#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, int);
int main() {
  int i, j;
  int start = 7;
  for (i = 1; i <= 9; i += 2) {
    for (j = start; j > start - 3; j--) {
      printf("I=%d J=%d\n", i, j);
    }
    start += 2;
  }
  return 0;
}


x86 assembly (clang, -O0):
<main>:
push   %rbp
mov    %rsp,%rbp
sub    $0x10,%rsp
movl   $0x0,-0x4(%rbp)
movl   $0x7,-0x10(%rbp)
movl   $0x1,-0x8(%rbp)
cmpl   $0x9,-0x8(%rbp)
jg     1185 <main+0x75>
mov    -0x10(%rbp),%eax
mov    %eax,-0xc(%rbp)
mov    -0xc(%rbp),%eax
mov    -0x10(%rbp),%ecx
sub    $0x3,%ecx
cmp    %ecx,%eax
jle    116e <main+0x5e>
mov    -0x8(%rbp),%esi
mov    -0xc(%rbp),%edx
lea    0xea5(%rip),%rdi
call   1030 <printf@plt>
mov    -0xc(%rbp),%eax
add    $0xffffffff,%eax
mov    %eax,-0xc(%rbp)
jmp    113d <main+0x2d>
mov    -0x10(%rbp),%eax
add    $0x2,%eax
mov    %eax,-0x10(%rbp)
mov    -0x8(%rbp),%eax
add    $0x2,%eax
mov    %eax,-0x8(%rbp)
jmp    112d <main+0x1d>
xor    %eax,%eax
add    $0x10,%rsp
pop    %rbp
ret

x86 assembly (clang, -O2):
<main>:
push   %rbx
lea    0xee8(%rip),%rbx
mov    %rbx,%rdi
mov    $0x1,%esi
mov    $0x7,%edx
call   1030 <printf@plt>
mov    %rbx,%rdi
mov    $0x1,%esi
mov    $0x6,%edx
call   1030 <printf@plt>
mov    %rbx,%rdi
mov    $0x1,%esi
mov    $0x5,%edx
call   1030 <printf@plt>
mov    %rbx,%rdi
mov    $0x3,%esi
mov    $0x9,%edx
call   1030 <printf@plt>
mov    %rbx,%rdi
mov    $0x3,%esi
mov    $0x8,%edx
call   1030 <printf@plt>
mov    %rbx,%rdi
mov    $0x3,%esi
mov    $0x7,%edx
call   1030 <printf@plt>
mov    %rbx,%rdi
mov    $0x5,%esi
mov    $0xb,%edx
call   1030 <printf@plt>
mov    %rbx,%rdi
mov    $0x5,%esi
mov    $0xa,%edx
call   1030 <printf@plt>
mov    %rbx,%rdi
mov    $0x5,%esi
mov    $0x9,%edx
call   1030 <printf@plt>
mov    %rbx,%rdi
mov    $0x7,%esi
mov    $0xd,%edx
call   1030 <printf@plt>
mov    %rbx,%rdi
mov    $0x7,%esi
mov    $0xc,%edx
call   1030 <printf@plt>
mov    %rbx,%rdi
mov    $0x7,%esi
mov    $0xb,%edx
call   1030 <printf@plt>
mov    %rbx,%rdi
mov    $0x9,%esi
mov    $0xf,%edx
call   1030 <printf@plt>
mov    %rbx,%rdi
mov    $0x9,%esi
mov    $0xe,%edx
call   1030 <printf@plt>
mov    %rbx,%rdi
mov    $0x9,%esi
mov    $0xd,%edx
call   1030 <printf@plt>
xor    %eax,%eax
pop    %rbx
ret

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

LLVM IR (-O2):
@.str = [11 x i8] c"I=%d J=%d\0A\00"
define i32 @main() {
%1 = tail call i32 @printf(i8* getelementptr inbounds ([11 x i8], [11 x i8]* @.str, i64 0, i64 0), i32 1, i32 7)
%2 = tail call i32 @printf(i8* getelementptr inbounds ([11 x i8], [11 x i8]* @.str, i64 0, i64 0), i32 1, i32 6)
%3 = tail call i32 @printf(i8* getelementptr inbounds ([11 x i8], [11 x i8]* @.str, i64 0, i64 0), i32 1, i32 5)
%4 = tail call i32 @printf(i8* getelementptr inbounds ([11 x i8], [11 x i8]* @.str, i64 0, i64 0), i32 3, i32 9)
%5 = tail call i32 @printf(i8* getelementptr inbounds ([11 x i8], [11 x i8]* @.str, i64 0, i64 0), i32 3, i32 8)
%6 = tail call i32 @printf(i8* getelementptr inbounds ([11 x i8], [11 x i8]* @.str, i64 0, i64 0), i32 3, i32 7)
%7 = tail call i32 @printf(i8* getelementptr inbounds ([11 x i8], [11 x i8]* @.str, i64 0, i64 0), i32 5, i32 11)
%8 = tail call i32 @printf(i8* getelementptr inbounds ([11 x i8], [11 x i8]* @.str, i64 0, i64 0), i32 5, i32 10)
%9 = tail call i32 @printf(i8* getelementptr inbounds ([11 x i8], [11 x i8]* @.str, i64 0, i64 0), i32 5, i32 9)
%10 = tail call i32 @printf(i8* getelementptr inbounds ([11 x i8], [11 x i8]* @.str, i64 0, i64 0), i32 7, i32 13)
%11 = tail call i32 @printf(i8* getelementptr inbounds ([11 x i8], [11 x i8]* @.str, i64 0, i64 0), i32 7, i32 12)
%12 = tail call i32 @printf(i8* getelementptr inbounds ([11 x i8], [11 x i8]* @.str, i64 0, i64 0), i32 7, i32 11)
%13 = tail call i32 @printf(i8* getelementptr inbounds ([11 x i8], [11 x i8]* @.str, i64 0, i64 0), i32 9, i32 15)
%14 = tail call i32 @printf(i8* getelementptr inbounds ([11 x i8], [11 x i8]* @.str, i64 0, i64 0), i32 9, i32 14)
%15 = tail call i32 @printf(i8* getelementptr inbounds ([11 x i8], [11 x i8]* @.str, i64 0, i64 0), i32 9, i32 13)
ret i32 0
}