#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(void) {
  printf("\n   ");
  for (int i = 1; i <= 10; i++)
    printf("%d  ", i);
  printf("\n");
  for (int i = 0; i < 10; i++) {
    printf("%c  ", 'A' + i);
    for (int j = 1; j <= 10; j++)
      printf("o  ");
    printf("\n");
  }
  printf("\n");
}


x86 assembly (clang, -O0):
<main>:
push   %rbp
mov    %rsp,%rbp
sub    $0x10,%rsp
movl   $0x0,-0x4(%rbp)
lea    0xeda(%rip),%rdi
mov    $0x0,%al
call   1030 <printf@plt>
movl   $0x1,-0x8(%rbp)
cmpl   $0xa,-0x8(%rbp)
jg     115d <main+0x4d>
mov    -0x8(%rbp),%esi
lea    0xebd(%rip),%rdi
mov    $0x0,%al
call   1030 <printf@plt>
mov    -0x8(%rbp),%eax
add    $0x1,%eax
mov    %eax,-0x8(%rbp)
jmp    1134 <main+0x24>
lea    0xea6(%rip),%rdi
mov    $0x0,%al
call   1030 <printf@plt>
movl   $0x0,-0xc(%rbp)
cmpl   $0xa,-0xc(%rbp)
jge    11d9 <main+0xc9>
mov    -0xc(%rbp),%esi
add    $0x41,%esi
lea    0xe83(%rip),%rdi
mov    $0x0,%al
call   1030 <printf@plt>
movl   $0x1,-0x10(%rbp)
cmpl   $0xa,-0x10(%rbp)
jg     11bd <main+0xad>
lea    0xe69(%rip),%rdi
mov    $0x0,%al
call   1030 <printf@plt>
mov    -0x10(%rbp),%eax
add    $0x1,%eax
mov    %eax,-0x10(%rbp)
jmp    1197 <main+0x87>
lea    0xe46(%rip),%rdi
mov    $0x0,%al
call   1030 <printf@plt>
mov    -0xc(%rbp),%eax
add    $0x1,%eax
mov    %eax,-0xc(%rbp)
jmp    1172 <main+0x62>
lea    0xe2a(%rip),%rdi
mov    $0x0,%al
call   1030 <printf@plt>
mov    -0x4(%rbp),%eax
add    $0x10,%rsp
pop    %rbp
ret

x86 assembly (clang, -O2):
<main>:
push   %r15
push   %r14
push   %rbx
lea    0xed4(%rip),%rdi
xor    %eax,%eax
call   1040 <printf@plt>
lea    0xecb(%rip),%rbx
mov    %rbx,%rdi
mov    $0x1,%esi
xor    %eax,%eax
call   1040 <printf@plt>
mov    %rbx,%rdi
mov    $0x2,%esi
xor    %eax,%eax
call   1040 <printf@plt>
mov    %rbx,%rdi
mov    $0x3,%esi
xor    %eax,%eax
call   1040 <printf@plt>
mov    %rbx,%rdi
mov    $0x4,%esi
xor    %eax,%eax
call   1040 <printf@plt>
mov    %rbx,%rdi
mov    $0x5,%esi
xor    %eax,%eax
call   1040 <printf@plt>
mov    %rbx,%rdi
mov    $0x6,%esi
xor    %eax,%eax
call   1040 <printf@plt>
mov    %rbx,%rdi
mov    $0x7,%esi
xor    %eax,%eax
call   1040 <printf@plt>
mov    %rbx,%rdi
mov    $0x8,%esi
xor    %eax,%eax
call   1040 <printf@plt>
mov    %rbx,%rdi
mov    $0x9,%esi
xor    %eax,%eax
call   1040 <printf@plt>
mov    %rbx,%rdi
mov    $0xa,%esi
xor    %eax,%eax
call   1040 <printf@plt>
mov    $0xa,%edi
call   1030 <putchar@plt>
mov    $0x41,%ebx
lea    0xe24(%rip),%r14
lea    0xe22(%rip),%r15
nopl   (%rax)
mov    %r14,%rdi
mov    %ebx,%esi
xor    %eax,%eax
call   1040 <printf@plt>
mov    %r15,%rdi
xor    %eax,%eax
call   1040 <printf@plt>
mov    %r15,%rdi
xor    %eax,%eax
call   1040 <printf@plt>
mov    %r15,%rdi
xor    %eax,%eax
call   1040 <printf@plt>
mov    %r15,%rdi
xor    %eax,%eax
call   1040 <printf@plt>
mov    %r15,%rdi
xor    %eax,%eax
call   1040 <printf@plt>
mov    %r15,%rdi
xor    %eax,%eax
