#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 main(void) {
  int zippo[4][2] = {{2, 4}, {6, 8}, {1, 3}, {5, 7}};
  int(*pz)[2];
  pz = zippo;
  printf("              pz = %p, pz + 1 = %p\n", pz, pz + 1);
  printf("           pz[0] = %p, pz[0] + 1 = %p\n", pz[0], pz[0] + 1);
  printf("             *pz = %p, *pz + 1 = %p\n", *pz, *pz + 1);
  printf("        pz[0][0] = %d\n", pz[0][0]);
  printf("          *pz[0] = %d\n", *pz[0]);
  printf("            **pz = %d\n", **pz);
  printf("        pz[2][1] = %d\n", pz[2][1]);
  printf("*(*(pz + 2) + 1) = %d\n", *(*(pz + 2) + 1));
  return 0;
}


x86 assembly (clang, -O0):
<main>:
push   %rbp
mov    %rsp,%rbp
sub    $0x40,%rsp
movl   $0x0,-0x4(%rbp)
mov    0xeda(%rip),%rax
mov    %rax,-0x30(%rbp)
mov    0xed7(%rip),%rax
mov    %rax,-0x28(%rbp)
mov    0xed4(%rip),%rax
mov    %rax,-0x20(%rbp)
mov    0xed1(%rip),%rax
mov    %rax,-0x18(%rbp)
lea    -0x30(%rbp),%rax
mov    %rax,-0x38(%rbp)
mov    -0x38(%rbp),%rsi
mov    -0x38(%rbp),%rdx
add    $0x8,%rdx
lea    0xeba(%rip),%rdi
mov    $0x0,%al
call   1030 <printf@plt>
mov    -0x38(%rbp),%rsi
mov    -0x38(%rbp),%rdx
add    $0x4,%rdx
lea    0xec4(%rip),%rdi
mov    $0x0,%al
call   1030 <printf@plt>
mov    -0x38(%rbp),%rsi
mov    -0x38(%rbp),%rdx
add    $0x4,%rdx
lea    0xed1(%rip),%rdi
mov    $0x0,%al
call   1030 <printf@plt>
mov    -0x38(%rbp),%rax
mov    (%rax),%esi
lea    0xee2(%rip),%rdi
mov    $0x0,%al
call   1030 <printf@plt>
mov    -0x38(%rbp),%rax
mov    (%rax),%esi
lea    0xee5(%rip),%rdi
mov    $0x0,%al
call   1030 <printf@plt>
mov    -0x38(%rbp),%rax
mov    (%rax),%esi
lea    0xee8(%rip),%rdi
mov    $0x0,%al
call   1030 <printf@plt>
mov    -0x38(%rbp),%rax
mov    0x14(%rax),%esi
lea    0xeea(%rip),%rdi
mov    $0x0,%al
call   1030 <printf@plt>
mov    -0x38(%rbp),%rax
mov    0x14(%rax),%esi
lea    0xeec(%rip),%rdi
mov    $0x0,%al
call   1030 <printf@plt>
xor    %eax,%eax
add    $0x40,%rsp
pop    %rbp
ret

x86 assembly (clang, -O2):
<main>:
push   %r14
push   %rbx
sub    $0x28,%rsp
movaps 0xef2(%rip),%xmm0
movaps %xmm0,0x10(%rsp)
movaps 0xed6(%rip),%xmm0
movaps %xmm0,(%rsp)
lea    0x8(%rsp),%rdx
lea    0xee6(%rip),%rdi
mov    %rsp,%rbx
mov    %rbx,%rsi
xor    %eax,%eax
call   1030 <printf@plt>
lea    0x4(%rsp),%r14
lea    0xef1(%rip),%rdi
mov    %rbx,%rsi
mov    %r14,%rdx
xor    %eax,%eax
call   1030 <printf@plt>
lea    0xf04(%rip),%rdi
mov    %rbx,%rsi
mov    %r14,%rdx
xor    %eax,%eax
call   1030 <printf@plt>
mov    (%rsp),%esi
lea    0xf12(%rip),%rdi
xor    %eax,%eax
call   1030 <printf@plt>
mov    (%rsp),%esi
lea    0xf18(%rip),%rdi
xor    %eax,%eax
call   1030 <printf@plt>
mov    (%rsp),%esi
lea    0xf1e(%rip),%rdi
xor    %eax,%eax
call   1030 <printf@plt>
mov    0x14(%rsp),%esi
lea    0xf23(%rip),%rdi
xor    %eax,%eax
call   1030 <printf@plt>
mov    0x14(%rsp),%esi
lea    0xf28(%rip),%rdi
xor    %eax,%eax
call   1030 <printf@plt>
xor    %eax,%eax
add    $0x28,%rsp
pop    %rbx
