#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 *const, char const *);
extern int luaL_findstring(const char *name, const char *const list[]) {
  int i;
  for (i = 0; list[i]; i++)
    if (strcmp(list[i], name) == 0)
      return i;
  return -1;
}


x86 assembly (clang, -O0):
<luaL_findstring>:
push   %rbp
mov    %rsp,%rbp
sub    $0x20,%rsp
mov    %rdi,-0x10(%rbp)
mov    %rsi,-0x18(%rbp)
movl   $0x0,-0x1c(%rbp)
mov    -0x18(%rbp),%rax
movslq -0x1c(%rbp),%rcx
cmpq   $0x0,(%rax,%rcx,8)
je     1177 <luaL_findstring+0x67>
mov    -0x18(%rbp),%rax
movslq -0x1c(%rbp),%rcx
mov    (%rax,%rcx,8),%rdi
mov    -0x10(%rbp),%rsi
call   1030 <strcmp@plt>
cmp    $0x0,%rax
jne    1164 <luaL_findstring+0x54>
mov    -0x1c(%rbp),%eax
mov    %eax,-0x4(%rbp)
jmp    117e <luaL_findstring+0x6e>
jmp    1169 <luaL_findstring+0x59>
mov    -0x1c(%rbp),%eax
add    $0x1,%eax
mov    %eax,-0x1c(%rbp)
jmp    1127 <luaL_findstring+0x17>
movl   $0xffffffff,-0x4(%rbp)
mov    -0x4(%rbp),%eax
add    $0x20,%rsp
pop    %rbp
ret

x86 assembly (clang, -O2):
<luaL_findstring>:
push   %rbp
push   %r15
push   %r14
push   %rbx
push   %rax
mov    %rdi,%r15
mov    (%rsi),%rdi
mov    $0xffffffff,%r14d
test   %rdi,%rdi
je     1150 <luaL_findstring+0x40>
mov    %rsi,%rbx
xor    %ebp,%ebp
nopl   (%rax)
mov    %r15,%rsi
call   1030 <strcmp@plt>
test   %rax,%rax
je     114d <luaL_findstring+0x3d>
mov    0x8(%rbx,%rbp,8),%rdi
add    $0x1,%rbp
test   %rdi,%rdi
jne    1130 <luaL_findstring+0x20>
jmp    1150 <luaL_findstring+0x40>
mov    %ebp,%r14d
mov    %r14d,%eax
add    $0x8,%rsp
pop    %rbx
pop    %r14
pop    %r15
pop    %rbp
ret

LLVM IR (-O0):
define i32 @luaL_findstring(i8* %0, i8** %1) {
%3 = alloca i32
%4 = alloca i8*
%5 = alloca i8**
%6 = alloca i32
store i8* %0, i8** %4
store i8** %1, i8*** %5
store i32 0, i32* %6
br label %7
7: ; preds = %26, %2
%8 = load i8**, i8*** %5
%9 = load i32, i32* %6
%10 = sext i32 %9 to i64
%11 = getelementptr inbounds i8*, i8** %8, i64 %10
%12 = load i8*, i8** %11
%13 = icmp ne i8* %12, null
br i1 %13, label %14, label %29
14: ; preds = %7
%15 = load i8**, i8*** %5
%16 = load i32, i32* %6
%17 = sext i32 %16 to i64
%18 = getelementptr inbounds i8*, i8** %15, i64 %17
%19 = load i8*, i8** %18
%20 = load i8*, i8** %4
%21 = call i64 @strcmp(i8* %19, i8* %20)
%22 = icmp eq i64 %21, 0
br i1 %22, label %23, label %25
23: ; preds = %14
%24 = load i32, i32* %6
store i32 %24, i32* %3
br label %30
25: ; preds = %14
br label %26
26: ; preds = %25
%27 = load i32, i32* %6
%28 = add nsw i32 %27, 1
store i32 %28, i32* %6
br label %7
29: ; preds = %7
store i32 -1, i32* %3
br label %30
30: ; preds = %29, %23
%31 = load i32, i32* %3
ret i32 %31
}

LLVM IR (-O2):
define i32 @luaL_findstring(i8* %0, i8** nocapture %1) {
%3 = load i8*, i8** %1
%4 = icmp eq i8* %3, null
br i1 %4, label %17, label %5
5: ; preds = %2, %10
%6 = phi i64 [ %11, %10 ], [ 0, %2 ]
%7 = phi i8* [ %13, %10 ], [ %3, %2 ]
%8 = tail call i64 @strcmp(i8* %7, i8* %0)
%9 = icmp eq i64 %8, 0
br i1 %9, label %15, label %10
10: ; preds = %5
%11 = add nuw i64 %6, 1
%12 = getelementptr inbounds i8*, i8** %1, i64 %11
%13 = load i8*, i8** %12
%14 = icmp eq i8* %13, null
br i1 %14, label %17, label %5
15: ; preds = %5
%16 = trunc i64 %6 to i32
br label %17
17: ; preds = %10, %15, %2
%18 = phi i32 [ -1, %2 ], [ %16, %15 ], [ -1, %10 ]
ret i32 %18
}