#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 printf(char *, ...);
void test_printf_ret() {
  int ret;
  ret = printf("123");
  printf("%d\n", (ret));
  ret = printf("猫");
  printf("%d\n", (ret));
  ret = printf("%x", 123);
  printf("%d\n", (ret));
  ret = printf("\u732B");
  printf("%d\n", (ret));
}


x86 assembly (clang, -O0):
<test_printf_ret>:
push   %rbp
mov    %rsp,%rbp
sub    $0x10,%rsp
lea    0xee1(%rip),%rdi
mov    $0x0,%al
call   1030 <printf@plt>
mov    %eax,-0x4(%rbp)
mov    -0x4(%rbp),%esi
lea    0xed1(%rip),%rdi
mov    $0x0,%al
call   1030 <printf@plt>
lea    0xec7(%rip),%rdi
mov    $0x0,%al
call   1030 <printf@plt>
mov    %eax,-0x4(%rbp)
mov    -0x4(%rbp),%esi
lea    0xeaf(%rip),%rdi
mov    $0x0,%al
call   1030 <printf@plt>
lea    0xea9(%rip),%rdi
mov    $0x7b,%esi
mov    $0x0,%al
call   1030 <printf@plt>
mov    %eax,-0x4(%rbp)
mov    -0x4(%rbp),%esi
lea    0xe88(%rip),%rdi
mov    $0x0,%al
call   1030 <printf@plt>
lea    0xe7e(%rip),%rdi
mov    $0x0,%al
call   1030 <printf@plt>
mov    %eax,-0x4(%rbp)
mov    -0x4(%rbp),%esi
lea    0xe66(%rip),%rdi
mov    $0x0,%al
call   1030 <printf@plt>
add    $0x10,%rsp
pop    %rbp
ret

x86 assembly (clang, -O2):
<test_printf_ret>:
push   %r14
push   %rbx
push   %rax
lea    0xee5(%rip),%rdi
xor    %eax,%eax
call   1030 <printf@plt>
lea    0xedb(%rip),%rbx
mov    %rbx,%rdi
mov    %eax,%esi
xor    %eax,%eax
call   1030 <printf@plt>
lea    0xecc(%rip),%r14
mov    %r14,%rdi
xor    %eax,%eax
call   1030 <printf@plt>
mov    %rbx,%rdi
mov    %eax,%esi
xor    %eax,%eax
call   1030 <printf@plt>
lea    0xeb3(%rip),%rdi
mov    $0x7b,%esi
xor    %eax,%eax
call   1030 <printf@plt>
mov    %rbx,%rdi
mov    %eax,%esi
xor    %eax,%eax
call   1030 <printf@plt>
mov    %r14,%rdi
xor    %eax,%eax
call   1030 <printf@plt>
mov    %rbx,%rdi
mov    %eax,%esi
xor    %eax,%eax
add    $0x8,%rsp
pop    %rbx
pop    %r14
jmp    1030 <printf@plt>

LLVM IR (-O0):
@.str = [4 x i8] c"123\00"
@.str.1 = [4 x i8] c"%d\0A\00"
@.str.2 = [4 x i8] c"\E7\8C\AB\00"
@.str.3 = [3 x i8] c"%x\00"
define void @test_printf_ret() {
%1 = alloca i32
%2 = call i32 (i8*, ...) @printf(i8* getelementptr inbounds ([4 x i8], [4 x i8]* @.str, i64 0, i64 0))
store i32 %2, i32* %1
%3 = load i32, i32* %1
%4 = call i32 (i8*, ...) @printf(i8* getelementptr inbounds ([4 x i8], [4 x i8]* @.str.1, i64 0, i64 0), i32 %3)
%5 = call i32 (i8*, ...) @printf(i8* getelementptr inbounds ([4 x i8], [4 x i8]* @.str.2, i64 0, i64 0))
store i32 %5, i32* %1
%6 = load i32, i32* %1
%7 = call i32 (i8*, ...) @printf(i8* getelementptr inbounds ([4 x i8], [4 x i8]* @.str.1, i64 0, i64 0), i32 %6)
%8 = call i32 (i8*, ...) @printf(i8* getelementptr inbounds ([3 x i8], [3 x i8]* @.str.3, i64 0, i64 0), i32 123)
store i32 %8, i32* %1
%9 = load i32, i32* %1
%10 = call i32 (i8*, ...) @printf(i8* getelementptr inbounds ([4 x i8], [4 x i8]* @.str.1, i64 0, i64 0), i32 %9)
%11 = call i32 (i8*, ...) @printf(i8* getelementptr inbounds ([4 x i8], [4 x i8]* @.str.2, i64 0, i64 0))
store i32 %11, i32* %1
%12 = load i32, i32* %1
%13 = call i32 (i8*, ...) @printf(i8* getelementptr inbounds ([4 x i8], [4 x i8]* @.str.1, i64 0, i64 0), i32 %12)
ret void
}

LLVM IR (-O2):
@.str = [4 x i8] c"123\00"
@.str.1 = [4 x i8] c"%d\0A\00"
@.str.2 = [4 x i8] c"\E7\8C\AB\00"
@.str.3 = [3 x i8] c"%x\00"
define void @test_printf_ret() {
%1 = tail call i32 (i8*, ...) @printf(i8* dereferenceable(1) getelementptr inbounds ([4 x i8], [4 x i8]* @.str, i64 0, i64 0))
%2 = tail call i32 (i8*, ...) @printf(i8* dereferenceable(1) getelementptr inbounds ([4 x i8], [4 x i8]* @.str.1, i64 0, i64 0), i32 %1)
%3 = tail call i32 (i8*, ...) @printf(i8* dereferenceable(1) getelementptr inbounds ([4 x i8], [4 x i8]* @.str.2, i64 0, i64 0))
%4 = tail call i32 (i8*, ...) @printf(i8* dereferenceable(1) getelementptr inbounds ([4 x i8], [4 x i8]* @.str.1, i64 0, i64 0), i32 %3)
%5 = tail call i32 (i8*, ...) @printf(i8* dereferenceable(1) getelementptr inbounds ([3 x i8], [3 x i8]* @.str.3, i64 0, i64 0), i32 123)
%6 = tail call i32 (i8*, ...) @printf(i8* dereferenceable(1) getelementptr inbounds ([4 x i8], [4 x i8]* @.str.1, i64 0, i64 0), i32 %5)
%7 = tail call i32 (i8*, ...) @printf(i8* dereferenceable(1) getelementptr inbounds ([4 x i8], [4 x i8]* @.str.2, i64 0, i64 0))
%8 = tail call i32 (i8*, ...) @printf(i8* dereferenceable(1) getelementptr inbounds ([4 x i8], [4 x i8]* @.str.1, i64 0, i64 0), i32 %7)
ret void
}