pop    %r14
ret

LLVM IR (-O0):
@__const.main.zippo = [4 x [2 x i32]] [[2 x i32] [i32 2, i32 4], [2 x i32] [i32 6, i32 8], [2 x i32] [i32 1, i32 3], [2 x i32] [i32 5, i32 7]]
@.str = [36 x i8] c" pz = %p, pz + 1 = %p\0A\00"
@.str.1 = [39 x i8] c" pz[0] = %p, pz[0] + 1 = %p\0A\00"
@.str.2 = [37 x i8] c" *pz = %p, *pz + 1 = %p\0A\00"
@.str.3 = [23 x i8] c" pz[0][0] = %d\0A\00"
@.str.4 = [23 x i8] c" *pz[0] = %d\0A\00"
@.str.5 = [23 x i8] c" **pz = %d\0A\00"
@.str.6 = [23 x i8] c" pz[2][1] = %d\0A\00"
@.str.7 = [23 x i8] c"*(*(pz + 2) + 1) = %d\0A\00"
define i32 @main() {
%1 = alloca i32
%2 = alloca [4 x [2 x i32]]
%3 = alloca [2 x i32]*
store i32 0, i32* %1
%4 = bitcast [4 x [2 x i32]]* %2 to i8*
%5 = getelementptr inbounds [4 x [2 x i32]], [4 x [2 x i32]]* %2, i64 0, i64 0
store [2 x i32]* %5, [2 x i32]** %3
%6 = load [2 x i32]*, [2 x i32]** %3
%7 = load [2 x i32]*, [2 x i32]** %3
%8 = getelementptr inbounds [2 x i32], [2 x i32]* %7, i64 1
%9 = call i32 (i8*, ...) @printf(i8* getelementptr inbounds ([36 x i8], [36 x i8]* @.str, i64 0, i64 0), [2 x i32]* %6, [2 x i32]* %8)
%10 = load [2 x i32]*, [2 x i32]** %3
%11 = getelementptr inbounds [2 x i32], [2 x i32]* %10, i64 0
%12 = getelementptr inbounds [2 x i32], [2 x i32]* %11, i64 0, i64 0
%13 = load [2 x i32]*, [2 x i32]** %3
%14 = getelementptr inbounds [2 x i32], [2 x i32]* %13, i64 0
%15 = getelementptr inbounds [2 x i32], [2 x i32]* %14, i64 0, i64 0
%16 = getelementptr inbounds i32, i32* %15, i64 1
%17 = call i32 (i8*, ...) @printf(i8* getelementptr inbounds ([39 x i8], [39 x i8]* @.str.1, i64 0, i64 0), i32* %12, i32* %16)
%18 = load [2 x i32]*, [2 x i32]** %3
%19 = getelementptr inbounds [2 x i32], [2 x i32]* %18, i64 0, i64 0
%20 = load [2 x i32]*, [2 x i32]** %3
%21 = getelementptr inbounds [2 x i32], [2 x i32]* %20, i64 0, i64 0
%22 = getelementptr inbounds i32, i32* %21, i64 1
%23 = call i32 (i8*, ...) @printf(i8* getelementptr inbounds ([37 x i8], [37 x i8]* @.str.2, i64 0, i64 0), i32* %19, i32* %22)
%24 = load [2 x i32]*, [2 x i32]** %3
%25 = getelementptr inbounds [2 x i32], [2 x i32]* %24, i64 0
%26 = getelementptr inbounds [2 x i32], [2 x i32]* %25, i64 0, i64 0
%27 = load i32, i32* %26
%28 = call i32 (i8*, ...) @printf(i8* getelementptr inbounds ([23 x i8], [23 x i8]* @.str.3, i64 0, i64 0), i32 %27)
%29 = load [2 x i32]*, [2 x i32]** %3
%30 = getelementptr inbounds [2 x i32], [2 x i32]* %29, i64 0
%31 = getelementptr inbounds [2 x i32], [2 x i32]* %30, i64 0, i64 0
%32 = load i32, i32* %31
%33 = call i32 (i8*, ...) @printf(i8* getelementptr inbounds ([23 x i8], [23 x i8]* @.str.4, i64 0, i64 0), i32 %32)
%34 = load [2 x i32]*, [2 x i32]** %3
%35 = getelementptr inbounds [2 x i32], [2 x i32]* %34, i64 0, i64 0
%36 = load i32, i32* %35
%37 = call i32 (i8*, ...) @printf(i8* getelementptr inbounds ([23 x i8], [23 x i8]* @.str.5, i64 0, i64 0), i32 %36)
%38 = load [2 x i32]*, [2 x i32]** %3
