#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 */
typedef int /*<<< orphan*/ ages;

/* Variables and functions */
int /*<<< orphan*/ printf(char *, ...);
int main(int argc, char *argv[]) {
  int ages[] = {23, 44, 12, 32, 2};
  char *names[] = {"Alan", "Frank", "Mary", "John", "Lisa"};
  int count = sizeof(ages) / sizeof(int);
  int i = 0;
  for (i = 0; i < count; i++) {
    printf("%s has %d years alive.\n", *(names + i), ages[i]);
  }
  printf("----\n");
  int *cur_ages = ages;
  char **cur_names = names;
  for (i = 0; i < count; i++) {
    printf("%s is %d years old.\n", *(cur_names + i), *(cur_ages + i));
  }
  for (i = 0; i < count; i++) {
    printf("%s is %d years old again.\n", cur_names[i], cur_ages[i]);
  }
  printf("---\n");
  return 0;
}


x86 assembly (clang, -O0):
<main>:
push   %rbp
mov    %rsp,%rbp
sub    $0x80,%rsp
movl   $0x0,-0x4(%rbp)
mov    %edi,-0x8(%rbp)
mov    %rsi,-0x10(%rbp)
mov    0xec0(%rip),%rax
mov    %rax,-0x30(%rbp)
mov    0xebd(%rip),%rax
mov    %rax,-0x28(%rbp)
mov    0xebb(%rip),%eax
mov    %eax,-0x20(%rbp)
lea    -0x60(%rbp),%rdi
xor    %esi,%esi
mov    $0x28,%edx
call   1040 <memset@plt>
lea    0xea5(%rip),%rax
mov    %rax,-0x60(%rbp)
lea    0xe9f(%rip),%rax
mov    %rax,-0x58(%rbp)
lea    0xe9a(%rip),%rax
mov    %rax,-0x50(%rbp)
lea    0xe94(%rip),%rax
mov    %rax,-0x48(%rbp)
lea    0xe8e(%rip),%rax
mov    %rax,-0x40(%rbp)
movl   $0x5,-0x64(%rbp)
movl   $0x0,-0x68(%rbp)
movl   $0x0,-0x68(%rbp)
mov    -0x68(%rbp),%eax
cmp    -0x64(%rbp),%eax
jge    11ed <main+0xcd>
movslq -0x68(%rbp),%rax
mov    -0x60(%rbp,%rax,8),%rsi
movslq -0x68(%rbp),%rax
mov    -0x30(%rbp,%rax,4),%edx
lea    0xe56(%rip),%rdi
mov    $0x0,%al
call   1030 <printf@plt>
mov    -0x68(%rbp),%eax
add    $0x1,%eax
mov    %eax,-0x68(%rbp)
jmp    11b4 <main+0x94>
lea    0xe52(%rip),%rdi
mov    $0x0,%al
call   1030 <printf@plt>
lea    -0x30(%rbp),%rax
mov    %rax,-0x70(%rbp)
lea    -0x60(%rbp),%rax
mov    %rax,-0x78(%rbp)
movl   $0x0,-0x68(%rbp)
mov    -0x68(%rbp),%eax
cmp    -0x64(%rbp),%eax
jge    1251 <main+0x131>
mov    -0x78(%rbp),%rax
movslq -0x68(%rbp),%rcx
mov    (%rax,%rcx,8),%rsi
mov    -0x70(%rbp),%rax
movslq -0x68(%rbp),%rcx
mov    (%rax,%rcx,4),%edx
lea    0xe10(%rip),%rdi
mov    $0x0,%al
call   1030 <printf@plt>
mov    -0x68(%rbp),%eax
add    $0x1,%eax
mov    %eax,-0x68(%rbp)
jmp    1212 <main+0xf2>
movl   $0x0,-0x68(%rbp)
mov    -0x68(%rbp),%eax
cmp    -0x64(%rbp),%eax
jge    1297 <main+0x177>
mov    -0x78(%rbp),%rax
movslq -0x68(%rbp),%rcx
mov    (%rax,%rcx,8),%rsi
mov    -0x70(%rbp),%rax
movslq -0x68(%rbp),%rcx
mov    (%rax,%rcx,4),%edx
