#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*/ FILE;

/* Variables and functions */
int /*<<< orphan*/ fclose(int /*<<< orphan*/ *);
int /*<<< orphan*/ *fopen(char *, char *);
int /*<<< orphan*/ fprintf(int /*<<< orphan*/ *, char *, char *);
int main(int argc, char **argv) {
  FILE *f = fopen("/home/finlayson/emails.txt", "w");
  for (int i = 1; i < argc; i++) {
    fprintf(f, "%s\n", argv[i]);
  }
  fclose(f);
  return 0;
}


x86 assembly (clang, -O0):
<main>:
push   %rbp
mov    %rsp,%rbp
sub    $0x20,%rsp
movl   $0x0,-0x4(%rbp)
mov    %edi,-0x8(%rbp)
mov    %rsi,-0x10(%rbp)
lea    0xeb3(%rip),%rdi
lea    0xec7(%rip),%rsi
call   1050 <fopen@plt>
mov    %rax,-0x18(%rbp)
movl   $0x1,-0x1c(%rbp)
mov    -0x1c(%rbp),%eax
cmp    -0x8(%rbp),%eax
jge    119a <main+0x6a>
mov    -0x18(%rbp),%rdi
mov    -0x10(%rbp),%rax
movslq -0x1c(%rbp),%rcx
mov    (%rax,%rcx,8),%rdx
lea    0xe96(%rip),%rsi
call   1040 <fprintf@plt>
mov    -0x1c(%rbp),%eax
add    $0x1,%eax
mov    %eax,-0x1c(%rbp)
jmp    1164 <main+0x34>
mov    -0x18(%rbp),%rdi
call   1030 <fclose@plt>
xor    %eax,%eax
add    $0x20,%rsp
pop    %rbp
ret

x86 assembly (clang, -O2):
<main>:
push   %rbp
push   %r15
push   %r14
push   %r12
push   %rbx
mov    %rsi,%r14
mov    %edi,%ebp
lea    0xebc(%rip),%rdi
lea    0xed0(%rip),%rsi
call   1050 <fopen@plt>
mov    %rax,%r12
cmp    $0x2,%ebp
jl     1188 <main+0x58>
mov    %ebp,%ebp
mov    $0x1,%ebx
lea    0xeb7(%rip),%r15
cs nopw 0x0(%rax,%rax,1)
mov    (%r14,%rbx,8),%rdx
mov    %r12,%rdi
mov    %r15,%rsi
call   1040 <fprintf@plt>
add    $0x1,%rbx
cmp    %rbx,%rbp
jne    1170 <main+0x40>
mov    %r12,%rdi
call   1030 <fclose@plt>
xor    %eax,%eax
pop    %rbx
pop    %r12
pop    %r14
pop    %r15
pop    %rbp
ret

LLVM IR (-O0):
@.str = [27 x i8] c"/home/finlayson/emails.txt\00"
@.str.1 = [2 x i8] c"w\00"
@.str.2 = [4 x i8] c"%s\0A\00"
define i32 @main(i32 %0, i8** %1) {
%3 = alloca i32
%4 = alloca i32
%5 = alloca i8**
%6 = alloca i32*
%7 = alloca i32
store i32 0, i32* %3
store i32 %0, i32* %4
store i8** %1, i8*** %5
%8 = call i32* @fopen(i8* getelementptr inbounds ([27 x i8], [27 x i8]* @.str, i64 0, i64 0), i8* getelementptr inbounds ([2 x i8], [2 x i8]* @.str.1, i64 0, i64 0))
store i32* %8, i32** %6
store i32 1, i32* %7
br label %9
9: ; preds = %21, %2
%10 = load i32, i32* %7
%11 = load i32, i32* %4
%12 = icmp slt i32 %10, %11
br i1 %12, label %13, label %24
13: ; preds = %9
%14 = load i32*, i32** %6
%15 = load i8**, i8*** %5
%16 = load i32, i32* %7
%17 = sext i32 %16 to i64
%18 = getelementptr inbounds i8*, i8** %15, i64 %17
%19 = load i8*, i8** %18
%20 = call i32 @fprintf(i32* %14, i8* getelementptr inbounds ([4 x i8], [4 x i8]* @.str.2, i64 0, i64 0), i8* %19)
br label %21
21: ; preds = %13
%22 = load i32, i32* %7
%23 = add nsw i32 %22, 1
store i32 %23, i32* %7
br label %9
24: ; preds = %9
%25 = load i32*, i32** %6
%26 = call i32 @fclose(i32* %25)
ret i32 0
}

LLVM IR (-O2):
@.str = [27 x i8] c"/home/finlayson/emails.txt\00"
@.str.1 = [2 x i8] c"w\00"
@.str.2 = [4 x i8] c"%s\0A\00"
define i32 @main(i32 %0, i8** nocapture %1) {
%3 = tail call i32* @fopen(i8* getelementptr inbounds ([27 x i8], [27 x i8]* @.str, i64 0, i64 0), i8* getelementptr inbounds ([2 x i8], [2 x i8]* @.str.1, i64 0, i64 0))
%4 = icmp sgt i32 %0, 1
br i1 %4, label %5, label %7
5: ; preds = %2
%6 = zext i32 %0 to i64
br label %9
7: ; preds = %9, %2
%8 = tail call i32 @fclose(i32* %3)
ret i32 0
9: ; preds = %5, %9
%10 = phi i64 [ 1, %5 ], [ %14, %9 ]
%11 = getelementptr inbounds i8*, i8** %1, i64 %10
%12 = load i8*, i8** %11
%13 = tail call i32 @fprintf(i32* %3, i8* getelementptr inbounds ([4 x i8], [4 x i8]* @.str.2, i64 0, i64 0), i8* %12)
%14 = add nuw nsw i64 %10, 1
%15 = icmp eq i64 %14, %6
br i1 %15, label %7, label %9
}