#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 */
int /*<<< orphan*/ GL_COLOR_BUFFER_BIT;
int /*<<< orphan*/ glClear(int /*<<< orphan*/);
int /*<<< orphan*/ glColor3f(double, double, double);
int /*<<< orphan*/ glFlush();
int /*<<< orphan*/ glLoadIdentity();
int /*<<< orphan*/ gluLookAt(double, double, double, double, double, double,
                             double, double, double);
int /*<<< orphan*/ glutWireCube(double);
void mDisplay(void) {
  glClear(GL_COLOR_BUFFER_BIT);
  glColor3f(1.0, 1.0, 1.0);
  glLoadIdentity();
  gluLookAt(0.0, 0.0, 4.0, 0.0, 0.0, 0.0, 0.0, 1.0, 0.0);
  glutWireCube(1.5);
  glFlush();
}


x86 assembly (clang, -O0):
<mDisplay>:
push   %rbp
mov    %rsp,%rbp
sub    $0x10,%rsp
mov    0x2e71(%rip),%rax
mov    (%rax),%edi
call   1040 <glClear@plt>
movsd  0xe92(%rip),%xmm2
movaps %xmm2,%xmm0
movaps %xmm2,%xmm1
call   1060 <glColor3f@plt>
mov    $0x0,%al
call   1050 <glLoadIdentity@plt>
xorps  %xmm8,%xmm8
movsd  0xe6c(%rip),%xmm2
movsd  0xe6c(%rip),%xmm7
movaps %xmm8,%xmm0
movaps %xmm8,%xmm1
movaps %xmm8,%xmm3
movaps %xmm8,%xmm4
movaps %xmm8,%xmm5
movaps %xmm8,%xmm6
movsd  %xmm8,(%rsp)
call   1030 <gluLookAt@plt>
movsd  0xe31(%rip),%xmm0
call   1080 <glutWireCube@plt>
mov    $0x0,%al
call   1070 <glFlush@plt>
add    $0x10,%rsp
pop    %rbp
ret

x86 assembly (clang, -O2):
<mDisplay>:
push   %rax
mov    0x2e78(%rip),%rax
mov    (%rax),%edi
call   1040 <glClear@plt>
movsd  0xe89(%rip),%xmm0
movaps %xmm0,%xmm1
movaps %xmm0,%xmm2
call   1060 <glColor3f@plt>
xor    %eax,%eax
call   1050 <glLoadIdentity@plt>
movq   $0x0,(%rsp)
movsd  0xe6f(%rip),%xmm2
xorps  %xmm0,%xmm0
xorps  %xmm1,%xmm1
xorps  %xmm3,%xmm3
xorps  %xmm4,%xmm4
xorps  %xmm5,%xmm5
xorps  %xmm6,%xmm6
movsd  0xe4d(%rip),%xmm7
call   1030 <gluLookAt@plt>
movsd  0xe50(%rip),%xmm0
call   1080 <glutWireCube@plt>
xor    %eax,%eax
pop    %rcx
jmp    1070 <glFlush@plt>

LLVM IR (-O0):
@GL_COLOR_BUFFER_BIT = global i32 0
define void @mDisplay() {
%1 = load i32, i32* @GL_COLOR_BUFFER_BIT
%2 = call i32 @glClear(i32 %1)
%3 = call i32 @glColor3f(double 1.000000e+00, double 1.000000e+00, double 1.000000e+00)
%4 = call i32 (...) @glLoadIdentity()
%5 = call i32 @gluLookAt(double 0.000000e+00, double 0.000000e+00, double 4.000000e+00, double 0.000000e+00, double 0.000000e+00, double 0.000000e+00, double 0.000000e+00, double 1.000000e+00, double 0.000000e+00)
%6 = call i32 @glutWireCube(double 1.500000e+00)
%7 = call i32 (...) @glFlush()
ret void
}

LLVM IR (-O2):
@GL_COLOR_BUFFER_BIT = global i32 0
define void @mDisplay() {
%1 = load i32, i32* @GL_COLOR_BUFFER_BIT
%2 = tail call i32 @glClear(i32 %1)
%3 = tail call i32 @glColor3f(double 1.000000e+00, double 1.000000e+00, double 1.000000e+00)
%4 = tail call i32 (...) @glLoadIdentity()
%5 = tail call i32 @gluLookAt(double 0.000000e+00, double 0.000000e+00, double 4.000000e+00, double 0.000000e+00, double 0.000000e+00, double 0.000000e+00, double 0.000000e+00, double 1.000000e+00, double 0.000000e+00)
%6 = tail call i32 @glutWireCube(double 1.500000e+00)
%7 = tail call i32 (...) @glFlush()
ret void
}