#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_TRIANGLES;
int /*<<< orphan*/ glBegin(int /*<<< orphan*/);
int /*<<< orphan*/ glColor3f(double, double, double);
int /*<<< orphan*/ glEnd();
int /*<<< orphan*/ glVertex2f(double, double);
void triangle(void) {
  glBegin(GL_TRIANGLES);
  glColor3f(1.0, 0.0, 0.0);
  glVertex2f(5.0, 5.0);
  glColor3f(0.0, 1.0, 0.0);
  glVertex2f(25.0, 5.0);
  glColor3f(0.0, 0.0, 1.0);
  glVertex2f(5.0, 25.0);
  glEnd();
}


x86 assembly (clang, -O0):
<triangle>:
push   %rbp
mov    %rsp,%rbp
mov    0x2e95(%rip),%rax
mov    (%rax),%edi
call   1060 <glBegin@plt>
movsd  0xeb6(%rip),%xmm0
xorps  %xmm2,%xmm2
movaps %xmm2,%xmm1
call   1040 <glColor3f@plt>
movsd  0xe93(%rip),%xmm1
movaps %xmm1,%xmm0
call   1050 <glVertex2f@plt>
xorps  %xmm2,%xmm2
movsd  0xe90(%rip),%xmm1
movaps %xmm2,%xmm0
call   1040 <glColor3f@plt>
movsd  0xe78(%rip),%xmm0
movsd  0xe68(%rip),%xmm1
call   1050 <glVertex2f@plt>
xorps  %xmm1,%xmm1
movsd  0xe68(%rip),%xmm2
movaps %xmm1,%xmm0
call   1040 <glColor3f@plt>
movsd  0xe48(%rip),%xmm0
movsd  0xe48(%rip),%xmm1
call   1050 <glVertex2f@plt>
mov    $0x0,%al
call   1030 <glEnd@plt>
pop    %rbp
ret

x86 assembly (clang, -O2):
<triangle>:
push   %rax
mov    0x2e98(%rip),%rax
mov    (%rax),%edi
call   1060 <glBegin@plt>
movsd  0xea9(%rip),%xmm0
xorps  %xmm1,%xmm1
xorps  %xmm2,%xmm2
call   1040 <glColor3f@plt>
movsd  0xe9e(%rip),%xmm0
movaps %xmm0,%xmm1
call   1050 <glVertex2f@plt>
xorps  %xmm0,%xmm0
xorps  %xmm2,%xmm2
movsd  0xe80(%rip),%xmm1
call   1040 <glColor3f@plt>
movsd  0xe83(%rip),%xmm0
movsd  0xe73(%rip),%xmm1
call   1050 <glVertex2f@plt>
xorps  %xmm0,%xmm0
xorps  %xmm1,%xmm1
movsd  0xe58(%rip),%xmm2
call   1040 <glColor3f@plt>
movsd  0xe53(%rip),%xmm0
movsd  0xe53(%rip),%xmm1
call   1050 <glVertex2f@plt>
xor    %eax,%eax
pop    %rcx
jmp    1030 <glEnd@plt>

LLVM IR (-O0):
@GL_TRIANGLES = global i32 0
define void @triangle() {
%1 = load i32, i32* @GL_TRIANGLES
%2 = call i32 @glBegin(i32 %1)
%3 = call i32 @glColor3f(double 1.000000e+00, double 0.000000e+00, double 0.000000e+00)
%4 = call i32 @glVertex2f(double 5.000000e+00, double 5.000000e+00)
%5 = call i32 @glColor3f(double 0.000000e+00, double 1.000000e+00, double 0.000000e+00)
%6 = call i32 @glVertex2f(double 2.500000e+01, double 5.000000e+00)
%7 = call i32 @glColor3f(double 0.000000e+00, double 0.000000e+00, double 1.000000e+00)
%8 = call i32 @glVertex2f(double 5.000000e+00, double 2.500000e+01)
%9 = call i32 (...) @glEnd()
ret void
}

LLVM IR (-O2):
@GL_TRIANGLES = global i32 0
define void @triangle() {
%1 = load i32, i32* @GL_TRIANGLES
%2 = tail call i32 @glBegin(i32 %1)
%3 = tail call i32 @glColor3f(double 1.000000e+00, double 0.000000e+00, double 0.000000e+00)
%4 = tail call i32 @glVertex2f(double 5.000000e+00, double 5.000000e+00)
%5 = tail call i32 @glColor3f(double 0.000000e+00, double 1.000000e+00, double 0.000000e+00)
%6 = tail call i32 @glVertex2f(double 2.500000e+01, double 5.000000e+00)
%7 = tail call i32 @glColor3f(double 0.000000e+00, double 0.000000e+00, double 1.000000e+00)
%8 = tail call i32 @glVertex2f(double 5.000000e+00, double 2.500000e+01)
%9 = tail call i32 (...) @glEnd()
ret void
}