#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 intdata(int);
int /*<<< orphan*/ printf(char *, int);
int main() {
  int x = 10;
  int i = 0;
  for (i = 0; i < 10; i++) {
    x = intdata(x);
    printf("Value of x : %d \n", x);
  }
}


x86 assembly (clang, -O0):
<main>:
push   %rbp
mov    %rsp,%rbp
sub    $0x10,%rsp
movl   $0x0,-0x4(%rbp)
movl   $0xa,-0x8(%rbp)
movl   $0x0,-0xc(%rbp)
movl   $0x0,-0xc(%rbp)
cmpl   $0xa,-0xc(%rbp)
jge    1176 <main+0x56>
mov    -0x8(%rbp),%edi
call   1040 <intdata@plt>
mov    %eax,-0x8(%rbp)
mov    -0x8(%rbp),%esi
lea    0xe9d(%rip),%rdi
call   1030 <printf@plt>
mov    -0xc(%rbp),%eax
add    $0x1,%eax
mov    %eax,-0xc(%rbp)
jmp    1144 <main+0x24>
mov    -0x4(%rbp),%eax
add    $0x10,%rsp
pop    %rbp
ret

x86 assembly (clang, -O2):
<main>:
push   %rbp
push   %rbx
push   %rax
mov    $0xa,%edi
call   1040 <intdata@plt>
mov    %eax,%ebp
lea    0xeca(%rip),%rbx
mov    %rbx,%rdi
mov    %eax,%esi
call   1030 <printf@plt>
mov    %ebp,%edi
call   1040 <intdata@plt>
mov    %eax,%ebp
mov    %rbx,%rdi
mov    %eax,%esi
call   1030 <printf@plt>
mov    %ebp,%edi
call   1040 <intdata@plt>
mov    %eax,%ebp
mov    %rbx,%rdi
mov    %eax,%esi
call   1030 <printf@plt>
mov    %ebp,%edi
call   1040 <intdata@plt>
mov    %eax,%ebp
mov    %rbx,%rdi
mov    %eax,%esi
call   1030 <printf@plt>
mov    %ebp,%edi
call   1040 <intdata@plt>
mov    %eax,%ebp
mov    %rbx,%rdi
mov    %eax,%esi
call   1030 <printf@plt>
mov    %ebp,%edi
call   1040 <intdata@plt>
mov    %eax,%ebp
mov    %rbx,%rdi
mov    %eax,%esi
call   1030 <printf@plt>
mov    %ebp,%edi
call   1040 <intdata@plt>
mov    %eax,%ebp
mov    %rbx,%rdi
mov    %eax,%esi
call   1030 <printf@plt>
mov    %ebp,%edi
call   1040 <intdata@plt>
mov    %eax,%ebp
mov    %rbx,%rdi
mov    %eax,%esi
call   1030 <printf@plt>
mov    %ebp,%edi
call   1040 <intdata@plt>
mov    %eax,%ebp
mov    %rbx,%rdi
mov    %eax,%esi
call   1030 <printf@plt>
mov    %ebp,%edi
call   1040 <intdata@plt>
mov    %rbx,%rdi
mov    %eax,%esi
call   1030 <printf@plt>
xor    %eax,%eax
add    $0x8,%rsp
pop    %rbx
pop    %rbp
ret

LLVM IR (-O0):
@.str = [18 x i8] c"Value of x : %d \0A\00"
define i32 @main() {
%1 = alloca i32
%2 = alloca i32
%3 = alloca i32
store i32 0, i32* %1
store i32 10, i32* %2
store i32 0, i32* %3
store i32 0, i32* %3
br label %4
4: ; preds = %12, %0
%5 = load i32, i32* %3
%6 = icmp slt i32 %5, 10
br i1 %6, label %7, label %15
7: ; preds = %4
%8 = load i32, i32* %2
%9 = call i32 @intdata(i32 %8)
store i32 %9, i32* %2
%10 = load i32, i32* %2
%11 = call i32 @printf(i8* getelementptr inbounds ([18 x i8], [18 x i8]* @.str, i64 0, i64 0), i32 %10)
br label %12
12: ; preds = %7
%13 = load i32, i32* %3
%14 = add nsw i32 %13, 1
store i32 %14, i32* %3
br label %4
15: ; preds = %4
%16 = load i32, i32* %1
ret i32 %16
}

LLVM IR (-O2):
@.str = [18 x i8] c"Value of x : %d \0A\00"
define i32 @main() {
%1 = tail call i32 @intdata(i32 10)
%2 = tail call i32 @printf(i8* getelementptr inbounds ([18 x i8], [18 x i8]* @.str, i64 0, i64 0), i32 %1)
%3 = tail call i32 @intdata(i32 %1)
%4 = tail call i32 @printf(i8* getelementptr inbounds ([18 x i8], [18 x i8]* @.str, i64 0, i64 0), i32 %3)
%5 = tail call i32 @intdata(i32 %3)
%6 = tail call i32 @printf(i8* getelementptr inbounds ([18 x i8], [18 x i8]* @.str, i64 0, i64 0), i32 %5)
%7 = tail call i32 @intdata(i32 %5)
%8 = tail call i32 @printf(i8* getelementptr inbounds ([18 x i8], [18 x i8]* @.str, i64 0, i64 0), i32 %7)
%9 = tail call i32 @intdata(i32 %7)
%10 = tail call i32 @printf(i8* getelementptr inbounds ([18 x i8], [18 x i8]* @.str, i64 0, i64 0), i32 %9)
%11 = tail call i32 @intdata(i32 %9)
%12 = tail call i32 @printf(i8* getelementptr inbounds ([18 x i8], [18 x i8]* @.str, i64 0, i64 0), i32 %11)
%13 = tail call i32 @intdata(i32 %11)
%14 = tail call i32 @printf(i8* getelementptr inbounds ([18 x i8], [18 x i8]* @.str, i64 0, i64 0), i32 %13)
%15 = tail call i32 @intdata(i32 %13)
%16 = tail call i32 @printf(i8* getelementptr inbounds ([18 x i8], [18 x i8]* @.str, i64 0, i64 0), i32 %15)
%17 = tail call i32 @intdata(i32 %15)
%18 = tail call i32 @printf(i8* getelementptr inbounds ([18 x i8], [18 x i8]* @.str, i64 0, i64 0), i32 %17)
%19 = tail call i32 @intdata(i32 %17)
%20 = tail call i32 @printf(i8* getelementptr inbounds ([18 x i8], [18 x i8]* @.str, i64 0, i64 0), i32 %19)
ret i32 0
}