#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 wordsPrint(char *words[]) {
  int i;
  for (i = 0; words[i] != NULL; i++) {
    printf("%s ", words[i]);
  }
  printf("\n");
}


x86 assembly (clang, -O0):
<wordsPrint>:
push   %rbp
mov    %rsp,%rbp
sub    $0x20,%rsp
mov    %rdi,-0x10(%rbp)
movl   $0x0,-0x14(%rbp)
mov    -0x10(%rbp),%rax
movslq -0x14(%rbp),%rcx
cmpq   $0x0,(%rax,%rcx,8)
je     115e <wordsPrint+0x4e>
mov    -0x10(%rbp),%rax
movslq -0x14(%rbp),%rcx
mov    (%rax,%rcx,8),%rsi
lea    0xeb7(%rip),%rdi
mov    $0x0,%al
call   1030 <printf@plt>
mov    -0x14(%rbp),%eax
add    $0x1,%eax
mov    %eax,-0x14(%rbp)
jmp    1123 <wordsPrint+0x13>
lea    0xe9f(%rip),%rdi
mov    $0x0,%al
call   1030 <printf@plt>
mov    -0x4(%rbp),%eax
add    $0x20,%rsp
pop    %rbp
ret

x86 assembly (clang, -O2):
<wordsPrint>:
push   %r14
push   %rbx
push   %rax
mov    (%rdi),%rsi
test   %rsi,%rsi
je     1156 <wordsPrint+0x36>
mov    %rdi,%rbx
add    $0x8,%rbx
lea    0xec6(%rip),%r14
nopw   0x0(%rax,%rax,1)
mov    %r14,%rdi
xor    %eax,%eax
call   1040 <printf@plt>
mov    (%rbx),%rsi
add    $0x8,%rbx
test   %rsi,%rsi
jne    1140 <wordsPrint+0x20>
mov    $0xa,%edi
add    $0x8,%rsp
pop    %rbx
pop    %r14
jmp    1030 <putchar@plt>

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

LLVM IR (-O2):
@.str = [4 x i8] c"%s \00"
define i32 @wordsPrint(i8** nocapture %0) {
%2 = load i8*, i8** %0
%3 = icmp eq i8* %2, null
br i1 %3, label %12, label %4
4: ; preds = %1, %4
%5 = phi i64 [ %8, %4 ], [ 0, %1 ]
%6 = phi i8* [ %10, %4 ], [ %2, %1 ]
%7 = tail call i32 (i8*, ...) @printf(i8* dereferenceable(1) getelementptr inbounds ([4 x i8], [4 x i8]* @.str, i64 0, i64 0), i8* %6)
%8 = add nuw i64 %5, 1
%9 = getelementptr inbounds i8*, i8** %0, i64 %8
%10 = load i8*, i8** %9
%11 = icmp eq i8* %10, null
br i1 %11, label %12, label %4
12: ; preds = %4, %1
%13 = tail call i32 @putchar(i32 10)
ret i32 undef
}