call   1040 <printf@plt>
mov    %r15,%rdi
xor    %eax,%eax
call   1040 <printf@plt>
mov    %r15,%rdi
xor    %eax,%eax
call   1040 <printf@plt>
mov    %r15,%rdi
xor    %eax,%eax
call   1040 <printf@plt>
mov    %r15,%rdi
xor    %eax,%eax
call   1040 <printf@plt>
mov    $0xa,%edi
call   1030 <putchar@plt>
add    $0x1,%ebx
cmp    $0x4b,%ebx
jne    11f0 <main+0xd0>
mov    $0xa,%edi
call   1030 <putchar@plt>
xor    %eax,%eax
pop    %rbx
pop    %r14
pop    %r15
ret

LLVM IR (-O0):
@.str = [5 x i8] c"\0A \00"
@.str.1 = [5 x i8] c"%d \00"
@.str.2 = [2 x i8] c"\0A\00"
@.str.3 = [5 x i8] c"%c \00"
@.str.4 = [4 x i8] c"o \00"
define i32 @main() {
%1 = alloca i32
%2 = alloca i32
%3 = alloca i32
%4 = alloca i32
store i32 0, i32* %1
%5 = call i32 (i8*, ...) @printf(i8* getelementptr inbounds ([5 x i8], [5 x i8]* @.str, i64 0, i64 0))
store i32 1, i32* %2
br label %6
6: ; preds = %12, %0
%7 = load i32, i32* %2
%8 = icmp sle i32 %7, 10
br i1 %8, label %9, label %15
9: ; preds = %6
%10 = load i32, i32* %2
%11 = call i32 (i8*, ...) @printf(i8* getelementptr inbounds ([5 x i8], [5 x i8]* @.str.1, i64 0, i64 0), i32 %10)
br label %12
12: ; preds = %9
%13 = load i32, i32* %2
%14 = add nsw i32 %13, 1
store i32 %14, i32* %2
br label %6
15: ; preds = %6
%16 = call i32 (i8*, ...) @printf(i8* getelementptr inbounds ([2 x i8], [2 x i8]* @.str.2, i64 0, i64 0))
store i32 0, i32* %3
br label %17
17: ; preds = %34, %15
%18 = load i32, i32* %3
%19 = icmp slt i32 %18, 10
br i1 %19, label %20, label %37
20: ; preds = %17
%21 = load i32, i32* %3
%22 = add nsw i32 65, %21
%23 = call i32 (i8*, ...) @printf(i8* getelementptr inbounds ([5 x i8], [5 x i8]* @.str.3, i64 0, i64 0), i32 %22)
store i32 1, i32* %4
br label %24
24: ; preds = %29, %20
%25 = load i32, i32* %4
%26 = icmp sle i32 %25, 10
br i1 %26, label %27, label %32
27: ; preds = %24
%28 = call i32 (i8*, ...) @printf(i8* getelementptr inbounds ([4 x i8], [4 x i8]* @.str.4, i64 0, i64 0))
br label %29
29: ; preds = %27
%30 = load i32, i32* %4
%31 = add nsw i32 %30, 1
store i32 %31, i32* %4
br label %24
32: ; preds = %24
%33 = call i32 (i8*, ...) @printf(i8* getelementptr inbounds ([2 x i8], [2 x i8]* @.str.2, i64 0, i64 0))
br label %34
34: ; preds = %32
%35 = load i32, i32* %3
%36 = add nsw i32 %35, 1
store i32 %36, i32* %3
br label %17
37: ; preds = %17
%38 = call i32 (i8*, ...) @printf(i8* getelementptr inbounds ([2 x i8], [2 x i8]* @.str.2, i64 0, i64 0))
%39 = load i32, i32* %1
ret i32 %39
}

LLVM IR (-O2):
@.str = [5 x i8] c"\0A \00"
@.str.1 = [5 x i8] c"%d \00"
@.str.3 = [5 x i8] c"%c \00"
@.str.4 = [4 x i8] c"o \00"
define i32 @main() {
%1 = tail call i32 (i8*, ...) @printf(i8* dereferenceable(1) getelementptr inbounds ([5 x i8], [5 x i8]* @.str, i64 0, i64 0))
%2 = tail call i32 (i8*, ...) @printf(i8* dereferenceable(1) getelementptr inbounds ([5 x i8], [5 x i8]* @.str.1, i64 0, i64 0), i32 1)
