#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);
int main() {
  int r, c, sum;
  for (r = 1; r <= 3; r++) {
    for (c = 1; c <= 2; c++) {
      sum = r + c;
      printf("r=%d c=%d sum=%d\n", r, c, sum);
    }
  }
  return 0;
}


x86 assembly (clang, -O0):
<main>:
push   %rbp
mov    %rsp,%rbp
sub    $0x10,%rsp
movl   $0x0,-0x4(%rbp)
movl   $0x1,-0x8(%rbp)
cmpl   $0x3,-0x8(%rbp)
jg     1180 <main+0x70>
movl   $0x1,-0xc(%rbp)
cmpl   $0x2,-0xc(%rbp)
jg     116d <main+0x5d>
mov    -0x8(%rbp),%eax
add    -0xc(%rbp),%eax
mov    %eax,-0x10(%rbp)
mov    -0x8(%rbp),%esi
mov    -0xc(%rbp),%edx
mov    -0x10(%rbp),%ecx
lea    0xea6(%rip),%rdi
call   1030 <printf@plt>
mov    -0xc(%rbp),%eax
add    $0x1,%eax
mov    %eax,-0xc(%rbp)
jmp    1137 <main+0x27>
jmp    1172 <main+0x62>
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   %rbx
lea    0xee8(%rip),%rbx
mov    %rbx,%rdi
mov    $0x1,%esi
mov    $0x1,%edx
mov    $0x2,%ecx
call   1030 <printf@plt>
mov    %rbx,%rdi
mov    $0x1,%esi
mov    $0x2,%edx
mov    $0x3,%ecx
call   1030 <printf@plt>
mov    %rbx,%rdi
mov    $0x2,%esi
mov    $0x1,%edx
mov    $0x3,%ecx
call   1030 <printf@plt>
mov    %rbx,%rdi
mov    $0x2,%esi
mov    $0x2,%edx
mov    $0x4,%ecx
call   1030 <printf@plt>
mov    %rbx,%rdi
mov    $0x3,%esi
mov    $0x1,%edx
mov    $0x4,%ecx
call   1030 <printf@plt>
mov    %rbx,%rdi
mov    $0x3,%esi
mov    $0x2,%edx
mov    $0x5,%ecx
call   1030 <printf@plt>
xor    %eax,%eax
pop    %rbx
ret

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

LLVM IR (-O2):
@.str = [18 x i8] c"r=%d c=%d sum=%d\0A\00"
define i32 @main() {
%1 = tail call i32 @printf(i8* getelementptr inbounds ([18 x i8], [18 x i8]* @.str, i64 0, i64 0), i32 1, i32 1, i32 2)
%2 = tail call i32 @printf(i8* getelementptr inbounds ([18 x i8], [18 x i8]* @.str, i64 0, i64 0), i32 1, i32 2, i32 3)
%3 = tail call i32 @printf(i8* getelementptr inbounds ([18 x i8], [18 x i8]* @.str, i64 0, i64 0), i32 2, i32 1, i32 3)
%4 = tail call i32 @printf(i8* getelementptr inbounds ([18 x i8], [18 x i8]* @.str, i64 0, i64 0), i32 2, i32 2, i32 4)
%5 = tail call i32 @printf(i8* getelementptr inbounds ([18 x i8], [18 x i8]* @.str, i64 0, i64 0), i32 3, i32 1, i32 4)
%6 = tail call i32 @printf(i8* getelementptr inbounds ([18 x i8], [18 x i8]* @.str, i64 0, i64 0), i32 3, i32 2, i32 5)
ret i32 0
}