#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 scanf(char *, int *);
int main(void) {
  int n;
  int cpt = 0;
  int items;
  do {
    printf("Entrer un entier: ");
    items = scanf("%d", &n);
    if (n > 0 && items == 1)
      cpt += 1;
  } while (n > 0 && items == 1);
  printf("Nombre d'entiers saisis: %d\n", cpt);
  return 0;
}


x86 assembly (clang, -O0):
<main>:
push   %rbp
mov    %rsp,%rbp
sub    $0x20,%rsp
movl   $0x0,-0x4(%rbp)
movl   $0x0,-0xc(%rbp)
lea    0xec3(%rip),%rdi
mov    $0x0,%al
call   1030 <printf@plt>
lea    0xec8(%rip),%rdi
lea    -0x8(%rbp),%rsi
call   1040 <scanf@plt>
mov    %eax,-0x10(%rbp)
cmpl   $0x0,-0x8(%rbp)
jle    1174 <main+0x54>
cmpl   $0x1,-0x10(%rbp)
jne    1174 <main+0x54>
mov    -0xc(%rbp),%eax
add    $0x1,%eax
mov    %eax,-0xc(%rbp)
jmp    1179 <main+0x59>
xor    %eax,%eax
cmpl   $0x0,-0x8(%rbp)
mov    %al,-0x11(%rbp)
jle    1192 <main+0x72>
cmpl   $0x1,-0x10(%rbp)
sete   %al
mov    %al,-0x11(%rbp)
mov    -0x11(%rbp),%al
test   $0x1,%al
jne    1136 <main+0x16>
mov    -0xc(%rbp),%esi
lea    0xe6f(%rip),%rdi
mov    $0x0,%al
call   1030 <printf@plt>
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    $0xffffffff,%ebx
lea    0xecc(%rip),%r14
lea    0xed8(%rip),%r15
lea    0x4(%rsp),%r12
mov    %r14,%rdi
xor    %eax,%eax
call   1030 <printf@plt>
mov    %r15,%rdi
mov    %r12,%rsi
call   1040 <scanf@plt>
add    $0x1,%ebx
cmp    $0x1,%eax
jne    1164 <main+0x44>
cmpl   $0x0,0x4(%rsp)
jg     1140 <main+0x20>
lea    0xeab(%rip),%rdi
mov    %ebx,%esi
xor    %eax,%eax
call   1030 <printf@plt>
xor    %eax,%eax
add    $0x8,%rsp
pop    %rbx
pop    %r12
pop    %r14
pop    %r15
ret

LLVM IR (-O0):
@.str = [19 x i8] c"Entrer un entier: \00"
@.str.1 = [3 x i8] c"%d\00"
@.str.2 = [29 x i8] c"Nombre d'entiers saisis: %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 0, i32* %3
br label %5
5: ; preds = %23, %0
%6 = call i32 (i8*, ...) @printf(i8* getelementptr inbounds ([19 x i8], [19 x i8]* @.str, i64 0, i64 0))
%7 = call i32 @scanf(i8* getelementptr inbounds ([3 x i8], [3 x i8]* @.str.1, i64 0, i64 0), i32* %2)
store i32 %7, i32* %4
%8 = load i32, i32* %2
%9 = icmp sgt i32 %8, 0
br i1 %9, label %10, label %16
10: ; preds = %5
%11 = load i32, i32* %4
%12 = icmp eq i32 %11, 1
br i1 %12, label %13, label %16
13: ; preds = %10
%14 = load i32, i32* %3
%15 = add nsw i32 %14, 1
store i32 %15, i32* %3
br label %16
16: ; preds = %13, %10, %5
br label %17
17: ; preds = %16
%18 = load i32, i32* %2
%19 = icmp sgt i32 %18, 0
br i1 %19, label %20, label %23
20: ; preds = %17
%21 = load i32, i32* %4
%22 = icmp eq i32 %21, 1
br label %23
23: ; preds = %20, %17
%24 = phi i1 [ false, %17 ], [ %22, %20 ]
br i1 %24, label %5, label %25
25: ; preds = %23
%26 = load i32, i32* %3
%27 = call i32 (i8*, ...) @printf(i8* getelementptr inbounds ([29 x i8], [29 x i8]* @.str.2, i64 0, i64 0), i32 %26)
ret i32 0
}

LLVM IR (-O2):
@.str = [19 x i8] c"Entrer un entier: \00"
@.str.1 = [3 x i8] c"%d\00"
@.str.2 = [29 x i8] c"Nombre d'entiers saisis: %d\0A\00"
define i32 @main() {
%1 = alloca i32
%2 = bitcast i32* %1 to i8*
br label %3
3: ; preds = %3, %0
%4 = phi i32 [ 0, %0 ], [ %11, %3 ]
%5 = call i32 (i8*, ...) @printf(i8* dereferenceable(1) getelementptr inbounds ([19 x i8], [19 x i8]* @.str, i64 0, i64 0))
%6 = call i32 @scanf(i8* getelementptr inbounds ([3 x i8], [3 x i8]* @.str.1, i64 0, i64 0), i32* %1)
%7 = load i32, i32* %1
%8 = icmp sgt i32 %7, 0
%9 = icmp eq i32 %6, 1
%10 = and i1 %9, %8
%11 = add nuw nsw i32 %4, 1
br i1 %10, label %3, label %12
12: ; preds = %3
%13 = call i32 (i8*, ...) @printf(i8* dereferenceable(1) getelementptr inbounds ([29 x i8], [29 x i8]* @.str.2, i64 0, i64 0), i32 %4)
ret i32 0
}