#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 i, j;
  for (i = 1; i <= 9; i++)
    for (j = 1; j <= 9; j++) {
      printf("%dx%d=%d", i, j, i * j);
      printf("\n");
    }
  return 0;
}


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     118b <main+0x7b>
movl   $0x1,-0xc(%rbp)
cmpl   $0x9,-0xc(%rbp)
jg     1178 <main+0x68>
mov    -0x8(%rbp),%esi
mov    -0xc(%rbp),%edx
mov    -0x8(%rbp),%ecx
imul   -0xc(%rbp),%ecx
lea    0xeab(%rip),%rdi
mov    $0x0,%al
call   1030 <printf@plt>
lea    0xea6(%rip),%rdi
mov    $0x0,%al
call   1030 <printf@plt>
mov    -0xc(%rbp),%eax
add    $0x1,%eax
mov    %eax,-0xc(%rbp)
jmp    1137 <main+0x27>
jmp    117d <main+0x6d>
mov    -0x8(%rbp),%eax
add    $0x1,%eax
mov    %eax,-0x8(%rbp)
jmp    1126 <main+0x16>
xor    %eax,%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    $0x18,%rsp
mov    $0x1,%r14d
movl   $0x8,0x4(%rsp)
movl   $0x4,0xc(%rsp)
movl   $0x2,0x8(%rsp)
movl   $0x9,0x10(%rsp)
mov    $0x7,%r12d
mov    $0x6,%ebp
mov    $0x5,%r13d
mov    $0x3,%r15d
nopl   0x0(%rax,%rax,1)
lea    0xe89(%rip),%rbx
mov    %rbx,%rdi
mov    %r14d,%esi
mov    $0x1,%edx
mov    %r14d,%ecx
xor    %eax,%eax
call   1040 <printf@plt>
mov    $0xa,%edi
call   1030 <putchar@plt>
mov    %rbx,%rdi
mov    %r14d,%esi
mov    $0x2,%edx
mov    0x8(%rsp),%ecx
xor    %eax,%eax
call   1040 <printf@plt>
mov    $0xa,%edi
call   1030 <putchar@plt>
mov    %rbx,%rdi
mov    %r14d,%esi
mov    $0x3,%edx
mov    %r15d,0x14(%rsp)
mov    %r15d,%ecx
xor    %eax,%eax
call   1040 <printf@plt>
mov    $0xa,%edi
call   1030 <putchar@plt>
mov    %rbx,%rdi
mov    %r14d,%esi
mov    $0x4,%edx
mov    0xc(%rsp),%ecx
xor    %eax,%eax
call   1040 <printf@plt>
mov    $0xa,%edi
call   1030 <putchar@plt>
mov    %rbx,%rdi
mov    %r14d,%esi
mov    $0x5,%edx
mov    %r13d,%ecx
xor    %eax,%eax
call   1040 <printf@plt>
mov    $0xa,%edi
call   1030 <putchar@plt>
mov    %rbx,%rdi
mov    %r14d,%esi
mov    $0x6,%edx
mov    %ebp,%ecx
xor    %eax,%eax
call   1040 <printf@plt>
mov    $0xa,%edi
call   1030 <putchar@plt>
mov    %rbx,%rdi
mov    %r14d,%esi
mov    $0x7,%edx
mov    %r12d,%ecx
xor    %eax,%eax
call   1040 <printf@plt>
mov    $0xa,%edi
call   1030 <putchar@plt>
mov    %rbx,%rdi
mov    %rbx,%r15
mov    %r14d,%esi
mov    $0x8,%edx
mov    0x4(%rsp),%ebx
mov    %ebx,%ecx
xor    %eax,%eax
call   1040 <printf@plt>
mov    $0xa,%edi
call   1030 <putchar@plt>
mov    %r15,%rdi
mov    %r14d,%esi
mov    $0x9,%edx
mov    0x10(%rsp),%r15d
mov    %r15d,%ecx
xor    %eax,%eax
call   1040 <printf@plt>
mov    $0xa,%edi
call   1030 <putchar@plt>
add    $0x1,%r14d
add    $0x8,%ebx
addl   $0x4,0xc(%rsp)
addl   $0x2,0x8(%rsp)
add    $0x9,%r15d
mov    %r15d,0x10(%rsp)
add    $0x7,%r12d
add    $0x6,%ebp
add    $0x5,%r13d
mov    0x14(%rsp),%r15d
add    $0x3,%r15d
mov    %ebx,0x4(%rsp)
cmp    $0x50,%ebx
jne    1170 <main+0x50>
xor    %eax,%eax
add    $0x18,%rsp
pop    %rbx
pop    %r12
pop    %r13
pop    %r14
pop    %r15
pop    %rbp
ret

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

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