lea    0xddf(%rip),%rdi
mov    $0x0,%al
call   1030 <printf@plt>
mov    -0x68(%rbp),%eax
add    $0x1,%eax
mov    %eax,-0x68(%rbp)
jmp    1258 <main+0x138>
lea    0xda9(%rip),%rdi
mov    $0x0,%al
call   1030 <printf@plt>
xor    %eax,%eax
add    $0x80,%rsp
pop    %rbp
ret

x86 assembly (clang, -O2):
<main>:
push   %rbp
push   %r15
push   %r14
push   %r13
push   %r12
push   %rbx
push   %rax
lea    0xee8(%rip),%rbp
lea    0xec7(%rip),%r14
mov    %rbp,%rdi
mov    %r14,%rsi
mov    $0x17,%edx
xor    %eax,%eax
call   1040 <printf@plt>
lea    0xeb3(%rip),%r15
mov    %rbp,%rdi
mov    %r15,%rsi
mov    $0x2c,%edx
xor    %eax,%eax
call   1040 <printf@plt>
lea    0xea0(%rip),%r12
mov    %rbp,%rdi
mov    %r12,%rsi
mov    $0xc,%edx
xor    %eax,%eax
call   1040 <printf@plt>
lea    0xe8c(%rip),%r13
mov    %rbp,%rdi
mov    %r13,%rsi
mov    $0x20,%edx
xor    %eax,%eax
call   1040 <printf@plt>
lea    0xe78(%rip),%rbx
mov    %rbp,%rdi
mov    %rbx,%rsi
mov    $0x2,%edx
xor    %eax,%eax
call   1040 <printf@plt>
lea    0xeac(%rip),%rdi
call   1030 <puts@plt>
lea    0xe70(%rip),%rbp
mov    %rbp,%rdi
mov    %r14,%rsi
mov    $0x17,%edx
xor    %eax,%eax
call   1040 <printf@plt>
mov    %rbp,%rdi
mov    %r15,%rsi
mov    $0x2c,%edx
xor    %eax,%eax
call   1040 <printf@plt>
mov    %rbp,%rdi
mov    %r12,%rsi
mov    $0xc,%edx
xor    %eax,%eax
call   1040 <printf@plt>
mov    %rbp,%rdi
mov    %r13,%rsi
mov    $0x20,%edx
xor    %eax,%eax
call   1040 <printf@plt>
mov    %rbp,%rdi
mov    %rbx,%rsi
mov    $0x2,%edx
xor    %eax,%eax
call   1040 <printf@plt>
lea    0xe24(%rip),%rbp
mov    %rbp,%rdi
mov    %r14,%rsi
mov    $0x17,%edx
xor    %eax,%eax
call   1040 <printf@plt>
mov    %rbp,%rdi
mov    %r15,%rsi
mov    $0x2c,%edx
xor    %eax,%eax
call   1040 <printf@plt>
mov    %rbp,%rdi
mov    %r12,%rsi
mov    $0xc,%edx
xor    %eax,%eax
call   1040 <printf@plt>
mov    %rbp,%rdi
mov    %r13,%rsi
mov    $0x20,%edx
xor    %eax,%eax
call   1040 <printf@plt>
mov    %rbp,%rdi
mov    %rbx,%rsi
mov    $0x2,%edx
xor    %eax,%eax
call   1040 <printf@plt>
lea    0xddf(%rip),%rdi
call   1030 <puts@plt>
xor    %eax,%eax
add    $0x8,%rsp
pop    %rbx
pop    %r12
pop    %r13
pop    %r14
pop    %r15
pop    %rbp
ret

LLVM IR (-O0):
@__const.main.ages = [5 x i32] [i32 23, i32 44, i32 12, i32 32, i32 2]
@.str = [5 x i8] c"Alan\00"
@.str.1 = [6 x i8] c"Frank\00"
@.str.2 = [5 x i8] c"Mary\00"
@.str.3 = [5 x i8] c"John\00"
@.str.4 = [5 x i8] c"Lisa\00"
@.str.5 = [24 x i8] c"%s has %d years alive.\0A\00"
@.str.6 = [6 x i8] c"----\0A\00"
@.str.7 = [21 x i8] c"%s is %d years old.\0A\00"
