#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 argc, const char *argv[]) {
  for (int i = 99; i >= 0; i--) {
    printf("%d bottles of beer on the wall.\n", i);
    printf("%d bottles of beer.\n", i);
    printf("You take one down, pass it around\n");
  }
  return 0;
}


x86 assembly (clang, -O0):
<main>:
push   %rbp
mov    %rsp,%rbp
sub    $0x20,%rsp
movl   $0x0,-0x4(%rbp)
mov    %edi,-0x8(%rbp)
mov    %rsi,-0x10(%rbp)
movl   $0x63,-0x14(%rbp)
cmpl   $0x0,-0x14(%rbp)
jl     1175 <main+0x65>
mov    -0x14(%rbp),%esi
lea    0xebf(%rip),%rdi
mov    $0x0,%al
call   1030 <printf@plt>
mov    -0x14(%rbp),%esi
lea    0xecf(%rip),%rdi
mov    $0x0,%al
call   1030 <printf@plt>
lea    0xed6(%rip),%rdi
mov    $0x0,%al
call   1030 <printf@plt>
mov    -0x14(%rbp),%eax
add    $0xffffffff,%eax
mov    %eax,-0x14(%rbp)
jmp    112d <main+0x1d>
xor    %eax,%eax
add    $0x20,%rsp
pop    %rbp
ret

x86 assembly (clang, -O2):
<main>:
push   %r15
push   %r14
push   %r12
push   %rbx
push   %rax
mov    $0x63,%ebx
lea    0xecc(%rip),%r14
lea    0xee6(%rip),%r15
lea    0xef4(%rip),%r12
cs nopw 0x0(%rax,%rax,1)
nopl   0x0(%rax)
mov    %r14,%rdi
mov    %ebx,%esi
xor    %eax,%eax
call   1040 <printf@plt>
mov    %r15,%rdi
mov    %ebx,%esi
xor    %eax,%eax
call   1040 <printf@plt>
mov    %r12,%rdi
call   1030 <puts@plt>
add    $0xffffffff,%ebx
jb     1150 <main+0x30>
xor    %eax,%eax
add    $0x8,%rsp
pop    %rbx
pop    %r12
pop    %r14
pop    %r15
ret

LLVM IR (-O0):
@.str = [33 x i8] c"%d bottles of beer on the wall.\0A\00"
@.str.1 = [21 x i8] c"%d bottles of beer.\0A\00"
@.str.2 = [35 x i8] c"You take one down, pass it around\0A\00"
define i32 @main(i32 %0, i8** %1) {
%3 = alloca i32
%4 = alloca i32
%5 = alloca i8**
%6 = alloca i32
store i32 0, i32* %3
store i32 %0, i32* %4
store i8** %1, i8*** %5
store i32 99, i32* %6
br label %7
7: ; preds = %16, %2
%8 = load i32, i32* %6
%9 = icmp sge i32 %8, 0
br i1 %9, label %10, label %19
10: ; preds = %7
%11 = load i32, i32* %6
%12 = call i32 (i8*, ...) @printf(i8* getelementptr inbounds ([33 x i8], [33 x i8]* @.str, i64 0, i64 0), i32 %11)
%13 = load i32, i32* %6
%14 = call i32 (i8*, ...) @printf(i8* getelementptr inbounds ([21 x i8], [21 x i8]* @.str.1, i64 0, i64 0), i32 %13)
%15 = call i32 (i8*, ...) @printf(i8* getelementptr inbounds ([35 x i8], [35 x i8]* @.str.2, i64 0, i64 0))
br label %16
16: ; preds = %10
%17 = load i32, i32* %6
%18 = add nsw i32 %17, -1
store i32 %18, i32* %6
br label %7
19: ; preds = %7
ret i32 0
}

LLVM IR (-O2):
@.str = [33 x i8] c"%d bottles of beer on the wall.\0A\00"
@.str.1 = [21 x i8] c"%d bottles of beer.\0A\00"
@str = [34 x i8] c"You take one down, pass it around\00"
define i32 @main(i32 %0, i8** nocapture readnone %1) {
br label %4
3: ; preds = %4
ret i32 0
4: ; preds = %2, %4
%5 = phi i32 [ 99, %2 ], [ %9, %4 ]
%6 = tail call i32 (i8*, ...) @printf(i8* dereferenceable(1) getelementptr inbounds ([33 x i8], [33 x i8]* @.str, i64 0, i64 0), i32 %5)
%7 = tail call i32 (i8*, ...) @printf(i8* dereferenceable(1) getelementptr inbounds ([21 x i8], [21 x i8]* @.str.1, i64 0, i64 0), i32 %5)
%8 = tail call i32 @puts(i8* dereferenceable(1) getelementptr inbounds ([34 x i8], [34 x i8]* @str, i64 0, i64 0))
%9 = add nsw i32 %5, -1
%10 = icmp eq i32 %5, 0
br i1 %10, label %3, label %4
}