#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*/ EINVAL;
scalar_t__ diminuto_core_enable();
int /*<<< orphan*/ errno;
int /*<<< orphan*/ execvp(char *, char **);
int /*<<< orphan*/ perror(char *);
int main(int argc, char **argv) {
  do {
    if (argc < 2) {
      errno = EINVAL;
      break;
    }
    if (diminuto_core_enable() < 0) {
      break;
    }
    execvp(argv[1], &(argv[1]));
    perror("execvp");
  } while (0);
  return 1;
}


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)
jge    1167 <main+0x37>
mov    0x2e81(%rip),%rax
mov    (%rax),%ecx
mov    0x2e80(%rip),%rax
mov    %ecx,(%rax)
jmp    119e <main+0x6e>
mov    $0x0,%al
call   1050 <diminuto_core_enable@plt>
cmp    $0x0,%rax
jge    117d <main+0x4d>
jmp    119e <main+0x6e>
mov    -0x10(%rbp),%rax
mov    0x8(%rax),%rdi
mov    -0x10(%rbp),%rsi
add    $0x8,%rsi
call   1040 <execvp@plt>
lea    0xe67(%rip),%rdi
call   1030 <perror@plt>
mov    $0x1,%eax
add    $0x10,%rsp
pop    %rbp
ret

x86 assembly (clang, -O2):
<main>:
push   %rbx
cmp    $0x1,%edi
jg     114a <main+0x1a>
mov    0x2e9b(%rip),%rax
mov    (%rax),%eax
mov    0x2e9a(%rip),%rcx
mov    %eax,(%rcx)
jmp    1159 <main+0x29>
mov    %rsi,%rbx
xor    %eax,%eax
call   1050 <diminuto_core_enable@plt>
test   %rax,%rax
jns    1160 <main+0x30>
mov    $0x1,%eax
pop    %rbx
ret
mov    0x8(%rbx),%rdi
add    $0x8,%rbx
mov    %rbx,%rsi
call   1040 <execvp@plt>
lea    0xe89(%rip),%rdi
call   1030 <perror@plt>
jmp    1159 <main+0x29>

LLVM IR (-O0):
@EINVAL = global i32 0
@errno = global i32 0
@.str = [7 x i8] c"execvp\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
br label %6
6: ; preds = %2
%7 = load i32, i32* %4
%8 = icmp slt i32 %7, 2
br i1 %8, label %9, label %11
9: ; preds = %6
%10 = load i32, i32* @EINVAL
store i32 %10, i32* @errno
br label %23
11: ; preds = %6
%12 = call i64 (...) @diminuto_core_enable()
%13 = icmp slt i64 %12, 0
br i1 %13, label %14, label %15
14: ; preds = %11
br label %23
15: ; preds = %11
%16 = load i8**, i8*** %5
%17 = getelementptr inbounds i8*, i8** %16, i64 1
%18 = load i8*, i8** %17
%19 = load i8**, i8*** %5
%20 = getelementptr inbounds i8*, i8** %19, i64 1
%21 = call i32 @execvp(i8* %18, i8** %20)
%22 = call i32 @perror(i8* getelementptr inbounds ([7 x i8], [7 x i8]* @.str, i64 0, i64 0))
br label %23
23: ; preds = %15, %14, %9
ret i32 1
}

LLVM IR (-O2):
@EINVAL = global i32 0
@errno = global i32 0
@.str = [7 x i8] c"execvp\00"
define i32 @main(i32 %0, i8** %1) {
%3 = icmp slt i32 %0, 2
br i1 %3, label %4, label %6
4: ; preds = %2
%5 = load i32, i32* @EINVAL
store i32 %5, i32* @errno
br label %14
6: ; preds = %2
%7 = tail call i64 (...) @diminuto_core_enable()
%8 = icmp slt i64 %7, 0
br i1 %8, label %14, label %9
9: ; preds = %6
%10 = getelementptr inbounds i8*, i8** %1, i64 1
%11 = load i8*, i8** %10
%12 = tail call i32 @execvp(i8* %11, i8** %10)
%13 = tail call i32 @perror(i8* getelementptr inbounds ([7 x i8], [7 x i8]* @.str, i64 0, i64 0))
br label %14
14: ; preds = %6, %9, %4
ret i32 1
}