#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 RAND_MAX;
int /*<<< orphan*/ printf(char *, int);
int rand();
main() {
  int i, r;
  printf("On this computer, RAND_MAX = %d.\n", RAND_MAX);
  printf("Here are the results of %d calls to rand:\n", 10);
  for (i = 0; i < 10; i++) {
    r = rand();
    printf("%10d\n", r);
  }
}


x86 assembly (clang, -O0):
<main>:
push   %rbp
mov    %rsp,%rbp
sub    $0x10,%rsp
movl   $0x0,-0x4(%rbp)
mov    0x2eb2(%rip),%rax
mov    (%rax),%esi
lea    0xec1(%rip),%rdi
call   1030 <printf@plt>
lea    0xed7(%rip),%rdi
mov    $0xa,%esi
call   1030 <printf@plt>
movl   $0x0,-0x8(%rbp)
cmpl   $0xa,-0x8(%rbp)
jge    118d <main+0x6d>
mov    $0x0,%al
call   1040 <rand@plt>
mov    %eax,-0xc(%rbp)
mov    -0xc(%rbp),%esi
lea    0xed3(%rip),%rdi
call   1030 <printf@plt>
mov    -0x8(%rbp),%eax
add    $0x1,%eax
mov    %eax,-0x8(%rbp)
jmp    115c <main+0x3c>
mov    -0x4(%rbp),%eax
add    $0x10,%rsp
pop    %rbp
ret

x86 assembly (clang, -O2):
<main>:
push   %rbx
mov    0x2ec0(%rip),%rax
mov    (%rax),%esi
lea    0xecf(%rip),%rdi
call   1030 <printf@plt>
lea    0xee5(%rip),%rdi
mov    $0xa,%esi
call   1030 <printf@plt>
xor    %eax,%eax
call   1040 <rand@plt>
lea    0xef8(%rip),%rbx
mov    %rbx,%rdi
mov    %eax,%esi
call   1030 <printf@plt>
xor    %eax,%eax
call   1040 <rand@plt>
mov    %rbx,%rdi
mov    %eax,%esi
call   1030 <printf@plt>
xor    %eax,%eax
call   1040 <rand@plt>
mov    %rbx,%rdi
mov    %eax,%esi
call   1030 <printf@plt>
xor    %eax,%eax
call   1040 <rand@plt>
mov    %rbx,%rdi
mov    %eax,%esi
call   1030 <printf@plt>
xor    %eax,%eax
call   1040 <rand@plt>
mov    %rbx,%rdi
mov    %eax,%esi
call   1030 <printf@plt>
xor    %eax,%eax
call   1040 <rand@plt>
mov    %rbx,%rdi
mov    %eax,%esi
call   1030 <printf@plt>
xor    %eax,%eax
call   1040 <rand@plt>
mov    %rbx,%rdi
mov    %eax,%esi
call   1030 <printf@plt>
xor    %eax,%eax
call   1040 <rand@plt>
mov    %rbx,%rdi
mov    %eax,%esi
call   1030 <printf@plt>
xor    %eax,%eax
call   1040 <rand@plt>
mov    %rbx,%rdi
mov    %eax,%esi
call   1030 <printf@plt>
xor    %eax,%eax
call   1040 <rand@plt>
mov    %rbx,%rdi
mov    %eax,%esi
call   1030 <printf@plt>
xor    %eax,%eax
pop    %rbx
ret

