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


x86 assembly (clang, -O0):
<ex_have_arg>:
push   %rbp
mov    %rsp,%rbp
sub    $0x20,%rsp
mov    %edi,-0x8(%rbp)
mov    %rsi,-0x10(%rbp)
mov    %rdx,-0x18(%rbp)
movl   $0x0,-0x1c(%rbp)
mov    -0x1c(%rbp),%eax
cmp    -0x8(%rbp),%eax
jge    1173 <ex_have_arg+0x63>
mov    -0x10(%rbp),%rax
movslq -0x1c(%rbp),%rcx
mov    (%rax,%rcx,8),%rdi
mov    -0x18(%rbp),%rsi
call   1030 <strcmp@plt>
cmp    $0x0,%eax
jne    1160 <ex_have_arg+0x50>
movl   $0x1,-0x4(%rbp)
jmp    117a <ex_have_arg+0x6a>
jmp    1165 <ex_have_arg+0x55>
mov    -0x1c(%rbp),%eax
add    $0x1,%eax
mov    %eax,-0x1c(%rbp)
jmp    112a <ex_have_arg+0x1a>
movl   $0x0,-0x4(%rbp)
mov    -0x4(%rbp),%eax
add    $0x20,%rsp
pop    %rbp
ret

x86 assembly (clang, -O2):
<ex_have_arg>:
push   %r15
push   %r14
push   %r12
push   %rbx
push   %rax
test   %edi,%edi
jle    1149 <ex_have_arg+0x39>
mov    %rdx,%r14
mov    %rsi,%r15
mov    %edi,%r12d
xor    %ebx,%ebx
nopw   0x0(%rax,%rax,1)
mov    (%r15,%rbx,8),%rdi
mov    %r14,%rsi
call   1030 <strcmp@plt>
test   %eax,%eax
je     114d <ex_have_arg+0x3d>
add    $0x1,%rbx
cmp    %rbx,%r12
jne    1130 <ex_have_arg+0x20>
xor    %eax,%eax
jmp    1152 <ex_have_arg+0x42>
mov    $0x1,%eax
add    $0x8,%rsp
pop    %rbx
pop    %r12
pop    %r14
pop    %r15
ret

LLVM IR (-O0):
define i32 @ex_have_arg(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
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*** %6
%15 = load i32, i32* %8
%16 = sext i32 %15 to i64
%17 = getelementptr inbounds i8*, i8** %14, i64 %16
%18 = load i8*, i8** %17
%19 = load i8*, i8** %7
%20 = call i32 @strcmp(i8* %18, i8* %19)
%21 = icmp ne i32 %20, 0
br i1 %21, label %23, label %22
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 @ex_have_arg(i32 %0, i8** nocapture %1, i8* nocapture %2) {
%4 = icmp sgt i32 %0, 0
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 [ 0, %5 ], [ %15, %7 ]
%11 = getelementptr inbounds i8*, i8** %1, i64 %10
%12 = load i8*, i8** %11
%13 = tail call i32 @strcmp(i8* dereferenceable(1) %12, i8* dereferenceable(1) %2)
%14 = icmp eq i32 %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
}