#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 fig07_04() {
  int a;
  int *aPtr;
  a = 7;
  aPtr = &a;
  printf("The address of a is %p"
         "\nThe value of aPtr is %p",
         &a, aPtr);
  printf("\n\nThe value of a is %d"
         "\nThe value of *aPtr is %d",
         a, *aPtr);
  printf("\n\nShowing that * and & are complements of "
         "each other\n&*aPtr = %p"
         "\n*&aPtr = %p\n",
         &*aPtr, *&aPtr);
}


x86 assembly (clang, -O0):
<fig07_04>:
push   %rbp
mov    %rsp,%rbp
sub    $0x10,%rsp
movl   $0x7,-0x4(%rbp)
lea    -0x4(%rbp),%rax
mov    %rax,-0x10(%rbp)
mov    -0x10(%rbp),%rdx
lea    0xece(%rip),%rdi
lea    -0x4(%rbp),%rsi
mov    $0x0,%al
call   1030 <printf@plt>
mov    -0x4(%rbp),%esi
mov    -0x10(%rbp),%rax
mov    (%rax),%edx
lea    0xee2(%rip),%rdi
mov    $0x0,%al
call   1030 <printf@plt>
mov    -0x10(%rbp),%rsi
mov    -0x10(%rbp),%rdx
lea    0xefc(%rip),%rdi
mov    $0x0,%al
call   1030 <printf@plt>
add    $0x10,%rsp
pop    %rbp
ret

x86 assembly (clang, -O2):
<fig07_04>:
push   %rbx
sub    $0x10,%rsp
movl   $0x7,0xc(%rsp)
lea    0xedc(%rip),%rdi
lea    0xc(%rsp),%rbx
mov    %rbx,%rsi
mov    %rbx,%rdx
xor    %eax,%eax
call   1030 <printf@plt>
mov    0xc(%rsp),%edx
lea    0xeee(%rip),%rdi
mov    %edx,%esi
xor    %eax,%eax
call   1030 <printf@plt>
lea    0xf0e(%rip),%rdi
mov    %rbx,%rsi
mov    %rbx,%rdx
xor    %eax,%eax
call   1030 <printf@plt>
add    $0x10,%rsp
pop    %rbx
ret

LLVM IR (-O0):
@.str = [47 x i8] c"The address of a is %p\0AThe value of aPtr is %p\00"
@.str.1 = [48 x i8] c"\0A\0AThe value of a is %d\0AThe value of *aPtr is %d\00"
@.str.2 = [78 x i8] c"\0A\0AShowing that * and & are complements of each other\0A&*aPtr = %p\0A*&aPtr = %p\0A\00"
define void @fig07_04() {
%1 = alloca i32
%2 = alloca i32*
store i32 7, i32* %1
store i32* %1, i32** %2
%3 = load i32*, i32** %2
%4 = call i32 (i8*, ...) @printf(i8* getelementptr inbounds ([47 x i8], [47 x i8]* @.str, i64 0, i64 0), i32* %1, i32* %3)
%5 = load i32, i32* %1
%6 = load i32*, i32** %2
%7 = load i32, i32* %6
%8 = call i32 (i8*, ...) @printf(i8* getelementptr inbounds ([48 x i8], [48 x i8]* @.str.1, i64 0, i64 0), i32 %5, i32 %7)
%9 = load i32*, i32** %2
%10 = load i32*, i32** %2
%11 = call i32 (i8*, ...) @printf(i8* getelementptr inbounds ([78 x i8], [78 x i8]* @.str.2, i64 0, i64 0), i32* %9, i32* %10)
ret void
}

LLVM IR (-O2):
@.str = [47 x i8] c"The address of a is %p\0AThe value of aPtr is %p\00"
@.str.1 = [48 x i8] c"\0A\0AThe value of a is %d\0AThe value of *aPtr is %d\00"
@.str.2 = [78 x i8] c"\0A\0AShowing that * and & are complements of each other\0A&*aPtr = %p\0A*&aPtr = %p\0A\00"
define void @fig07_04() {
%1 = alloca i32
%2 = bitcast i32* %1 to i8*
store i32 7, i32* %1
%3 = call i32 (i8*, ...) @printf(i8* dereferenceable(1) getelementptr inbounds ([47 x i8], [47 x i8]* @.str, i64 0, i64 0), i32* %1, i32* %1)
%4 = load i32, i32* %1
%5 = call i32 (i8*, ...) @printf(i8* dereferenceable(1) getelementptr inbounds ([48 x i8], [48 x i8]* @.str.1, i64 0, i64 0), i32 %4, i32 %4)
%6 = call i32 (i8*, ...) @printf(i8* dereferenceable(1) getelementptr inbounds ([78 x i8], [78 x i8]* @.str.2, i64 0, i64 0), i32* %1, i32* %1)
ret void
}