#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 *, int, int);
int main() {
  int a[5] = {10, 20, 30, 40, 50};
  int *aptr;
  int i;
  aptr = &a[0];
  for (i = 0; i < 5; i++)
    printf("a[%d] = %d\n", i, a[i]);
  for (i = 0; i < 5; i++)
    printf("*(a + %d) = %d\n", i, *(a + i));
  for (i = 0; i < 5; i++)
    printf("aptr[%d] = %d\n", i, aptr[i]);
  for (i = 0; i < 5; i++)
    printf("*(aptr + %d) = %d\n", i, *(aptr + i));
  return 0;
}


x86 assembly (clang, -O0):
<main>:
push   %rbp
mov    %rsp,%rbp
sub    $0x30,%rsp
movl   $0x0,-0x4(%rbp)
mov    0xeda(%rip),%rax
mov    %rax,-0x20(%rbp)
mov    0xed7(%rip),%rax
mov    %rax,-0x18(%rbp)
mov    0xed5(%rip),%eax
mov    %eax,-0x10(%rbp)
lea    -0x20(%rbp),%rax
mov    %rax,-0x28(%rbp)
movl   $0x0,-0x2c(%rbp)
cmpl   $0x5,-0x2c(%rbp)
jge    117c <main+0x6c>
mov    -0x2c(%rbp),%esi
movslq -0x2c(%rbp),%rax
mov    -0x20(%rbp,%rax,4),%edx
lea    0xeab(%rip),%rdi
call   1030 <printf@plt>
mov    -0x2c(%rbp),%eax
add    $0x1,%eax
mov    %eax,-0x2c(%rbp)
jmp    114d <main+0x3d>
movl   $0x0,-0x2c(%rbp)
cmpl   $0x5,-0x2c(%rbp)
jge    11b2 <main+0xa2>
mov    -0x2c(%rbp),%esi
movslq -0x2c(%rbp),%rax
mov    -0x20(%rbp,%rax,4),%edx
lea    0xe81(%rip),%rdi
call   1030 <printf@plt>
mov    -0x2c(%rbp),%eax
add    $0x1,%eax
mov    %eax,-0x2c(%rbp)
jmp    1183 <main+0x73>
movl   $0x0,-0x2c(%rbp)
cmpl   $0x5,-0x2c(%rbp)
jge    11eb <main+0xdb>
mov    -0x2c(%rbp),%esi
mov    -0x28(%rbp),%rax
movslq -0x2c(%rbp),%rcx
mov    (%rax,%rcx,4),%edx
lea    0xe58(%rip),%rdi
call   1030 <printf@plt>
mov    -0x2c(%rbp),%eax
add    $0x1,%eax
mov    %eax,-0x2c(%rbp)
jmp    11b9 <main+0xa9>
movl   $0x0,-0x2c(%rbp)
cmpl   $0x5,-0x2c(%rbp)
jge    1224 <main+0x114>
mov    -0x2c(%rbp),%esi
mov    -0x28(%rbp),%rax
movslq -0x2c(%rbp),%rcx
mov    (%rax,%rcx,4),%edx
lea    0xe2e(%rip),%rdi
call   1030 <printf@plt>
mov    -0x2c(%rbp),%eax
add    $0x1,%eax
mov    %eax,-0x2c(%rbp)
jmp    11f2 <main+0xe2>
xor    %eax,%eax
add    $0x30,%rsp
pop    %rbp
ret

x86 assembly (clang, -O2):
<main>:
push   %rbx
lea    0xee8(%rip),%rbx
mov    %rbx,%rdi
xor    %esi,%esi
mov    $0xa,%edx
call   1030 <printf@plt>
mov    %rbx,%rdi
mov    $0x1,%esi
mov    $0x14,%edx
call   1030 <printf@plt>
mov    %rbx,%rdi
mov    $0x2,%esi
mov    $0x1e,%edx
call   1030 <printf@plt>
mov    %rbx,%rdi
mov    $0x3,%esi
mov    $0x28,%edx
call   1030 <printf@plt>
mov    %rbx,%rdi
mov    $0x4,%esi
mov    $0x32,%edx
call   1030 <printf@plt>
lea    0xe96(%rip),%rbx
mov    %rbx,%rdi
xor    %esi,%esi
mov    $0xa,%edx
call   1030 <printf@plt>
mov    %rbx,%rdi
mov    $0x1,%esi
mov    $0x14,%edx
call   1030 <printf@plt>
mov    %rbx,%rdi
mov    $0x2,%esi
mov    $0x1e,%edx
call   1030 <printf@plt>
mov    %rbx,%rdi
mov    $0x3,%esi
mov    $0x28,%edx
call   1030 <printf@plt>
mov    %rbx,%rdi
mov    $0x4,%esi
mov    $0x32,%edx
call   1030 <printf@plt>
lea    0xe48(%rip),%rbx
mov    %rbx,%rdi
xor    %esi,%esi
mov    $0xa,%edx
call   1030 <printf@plt>
mov    %rbx,%rdi
mov    $0x1,%esi
mov    $0x14,%edx
call   1030 <printf@plt>
