#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 */
scalar_t__ strcmp(char const *, char *);
int arg_get_bool(int argc, char *argv[], const char *key) {
  int i = 0;
  for (i = 1; i < argc; i++) {
    if (strcmp(key, argv[i]) == 0) {
      return 1;
    }
  }
  return 0;
}


x86 assembly (clang, -O0):
<arg_get_bool>:
push   %rbp
mov    %rsp,%rbp
sub    $0x20,%rsp
mov    %edi,-0x8(%rbp)
mov    %rsi,-0x10(%rbp)
mov    %rdx,-0x18(%rbp)
movl   $0x0,-0x1c(%rbp)
movl   $0x1,-0x1c(%rbp)
mov    -0x1c(%rbp),%eax
cmp    -0x8(%rbp),%eax
jge    117b <arg_get_bool+0x6b>
mov    -0x18(%rbp),%rdi
mov    -0x10(%rbp),%rax
movslq -0x1c(%rbp),%rcx
mov    (%rax,%rcx,8),%rsi
call   1030 <strcmp@plt>
cmp    $0x0,%rax
jne    1168 <arg_get_bool+0x58>
movl   $0x1,-0x4(%rbp)
jmp    1182 <arg_get_bool+0x72>
jmp    116d <arg_get_bool+0x5d>
mov    -0x1c(%rbp),%eax
add    $0x1,%eax
mov    %eax,-0x1c(%rbp)
jmp    1131 <arg_get_bool+0x21>
movl   $0x0,-0x4(%rbp)
mov    -0x4(%rbp),%eax
add    $0x20,%rsp
pop    %rbp
ret

x86 assembly (clang, -O2):
<arg_get_bool>:
push   %rbp
push   %r15
push   %r14
push   %r12
push   %rbx
xor    %r14d,%r14d
cmp    $0x2,%edi
jl     1152 <arg_get_bool+0x42>
mov    %rdx,%r15
mov    %rsi,%r12
mov    %edi,%ebx
mov    $0x1,%ebp
nopl   (%rax)
mov    (%r12,%rbp,8),%rsi
mov    %r15,%rdi
call   1030 <strcmp@plt>
test   %rax,%rax
je     114c <arg_get_bool+0x3c>
add    $0x1,%rbp
cmp    %rbp,%rbx
jne    1130 <arg_get_bool+0x20>
jmp    1152 <arg_get_bool+0x42>
mov    $0x1,%r14d
mov    %r14d,%eax
pop    %rbx
pop    %r12
pop    %r14
pop    %r15
pop    %rbp
ret

LLVM IR (-O0):
define i32 @arg_get_bool(i32 %0, i8** %1, i8* %2) {
%4 = alloca i32
%5 = alloca i32
%6 = alloca i8**
%7 = alloca i8*
%8 = alloca i32
store i32 %0, i32* %5
store i8** %1, i8*** %6
store i8* %2, i8** %7
store i32 0, i32* %8
store i32 1, i32* %8
br label %9
9: ; preds = %24, %3
%10 = load i32, i32* %8
%11 = load i32, i32* %5
%12 = icmp slt i32 %10, %11
br i1 %12, label %13, label %27
13: ; preds = %9
%14 = load i8*, i8** %7
%15 = load i8**, i8*** %6
%16 = load i32, i32* %8
%17 = sext i32 %16 to i64
%18 = getelementptr inbounds i8*, i8** %15, i64 %17
%19 = load i8*, i8** %18
%20 = call i64 @strcmp(i8* %14, i8* %19)
%21 = icmp eq i64 %20, 0
br i1 %21, label %22, label %23
22: ; preds = %13
store i32 1, i32* %4
br label %28
23: ; preds = %13
br label %24
24: ; preds = %23
%25 = load i32, i32* %8
%26 = add nsw i32 %25, 1
store i32 %26, i32* %8
br label %9
27: ; preds = %9
store i32 0, i32* %4
br label %28
28: ; preds = %27, %22
%29 = load i32, i32* %4
ret i32 %29
}

LLVM IR (-O2):
define i32 @arg_get_bool(i32 %0, i8** nocapture %1, i8* %2) {
%4 = icmp sgt i32 %0, 1
br i1 %4, label %5, label %16
5: ; preds = %3
%6 = zext i32 %0 to i64
br label %9
7: ; preds = %9
%8 = icmp eq i64 %15, %6
br i1 %8, label %16, label %9
9: ; preds = %5, %7
%10 = phi i64 [ 1, %5 ], [ %15, %7 ]
%11 = getelementptr inbounds i8*, i8** %1, i64 %10
%12 = load i8*, i8** %11
%13 = tail call i64 @strcmp(i8* %2, i8* %12)
%14 = icmp eq i64 %13, 0
%15 = add nuw nsw i64 %10, 1
br i1 %14, label %16, label %7
16: ; preds = %9, %7, %3
%17 = phi i32 [ 0, %3 ], [ 0, %7 ], [ 1, %9 ]
ret i32 %17
}