#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*/ puts(char *);
int /*<<< orphan*/ scanf(char *, int *);
int main(void) {
  int x = 0, y = 0;
  puts("请输入两个整数。");
  printf("整数x：");
  scanf("%d", &x);
  printf("整数y：");
  scanf("%d", &y);
  printf("x的值是y的%d%%。\n", x * 100 / y);
  printf("\n");
  printf("x是y的%f%%。\n", x * 100.0 / y);
  return 0;
}


x86 assembly (clang, -O0):
<main>:
push   %rbp
mov    %rsp,%rbp
sub    $0x10,%rsp
movl   $0x0,-0x4(%rbp)
movl   $0x0,-0x8(%rbp)
movl   $0x0,-0xc(%rbp)
lea    0xeb4(%rip),%rdi
call   1030 <puts@plt>
lea    0xec1(%rip),%rdi
mov    $0x0,%al
call   1040 <printf@plt>
lea    0xebe(%rip),%rdi
lea    -0x8(%rbp),%rsi
call   1050 <scanf@plt>
lea    0xeb1(%rip),%rdi
mov    $0x0,%al
call   1040 <printf@plt>
lea    0xea0(%rip),%rdi
lea    -0xc(%rbp),%rsi
call   1050 <scanf@plt>
imul   $0x64,-0x8(%rbp),%eax
cltd
idivl  -0xc(%rbp)
mov    %eax,%esi
lea    0xe94(%rip),%rdi
mov    $0x0,%al
call   1040 <printf@plt>
lea    0xe9b(%rip),%rdi
mov    $0x0,%al
call   1040 <printf@plt>
cvtsi2sdl -0x8(%rbp),%xmm0
movsd  0xe38(%rip),%xmm1
mulsd  %xmm1,%xmm0
cvtsi2sdl -0xc(%rbp),%xmm1
divsd  %xmm1,%xmm0
lea    0xe75(%rip),%rdi
mov    $0x1,%al
call   1040 <printf@plt>
xor    %eax,%eax
add    $0x10,%rsp
pop    %rbp
ret

x86 assembly (clang, -O2):
<main>:
push   %rbx
sub    $0x10,%rsp
movl   $0x0,0xc(%rsp)
movl   $0x0,0x8(%rsp)
lea    0xeac(%rip),%rdi
call   1040 <puts@plt>
lea    0xeb9(%rip),%rdi
xor    %eax,%eax
call   1050 <printf@plt>
lea    0xeb6(%rip),%rbx
lea    0xc(%rsp),%rsi
mov    %rbx,%rdi
call   1060 <scanf@plt>
lea    0xea5(%rip),%rdi
xor    %eax,%eax
call   1050 <printf@plt>
lea    0x8(%rsp),%rsi
mov    %rbx,%rdi
call   1060 <scanf@plt>
imul   $0x64,0xc(%rsp),%eax
cltd
idivl  0x8(%rsp)
lea    0xe8b(%rip),%rdi
mov    %eax,%esi
xor    %eax,%eax
call   1050 <printf@plt>
mov    $0xa,%edi
call   1030 <putchar@plt>
cvtsi2sdl 0xc(%rsp),%xmm0
mulsd  0xe30(%rip),%xmm0
cvtsi2sdl 0x8(%rsp),%xmm1
divsd  %xmm1,%xmm0
lea    0xe70(%rip),%rdi
mov    $0x1,%al
call   1050 <printf@plt>
xor    %eax,%eax
add    $0x10,%rsp
pop    %rbx
ret

