#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 EXIT_SUCCESS;
int SumFile(char *);
int /*<<< orphan*/ Usage(char *);
int /*<<< orphan*/ exit(int);
int /*<<< orphan*/ perror(char *);
int main(int argc, char *argv[]) {
  if (argc != 2) {
    Usage(argv[0]);
    exit(1);
  }
  if (SumFile(argv[1]) == -1) {
    perror("Error on computing sum!");
    exit(1);
  }
  return EXIT_SUCCESS;
}


x86 assembly (clang, -O0):
<main>:
push   %rbp
mov    %rsp,%rbp
sub    $0x10,%rsp
movl   $0x0,-0x4(%rbp)
mov    %edi,-0x8(%rbp)
mov    %rsi,-0x10(%rbp)
cmpl   $0x2,-0x8(%rbp)
je     1176 <main+0x36>
mov    -0x10(%rbp),%rax
mov    (%rax),%rdi
call   1040 <Usage@plt>
mov    $0x1,%edi
call   1060 <exit@plt>
mov    -0x10(%rbp),%rax
mov    0x8(%rax),%rdi
call   1030 <SumFile@plt>
cmp    $0xffffffff,%eax
jne    11a2 <main+0x62>
lea    0xe6d(%rip),%rdi
call   1050 <perror@plt>
mov    $0x1,%edi
call   1060 <exit@plt>
mov    0x2e37(%rip),%rax
mov    (%rax),%eax
add    $0x10,%rsp
pop    %rbp
ret

x86 assembly (clang, -O2):
<main>:
push   %rax
cmp    $0x2,%edi
jne    115f <main+0x1f>
mov    0x8(%rsi),%rdi
call   1030 <SumFile@plt>
cmp    $0xffffffff,%eax
je     1171 <main+0x31>
mov    0x2e85(%rip),%rax
mov    (%rax),%eax
pop    %rcx
ret
mov    (%rsi),%rdi
call   1040 <Usage@plt>
mov    $0x1,%edi
call   1060 <exit@plt>
lea    0xe88(%rip),%rdi
call   1050 <perror@plt>
mov    $0x1,%edi
call   1060 <exit@plt>

LLVM IR (-O0):
@.str = [24 x i8] c"Error on computing sum!\00"
@EXIT_SUCCESS = global i32 0
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, 2
br i1 %7, label %8, label %14
8: ; preds = %2
%9 = load i8**, i8*** %5
%10 = getelementptr inbounds i8*, i8** %9, i64 0
%11 = load i8*, i8** %10
%12 = call i32 @Usage(i8* %11)
%13 = call i32 @exit(i32 1)
unreachable
14: ; preds = %2
%15 = load i8**, i8*** %5
%16 = getelementptr inbounds i8*, i8** %15, i64 1
%17 = load i8*, i8** %16
%18 = call i32 @SumFile(i8* %17)
%19 = icmp eq i32 %18, -1
br i1 %19, label %20, label %23
20: ; preds = %14
%21 = call i32 @perror(i8* getelementptr inbounds ([24 x i8], [24 x i8]* @.str, i64 0, i64 0))
%22 = call i32 @exit(i32 1)
unreachable
23: ; preds = %14
%24 = load i32, i32* @EXIT_SUCCESS
ret i32 %24
}

LLVM IR (-O2):
@.str = [24 x i8] c"Error on computing sum!\00"
@EXIT_SUCCESS = global i32 0
define i32 @main(i32 %0, i8** nocapture %1) {
%3 = icmp eq i32 %0, 2
br i1 %3, label %8, label %4
4: ; preds = %2
%5 = load i8*, i8** %1
%6 = tail call i32 @Usage(i8* %5)
%7 = tail call i32 @exit(i32 1)
unreachable
8: ; preds = %2
%9 = getelementptr inbounds i8*, i8** %1, i64 1
%10 = load i8*, i8** %9
%11 = tail call i32 @SumFile(i8* %10)
%12 = icmp eq i32 %11, -1
br i1 %12, label %13, label %16
13: ; preds = %8
%14 = tail call i32 @perror(i8* getelementptr inbounds ([24 x i8], [24 x i8]* @.str, i64 0, i64 0))
%15 = tail call i32 @exit(i32 1)
unreachable
16: ; preds = %8
%17 = load i32, i32* @EXIT_SUCCESS
ret i32 %17
}