#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 /*<<< orphan*/ scanf(char *, int *);
int main(void) {
  int sec, min, left;
  printf("Convert seconds to minutes and seconds!\n");
  printf("Enter the number of seconds (<=0 to quit):\n");
  scanf("%d", &sec);
  while (sec > 0) {
    min = sec / 60;
    left = sec % 60;
    printf("%d seconds is %d minutes, %d seconds.\n", sec, min, left);
    printf("Enter next value (<=0 to quit):\n");
    scanf("%d", &sec);
  }
  printf("Done!\n");
  return 0;
}


x86 assembly (clang, -O0):
<main>:
push   %rbp
mov    %rsp,%rbp
sub    $0x10,%rsp
movl   $0x0,-0x4(%rbp)
lea    0xeca(%rip),%rdi
mov    $0x0,%al
call   1030 <printf@plt>
lea    0xee5(%rip),%rdi
mov    $0x0,%al
call   1030 <printf@plt>
lea    0xf03(%rip),%rdi
lea    -0x8(%rbp),%rsi
call   1040 <scanf@plt>
cmpl   $0x0,-0x8(%rbp)
jle    11bb <main+0x9b>
mov    -0x8(%rbp),%eax
mov    $0x3c,%ecx
cltd
idiv   %ecx
mov    %eax,-0xc(%rbp)
mov    -0x8(%rbp),%eax
mov    $0x3c,%ecx
cltd
idiv   %ecx
mov    %edx,-0x10(%rbp)
mov    -0x8(%rbp),%esi
mov    -0xc(%rbp),%edx
mov    -0x10(%rbp),%ecx
lea    0xec7(%rip),%rdi
mov    $0x0,%al
call   1030 <printf@plt>
lea    0xee0(%rip),%rdi
mov    $0x0,%al
call   1030 <printf@plt>
lea    0xea8(%rip),%rdi
lea    -0x8(%rbp),%rsi
call   1040 <scanf@plt>
jmp    115b <main+0x3b>
lea    0xede(%rip),%rdi
mov    $0x0,%al
call   1030 <printf@plt>
xor    %eax,%eax
add    $0x10,%rsp
pop    %rbp
ret

x86 assembly (clang, -O2):
<main>:
push   %r15
push   %r14
push   %r13
push   %r12
push   %rbx
sub    $0x10,%rsp
lea    0xee6(%rip),%rdi
call   1030 <puts@plt>
lea    0xf02(%rip),%rdi
call   1030 <puts@plt>
lea    0xea4(%rip),%rdi
lea    0xc(%rsp),%rsi
call   1050 <scanf@plt>
mov    0xc(%rsp),%esi
test   %esi,%esi
jle    11c6 <main+0x96>
mov    $0x88888889,%r13d
lea    0xe88(%rip),%r14
lea    0xf01(%rip),%r15
lea    0xe77(%rip),%r12
lea    0xc(%rsp),%rbx
xchg   %ax,%ax
mov    %esi,%edx
imul   %r13,%rdx
shr    $0x25,%rdx
imul   $0x3c,%edx,%eax
mov    %esi,%ecx
sub    %eax,%ecx
mov    %r14,%rdi
xor    %eax,%eax
call   1040 <printf@plt>
mov    %r15,%rdi
call   1030 <puts@plt>
mov    %r12,%rdi
mov    %rbx,%rsi
call   1050 <scanf@plt>
mov    0xc(%rsp),%esi
test   %esi,%esi
jg     1190 <main+0x60>
lea    0xeb0(%rip),%rdi
call   1030 <puts@plt>
xor    %eax,%eax
add    $0x10,%rsp
pop    %rbx
pop    %r12
pop    %r13
pop    %r14
pop    %r15
ret