LLVM IR (-O0):
@.str = [25 x i8] c"\E8\AF\B7\E8\BE\93\E5\85\A5\E4\B8\A4\E4\B8\AA\E6\95\B4\E6\95\B0\E3\80\82\00"
@.str.1 = [11 x i8] c"\E6\95\B4\E6\95\B0x\EF\BC\9A\00"
@.str.2 = [3 x i8] c"%d\00"
@.str.3 = [11 x i8] c"\E6\95\B4\E6\95\B0y\EF\BC\9A\00"
@.str.4 = [23 x i8] c"x\E7\9A\84\E5\80\BC\E6\98\AFy\E7\9A\84%d%%\E3\80\82\0A\00"
@.str.5 = [2 x i8] c"\0A\00"
@.str.6 = [17 x i8] c"x\E6\98\AFy\E7\9A\84%f%%\E3\80\82\0A\00"
define i32 @main() {
%1 = alloca i32
%2 = alloca i32
%3 = alloca i32
store i32 0, i32* %1
store i32 0, i32* %2
store i32 0, i32* %3
%4 = call i32 @puts(i8* getelementptr inbounds ([25 x i8], [25 x i8]* @.str, i64 0, i64 0))
%5 = call i32 (i8*, ...) @printf(i8* getelementptr inbounds ([11 x i8], [11 x i8]* @.str.1, i64 0, i64 0))
%6 = call i32 @scanf(i8* getelementptr inbounds ([3 x i8], [3 x i8]* @.str.2, i64 0, i64 0), i32* %2)
%7 = call i32 (i8*, ...) @printf(i8* getelementptr inbounds ([11 x i8], [11 x i8]* @.str.3, i64 0, i64 0))
%8 = call i32 @scanf(i8* getelementptr inbounds ([3 x i8], [3 x i8]* @.str.2, i64 0, i64 0), i32* %3)
%9 = load i32, i32* %2
%10 = mul nsw i32 %9, 100
%11 = load i32, i32* %3
%12 = sdiv i32 %10, %11
%13 = call i32 (i8*, ...) @printf(i8* getelementptr inbounds ([23 x i8], [23 x i8]* @.str.4, i64 0, i64 0), i32 %12)
%14 = call i32 (i8*, ...) @printf(i8* getelementptr inbounds ([2 x i8], [2 x i8]* @.str.5, i64 0, i64 0))
%15 = load i32, i32* %2
%16 = sitofp i32 %15 to double
%17 = fmul double %16, 1.000000e+02
%18 = load i32, i32* %3
%19 = sitofp i32 %18 to double
%20 = fdiv double %17, %19
%21 = call i32 (i8*, ...) @printf(i8* getelementptr inbounds ([17 x i8], [17 x i8]* @.str.6, i64 0, i64 0), double %20)
ret i32 0
}

LLVM IR (-O2):
@.str = [25 x i8] c"\E8\AF\B7\E8\BE\93\E5\85\A5\E4\B8\A4\E4\B8\AA\E6\95\B4\E6\95\B0\E3\80\82\00"
@.str.1 = [11 x i8] c"\E6\95\B4\E6\95\B0x\EF\BC\9A\00"
@.str.2 = [3 x i8] c"%d\00"
@.str.3 = [11 x i8] c"\E6\95\B4\E6\95\B0y\EF\BC\9A\00"
@.str.4 = [23 x i8] c"x\E7\9A\84\E5\80\BC\E6\98\AFy\E7\9A\84%d%%\E3\80\82\0A\00"
@.str.6 = [17 x i8] c"x\E6\98\AFy\E7\9A\84%f%%\E3\80\82\0A\00"
define i32 @main() {
%1 = alloca i32
%2 = alloca i32
%3 = bitcast i32* %1 to i8*
store i32 0, i32* %1
%4 = bitcast i32* %2 to i8*
store i32 0, i32* %2
%5 = tail call i32 @puts(i8* dereferenceable(1) getelementptr inbounds ([25 x i8], [25 x i8]* @.str, i64 0, i64 0))
%6 = tail call i32 (i8*, ...) @printf(i8* dereferenceable(1) getelementptr inbounds ([11 x i8], [11 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* %1)
%8 = call i32 (i8*, ...) @printf(i8* dereferenceable(1) getelementptr inbounds ([11 x i8], [11 x i8]* @.str.3, i64 0, i64 0))
%9 = call i32 @scanf(i8* getelementptr inbounds ([3 x i8], [3 x i8]* @.str.2, i64 0, i64 0), i32* %2)
%10 = load i32, i32* %1
%11 = mul nsw i32 %10, 100
%12 = load i32, i32* %2
%13 = sdiv i32 %11, %12
%14 = call i32 (i8*, ...) @printf(i8* dereferenceable(1) getelementptr inbounds ([23 x i8], [23 x i8]* @.str.4, i64 0, i64 0), i32 %13)
%15 = call i32 @putchar(i32 10)
%16 = load i32, i32* %1
%17 = sitofp i32 %16 to double
%18 = fmul double %17, 1.000000e+02
%19 = load i32, i32* %2
%20 = sitofp i32 %19 to double
%21 = fdiv double %18, %20
%22 = call i32 (i8*, ...) @printf(i8* dereferenceable(1) getelementptr inbounds ([17 x i8], [17 x i8]* @.str.6, i64 0, i64 0), double %21)
ret i32 0
}