#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*/ printf(char *);
void print_head(void) {
  printf("USE32\n");
  printf("section .data\n");
  printf("data_str times 0x1500000 db 0\n");
  printf("section .text\n");
  printf("global _start\n");
  printf("_start:\n");
  printf("xor esi, esi\n");
  printf("mov ah, [data_str+esi]\n");
}


x86 assembly (clang, -O0):
<print_head>:
push   %rbp
mov    %rsp,%rbp
lea    0xee5(%rip),%rdi
call   1030 <printf@plt>
lea    0xee0(%rip),%rdi
call   1030 <printf@plt>
lea    0xee3(%rip),%rdi
call   1030 <printf@plt>
lea    0xef6(%rip),%rdi
call   1030 <printf@plt>
lea    0xef9(%rip),%rdi
call   1030 <printf@plt>
lea    0xefc(%rip),%rdi
call   1030 <printf@plt>
lea    0xef9(%rip),%rdi
call   1030 <printf@plt>
lea    0xefb(%rip),%rdi
call   1030 <printf@plt>
pop    %rbp
ret

x86 assembly (clang, -O2):
<print_head>:
push   %rax
lea    0xee8(%rip),%rdi
call   1030 <puts@plt>
lea    0xee2(%rip),%rdi
call   1030 <puts@plt>
lea    0xee4(%rip),%rdi
call   1030 <puts@plt>
lea    0xef6(%rip),%rdi
call   1030 <puts@plt>
lea    0xef8(%rip),%rdi
call   1030 <puts@plt>
lea    0xefa(%rip),%rdi
call   1030 <puts@plt>
lea    0xef6(%rip),%rdi
call   1030 <puts@plt>
lea    0xef7(%rip),%rdi
pop    %rax
jmp    1030 <puts@plt>

LLVM IR (-O0):
@.str = [7 x i8] c"USE32\0A\00"
@.str.1 = [15 x i8] c"section .data\0A\00"
@.str.2 = [31 x i8] c"data_str times 0x1500000 db 0\0A\00"
@.str.3 = [15 x i8] c"section .text\0A\00"
@.str.4 = [15 x i8] c"global _start\0A\00"
@.str.5 = [9 x i8] c"_start:\0A\00"
@.str.6 = [14 x i8] c"xor esi, esi\0A\00"
@.str.7 = [24 x i8] c"mov ah, [data_str+esi]\0A\00"
define void @print_head() {
%1 = call i32 @printf(i8* getelementptr inbounds ([7 x i8], [7 x i8]* @.str, i64 0, i64 0))
%2 = call i32 @printf(i8* getelementptr inbounds ([15 x i8], [15 x i8]* @.str.1, i64 0, i64 0))
%3 = call i32 @printf(i8* getelementptr inbounds ([31 x i8], [31 x i8]* @.str.2, i64 0, i64 0))
%4 = call i32 @printf(i8* getelementptr inbounds ([15 x i8], [15 x i8]* @.str.3, i64 0, i64 0))
%5 = call i32 @printf(i8* getelementptr inbounds ([15 x i8], [15 x i8]* @.str.4, i64 0, i64 0))
%6 = call i32 @printf(i8* getelementptr inbounds ([9 x i8], [9 x i8]* @.str.5, i64 0, i64 0))
%7 = call i32 @printf(i8* getelementptr inbounds ([14 x i8], [14 x i8]* @.str.6, i64 0, i64 0))
%8 = call i32 @printf(i8* getelementptr inbounds ([24 x i8], [24 x i8]* @.str.7, i64 0, i64 0))
ret void
}

LLVM IR (-O2):
@str = [6 x i8] c"USE32\00"
@str.8 = [14 x i8] c"section .data\00"
@str.9 = [30 x i8] c"data_str times 0x1500000 db 0\00"
@str.10 = [14 x i8] c"section .text\00"
@str.11 = [14 x i8] c"global _start\00"
@str.12 = [8 x i8] c"_start:\00"
@str.13 = [13 x i8] c"xor esi, esi\00"
@str.14 = [23 x i8] c"mov ah, [data_str+esi]\00"
define void @print_head() {
%1 = tail call i32 @puts(i8* dereferenceable(1) getelementptr inbounds ([6 x i8], [6 x i8]* @str, i64 0, i64 0))
%2 = tail call i32 @puts(i8* dereferenceable(1) getelementptr inbounds ([14 x i8], [14 x i8]* @str.8, i64 0, i64 0))
%3 = tail call i32 @puts(i8* dereferenceable(1) getelementptr inbounds ([30 x i8], [30 x i8]* @str.9, i64 0, i64 0))
%4 = tail call i32 @puts(i8* dereferenceable(1) getelementptr inbounds ([14 x i8], [14 x i8]* @str.10, i64 0, i64 0))
%5 = tail call i32 @puts(i8* dereferenceable(1) getelementptr inbounds ([14 x i8], [14 x i8]* @str.11, i64 0, i64 0))
%6 = tail call i32 @puts(i8* dereferenceable(1) getelementptr inbounds ([8 x i8], [8 x i8]* @str.12, i64 0, i64 0))
%7 = tail call i32 @puts(i8* dereferenceable(1) getelementptr inbounds ([13 x i8], [13 x i8]* @str.13, i64 0, i64 0))
%8 = tail call i32 @puts(i8* dereferenceable(1) getelementptr inbounds ([23 x i8], [23 x i8]* @str.14, i64 0, i64 0))
ret void
}