@.str.8 = [27 x i8] c"%s is %d years old again.\0A\00"
@.str.9 = [5 x i8] c"---\0A\00"
define i32 @main(i32 %0, i8** %1) {
%3 = alloca i32
%4 = alloca i32
%5 = alloca i8**
%6 = alloca [5 x i32]
%7 = alloca [5 x i8*]
%8 = alloca i32
%9 = alloca i32
%10 = alloca i32*
%11 = alloca i8**
store i32 0, i32* %3
store i32 %0, i32* %4
store i8** %1, i8*** %5
%12 = bitcast [5 x i32]* %6 to i8*
%13 = bitcast [5 x i8*]* %7 to i8*
%14 = bitcast i8* %13 to [5 x i8*]*
%15 = getelementptr inbounds [5 x i8*], [5 x i8*]* %14, i32 0, i32 0
store i8* getelementptr inbounds ([5 x i8], [5 x i8]* @.str, i32 0, i32 0), i8** %15
%16 = getelementptr inbounds [5 x i8*], [5 x i8*]* %14, i32 0, i32 1
store i8* getelementptr inbounds ([6 x i8], [6 x i8]* @.str.1, i32 0, i32 0), i8** %16
%17 = getelementptr inbounds [5 x i8*], [5 x i8*]* %14, i32 0, i32 2
store i8* getelementptr inbounds ([5 x i8], [5 x i8]* @.str.2, i32 0, i32 0), i8** %17
%18 = getelementptr inbounds [5 x i8*], [5 x i8*]* %14, i32 0, i32 3
store i8* getelementptr inbounds ([5 x i8], [5 x i8]* @.str.3, i32 0, i32 0), i8** %18
%19 = getelementptr inbounds [5 x i8*], [5 x i8*]* %14, i32 0, i32 4
store i8* getelementptr inbounds ([5 x i8], [5 x i8]* @.str.4, i32 0, i32 0), i8** %19
store i32 5, i32* %8
store i32 0, i32* %9
store i32 0, i32* %9
br label %20
20: ; preds = %35, %2
%21 = load i32, i32* %9
%22 = load i32, i32* %8
%23 = icmp slt i32 %21, %22
br i1 %23, label %24, label %38
24: ; preds = %20
%25 = getelementptr inbounds [5 x i8*], [5 x i8*]* %7, i64 0, i64 0
%26 = load i32, i32* %9
%27 = sext i32 %26 to i64
%28 = getelementptr inbounds i8*, i8** %25, i64 %27
%29 = load i8*, i8** %28
%30 = load i32, i32* %9
%31 = sext i32 %30 to i64
%32 = getelementptr inbounds [5 x i32], [5 x i32]* %6, i64 0, i64 %31
%33 = load i32, i32* %32
%34 = call i32 (i8*, ...) @printf(i8* getelementptr inbounds ([24 x i8], [24 x i8]* @.str.5, i64 0, i64 0), i8* %29, i32 %33)
br label %35
35: ; preds = %24
%36 = load i32, i32* %9
%37 = add nsw i32 %36, 1
store i32 %37, i32* %9
br label %20
38: ; preds = %20
%39 = call i32 (i8*, ...) @printf(i8* getelementptr inbounds ([6 x i8], [6 x i8]* @.str.6, i64 0, i64 0))
%40 = getelementptr inbounds [5 x i32], [5 x i32]* %6, i64 0, i64 0
store i32* %40, i32** %10
%41 = getelementptr inbounds [5 x i8*], [5 x i8*]* %7, i64 0, i64 0
store i8** %41, i8*** %11
store i32 0, i32* %9
br label %42
42: ; preds = %58, %38
%43 = load i32, i32* %9
%44 = load i32, i32* %8
%45 = icmp slt i32 %43, %44
br i1 %45, label %46, label %61
46: ; preds = %42
%47 = load i8**, i8*** %11
%48 = load i32, i32* %9
%49 = sext i32 %48 to i64
