#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 main(int argc, char *argv[]) {
  int i;
  for (i = 1; i < argc; i++)
    printf("%s %s", argv[i], (i < argc - 1) ? " " : "");
  printf("\n");
  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)
movl   $0x1,-0x14(%rbp)
mov    -0x14(%rbp),%eax
cmp    -0x8(%rbp),%eax
jge    117e <main+0x6e>
mov    -0x10(%rbp),%rax
movslq -0x14(%rbp),%rcx
mov    (%rax,%rcx,8),%rsi
mov    -0x14(%rbp),%ecx
mov    -0x8(%rbp),%edi
sub    $0x1,%edi
lea    0xeb4(%rip),%rdx
lea    0xeaa(%rip),%rax
cmp    %edi,%ecx
cmovl  %rax,%rdx
lea    0xe97(%rip),%rdi
mov    $0x0,%al
call   1030 <printf@plt>
mov    -0x14(%rbp),%eax
add    $0x1,%eax
mov    %eax,-0x14(%rbp)
jmp    112d <main+0x1d>
lea    0xe83(%rip),%rdi
mov    $0x0,%al
call   1030 <printf@plt>
xor    %eax,%eax
add    $0x20,%rsp
pop    %rbp
ret

x86 assembly (clang, -O2):
<main>:
push   %rbp
push   %r15
push   %r14
push   %r13
push   %r12
push   %rbx
push   %rax
cmp    $0x2,%edi
jl     1178 <main+0x58>
mov    %rsi,%r15
lea    -0x1(%rdi),%r12d
mov    %edi,%r13d
mov    $0x1,%ebx
lea    0xec1(%rip),%rbp
lea    0xeb3(%rip),%r14
nopl   (%rax)
mov    (%r15,%rbx,8),%rsi
cmp    %r12,%rbx
mov    %rbp,%rdx
lea    0xea5(%rip),%rax
cmovb  %rax,%rdx
mov    %r14,%rdi
xor    %eax,%eax
call   1040 <printf@plt>
add    $0x1,%rbx
cmp    %rbx,%r13
jne    1150 <main+0x30>
mov    $0xa,%edi
call   1030 <putchar@plt>
xor    %eax,%eax
add    $0x8,%rsp
pop    %rbx
pop    %r12
pop    %r13
pop    %r14
pop    %r15
pop    %rbp
ret

LLVM IR (-O0):
@.str = [6 x i8] c"%s %s\00"
@.str.1 = [2 x i8] c" \00"
@.str.2 = [1 x i8] zeroinitializer
@.str.3 = [2 x i8] c"\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
store i32 1, i32* %6
br label %7
7: ; preds = %24, %2
%8 = load i32, i32* %6
%9 = load i32, i32* %4
%10 = icmp slt i32 %8, %9
br i1 %10, label %11, label %27
11: ; preds = %7
%12 = load i8**, i8*** %5
%13 = load i32, i32* %6
%14 = sext i32 %13 to i64
%15 = getelementptr inbounds i8*, i8** %12, i64 %14
%16 = load i8*, i8** %15
%17 = load i32, i32* %6
%18 = load i32, i32* %4
%19 = sub nsw i32 %18, 1
%20 = icmp slt i32 %17, %19
%21 = zext i1 %20 to i64
%22 = select i1 %20, i8* getelementptr inbounds ([2 x i8], [2 x i8]* @.str.1, i64 0, i64 0), i8* getelementptr inbounds ([1 x i8], [1 x i8]* @.str.2, i64 0, i64 0)
%23 = call i32 (i8*, ...) @printf(i8* getelementptr inbounds ([6 x i8], [6 x i8]* @.str, i64 0, i64 0), i8* %16, i8* %22)
br label %24
24: ; preds = %11
%25 = load i32, i32* %6
%26 = add nsw i32 %25, 1
store i32 %26, i32* %6
br label %7
27: ; preds = %7
%28 = call i32 (i8*, ...) @printf(i8* getelementptr inbounds ([2 x i8], [2 x i8]* @.str.3, i64 0, i64 0))
ret i32 0
}

LLVM IR (-O2):
@.str = [6 x i8] c"%s %s\00"
@.str.1 = [2 x i8] c" \00"
@.str.2 = [1 x i8] zeroinitializer
define i32 @main(i32 %0, i8** nocapture %1) {
%3 = icmp sgt i32 %0, 1
br i1 %3, label %4, label %17
4: ; preds = %2
%5 = add nsw i32 %0, -1
%6 = zext i32 %5 to i64
%7 = zext i32 %0 to i64
br label %8
8: ; preds = %4, %8
%9 = phi i64 [ 1, %4 ], [ %15, %8 ]
%10 = getelementptr inbounds i8*, i8** %1, i64 %9
%11 = load i8*, i8** %10
%12 = icmp ult i64 %9, %6
%13 = select i1 %12, i8* getelementptr inbounds ([2 x i8], [2 x i8]* @.str.1, i64 0, i64 0), i8* getelementptr inbounds ([1 x i8], [1 x i8]* @.str.2, i64 0, i64 0)
%14 = tail call i32 (i8*, ...) @printf(i8* dereferenceable(1) getelementptr inbounds ([6 x i8], [6 x i8]* @.str, i64 0, i64 0), i8* %11, i8* %13)
%15 = add nuw nsw i64 %9, 1
%16 = icmp eq i64 %15, %7
br i1 %16, label %17, label %8
17: ; preds = %8, %2
%18 = tail call i32 @putchar(i32 10)
ret i32 0
}