#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 atoi(char *);
int /*<<< orphan*/ printf(char *, char *, ...);
int main(int argc, char *argv[]) {
  if (argc != 3) {
    printf("Usage:		%s Integer1 Integer2		", argv[0]);
  } else {
    printf("%s + %s = %d		", argv[1], argv[2],
           atoi(argv[1]) + atoi(argv[2]));
  }
  return 0;
}


x86 assembly (clang, -O0):
<main>:
push   %rbp
mov    %rsp,%rbp
sub    $0x30,%rsp
movl   $0x0,-0x4(%rbp)
mov    %edi,-0x8(%rbp)
mov    %rsi,-0x10(%rbp)
cmpl   $0x3,-0x8(%rbp)
je     115a <main+0x3a>
mov    -0x10(%rbp),%rax
mov    (%rax),%rsi
lea    0xeb2(%rip),%rdi
mov    $0x0,%al
call   1030 <printf@plt>
jmp    11aa <main+0x8a>
mov    -0x10(%rbp),%rax
mov    0x8(%rax),%rax
mov    %rax,-0x20(%rbp)
mov    -0x10(%rbp),%rax
mov    0x10(%rax),%rax
mov    %rax,-0x18(%rbp)
mov    -0x10(%rbp),%rax
mov    0x8(%rax),%rdi
call   1040 <atoi@plt>
mov    %eax,-0x24(%rbp)
mov    -0x10(%rbp),%rax
mov    0x10(%rax),%rdi
call   1040 <atoi@plt>
mov    -0x24(%rbp),%ecx
mov    -0x20(%rbp),%rsi
mov    -0x18(%rbp),%rdx
add    %eax,%ecx
lea    0xe7c(%rip),%rdi
mov    $0x0,%al
call   1030 <printf@plt>
xor    %eax,%eax
add    $0x30,%rsp
pop    %rbp
ret

x86 assembly (clang, -O2):
<main>:
push   %rbp
push   %r14
push   %rbx
cmp    $0x3,%edi
jne    115d <main+0x3d>
mov    0x8(%rsi),%rbx
mov    0x10(%rsi),%r14
mov    %rbx,%rdi
call   1040 <atoi@plt>
mov    %eax,%ebp
mov    %r14,%rdi
call   1040 <atoi@plt>
add    %eax,%ebp
lea    0xed3(%rip),%rdi
mov    %rbx,%rsi
mov    %r14,%rdx
mov    %ebp,%ecx
xor    %eax,%eax
call   1030 <printf@plt>
jmp    116e <main+0x4e>
mov    (%rsi),%rsi
lea    0xe99(%rip),%rdi
xor    %eax,%eax
call   1030 <printf@plt>
xor    %eax,%eax
pop    %rbx
pop    %r14
pop    %rbp
ret

LLVM IR (-O0):
@.str = [31 x i8] c"Usage:\09\09%s Integer1 Integer2\09\09\00"
@.str.1 = [15 x i8] c"%s + %s = %d\09\09\00"
define i32 @main(i32 %0, i8** %1) {
%3 = alloca i32
%4 = alloca i32
%5 = alloca i8**
store i32 0, i32* %3
store i32 %0, i32* %4
store i8** %1, i8*** %5
%6 = load i32, i32* %4
%7 = icmp ne i32 %6, 3
br i1 %7, label %8, label %13
8: ; preds = %2
%9 = load i8**, i8*** %5
%10 = getelementptr inbounds i8*, i8** %9, i64 0
%11 = load i8*, i8** %10
%12 = call i32 (i8*, i8*, ...) @printf(i8* getelementptr inbounds ([31 x i8], [31 x i8]* @.str, i64 0, i64 0), i8* %11)
br label %30
13: ; preds = %2
%14 = load i8**, i8*** %5
%15 = getelementptr inbounds i8*, i8** %14, i64 1
%16 = load i8*, i8** %15
%17 = load i8**, i8*** %5
%18 = getelementptr inbounds i8*, i8** %17, i64 2
%19 = load i8*, i8** %18
%20 = load i8**, i8*** %5
%21 = getelementptr inbounds i8*, i8** %20, i64 1
%22 = load i8*, i8** %21
%23 = call i32 @atoi(i8* %22)
%24 = load i8**, i8*** %5
%25 = getelementptr inbounds i8*, i8** %24, i64 2
%26 = load i8*, i8** %25
%27 = call i32 @atoi(i8* %26)
%28 = add nsw i32 %23, %27
%29 = call i32 (i8*, i8*, ...) @printf(i8* getelementptr inbounds ([15 x i8], [15 x i8]* @.str.1, i64 0, i64 0), i8* %16, i8* %19, i32 %28)
br label %30
30: ; preds = %13, %8
ret i32 0
}

LLVM IR (-O2):
@.str = [31 x i8] c"Usage:\09\09%s Integer1 Integer2\09\09\00"
@.str.1 = [15 x i8] c"%s + %s = %d\09\09\00"
define i32 @main(i32 %0, i8** nocapture %1) {
%3 = icmp eq i32 %0, 3
br i1 %3, label %7, label %4
4: ; preds = %2
%5 = load i8*, i8** %1
%6 = tail call i32 (i8*, i8*, ...) @printf(i8* getelementptr inbounds ([31 x i8], [31 x i8]* @.str, i64 0, i64 0), i8* %5)
br label %16
7: ; preds = %2
%8 = getelementptr inbounds i8*, i8** %1, i64 1
%9 = load i8*, i8** %8
%10 = getelementptr inbounds i8*, i8** %1, i64 2
%11 = load i8*, i8** %10
%12 = tail call i32 @atoi(i8* %9)
%13 = tail call i32 @atoi(i8* %11)
%14 = add nsw i32 %13, %12
%15 = tail call i32 (i8*, i8*, ...) @printf(i8* getelementptr inbounds ([15 x i8], [15 x i8]* @.str.1, i64 0, i64 0), i8* %9, i8* %11, i32 %14)
br label %16
16: ; preds = %7, %4
ret i32 0
}