#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*/ do_cat(char *);
int /*<<< orphan*/ exit(int);
int /*<<< orphan*/ fprintf(int /*<<< orphan*/, char *, char *);
int /*<<< orphan*/ stderr;
int main(int argc, char *argv[]) {
  int i;
  if (argc < 2) {
    fprintf(stderr, "%s: file name not given\n", argv[0]);
    exit(1);
  }
  for (i = 1; i < argc; i++) {
    do_cat(argv[i]);
  }
  exit(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)
cmpl   $0x2,-0x8(%rbp)
jge    1176 <main+0x46>
mov    0x2e89(%rip),%rax
mov    (%rax),%edi
mov    -0x10(%rbp),%rax
mov    (%rax),%rdx
lea    0xe99(%rip),%rsi
call   1040 <fprintf@plt>
mov    $0x1,%edi
call   1050 <exit@plt>
movl   $0x1,-0x14(%rbp)
mov    -0x14(%rbp),%eax
cmp    -0x8(%rbp),%eax
jge    11a8 <main+0x78>
mov    -0x10(%rbp),%rax
movslq -0x14(%rbp),%rcx
mov    (%rax,%rcx,8),%rdi
call   1030 <do_cat@plt>
mov    -0x14(%rbp),%eax
add    $0x1,%eax
mov    %eax,-0x14(%rbp)
jmp    117d <main+0x4d>
xor    %edi,%edi
call   1050 <exit@plt>

x86 assembly (clang, -O2):
<main>:
push   %r15
push   %r14
push   %rbx
mov    %rsi,%r14
cmp    $0x2,%edi
jge    115f <main+0x2f>
mov    0x2e9c(%rip),%rax
mov    (%rax),%edi
mov    (%r14),%rdx
lea    0xeb0(%rip),%rsi
call   1040 <fprintf@plt>
mov    $0x1,%edi
call   1050 <exit@plt>
mov    %edi,%r15d
mov    $0x1,%ebx
nopw   0x0(%rax,%rax,1)
mov    (%r14,%rbx,8),%rdi
call   1030 <do_cat@plt>
add    $0x1,%rbx
cmp    %rbx,%r15
jne    1170 <main+0x40>
xor    %edi,%edi
call   1050 <exit@plt>

LLVM IR (-O0):
@stderr = global i32 0
@.str = [25 x i8] c"%s: file name not given\0A\00"
define i32 @main(i32 %0, i8** %1) {
%3 = alloca i32
%4 = alloca i32
%5 = alloca i8**
%6 = alloca i32
store i32 0, i32* %3
store i32 %0, i32* %4
store i8** %1, i8*** %5
%7 = load i32, i32* %4
%8 = icmp slt i32 %7, 2
br i1 %8, label %9, label %16
9: ; preds = %2
%10 = load i32, i32* @stderr
%11 = load i8**, i8*** %5
%12 = getelementptr inbounds i8*, i8** %11, i64 0
%13 = load i8*, i8** %12
%14 = call i32 @fprintf(i32 %10, i8* getelementptr inbounds ([25 x i8], [25 x i8]* @.str, i64 0, i64 0), i8* %13)
%15 = call i32 @exit(i32 1)
unreachable
16: ; preds = %2
store i32 1, i32* %6
br label %17
17: ; preds = %28, %16
%18 = load i32, i32* %6
%19 = load i32, i32* %4
%20 = icmp slt i32 %18, %19
br i1 %20, label %21, label %31
21: ; preds = %17
%22 = load i8**, i8*** %5
%23 = load i32, i32* %6
%24 = sext i32 %23 to i64
%25 = getelementptr inbounds i8*, i8** %22, i64 %24
%26 = load i8*, i8** %25
%27 = call i32 @do_cat(i8* %26)
br label %28
28: ; preds = %21
%29 = load i32, i32* %6
%30 = add nsw i32 %29, 1
store i32 %30, i32* %6
br label %17
31: ; preds = %17
%32 = call i32 @exit(i32 0)
unreachable
}

LLVM IR (-O2):
@stderr = global i32 0
@.str = [25 x i8] c"%s: file name not given\0A\00"
define i32 @main(i32 %0, i8** nocapture %1) {
%3 = icmp slt i32 %0, 2
br i1 %3, label %6, label %4
4: ; preds = %2
%5 = zext i32 %0 to i64
br label %11
6: ; preds = %2
%7 = load i32, i32* @stderr
%8 = load i8*, i8** %1
%9 = tail call i32 @fprintf(i32 %7, i8* getelementptr inbounds ([25 x i8], [25 x i8]* @.str, i64 0, i64 0), i8* %8)
%10 = tail call i32 @exit(i32 1)
unreachable
11: ; preds = %4, %11
%12 = phi i64 [ 1, %4 ], [ %16, %11 ]
%13 = getelementptr inbounds i8*, i8** %1, i64 %12
%14 = load i8*, i8** %13
%15 = tail call i32 @do_cat(i8* %14)
%16 = add nuw nsw i64 %12, 1
%17 = icmp eq i64 %16, %5
br i1 %17, label %18, label %11
18: ; preds = %11
%19 = tail call i32 @exit(i32 0)
unreachable
}