LLVM IR (-O0):
@.str = [41 x i8] c"Convert seconds to minutes and seconds!\0A\00"
@.str.1 = [44 x i8] c"Enter the number of seconds (<=0 to quit):\0A\00"
@.str.2 = [3 x i8] c"%d\00"
@.str.3 = [39 x i8] c"%d seconds is %d minutes, %d seconds.\0A\00"
@.str.4 = [33 x i8] c"Enter next value (<=0 to quit):\0A\00"
@.str.5 = [7 x i8] c"Done!\0A\00"
define i32 @main() {
%1 = alloca i32
%2 = alloca i32
%3 = alloca i32
%4 = alloca i32
store i32 0, i32* %1
%5 = call i32 (i8*, ...) @printf(i8* getelementptr inbounds ([41 x i8], [41 x i8]* @.str, i64 0, i64 0))
%6 = call i32 (i8*, ...) @printf(i8* getelementptr inbounds ([44 x i8], [44 x i8]* @.str.1, i64 0, i64 0))
%7 = call i32 @scanf(i8* getelementptr inbounds ([3 x i8], [3 x i8]* @.str.2, i64 0, i64 0), i32* %2)
br label %8
8: ; preds = %11, %0
%9 = load i32, i32* %2
%10 = icmp sgt i32 %9, 0
br i1 %10, label %11, label %22
11: ; preds = %8
%12 = load i32, i32* %2
%13 = sdiv i32 %12, 60
store i32 %13, i32* %3
%14 = load i32, i32* %2
%15 = srem i32 %14, 60
store i32 %15, i32* %4
%16 = load i32, i32* %2
%17 = load i32, i32* %3
%18 = load i32, i32* %4
%19 = call i32 (i8*, ...) @printf(i8* getelementptr inbounds ([39 x i8], [39 x i8]* @.str.3, i64 0, i64 0), i32 %16, i32 %17, i32 %18)
%20 = call i32 (i8*, ...) @printf(i8* getelementptr inbounds ([33 x i8], [33 x i8]* @.str.4, i64 0, i64 0))
%21 = call i32 @scanf(i8* getelementptr inbounds ([3 x i8], [3 x i8]* @.str.2, i64 0, i64 0), i32* %2)
br label %8
22: ; preds = %8
%23 = call i32 (i8*, ...) @printf(i8* getelementptr inbounds ([7 x i8], [7 x i8]* @.str.5, i64 0, i64 0))
ret i32 0
}

LLVM IR (-O2):
@.str.2 = [3 x i8] c"%d\00"
@.str.3 = [39 x i8] c"%d seconds is %d minutes, %d seconds.\0A\00"
@str = [40 x i8] c"Convert seconds to minutes and seconds!\00"
@str.6 = [43 x i8] c"Enter the number of seconds (<=0 to quit):\00"
@str.7 = [6 x i8] c"Done!\00"
@str.8 = [32 x i8] c"Enter next value (<=0 to quit):\00"
define i32 @main() {
%1 = alloca i32
%2 = bitcast i32* %1 to i8*
%3 = tail call i32 @puts(i8* dereferenceable(1) getelementptr inbounds ([40 x i8], [40 x i8]* @str, i64 0, i64 0))
%4 = tail call i32 @puts(i8* dereferenceable(1) getelementptr inbounds ([43 x i8], [43 x i8]* @str.6, i64 0, i64 0))
%5 = call i32 @scanf(i8* getelementptr inbounds ([3 x i8], [3 x i8]* @.str.2, i64 0, i64 0), i32* %1)
%6 = load i32, i32* %1
%7 = icmp sgt i32 %6, 0
br i1 %7, label %8, label %17
8: ; preds = %0, %8
%9 = phi i32 [ %15, %8 ], [ %6, %0 ]
%10 = udiv i32 %9, 60
%11 = urem i32 %9, 60
%12 = call i32 (i8*, ...) @printf(i8* dereferenceable(1) getelementptr inbounds ([39 x i8], [39 x i8]* @.str.3, i64 0, i64 0), i32 %9, i32 %10, i32 %11)
%13 = call i32 @puts(i8* dereferenceable(1) getelementptr inbounds ([32 x i8], [32 x i8]* @str.8, i64 0, i64 0))
%14 = call i32 @scanf(i8* getelementptr inbounds ([3 x i8], [3 x i8]* @.str.2, i64 0, i64 0), i32* %1)
%15 = load i32, i32* %1
%16 = icmp sgt i32 %15, 0
br i1 %16, label %8, label %17
17: ; preds = %8, %0
%18 = call i32 @puts(i8* dereferenceable(1) getelementptr inbounds ([6 x i8], [6 x i8]* @str.7, i64 0, i64 0))
ret i32 0
}