%50 = getelementptr inbounds i8*, i8** %47, i64 %49
%51 = load i8*, i8** %50
%52 = load i32*, i32** %10
%53 = load i32, i32* %9
%54 = sext i32 %53 to i64
%55 = getelementptr inbounds i32, i32* %52, i64 %54
%56 = load i32, i32* %55
%57 = call i32 (i8*, ...) @printf(i8* getelementptr inbounds ([21 x i8], [21 x i8]* @.str.7, i64 0, i64 0), i8* %51, i32 %56)
br label %58
58: ; preds = %46
%59 = load i32, i32* %9
%60 = add nsw i32 %59, 1
store i32 %60, i32* %9
br label %42
61: ; preds = %42
store i32 0, i32* %9
br label %62
62: ; preds = %78, %61
%63 = load i32, i32* %9
%64 = load i32, i32* %8
%65 = icmp slt i32 %63, %64
br i1 %65, label %66, label %81
66: ; preds = %62
%67 = load i8**, i8*** %11
%68 = load i32, i32* %9
%69 = sext i32 %68 to i64
%70 = getelementptr inbounds i8*, i8** %67, i64 %69
%71 = load i8*, i8** %70
%72 = load i32*, i32** %10
%73 = load i32, i32* %9
%74 = sext i32 %73 to i64
%75 = getelementptr inbounds i32, i32* %72, i64 %74
%76 = load i32, i32* %75
%77 = call i32 (i8*, ...) @printf(i8* getelementptr inbounds ([27 x i8], [27 x i8]* @.str.8, i64 0, i64 0), i8* %71, i32 %76)
br label %78
78: ; preds = %66
%79 = load i32, i32* %9
%80 = add nsw i32 %79, 1
store i32 %80, i32* %9
br label %62
81: ; preds = %62
%82 = call i32 (i8*, ...) @printf(i8* getelementptr inbounds ([5 x i8], [5 x i8]* @.str.9, i64 0, i64 0))
ret i32 0
}

LLVM IR (-O2):
@.str = [5 x i8] c"Alan\00"
@.str.1 = [6 x i8] c"Frank\00"
@.str.2 = [5 x i8] c"Mary\00"
@.str.3 = [5 x i8] c"John\00"
@.str.4 = [5 x i8] c"Lisa\00"
@.str.5 = [24 x i8] c"%s has %d years alive.\0A\00"
@.str.7 = [21 x i8] c"%s is %d years old.\0A\00"
@.str.8 = [27 x i8] c"%s is %d years old again.\0A\00"
@str = [5 x i8] c"----\00"
@str.10 = [4 x i8] c"---\00"
define i32 @main(i32 %0, i8** nocapture readnone %1) {
%3 = tail call i32 (i8*, ...) @printf(i8* dereferenceable(1) getelementptr inbounds ([24 x i8], [24 x i8]* @.str.5, i64 0, i64 0), i8* getelementptr inbounds ([5 x i8], [5 x i8]* @.str, i64 0, i64 0), i32 23)
%4 = tail call i32 (i8*, ...) @printf(i8* dereferenceable(1) getelementptr inbounds ([24 x i8], [24 x i8]* @.str.5, i64 0, i64 0), i8* getelementptr inbounds ([6 x i8], [6 x i8]* @.str.1, i64 0, i64 0), i32 44)
%5 = tail call i32 (i8*, ...) @printf(i8* dereferenceable(1) getelementptr inbounds ([24 x i8], [24 x i8]* @.str.5, i64 0, i64 0), i8* getelementptr inbounds ([5 x i8], [5 x i8]* @.str.2, i64 0, i64 0), i32 12)
%6 = tail call i32 (i8*, ...) @printf(i8* dereferenceable(1) getelementptr inbounds ([24 x i8], [24 x i8]* @.str.5, i64 0, i64 0), i8* getelementptr inbounds ([5 x i8], [5 x i8]* @.str.3, i64 0, i64 0), i32 32)
