#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 *);
void print_crunch(int n) {
  for (int i = 0; i < n; i++) {
    for (int j = 0; j <= i; j++) {
      printf("#");
    }
    printf("\n");
  }
}


x86 assembly (clang, -O0):
<print_crunch>:
push   %rbp
mov    %rsp,%rbp
sub    $0x10,%rsp
mov    %edi,-0x4(%rbp)
movl   $0x0,-0x8(%rbp)
mov    -0x8(%rbp),%eax
cmp    -0x4(%rbp),%eax
jge    1175 <print_crunch+0x65>
movl   $0x0,-0xc(%rbp)
mov    -0xc(%rbp),%eax
cmp    -0x8(%rbp),%eax
jg     115b <print_crunch+0x4b>
lea    0xeb8(%rip),%rdi
call   1030 <printf@plt>
mov    -0xc(%rbp),%eax
add    $0x1,%eax
mov    %eax,-0xc(%rbp)
jmp    1135 <print_crunch+0x25>
lea    0xea0(%rip),%rdi
call   1030 <printf@plt>
mov    -0x8(%rbp),%eax
add    $0x1,%eax
mov    %eax,-0x8(%rbp)
jmp    1122 <print_crunch+0x12>
add    $0x10,%rsp
pop    %rbp
ret

x86 assembly (clang, -O2):
<print_crunch>:
push   %rbp
push   %r14
push   %rbx
test   %edi,%edi
jle    1153 <print_crunch+0x43>
mov    %edi,%r14d
mov    $0x1,%ebx
mov    %ebx,%ebp
cs nopw 0x0(%rax,%rax,1)
nopl   0x0(%rax)
mov    $0x23,%edi
call   1030 <putchar@plt>
add    $0xffffffff,%ebp
jne    1130 <print_crunch+0x20>
mov    $0xa,%edi
call   1030 <putchar@plt>
lea    0x1(%rbx),%eax
cmp    %r14d,%ebx
mov    %eax,%ebx
jne    1120 <print_crunch+0x10>
pop    %rbx
pop    %r14
pop    %rbp
ret

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

LLVM IR (-O2):
define void @print_crunch(i32 %0) {
%2 = icmp sgt i32 %0, 0
br i1 %2, label %3, label %5
3: ; preds = %1, %6
%4 = phi i32 [ %8, %6 ], [ 1, %1 ]
br label %10
5: ; preds = %6, %1
ret void
6: ; preds = %10
%7 = tail call i32 @putchar(i32 10)
%8 = add nuw i32 %4, 1
%9 = icmp eq i32 %4, %0
br i1 %9, label %5, label %3
10: ; preds = %3, %10
%11 = phi i32 [ 0, %3 ], [ %13, %10 ]
%12 = tail call i32 @putchar(i32 35)
%13 = add nuw nsw i32 %11, 1
%14 = icmp eq i32 %13, %4
br i1 %14, label %6, label %10
}