LLVM IR (-O0):
@.str = [34 x i8] c"On this computer, RAND_MAX = %d.\0A\00"
@RAND_MAX = global i32 0
@.str.1 = [43 x i8] c"Here are the results of %d calls to rand:\0A\00"
@.str.2 = [6 x i8] c"%10d\0A\00"
define i32 @main() {
%1 = alloca i32
%2 = alloca i32
%3 = alloca i32
store i32 0, i32* %1
%4 = load i32, i32* @RAND_MAX
%5 = call i32 @printf(i8* getelementptr inbounds ([34 x i8], [34 x i8]* @.str, i64 0, i64 0), i32 %4)
%6 = call i32 @printf(i8* getelementptr inbounds ([43 x i8], [43 x i8]* @.str.1, i64 0, i64 0), i32 10)
store i32 0, i32* %2
br label %7
7: ; preds = %14, %0
%8 = load i32, i32* %2
%9 = icmp slt i32 %8, 10
br i1 %9, label %10, label %17
10: ; preds = %7
%11 = call i32 (...) @rand()
store i32 %11, i32* %3
%12 = load i32, i32* %3
%13 = call i32 @printf(i8* getelementptr inbounds ([6 x i8], [6 x i8]* @.str.2, i64 0, i64 0), i32 %12)
br label %14
14: ; preds = %10
%15 = load i32, i32* %2
%16 = add nsw i32 %15, 1
store i32 %16, i32* %2
br label %7
17: ; preds = %7
%18 = load i32, i32* %1
ret i32 %18
}

LLVM IR (-O2):
@.str = [34 x i8] c"On this computer, RAND_MAX = %d.\0A\00"
@RAND_MAX = global i32 0
@.str.1 = [43 x i8] c"Here are the results of %d calls to rand:\0A\00"
@.str.2 = [6 x i8] c"%10d\0A\00"
define i32 @main() {
%1 = load i32, i32* @RAND_MAX
%2 = tail call i32 @printf(i8* getelementptr inbounds ([34 x i8], [34 x i8]* @.str, i64 0, i64 0), i32 %1)
%3 = tail call i32 @printf(i8* getelementptr inbounds ([43 x i8], [43 x i8]* @.str.1, i64 0, i64 0), i32 10)
%4 = tail call i32 (...) @rand()
%5 = tail call i32 @printf(i8* getelementptr inbounds ([6 x i8], [6 x i8]* @.str.2, i64 0, i64 0), i32 %4)
%6 = tail call i32 (...) @rand()
%7 = tail call i32 @printf(i8* getelementptr inbounds ([6 x i8], [6 x i8]* @.str.2, i64 0, i64 0), i32 %6)
%8 = tail call i32 (...) @rand()
%9 = tail call i32 @printf(i8* getelementptr inbounds ([6 x i8], [6 x i8]* @.str.2, i64 0, i64 0), i32 %8)
%10 = tail call i32 (...) @rand()
%11 = tail call i32 @printf(i8* getelementptr inbounds ([6 x i8], [6 x i8]* @.str.2, i64 0, i64 0), i32 %10)
%12 = tail call i32 (...) @rand()
%13 = tail call i32 @printf(i8* getelementptr inbounds ([6 x i8], [6 x i8]* @.str.2, i64 0, i64 0), i32 %12)
%14 = tail call i32 (...) @rand()
%15 = tail call i32 @printf(i8* getelementptr inbounds ([6 x i8], [6 x i8]* @.str.2, i64 0, i64 0), i32 %14)
%16 = tail call i32 (...) @rand()
%17 = tail call i32 @printf(i8* getelementptr inbounds ([6 x i8], [6 x i8]* @.str.2, i64 0, i64 0), i32 %16)
%18 = tail call i32 (...) @rand()
%19 = tail call i32 @printf(i8* getelementptr inbounds ([6 x i8], [6 x i8]* @.str.2, i64 0, i64 0), i32 %18)
%20 = tail call i32 (...) @rand()
%21 = tail call i32 @printf(i8* getelementptr inbounds ([6 x i8], [6 x i8]* @.str.2, i64 0, i64 0), i32 %20)
%22 = tail call i32 (...) @rand()
%23 = tail call i32 @printf(i8* getelementptr inbounds ([6 x i8], [6 x i8]* @.str.2, i64 0, i64 0), i32 %22)
ret i32 0
}