%7 = tail call i32 (i8*, ...) @printf(i8* dereferenceable(1) getelementptr inbounds ([24 x i8], [24 x i8]* @.str.5, i64 0, i64 0), i8* getelementptr inbounds ([5 x i8], [5 x i8]* @.str.4, i64 0, i64 0), i32 2)
%8 = tail call i32 @puts(i8* dereferenceable(1) getelementptr inbounds ([5 x i8], [5 x i8]* @str, i64 0, i64 0))
%9 = tail call i32 (i8*, ...) @printf(i8* dereferenceable(1) getelementptr inbounds ([21 x i8], [21 x i8]* @.str.7, i64 0, i64 0), i8* getelementptr inbounds ([5 x i8], [5 x i8]* @.str, i64 0, i64 0), i32 23)
%10 = tail call i32 (i8*, ...) @printf(i8* dereferenceable(1) getelementptr inbounds ([21 x i8], [21 x i8]* @.str.7, i64 0, i64 0), i8* getelementptr inbounds ([6 x i8], [6 x i8]* @.str.1, i64 0, i64 0), i32 44)
%11 = tail call i32 (i8*, ...) @printf(i8* dereferenceable(1) getelementptr inbounds ([21 x i8], [21 x i8]* @.str.7, i64 0, i64 0), i8* getelementptr inbounds ([5 x i8], [5 x i8]* @.str.2, i64 0, i64 0), i32 12)
%12 = tail call i32 (i8*, ...) @printf(i8* dereferenceable(1) getelementptr inbounds ([21 x i8], [21 x i8]* @.str.7, i64 0, i64 0), i8* getelementptr inbounds ([5 x i8], [5 x i8]* @.str.3, i64 0, i64 0), i32 32)
%13 = tail call i32 (i8*, ...) @printf(i8* dereferenceable(1) getelementptr inbounds ([21 x i8], [21 x i8]* @.str.7, i64 0, i64 0), i8* getelementptr inbounds ([5 x i8], [5 x i8]* @.str.4, i64 0, i64 0), i32 2)
%14 = tail call i32 (i8*, ...) @printf(i8* dereferenceable(1) getelementptr inbounds ([27 x i8], [27 x i8]* @.str.8, i64 0, i64 0), i8* getelementptr inbounds ([5 x i8], [5 x i8]* @.str, i64 0, i64 0), i32 23)
%15 = tail call i32 (i8*, ...) @printf(i8* dereferenceable(1) getelementptr inbounds ([27 x i8], [27 x i8]* @.str.8, i64 0, i64 0), i8* getelementptr inbounds ([6 x i8], [6 x i8]* @.str.1, i64 0, i64 0), i32 44)
%16 = tail call i32 (i8*, ...) @printf(i8* dereferenceable(1) getelementptr inbounds ([27 x i8], [27 x i8]* @.str.8, i64 0, i64 0), i8* getelementptr inbounds ([5 x i8], [5 x i8]* @.str.2, i64 0, i64 0), i32 12)
%17 = tail call i32 (i8*, ...) @printf(i8* dereferenceable(1) getelementptr inbounds ([27 x i8], [27 x i8]* @.str.8, i64 0, i64 0), i8* getelementptr inbounds ([5 x i8], [5 x i8]* @.str.3, i64 0, i64 0), i32 32)
%18 = tail call i32 (i8*, ...) @printf(i8* dereferenceable(1) getelementptr inbounds ([27 x i8], [27 x i8]* @.str.8, i64 0, i64 0), i8* getelementptr inbounds ([5 x i8], [5 x i8]* @.str.4, i64 0, i64 0), i32 2)
%19 = tail call i32 @puts(i8* dereferenceable(1) getelementptr inbounds ([4 x i8], [4 x i8]* @str.10, i64 0, i64 0))
ret i32 0
}