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


x86 assembly (clang, -O0):
<cmatrix_rotz>:
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)
movsd  -0x10(%rbp),%xmm0
call   1030 <sin@plt>
mov    -0x8(%rbp),%rax
movsd  %xmm0,0x18(%rax)
mov    -0x8(%rbp),%rax
xorps  %xmm0,%xmm0
movsd  %xmm0,0x30(%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  %xmm0,0x8(%rax)
movsd  -0x10(%rbp),%xmm0
call   1040 <cos@plt>
mov    -0x8(%rbp),%rax
movsd  %xmm0,0x20(%rax)
mov    -0x8(%rbp),%rax
xorps  %xmm0,%xmm0
movsd  %xmm0,0x38(%rax)
mov    -0x8(%rbp),%rax
xorps  %xmm0,%xmm0
movsd  %xmm0,0x10(%rax)
mov    -0x8(%rbp),%rax
xorps  %xmm0,%xmm0
movsd  %xmm0,0x28(%rax)
mov    -0x8(%rbp),%rax
movsd  0xe31(%rip),%xmm0
movsd  %xmm0,0x40(%rax)
add    $0x10,%rsp
pop    %rbp
ret

x86 assembly (clang, -O2):
<cmatrix_rotz>:
push   %rbx
sub    $0x10,%rsp
movsd  %xmm0,0x8(%rsp)
mov    %rdi,%rbx
call   1040 <cos@plt>
movsd  %xmm0,(%rbx)
movsd  0x8(%rsp),%xmm0
call   1030 <sin@plt>
movsd  %xmm0,0x18(%rbx)
movq   $0x0,0x30(%rbx)
movsd  0x8(%rsp),%xmm0
call   1030 <sin@plt>
xorps  0xe9f(%rip),%xmm0
movlps %xmm0,0x8(%rbx)
movsd  0x8(%rsp),%xmm0
call   1040 <cos@plt>
movsd  %xmm0,0x20(%rbx)
movq   $0x0,0x10(%rbx)
movq   $0x0,0x28(%rbx)
xorps  %xmm0,%xmm0
movhps 0xe81(%rip),%xmm0
movups %xmm0,0x38(%rbx)
add    $0x10,%rsp
pop    %rbx
ret

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

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