mov    %rbx,%rdi
mov    $0x2,%esi
mov    $0x1e,%edx
call   1030 <printf@plt>
mov    %rbx,%rdi
mov    $0x3,%esi
mov    $0x28,%edx
call   1030 <printf@plt>
mov    %rbx,%rdi
mov    $0x4,%esi
mov    $0x32,%edx
call   1030 <printf@plt>
lea    0xdf9(%rip),%rbx
mov    %rbx,%rdi
xor    %esi,%esi
mov    $0xa,%edx
call   1030 <printf@plt>
mov    %rbx,%rdi
mov    $0x1,%esi
mov    $0x14,%edx
call   1030 <printf@plt>
mov    %rbx,%rdi
mov    $0x2,%esi
mov    $0x1e,%edx
call   1030 <printf@plt>
mov    %rbx,%rdi
mov    $0x3,%esi
mov    $0x28,%edx
call   1030 <printf@plt>
mov    %rbx,%rdi
mov    $0x4,%esi
mov    $0x32,%edx
call   1030 <printf@plt>
xor    %eax,%eax
pop    %rbx
ret

LLVM IR (-O0):
@__const.main.a = [5 x i32] [i32 10, i32 20, i32 30, i32 40, i32 50]
@.str = [12 x i8] c"a[%d] = %d\0A\00"
@.str.1 = [16 x i8] c"*(a + %d) = %d\0A\00"
@.str.2 = [15 x i8] c"aptr[%d] = %d\0A\00"
@.str.3 = [19 x i8] c"*(aptr + %d) = %d\0A\00"
define i32 @main() {
%1 = alloca i32
%2 = alloca [5 x i32]
%3 = alloca i32*
%4 = alloca i32
store i32 0, i32* %1
%5 = bitcast [5 x i32]* %2 to i8*
%6 = getelementptr inbounds [5 x i32], [5 x i32]* %2, i64 0, i64 0
store i32* %6, i32** %3
store i32 0, i32* %4
br label %7
7: ; preds = %17, %0
%8 = load i32, i32* %4
%9 = icmp slt i32 %8, 5
br i1 %9, label %10, label %20
10: ; preds = %7
%11 = load i32, i32* %4
%12 = load i32, i32* %4
%13 = sext i32 %12 to i64
%14 = getelementptr inbounds [5 x i32], [5 x i32]* %2, i64 0, i64 %13
%15 = load i32, i32* %14
%16 = call i32 @printf(i8* getelementptr inbounds ([12 x i8], [12 x i8]* @.str, i64 0, i64 0), i32 %11, i32 %15)
br label %17
17: ; preds = %10
%18 = load i32, i32* %4
%19 = add nsw i32 %18, 1
store i32 %19, i32* %4
br label %7
20: ; preds = %7
store i32 0, i32* %4
br label %21
21: ; preds = %32, %20
%22 = load i32, i32* %4
%23 = icmp slt i32 %22, 5
br i1 %23, label %24, label %35
24: ; preds = %21
%25 = load i32, i32* %4
%26 = getelementptr inbounds [5 x i32], [5 x i32]* %2, i64 0, i64 0
%27 = load i32, i32* %4
%28 = sext i32 %27 to i64
%29 = getelementptr inbounds i32, i32* %26, i64 %28
%30 = load i32, i32* %29
%31 = call i32 @printf(i8* getelementptr inbounds ([16 x i8], [16 x i8]* @.str.1, i64 0, i64 0), i32 %25, i32 %30)
br label %32
32: ; preds = %24
%33 = load i32, i32* %4
%34 = add nsw i32 %33, 1
store i32 %34, i32* %4
br label %21
35: ; preds = %21
store i32 0, i32* %4
br label %36
36: ; preds = %47, %35
%37 = load i32, i32* %4
%38 = icmp slt i32 %37, 5
br i1 %38, label %39, label %50
39: ; preds = %36
%40 = load i32, i32* %4
%41 = load i32*, i32** %3
%42 = load i32, i32* %4
%43 = sext i32 %42 to i64
%44 = getelementptr inbounds i32, i32* %41, i64 %43
%45 = load i32, i32* %44
%46 = call i32 @printf(i8* getelementptr inbounds ([15 x i8], [15 x i8]* @.str.2, i64 0, i64 0), i32 %40, i32 %45)
br label %47
47: ; preds = %39
%48 = load i32, i32* %4
%49 = add nsw i32 %48, 1
store i32 %49, i32* %4
br label %36
50: ; preds = %36
store i32 0, i32* %4
br label %51
51: ; preds = %62, %50
%52 = load i32, i32* %4
%53 = icmp slt i32 %52, 5
