#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*/ print_file(char *);
int /*<<< orphan*/ printf(char *);
int main(int argc, char **argv) {
  if (argc == 1) {
    printf("No files specified\n");
    return 1;
  }
  while (--argc > 0) {
    print_file(*++argv);
  }
  return 0;
}


x86 assembly (clang, -O0):
<main>:
push   %rbp
mov    %rsp,%rbp
sub    $0x10,%rsp
movl   $0x0,-0x4(%rbp)
mov    %edi,-0x8(%rbp)
mov    %rsi,-0x10(%rbp)
cmpl   $0x1,-0x8(%rbp)
jne    1158 <main+0x38>
lea    0xeb9(%rip),%rdi
call   1030 <printf@plt>
movl   $0x1,-0x4(%rbp)
jmp    1193 <main+0x73>
jmp    115d <main+0x3d>
mov    -0x8(%rbp),%eax
add    $0xffffffff,%eax
mov    %eax,-0x8(%rbp)
cmp    $0x0,%eax
jle    118c <main+0x6c>
mov    -0x10(%rbp),%rax
mov    %rax,%rcx
add    $0x8,%rcx
mov    %rcx,-0x10(%rbp)
mov    0x8(%rax),%rdi
call   1040 <print_file@plt>
jmp    115d <main+0x3d>
movl   $0x0,-0x4(%rbp)
mov    -0x4(%rbp),%eax
add    $0x10,%rsp
pop    %rbp
ret

x86 assembly (clang, -O2):
<main>:
push   %rbp
push   %r14
push   %rbx
cmp    $0x1,%edi
jne    113d <main+0x1d>
lea    0xed0(%rip),%rdi
call   1030 <puts@plt>
mov    $0x1,%r14d
jmp    1174 <main+0x54>
mov    %edi,%ebp
xor    %r14d,%r14d
cmp    $0x2,%edi
jl     1174 <main+0x54>
mov    %rsi,%rbx
add    $0x8,%rbx
add    $0x1,%ebp
cs nopw 0x0(%rax,%rax,1)
nopl   0x0(%rax,%rax,1)
mov    (%rbx),%rdi
call   1040 <print_file@plt>
add    $0x8,%rbx
add    $0xffffffff,%ebp
cmp    $0x2,%ebp
ja     1160 <main+0x40>
mov    %r14d,%eax
pop    %rbx
pop    %r14
pop    %rbp
ret

LLVM IR (-O0):
@.str = [20 x i8] c"No files specified\0A\00"
define i32 @main(i32 %0, i8** %1) {
%3 = alloca i32
%4 = alloca i32
%5 = alloca i8**
store i32 0, i32* %3
store i32 %0, i32* %4
store i8** %1, i8*** %5
%6 = load i32, i32* %4
%7 = icmp eq i32 %6, 1
br i1 %7, label %8, label %10
8: ; preds = %2
%9 = call i32 @printf(i8* getelementptr inbounds ([20 x i8], [20 x i8]* @.str, i64 0, i64 0))
store i32 1, i32* %3
br label %21
10: ; preds = %2
br label %11
11: ; preds = %15, %10
%12 = load i32, i32* %4
%13 = add nsw i32 %12, -1
store i32 %13, i32* %4
%14 = icmp sgt i32 %13, 0
br i1 %14, label %15, label %20
15: ; preds = %11
%16 = load i8**, i8*** %5
%17 = getelementptr inbounds i8*, i8** %16, i32 1
store i8** %17, i8*** %5
%18 = load i8*, i8** %17
%19 = call i32 @print_file(i8* %18)
br label %11
20: ; preds = %11
store i32 0, i32* %3
br label %21
21: ; preds = %20, %8
%22 = load i32, i32* %3
ret i32 %22
}

LLVM IR (-O2):
@str = [19 x i8] c"No files specified\00"
define i32 @main(i32 %0, i8** nocapture %1) {
%3 = icmp eq i32 %0, 1
br i1 %3, label %6, label %4
4: ; preds = %2
%5 = icmp sgt i32 %0, 1
br i1 %5, label %8, label %16
6: ; preds = %2
%7 = tail call i32 @puts(i8* dereferenceable(1) getelementptr inbounds ([19 x i8], [19 x i8]* @str, i64 0, i64 0))
br label %16
8: ; preds = %4, %8
%9 = phi i8** [ %12, %8 ], [ %1, %4 ]
%10 = phi i32 [ %11, %8 ], [ %0, %4 ]
%11 = add nsw i32 %10, -1
%12 = getelementptr inbounds i8*, i8** %9, i64 1
%13 = load i8*, i8** %12
%14 = tail call i32 @print_file(i8* %13)
%15 = icmp ugt i32 %10, 2
br i1 %15, label %8, label %16
16: ; preds = %8, %4, %6
%17 = phi i32 [ 1, %6 ], [ 0, %4 ], [ 0, %8 ]
ret i32 %17
}