#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 */
typedef int /*<<< orphan*/ FILE;

/* Variables and functions */
int /*<<< orphan*/ exit(int);
scalar_t__ ferror(int /*<<< orphan*/ *);
int /*<<< orphan*/ fprintf(int /*<<< orphan*/, char *, ...);
int /*<<< orphan*/ stderr;
void write_data(FILE *stream) {
  int i;
  for (i = 0; i < 100; i++)
    fprintf(stream, "%d\n", i);
  if (ferror(stream)) {
    fprintf(stderr, "Output to stream failed.\n");
    exit(1);
  }
}


x86 assembly (clang, -O0):
<write_data>:
push   %rbp
mov    %rsp,%rbp
sub    $0x10,%rsp
mov    %rdi,-0x8(%rbp)
movl   $0x0,-0xc(%rbp)
cmpl   $0x64,-0xc(%rbp)
jge    1172 <write_data+0x42>
mov    -0x8(%rbp),%rax
mov    %eax,%edi
mov    -0xc(%rbp),%edx
lea    0xea3(%rip),%rsi
mov    $0x0,%al
call   1040 <fprintf@plt>
mov    -0xc(%rbp),%eax
add    $0x1,%eax
mov    %eax,-0xc(%rbp)
jmp    1143 <write_data+0x13>
mov    -0x8(%rbp),%rdi
call   1030 <ferror@plt>
cmp    $0x0,%rax
je     11a6 <write_data+0x76>
mov    0x2e54(%rip),%rax
mov    (%rax),%edi
lea    0xe6f(%rip),%rsi
mov    $0x0,%al
call   1040 <fprintf@plt>
mov    $0x1,%edi
call   1050 <exit@plt>
add    $0x10,%rsp
pop    %rbp
ret

x86 assembly (clang, -O2):
<write_data>:
push   %rbp
push   %r14
push   %rbx
mov    %rdi,%rbx
lea    0xec2(%rip),%r14
xor    %ebp,%ebp
mov    %ebx,%edi
mov    %r14,%rsi
mov    %ebp,%edx
xor    %eax,%eax
call   1040 <fprintf@plt>
add    $0x1,%ebp
cmp    $0x64,%ebp
jne    1140 <write_data+0x10>
mov    %rbx,%rdi
call   1030 <ferror@plt>
test   %rax,%rax
jne    1168 <write_data+0x38>
pop    %rbx
pop    %r14
pop    %rbp
ret
mov    0x2e71(%rip),%rax
mov    (%rax),%edi
lea    0xe8c(%rip),%rsi
xor    %eax,%eax
call   1040 <fprintf@plt>
mov    $0x1,%edi
call   1050 <exit@plt>

LLVM IR (-O0):
@.str = [4 x i8] c"%d\0A\00"
@stderr = global i32 0
@.str.1 = [26 x i8] c"Output to stream failed.\0A\00"
define void @write_data(i32* %0) {
%2 = alloca i32*
%3 = alloca i32
store i32* %0, i32** %2
store i32 0, i32* %3
br label %4
4: ; preds = %12, %1
%5 = load i32, i32* %3
%6 = icmp slt i32 %5, 100
br i1 %6, label %7, label %15
7: ; preds = %4
%8 = load i32*, i32** %2
%9 = ptrtoint i32* %8 to i32
%10 = load i32, i32* %3
%11 = call i32 (i32, i8*, ...) @fprintf(i32 %9, i8* getelementptr inbounds ([4 x i8], [4 x i8]* @.str, i64 0, i64 0), i32 %10)
br label %12
12: ; preds = %7
%13 = load i32, i32* %3
%14 = add nsw i32 %13, 1
store i32 %14, i32* %3
br label %4
15: ; preds = %4
%16 = load i32*, i32** %2
%17 = call i64 @ferror(i32* %16)
%18 = icmp ne i64 %17, 0
br i1 %18, label %19, label %23
19: ; preds = %15
%20 = load i32, i32* @stderr
%21 = call i32 (i32, i8*, ...) @fprintf(i32 %20, i8* getelementptr inbounds ([26 x i8], [26 x i8]* @.str.1, i64 0, i64 0))
%22 = call i32 @exit(i32 1)
unreachable
23: ; preds = %15
ret void
}

LLVM IR (-O2):
@.str = [4 x i8] c"%d\0A\00"
@stderr = global i32 0
@.str.1 = [26 x i8] c"Output to stream failed.\0A\00"
define void @write_data(i32* %0) {
%2 = ptrtoint i32* %0 to i64
%3 = trunc i64 %2 to i32
br label %4
4: ; preds = %1, %4
%5 = phi i32 [ 0, %1 ], [ %7, %4 ]
%6 = tail call i32 (i32, i8*, ...) @fprintf(i32 %3, i8* getelementptr inbounds ([4 x i8], [4 x i8]* @.str, i64 0, i64 0), i32 %5)
%7 = add nuw nsw i32 %5, 1
%8 = icmp eq i32 %7, 100
br i1 %8, label %9, label %4
9: ; preds = %4
%10 = tail call i64 @ferror(i32* %0)
%11 = icmp eq i64 %10, 0
br i1 %11, label %16, label %12
12: ; preds = %9
%13 = load i32, i32* @stderr
%14 = tail call i32 (i32, i8*, ...) @fprintf(i32 %13, i8* getelementptr inbounds ([26 x i8], [26 x i8]* @.str.1, i64 0, i64 0))
%15 = tail call i32 @exit(i32 1)
unreachable
16: ; preds = %9
ret void
}