br i1 %53, label %54, label %65
54: ; preds = %51
%55 = load i32, i32* %4
%56 = load i32*, i32** %3
%57 = load i32, i32* %4
%58 = sext i32 %57 to i64
%59 = getelementptr inbounds i32, i32* %56, i64 %58
%60 = load i32, i32* %59
%61 = call i32 @printf(i8* getelementptr inbounds ([19 x i8], [19 x i8]* @.str.3, i64 0, i64 0), i32 %55, i32 %60)
br label %62
62: ; preds = %54
%63 = load i32, i32* %4
%64 = add nsw i32 %63, 1
store i32 %64, i32* %4
br label %51
65: ; preds = %51
ret i32 0
}

LLVM IR (-O2):
@.str = [12 x i8] c"a[%d] = %d\0A\00"
@.str.1 = [16 x i8] c"*(a + %d) = %d\0A\00"
@.str.2 = [15 x i8] c"aptr[%d] = %d\0A\00"
@.str.3 = [19 x i8] c"*(aptr + %d) = %d\0A\00"
define i32 @main() {
%1 = tail call i32 @printf(i8* getelementptr inbounds ([12 x i8], [12 x i8]* @.str, i64 0, i64 0), i32 0, i32 10)
%2 = tail call i32 @printf(i8* getelementptr inbounds ([12 x i8], [12 x i8]* @.str, i64 0, i64 0), i32 1, i32 20)
%3 = tail call i32 @printf(i8* getelementptr inbounds ([12 x i8], [12 x i8]* @.str, i64 0, i64 0), i32 2, i32 30)
%4 = tail call i32 @printf(i8* getelementptr inbounds ([12 x i8], [12 x i8]* @.str, i64 0, i64 0), i32 3, i32 40)
%5 = tail call i32 @printf(i8* getelementptr inbounds ([12 x i8], [12 x i8]* @.str, i64 0, i64 0), i32 4, i32 50)
%6 = tail call i32 @printf(i8* getelementptr inbounds ([16 x i8], [16 x i8]* @.str.1, i64 0, i64 0), i32 0, i32 10)
%7 = tail call i32 @printf(i8* getelementptr inbounds ([16 x i8], [16 x i8]* @.str.1, i64 0, i64 0), i32 1, i32 20)
%8 = tail call i32 @printf(i8* getelementptr inbounds ([16 x i8], [16 x i8]* @.str.1, i64 0, i64 0), i32 2, i32 30)
%9 = tail call i32 @printf(i8* getelementptr inbounds ([16 x i8], [16 x i8]* @.str.1, i64 0, i64 0), i32 3, i32 40)
%10 = tail call i32 @printf(i8* getelementptr inbounds ([16 x i8], [16 x i8]* @.str.1, i64 0, i64 0), i32 4, i32 50)
%11 = tail call i32 @printf(i8* getelementptr inbounds ([15 x i8], [15 x i8]* @.str.2, i64 0, i64 0), i32 0, i32 10)
%12 = tail call i32 @printf(i8* getelementptr inbounds ([15 x i8], [15 x i8]* @.str.2, i64 0, i64 0), i32 1, i32 20)
%13 = tail call i32 @printf(i8* getelementptr inbounds ([15 x i8], [15 x i8]* @.str.2, i64 0, i64 0), i32 2, i32 30)
%14 = tail call i32 @printf(i8* getelementptr inbounds ([15 x i8], [15 x i8]* @.str.2, i64 0, i64 0), i32 3, i32 40)
%15 = tail call i32 @printf(i8* getelementptr inbounds ([15 x i8], [15 x i8]* @.str.2, i64 0, i64 0), i32 4, i32 50)
%16 = tail call i32 @printf(i8* getelementptr inbounds ([19 x i8], [19 x i8]* @.str.3, i64 0, i64 0), i32 0, i32 10)
%17 = tail call i32 @printf(i8* getelementptr inbounds ([19 x i8], [19 x i8]* @.str.3, i64 0, i64 0), i32 1, i32 20)
%18 = tail call i32 @printf(i8* getelementptr inbounds ([19 x i8], [19 x i8]* @.str.3, i64 0, i64 0), i32 2, i32 30)
%19 = tail call i32 @printf(i8* getelementptr inbounds ([19 x i8], [19 x i8]* @.str.3, i64 0, i64 0), i32 3, i32 40)
%20 = tail call i32 @printf(i8* getelementptr inbounds ([19 x i8], [19 x i8]* @.str.3, i64 0, i64 0), i32 4, i32 50)
ret i32 0
}