%39 = getelementptr inbounds [2 x i32], [2 x i32]* %38, i64 2
%40 = getelementptr inbounds [2 x i32], [2 x i32]* %39, i64 0, i64 1
%41 = load i32, i32* %40
%42 = call i32 (i8*, ...) @printf(i8* getelementptr inbounds ([23 x i8], [23 x i8]* @.str.6, i64 0, i64 0), i32 %41)
%43 = load [2 x i32]*, [2 x i32]** %3
%44 = getelementptr inbounds [2 x i32], [2 x i32]* %43, i64 2
%45 = getelementptr inbounds [2 x i32], [2 x i32]* %44, i64 0, i64 0
%46 = getelementptr inbounds i32, i32* %45, i64 1
%47 = load i32, i32* %46
%48 = call i32 (i8*, ...) @printf(i8* getelementptr inbounds ([23 x i8], [23 x i8]* @.str.7, i64 0, i64 0), i32 %47)
ret i32 0
}

LLVM IR (-O2):
@__const.main.zippo = [4 x [2 x i32]] [[2 x i32] [i32 2, i32 4], [2 x i32] [i32 6, i32 8], [2 x i32] [i32 1, i32 3], [2 x i32] [i32 5, i32 7]]
@.str = [36 x i8] c" pz = %p, pz + 1 = %p\0A\00"
@.str.1 = [39 x i8] c" pz[0] = %p, pz[0] + 1 = %p\0A\00"
@.str.2 = [37 x i8] c" *pz = %p, *pz + 1 = %p\0A\00"
@.str.3 = [23 x i8] c" pz[0][0] = %d\0A\00"
@.str.4 = [23 x i8] c" *pz[0] = %d\0A\00"
@.str.5 = [23 x i8] c" **pz = %d\0A\00"
@.str.6 = [23 x i8] c" pz[2][1] = %d\0A\00"
@.str.7 = [23 x i8] c"*(*(pz + 2) + 1) = %d\0A\00"
define i32 @main() {
%1 = alloca [4 x [2 x i32]]
%2 = bitcast [4 x [2 x i32]]* %1 to i8*
%3 = getelementptr inbounds [4 x [2 x i32]], [4 x [2 x i32]]* %1, i64 0, i64 0
%4 = getelementptr inbounds [4 x [2 x i32]], [4 x [2 x i32]]* %1, i64 0, i64 1
%5 = call i32 (i8*, ...) @printf(i8* dereferenceable(1) getelementptr inbounds ([36 x i8], [36 x i8]* @.str, i64 0, i64 0), [2 x i32]* %3, [2 x i32]* %4)
%6 = getelementptr inbounds [4 x [2 x i32]], [4 x [2 x i32]]* %1, i64 0, i64 0, i64 0
%7 = getelementptr inbounds [4 x [2 x i32]], [4 x [2 x i32]]* %1, i64 0, i64 0, i64 1
%8 = call i32 (i8*, ...) @printf(i8* dereferenceable(1) getelementptr inbounds ([39 x i8], [39 x i8]* @.str.1, i64 0, i64 0), i32* %6, i32* %7)
%9 = call i32 (i8*, ...) @printf(i8* dereferenceable(1) getelementptr inbounds ([37 x i8], [37 x i8]* @.str.2, i64 0, i64 0), i32* %6, i32* %7)
%10 = load i32, i32* %6
%11 = call i32 (i8*, ...) @printf(i8* dereferenceable(1) getelementptr inbounds ([23 x i8], [23 x i8]* @.str.3, i64 0, i64 0), i32 %10)
%12 = load i32, i32* %6
%13 = call i32 (i8*, ...) @printf(i8* dereferenceable(1) getelementptr inbounds ([23 x i8], [23 x i8]* @.str.4, i64 0, i64 0), i32 %12)
%14 = load i32, i32* %6
%15 = call i32 (i8*, ...) @printf(i8* dereferenceable(1) getelementptr inbounds ([23 x i8], [23 x i8]* @.str.5, i64 0, i64 0), i32 %14)
%16 = getelementptr inbounds [4 x [2 x i32]], [4 x [2 x i32]]* %1, i64 0, i64 2, i64 1
%17 = load i32, i32* %16
%18 = call i32 (i8*, ...) @printf(i8* dereferenceable(1) getelementptr inbounds ([23 x i8], [23 x i8]* @.str.6, i64 0, i64 0), i32 %17)
%19 = load i32, i32* %16
%20 = call i32 (i8*, ...) @printf(i8* dereferenceable(1) getelementptr inbounds ([23 x i8], [23 x i8]* @.str.7, i64 0, i64 0), i32 %19)
ret i32 0
}