%3 = tail call i32 (i8*, ...) @printf(i8* dereferenceable(1) getelementptr inbounds ([5 x i8], [5 x i8]* @.str.1, i64 0, i64 0), i32 2)
%4 = tail call i32 (i8*, ...) @printf(i8* dereferenceable(1) getelementptr inbounds ([5 x i8], [5 x i8]* @.str.1, i64 0, i64 0), i32 3)
%5 = tail call i32 (i8*, ...) @printf(i8* dereferenceable(1) getelementptr inbounds ([5 x i8], [5 x i8]* @.str.1, i64 0, i64 0), i32 4)
%6 = tail call i32 (i8*, ...) @printf(i8* dereferenceable(1) getelementptr inbounds ([5 x i8], [5 x i8]* @.str.1, i64 0, i64 0), i32 5)
%7 = tail call i32 (i8*, ...) @printf(i8* dereferenceable(1) getelementptr inbounds ([5 x i8], [5 x i8]* @.str.1, i64 0, i64 0), i32 6)
%8 = tail call i32 (i8*, ...) @printf(i8* dereferenceable(1) getelementptr inbounds ([5 x i8], [5 x i8]* @.str.1, i64 0, i64 0), i32 7)
%9 = tail call i32 (i8*, ...) @printf(i8* dereferenceable(1) getelementptr inbounds ([5 x i8], [5 x i8]* @.str.1, i64 0, i64 0), i32 8)
%10 = tail call i32 (i8*, ...) @printf(i8* dereferenceable(1) getelementptr inbounds ([5 x i8], [5 x i8]* @.str.1, i64 0, i64 0), i32 9)
%11 = tail call i32 (i8*, ...) @printf(i8* dereferenceable(1) getelementptr inbounds ([5 x i8], [5 x i8]* @.str.1, i64 0, i64 0), i32 10)
%12 = tail call i32 @putchar(i32 10)
br label %15
13: ; preds = %15
%14 = tail call i32 @putchar(i32 10)
ret i32 0
15: ; preds = %0, %15
%16 = phi i32 [ 0, %0 ], [ %30, %15 ]
%17 = add nuw nsw i32 %16, 65
%18 = tail call i32 (i8*, ...) @printf(i8* dereferenceable(1) getelementptr inbounds ([5 x i8], [5 x i8]* @.str.3, i64 0, i64 0), i32 %17)
%19 = tail call i32 (i8*, ...) @printf(i8* dereferenceable(1) getelementptr inbounds ([4 x i8], [4 x i8]* @.str.4, i64 0, i64 0))
%20 = tail call i32 (i8*, ...) @printf(i8* dereferenceable(1) getelementptr inbounds ([4 x i8], [4 x i8]* @.str.4, i64 0, i64 0))
%21 = tail call i32 (i8*, ...) @printf(i8* dereferenceable(1) getelementptr inbounds ([4 x i8], [4 x i8]* @.str.4, i64 0, i64 0))
%22 = tail call i32 (i8*, ...) @printf(i8* dereferenceable(1) getelementptr inbounds ([4 x i8], [4 x i8]* @.str.4, i64 0, i64 0))
%23 = tail call i32 (i8*, ...) @printf(i8* dereferenceable(1) getelementptr inbounds ([4 x i8], [4 x i8]* @.str.4, i64 0, i64 0))
%24 = tail call i32 (i8*, ...) @printf(i8* dereferenceable(1) getelementptr inbounds ([4 x i8], [4 x i8]* @.str.4, i64 0, i64 0))
%25 = tail call i32 (i8*, ...) @printf(i8* dereferenceable(1) getelementptr inbounds ([4 x i8], [4 x i8]* @.str.4, i64 0, i64 0))
%26 = tail call i32 (i8*, ...) @printf(i8* dereferenceable(1) getelementptr inbounds ([4 x i8], [4 x i8]* @.str.4, i64 0, i64 0))
%27 = tail call i32 (i8*, ...) @printf(i8* dereferenceable(1) getelementptr inbounds ([4 x i8], [4 x i8]* @.str.4, i64 0, i64 0))
%28 = tail call i32 (i8*, ...) @printf(i8* dereferenceable(1) getelementptr inbounds ([4 x i8], [4 x i8]* @.str.4, i64 0, i64 0))
%29 = tail call i32 @putchar(i32 10)
%30 = add nuw nsw i32 %16, 1
%31 = icmp eq i32 %30, 10
br i1 %31, label %13, label %15
}