#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 *, ...);
main() {
  int i, j;
  int const limtab = 10;
  printf("\n");
  for (i = 1; i <= limtab; i++) {
    for (j = 1; j <= limtab; j++)
      printf("%4d", i * j);
    printf("\n");
  }
}


x86 assembly (clang, -O0):
<main>:
push   %rbp
mov    %rsp,%rbp
sub    $0x10,%rsp
movl   $0x0,-0x4(%rbp)
movl   $0xa,-0x10(%rbp)
lea    0xed3(%rip),%rdi
mov    $0x0,%al
call   1030 <printf@plt>
movl   $0x1,-0x8(%rbp)
cmpl   $0xa,-0x8(%rbp)
jg     1195 <main+0x85>
movl   $0x1,-0xc(%rbp)
cmpl   $0xa,-0xc(%rbp)
jg     1179 <main+0x69>
mov    -0x8(%rbp),%esi
imul   -0xc(%rbp),%esi
lea    0xe9e(%rip),%rdi
mov    $0x0,%al
call   1030 <printf@plt>
mov    -0xc(%rbp),%eax
add    $0x1,%eax
mov    %eax,-0xc(%rbp)
jmp    114c <main+0x3c>
lea    0xe80(%rip),%rdi
mov    $0x0,%al
call   1030 <printf@plt>
mov    -0x8(%rbp),%eax
add    $0x1,%eax
mov    %eax,-0x8(%rbp)
jmp    113b <main+0x2b>
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
movl   $0xa,0x14(%rsp)
mov    $0xa,%edi
call   1030 <putchar@plt>
mov    $0x1,%eax
movl   $0x8,0x8(%rsp)
movl   $0x4,0x10(%rsp)
mov    $0x2,%r14d
movl   $0x9,0xc(%rsp)
movl   $0x7,0x4(%rsp)
mov    $0x6,%ebx
mov    $0x5,%r13d
mov    $0x3,%r12d
nopl   0x0(%rax)
mov    %eax,0x18(%rsp)
lea    0xe75(%rip),%rbp
mov    %rbp,%rdi
mov    0x18(%rsp),%esi
xor    %eax,%eax
call   1040 <printf@plt>
mov    %rbp,%rdi
mov    %r14d,0x20(%rsp)
mov    %r14d,%esi
xor    %eax,%eax
call   1040 <printf@plt>
mov    %rbp,%rdi
mov    %r12d,0x24(%rsp)
mov    %r12d,%esi
xor    %eax,%eax
call   1040 <printf@plt>
mov    %rbp,%rdi
mov    0x10(%rsp),%r14d
mov    %r14d,%esi
xor    %eax,%eax
call   1040 <printf@plt>
mov    %rbp,%rdi
mov    %r13d,0x1c(%rsp)
mov    %r13d,%esi
xor    %eax,%eax
call   1040 <printf@plt>
mov    %rbp,%rdi
mov    %ebx,%esi
xor    %eax,%eax
call   1040 <printf@plt>
mov    %rbp,%rdi
mov    0x4(%rsp),%r13d
mov    %r13d,%esi
xor    %eax,%eax
call   1040 <printf@plt>
mov    %rbp,%rdi
mov    0x8(%rsp),%r15d
mov    %r15d,%esi
xor    %eax,%eax
call   1040 <printf@plt>
mov    %rbp,%rdi
mov    0xc(%rsp),%r12d
mov    %r12d,%esi
xor    %eax,%eax
call   1040 <printf@plt>
mov    %rbp,%rdi
mov    0x14(%rsp),%ebp
mov    %ebp,%esi
xor    %eax,%eax
call   1040 <printf@plt>
mov    $0xa,%edi
call   1030 <putchar@plt>
mov    0x18(%rsp),%eax
add    $0x1,%eax
add    $0x8,%r15d
add    $0x4,%r14d
mov    %r14d,0x10(%rsp)
mov    0x20(%rsp),%r14d
add    $0x2,%r14d
add    $0xa,%ebp
mov    %ebp,0x14(%rsp)
add    $0x9,%r12d
mov    %r12d,0xc(%rsp)
add    $0x7,%r13d
mov    %r13d,0x4(%rsp)
add    $0x6,%ebx
mov    0x1c(%rsp),%r13d
add    $0x5,%r13d
mov    0x24(%rsp),%r12d
add    $0x3,%r12d
mov    %r15d,0x8(%rsp)
cmp    $0x58,%r15d
jne    1180 <main+0x60>
xor    %eax,%eax
add    $0x28,%rsp
pop    %rbx
pop    %r12
pop    %r13
pop    %r14
pop    %r15
pop    %rbp
ret

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

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