#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*/ free(char *);
scalar_t__ malloc(int);
int /*<<< orphan*/ snprintf(char *, int, char *, char *, char *);
int strlen(char *);
char *getNewDecimal(char *left, char *right) {
  int size = strlen(left) + strlen(right) + 2;
  char *result = (char *)malloc(size);
  snprintf(result, size, "%s.%s", left, right);
  free(left);
  free(right);
  return result;
}


x86 assembly (clang, -O0):
<getNewDecimal>:
push   %rbp
mov    %rsp,%rbp
sub    $0x30,%rsp
mov    %rdi,-0x8(%rbp)
mov    %rsi,-0x10(%rbp)
mov    -0x8(%rbp),%rdi
call   1040 <strlen@plt>
mov    %eax,-0x24(%rbp)
mov    -0x10(%rbp),%rdi
call   1040 <strlen@plt>
mov    %eax,%ecx
mov    -0x24(%rbp),%eax
add    %ecx,%eax
add    $0x2,%eax
mov    %eax,-0x14(%rbp)
mov    -0x14(%rbp),%edi
call   1060 <malloc@plt>
mov    %rax,-0x20(%rbp)
mov    -0x20(%rbp),%rdi
mov    -0x14(%rbp),%esi
mov    -0x8(%rbp),%rcx
mov    -0x10(%rbp),%r8
lea    0xe6c(%rip),%rdx
call   1050 <snprintf@plt>
mov    -0x8(%rbp),%rdi
call   1030 <free@plt>
mov    -0x10(%rbp),%rdi
call   1030 <free@plt>
mov    -0x20(%rbp),%rax
add    $0x30,%rsp
pop    %rbp
ret

x86 assembly (clang, -O2):
<getNewDecimal>:
push   %rbp
push   %r15
push   %r14
push   %rbx
push   %rax
mov    %rsi,%r14
mov    %rdi,%rbx
call   1040 <strlen@plt>
mov    %eax,%r15d
mov    %r14,%rdi
call   1040 <strlen@plt>
lea    (%r15,%rax,1),%ebp
add    $0x2,%ebp
mov    %ebp,%edi
call   1060 <malloc@plt>
mov    %rax,%r15
lea    0xe8b(%rip),%rdx
mov    %rax,%rdi
mov    %ebp,%esi
mov    %rbx,%rcx
mov    %r14,%r8
call   1050 <snprintf@plt>
mov    %rbx,%rdi
call   1030 <free@plt>
mov    %r14,%rdi
call   1030 <free@plt>
mov    %r15,%rax
add    $0x8,%rsp
pop    %rbx
pop    %r14
pop    %r15
pop    %rbp
ret

LLVM IR (-O0):
@.str = [6 x i8] c"%s.%s\00"
define i8* @getNewDecimal(i8* %0, i8* %1) {
%3 = alloca i8*
%4 = alloca i8*
%5 = alloca i32
%6 = alloca i8*
store i8* %0, i8** %3
store i8* %1, i8** %4
%7 = load i8*, i8** %3
%8 = call i32 @strlen(i8* %7)
%9 = load i8*, i8** %4
%10 = call i32 @strlen(i8* %9)
%11 = add nsw i32 %8, %10
%12 = add nsw i32 %11, 2
store i32 %12, i32* %5
%13 = load i32, i32* %5
%14 = call i64 @malloc(i32 %13)
%15 = inttoptr i64 %14 to i8*
store i8* %15, i8** %6
%16 = load i8*, i8** %6
%17 = load i32, i32* %5
%18 = load i8*, i8** %3
%19 = load i8*, i8** %4
%20 = call i32 @snprintf(i8* %16, i32 %17, i8* getelementptr inbounds ([6 x i8], [6 x i8]* @.str, i64 0, i64 0), i8* %18, i8* %19)
%21 = load i8*, i8** %3
%22 = call i32 @free(i8* %21)
%23 = load i8*, i8** %4
%24 = call i32 @free(i8* %23)
%25 = load i8*, i8** %6
ret i8* %25
}

LLVM IR (-O2):
@.str = [6 x i8] c"%s.%s\00"
define i8* @getNewDecimal(i8* %0, i8* %1) {
%3 = tail call i32 @strlen(i8* %0)
%4 = tail call i32 @strlen(i8* %1)
%5 = add i32 %3, 2
%6 = add i32 %5, %4
%7 = tail call i64 @malloc(i32 %6)
%8 = inttoptr i64 %7 to i8*
%9 = tail call i32 @snprintf(i8* %8, i32 %6, i8* getelementptr inbounds ([6 x i8], [6 x i8]* @.str, i64 0, i64 0), i8* %0, i8* %1)
%10 = tail call i32 @free(i8* %0)
%11 = tail call i32 @free(i8* %1)
ret i8* %8
}