#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 *, ...);
int /*<<< orphan*/ puts(char *);
int main(int argc, char *argv[]) {
  int count;
  printf("Program name: %s\n", argv[0]);
  if (argc > 1) {
    for (count = 1; count < argc; count++)
      printf("Argument %d: %s\n", count, argv[count]);
  } else
    puts("No command line arguments entered.");
  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)
mov    -0x10(%rbp),%rax
mov    (%rax),%rsi
lea    0xebc(%rip),%rdi
mov    $0x0,%al
call   1040 <printf@plt>
cmpl   $0x1,-0x8(%rbp)
jle    1198 <main+0x78>
movl   $0x1,-0x14(%rbp)
mov    -0x14(%rbp),%eax
cmp    -0x8(%rbp),%eax
jge    1193 <main+0x73>
mov    -0x14(%rbp),%esi
mov    -0x10(%rbp),%rax
movslq -0x14(%rbp),%rcx
mov    (%rax,%rcx,8),%rdx
lea    0xe94(%rip),%rdi
mov    $0x0,%al
call   1040 <printf@plt>
mov    -0x14(%rbp),%eax
add    $0x1,%eax
mov    %eax,-0x14(%rbp)
jmp    115c <main+0x3c>
jmp    11a4 <main+0x84>
lea    0xe84(%rip),%rdi
call   1030 <puts@plt>
xor    %eax,%eax
add    $0x20,%rsp
pop    %rbp
ret

x86 assembly (clang, -O2):
<main>:
push   %r15
push   %r14
push   %r12
push   %rbx
push   %rax
mov    %rsi,%r14
mov    %edi,%ebx
mov    (%rsi),%rsi
lea    0xec9(%rip),%rdi
xor    %eax,%eax
call   1040 <printf@plt>
cmp    $0x2,%ebx
jl     117b <main+0x5b>
mov    %ebx,%r12d
mov    $0x1,%ebx
lea    0xec0(%rip),%r15
cs nopw 0x0(%rax,%rax,1)
nopl   0x0(%rax)
mov    (%r14,%rbx,8),%rdx
mov    %r15,%rdi
mov    %ebx,%esi
xor    %eax,%eax
call   1040 <printf@plt>
add    $0x1,%rbx
cmp    %rbx,%r12
jne    1160 <main+0x40>
jmp    1187 <main+0x67>
lea    0xea1(%rip),%rdi
call   1030 <puts@plt>
xor    %eax,%eax
add    $0x8,%rsp
pop    %rbx
pop    %r12
pop    %r14
pop    %r15
ret

LLVM IR (-O0):
@.str = [18 x i8] c"Program name: %s\0A\00"
@.str.1 = [17 x i8] c"Argument %d: %s\0A\00"
@.str.2 = [35 x i8] c"No command line arguments entered.\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 i8**, i8*** %5
%8 = getelementptr inbounds i8*, i8** %7, i64 0
%9 = load i8*, i8** %8
%10 = call i32 (i8*, ...) @printf(i8* getelementptr inbounds ([18 x i8], [18 x i8]* @.str, i64 0, i64 0), i8* %9)
%11 = load i32, i32* %4
%12 = icmp sgt i32 %11, 1
br i1 %12, label %13, label %30
13: ; preds = %2
store i32 1, i32* %6
br label %14
14: ; preds = %26, %13
%15 = load i32, i32* %6
%16 = load i32, i32* %4
%17 = icmp slt i32 %15, %16
br i1 %17, label %18, label %29
18: ; preds = %14
%19 = load i32, i32* %6
%20 = load i8**, i8*** %5
%21 = load i32, i32* %6
%22 = sext i32 %21 to i64
%23 = getelementptr inbounds i8*, i8** %20, i64 %22
%24 = load i8*, i8** %23
%25 = call i32 (i8*, ...) @printf(i8* getelementptr inbounds ([17 x i8], [17 x i8]* @.str.1, i64 0, i64 0), i32 %19, i8* %24)
br label %26
26: ; preds = %18
%27 = load i32, i32* %6
%28 = add nsw i32 %27, 1
store i32 %28, i32* %6
br label %14
29: ; preds = %14
br label %32
30: ; preds = %2
%31 = call i32 @puts(i8* getelementptr inbounds ([35 x i8], [35 x i8]* @.str.2, i64 0, i64 0))
br label %32
32: ; preds = %30, %29
ret i32 0
}

LLVM IR (-O2):
@.str = [18 x i8] c"Program name: %s\0A\00"
@.str.1 = [17 x i8] c"Argument %d: %s\0A\00"
@.str.2 = [35 x i8] c"No command line arguments entered.\00"
define i32 @main(i32 %0, i8** nocapture %1) {
%3 = load i8*, i8** %1
%4 = tail call i32 (i8*, ...) @printf(i8* dereferenceable(1) getelementptr inbounds ([18 x i8], [18 x i8]* @.str, i64 0, i64 0), i8* %3)
%5 = icmp sgt i32 %0, 1
br i1 %5, label %6, label %16
6: ; preds = %2
%7 = zext i32 %0 to i64
br label %8
8: ; preds = %6, %8
%9 = phi i64 [ 1, %6 ], [ %14, %8 ]
%10 = getelementptr inbounds i8*, i8** %1, i64 %9
%11 = load i8*, i8** %10
%12 = trunc i64 %9 to i32
%13 = tail call i32 (i8*, ...) @printf(i8* dereferenceable(1) getelementptr inbounds ([17 x i8], [17 x i8]* @.str.1, i64 0, i64 0), i32 %12, i8* %11)
%14 = add nuw nsw i64 %9, 1
%15 = icmp eq i64 %14, %7
br i1 %15, label %18, label %8
16: ; preds = %2
%17 = tail call i32 @puts(i8* dereferenceable(1) getelementptr inbounds ([35 x i8], [35 x i8]* @.str.2, i64 0, i64 0))
br label %18
18: ; preds = %8, %16
ret i32 0
}