#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() {
  int x, y;
  for (x = 1; x <= 9; x++) {
    for (y = 2; y <= 9; y++)
      printf("%1d * %1d = %2d\t\t", y, x, x * y);
    printf("\n");
  }
}


x86 assembly (clang, -O0):
<main>:
push   %rbp
mov    %rsp,%rbp
sub    $0x10,%rsp
movl   $0x0,-0x4(%rbp)
movl   $0x1,-0x8(%rbp)
cmpl   $0x9,-0x8(%rbp)
jg     1186 <main+0x76>
movl   $0x2,-0xc(%rbp)
cmpl   $0x9,-0xc(%rbp)
jg     116a <main+0x5a>
mov    -0xc(%rbp),%esi
mov    -0x8(%rbp),%edx
mov    -0x8(%rbp),%ecx
imul   -0xc(%rbp),%ecx
lea    0xeab(%rip),%rdi
mov    $0x0,%al
call   1030 <printf@plt>
mov    -0xc(%rbp),%eax
add    $0x1,%eax
mov    %eax,-0xc(%rbp)
jmp    1137 <main+0x27>
lea    0xea1(%rip),%rdi
mov    $0x0,%al
call   1030 <printf@plt>
mov    -0x8(%rbp),%eax
add    $0x1,%eax
mov    %eax,-0x8(%rbp)
jmp    1126 <main+0x16>
mov    -0x4(%rbp),%eax
add    $0x10,%rsp
pop    %rbp
ret

x86 assembly (clang, -O2):
<main>:
push   %rbp
push   %r15
push   %r14
push   %r13
push   %r12
push   %rbx
sub    $0x28,%rsp
mov    $0x1,%ebp
movl   $0x8,0x10(%rsp)
mov    $0x4,%r13d
mov    $0x2,%eax
movl   $0x9,0x18(%rsp)
movl   $0x7,0x14(%rsp)
movl   $0x6,0xc(%rsp)
mov    $0x5,%r12d
mov    $0x3,%r15d
nopw   0x0(%rax,%rax,1)
mov    %eax,0x1c(%rsp)
lea    0xe85(%rip),%r14
mov    %r14,%rdi
mov    $0x2,%esi
mov    %ebp,%edx
mov    0x1c(%rsp),%ecx
xor    %eax,%eax
call   1040 <printf@plt>
mov    %r14,%rdi
mov    $0x3,%esi
mov    %ebp,%edx
mov    %r15d,0x24(%rsp)
mov    %r15d,%ecx
xor    %eax,%eax
call   1040 <printf@plt>
mov    %r14,%rdi
mov    $0x4,%esi
mov    %ebp,%edx
mov    %r13d,%ecx
xor    %eax,%eax
call   1040 <printf@plt>
mov    %r14,%rdi
mov    $0x5,%esi
mov    %ebp,%edx
mov    %r12d,0x20(%rsp)
mov    %r12d,%ecx
xor    %eax,%eax
call   1040 <printf@plt>
mov    %r14,%rdi
mov    $0x6,%esi
mov    %ebp,%edx
mov    0xc(%rsp),%r12d
mov    %r12d,%ecx
xor    %eax,%eax
call   1040 <printf@plt>
mov    %r14,%rdi
mov    $0x7,%esi
mov    %ebp,%edx
mov    0x14(%rsp),%r15d
mov    %r15d,%ecx
xor    %eax,%eax
call   1040 <printf@plt>
mov    %r14,%rdi
mov    $0x8,%esi
mov    %ebp,%edx
mov    0x10(%rsp),%ebx
mov    %ebx,%ecx
xor    %eax,%eax
call   1040 <printf@plt>
mov    %r14,%rdi
mov    $0x9,%esi
mov    %ebp,%edx
mov    0x18(%rsp),%r14d
mov    %r14d,%ecx
xor    %eax,%eax
call   1040 <printf@plt>
mov    $0xa,%edi
call   1030 <putchar@plt>
mov    0x1c(%rsp),%eax
add    $0x1,%ebp
add    $0x8,%ebx
add    $0x4,%r13d
add    $0x2,%eax
add    $0x9,%r14d
mov    %r14d,0x18(%rsp)
add    $0x7,%r15d
mov    %r15d,0x14(%rsp)
add    $0x6,%r12d
mov    %r12d,0xc(%rsp)
mov    0x20(%rsp),%r12d
add    $0x5,%r12d
mov    0x24(%rsp),%r15d
add    $0x3,%r15d
mov    %ebx,0x10(%rsp)
cmp    $0x50,%ebx
jne    1170 <main+0x50>
xor    %eax,%eax
add    $0x28,%rsp
pop    %rbx
pop    %r12
pop    %r13
pop    %r14
pop    %r15
pop    %rbp
ret

