#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 */
scalar_t__ getline_(char *, int);
int /*<<< orphan*/ printf(char *, char *);
int trim(char *, int);
int main() {
  char line[1000];
  int i;
  while (getline_(line, 1000) > 0)
    if (trim(line, 1000) != -1)
      printf("%s\n", line);
  return 0;
}


x86 assembly (clang, -O0):
<main>:
push   %rbp
mov    %rsp,%rbp
sub    $0x400,%rsp
movl   $0x0,-0x4(%rbp)
lea    -0x3f0(%rbp),%rdi
mov    $0x3e8,%esi
call   1050 <getline_@plt>
cmp    $0x0,%rax
jle    118f <main+0x5f>
lea    -0x3f0(%rbp),%rdi
mov    $0x3e8,%esi
call   1040 <trim@plt>
cmp    $0xffffffff,%eax
je     118a <main+0x5a>
lea    -0x3f0(%rbp),%rsi
lea    0xe7b(%rip),%rdi
call   1030 <printf@plt>
jmp    1142 <main+0x12>
xor    %eax,%eax
add    $0x400,%rsp
pop    %rbp
ret

x86 assembly (clang, -O2):
<main>:
push   %r14
push   %rbx
sub    $0x3e8,%rsp
mov    %rsp,%rdi
mov    $0x3e8,%esi
call   1050 <getline_@plt>
test   %rax,%rax
jle    1191 <main+0x61>
mov    %rsp,%rbx
lea    0xeaa(%rip),%r14
jmp    1172 <main+0x42>
nopl   0x0(%rax,%rax,1)
mov    %rbx,%rdi
mov    $0x3e8,%esi
call   1050 <getline_@plt>
test   %rax,%rax
jle    1191 <main+0x61>
mov    %rbx,%rdi
mov    $0x3e8,%esi
call   1040 <trim@plt>
cmp    $0xffffffff,%eax
je     1160 <main+0x30>
mov    %r14,%rdi
mov    %rbx,%rsi
call   1030 <printf@plt>
jmp    1160 <main+0x30>
xor    %eax,%eax
add    $0x3e8,%rsp
pop    %rbx
pop    %r14
ret

LLVM IR (-O0):
@.str = [4 x i8] c"%s\0A\00"
define i32 @main() {
%1 = alloca i32
%2 = alloca [1000 x i8]
%3 = alloca i32
store i32 0, i32* %1
br label %4
4: ; preds = %15, %0
%5 = getelementptr inbounds [1000 x i8], [1000 x i8]* %2, i64 0, i64 0
%6 = call i64 @getline_(i8* %5, i32 1000)
%7 = icmp sgt i64 %6, 0
br i1 %7, label %8, label %16
8: ; preds = %4
%9 = getelementptr inbounds [1000 x i8], [1000 x i8]* %2, i64 0, i64 0
%10 = call i32 @trim(i8* %9, i32 1000)
%11 = icmp ne i32 %10, -1
br i1 %11, label %12, label %15
12: ; preds = %8
%13 = getelementptr inbounds [1000 x i8], [1000 x i8]* %2, i64 0, i64 0
%14 = call i32 @printf(i8* getelementptr inbounds ([4 x i8], [4 x i8]* @.str, i64 0, i64 0), i8* %13)
br label %15
15: ; preds = %12, %8
br label %4
16: ; preds = %4
ret i32 0
}

LLVM IR (-O2):
@.str = [4 x i8] c"%s\0A\00"
define i32 @main() {
%1 = alloca [1000 x i8]
%2 = getelementptr inbounds [1000 x i8], [1000 x i8]* %1, i64 0, i64 0
%3 = call i64 @getline_(i8* %2, i32 1000)
%4 = icmp sgt i64 %3, 0
br i1 %4, label %5, label %13
5: ; preds = %0, %10
%6 = call i32 @trim(i8* %2, i32 1000)
%7 = icmp eq i32 %6, -1
br i1 %7, label %10, label %8
8: ; preds = %5
%9 = call i32 @printf(i8* getelementptr inbounds ([4 x i8], [4 x i8]* @.str, i64 0, i64 0), i8* %2)
br label %10
10: ; preds = %8, %5
%11 = call i64 @getline_(i8* %2, i32 1000)
%12 = icmp sgt i64 %11, 0
br i1 %12, label %5, label %13
13: ; preds = %10, %0
ret i32 0
}