fDeg>:
push   %rbx
sub    $0x10,%rsp
mov    %rdi,%rbx
call   1030 <glmRadf@plt>
movss  %xmm0,0xc(%rsp)
call   1050 <cos@plt>
movss  %xmm0,(%rbx)
movss  0xc(%rsp),%xmm0
call   1040 <sin@plt>
xorps  0xea2(%rip),%xmm0
movss  %xmm0,0x8(%rbx)
movss  0xc(%rsp),%xmm0
call   1040 <sin@plt>
movss  %xmm0,0x4(%rbx)
movss  0xc(%rsp),%xmm0
call   1050 <cos@plt>
movss  %xmm0,0xc(%rbx)
add    $0x10,%rsp
pop    %rbx
ret

LLVM IR (-O0):
define void @glmGenerateRotationMatrix2fDeg(float* %0, float %1) {
%3 = alloca float*
%4 = alloca float
store float* %0, float** %3
store float %1, float* %4
%5 = load float, float* %4
%6 = call float @glmRadf(float %5)
store float %6, float* %4
%7 = load float, float* %4
%8 = call float @cos(float %7)
%9 = load float*, float** %3
%10 = getelementptr inbounds float, float* %9, i64 0
store float %8, float* %10
%11 = load float, float* %4
%12 = call float @sin(float %11)
%13 = fneg float %12
%14 = load float*, float** %3
%15 = getelementptr inbounds float, float* %14, i64 2
store float %13, float* %15
%16 = load float, float* %4
%17 = call float @sin(float %16)
%18 = load float*, float** %3
%19 = getelementptr inbounds float, float* %18, i64 1
store float %17, float* %19
%20 = load float, float* %4
%21 = call float @cos(float %20)
%22 = load float*, float** %3
%23 = getelementptr inbounds float, float* %22, i64 3
store float %21, float* %23
ret void
}

LLVM IR (-O2):
define void @glmGenerateRotationMatrix2fDeg(float* nocapture writeonly %0, float %1) {
%3 = tail call float @glmRadf(float %1)
%4 = tail call float @cos(float %3)
store float %4, float* %0
%5 = tail call float @sin(float %3)
%6 = fneg float %5
%7 = getelementptr inbounds float, float* %0, i64 2
store float %6, float* %7
%8 = tail call float @sin(float %3)
%9 = getelementptr inbounds float, float* %0, i64 1
store float %8, float* %9
%10 = tail call float @cos(float %3)
%11 = getelementptr inbounds float, float* %0, i64 3
store float %10, float* %11
ret void
}