LLVM IR (-O0):
@.str = [18 x i8] c"%1d * %1d = %2d\09\09\00"
@.str.1 = [2 x i8] c"\0A\00"
define i32 @main() {
%1 = alloca i32
%2 = alloca i32
%3 = alloca i32
store i32 0, i32* %1
store i32 1, i32* %2
br label %4
4: ; preds = %23, %0
%5 = load i32, i32* %2
%6 = icmp sle i32 %5, 9
br i1 %6, label %7, label %26
7: ; preds = %4
store i32 2, i32* %3
br label %8
8: ; preds = %18, %7
%9 = load i32, i32* %3
%10 = icmp sle i32 %9, 9
br i1 %10, label %11, label %21
11: ; preds = %8
%12 = load i32, i32* %3
%13 = load i32, i32* %2
%14 = load i32, i32* %2
%15 = load i32, i32* %3
%16 = mul nsw i32 %14, %15
%17 = call i32 (i8*, ...) @printf(i8* getelementptr inbounds ([18 x i8], [18 x i8]* @.str, i64 0, i64 0), i32 %12, i32 %13, i32 %16)
br label %18
18: ; preds = %11
%19 = load i32, i32* %3
%20 = add nsw i32 %19, 1
store i32 %20, i32* %3
br label %8
21: ; preds = %8
%22 = call i32 (i8*, ...) @printf(i8* getelementptr inbounds ([2 x i8], [2 x i8]* @.str.1, i64 0, i64 0))
br label %23
23: ; preds = %21
%24 = load i32, i32* %2
%25 = add nsw i32 %24, 1
store i32 %25, i32* %2
br label %4
26: ; preds = %4
%27 = load i32, i32* %1
ret i32 %27
}

LLVM IR (-O2):
@.str = [18 x i8] c"%1d * %1d = %2d\09\09\00"
define i32 @main() {
br label %1
1: ; preds = %0, %1
%2 = phi i32 [ 1, %0 ], [ %20, %1 ]
%3 = shl nuw nsw i32 %2, 1
%4 = tail call i32 (i8*, ...) @printf(i8* dereferenceable(1) getelementptr inbounds ([18 x i8], [18 x i8]* @.str, i64 0, i64 0), i32 2, i32 %2, i32 %3)
%5 = mul nuw nsw i32 %2, 3
%6 = tail call i32 (i8*, ...) @printf(i8* dereferenceable(1) getelementptr inbounds ([18 x i8], [18 x i8]* @.str, i64 0, i64 0), i32 3, i32 %2, i32 %5)
%7 = shl nuw nsw i32 %2, 2
%8 = tail call i32 (i8*, ...) @printf(i8* dereferenceable(1) getelementptr inbounds ([18 x i8], [18 x i8]* @.str, i64 0, i64 0), i32 4, i32 %2, i32 %7)
%9 = mul nuw nsw i32 %2, 5
%10 = tail call i32 (i8*, ...) @printf(i8* dereferenceable(1) getelementptr inbounds ([18 x i8], [18 x i8]* @.str, i64 0, i64 0), i32 5, i32 %2, i32 %9)
%11 = mul nuw nsw i32 %2, 6
%12 = tail call i32 (i8*, ...) @printf(i8* dereferenceable(1) getelementptr inbounds ([18 x i8], [18 x i8]* @.str, i64 0, i64 0), i32 6, i32 %2, i32 %11)
%13 = mul nuw nsw i32 %2, 7
%14 = tail call i32 (i8*, ...) @printf(i8* dereferenceable(1) getelementptr inbounds ([18 x i8], [18 x i8]* @.str, i64 0, i64 0), i32 7, i32 %2, i32 %13)
%15 = shl nuw nsw i32 %2, 3
%16 = tail call i32 (i8*, ...) @printf(i8* dereferenceable(1) getelementptr inbounds ([18 x i8], [18 x i8]* @.str, i64 0, i64 0), i32 8, i32 %2, i32 %15)
%17 = mul nuw nsw i32 %2, 9
%18 = tail call i32 (i8*, ...) @printf(i8* dereferenceable(1) getelementptr inbounds ([18 x i8], [18 x i8]* @.str, i64 0, i64 0), i32 9, i32 %2, i32 %17)
%19 = tail call i32 @putchar(i32 10)
%20 = add nuw nsw i32 %2, 1
%21 = icmp eq i32 %20, 10
br i1 %21, label %22, label %1
22: ; preds = %1
ret i32 0
}