#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*/ strcasecmp(char *, char *);
int colog_http_method(char *mptr) {
  if (!(strcasecmp(mptr, "GET")))
    return (1);
  else if (!(strcasecmp(mptr, "PUT")))
    return (2);
  else if (!(strcasecmp(mptr, "POST")))
    return (3);
  else if (!(strcasecmp(mptr, "DELETE")))
    return (4);
  else if (!(strcasecmp(mptr, "HEAD")))
    return (5);
  else if (!(strcasecmp(mptr, "HTTP/1.1")))
    return (6);
  else if (!(strcasecmp(mptr, "HTTP/1.0")))
    return (6);
  else
    return (0);
}


x86 assembly (clang, -O0):
<colog_http_method>:
push   %rbp
mov    %rsp,%rbp
sub    $0x10,%rsp
mov    %rdi,-0x10(%rbp)
mov    -0x10(%rbp),%rdi
lea    0xed9(%rip),%rsi
call   1030 <strcasecmp@plt>
cmp    $0x0,%eax
jne    1141 <colog_http_method+0x31>
movl   $0x1,-0x4(%rbp)
jmp    1226 <colog_http_method+0x116>
mov    -0x10(%rbp),%rdi
lea    0xeb8(%rip),%rsi
call   1030 <strcasecmp@plt>
cmp    $0x0,%eax
jne    1166 <colog_http_method+0x56>
movl   $0x2,-0x4(%rbp)
jmp    1226 <colog_http_method+0x116>
mov    -0x10(%rbp),%rdi
lea    0xe97(%rip),%rsi
call   1030 <strcasecmp@plt>
cmp    $0x0,%eax
jne    118b <colog_http_method+0x7b>
movl   $0x3,-0x4(%rbp)
jmp    1226 <colog_http_method+0x116>
mov    -0x10(%rbp),%rdi
lea    0xe77(%rip),%rsi
call   1030 <strcasecmp@plt>
cmp    $0x0,%eax
jne    11b0 <colog_http_method+0xa0>
movl   $0x4,-0x4(%rbp)
jmp    1226 <colog_http_method+0x116>
mov    -0x10(%rbp),%rdi
lea    0xe59(%rip),%rsi
call   1030 <strcasecmp@plt>
cmp    $0x0,%eax
jne    11d5 <colog_http_method+0xc5>
movl   $0x5,-0x4(%rbp)
jmp    1226 <colog_http_method+0x116>
mov    -0x10(%rbp),%rdi
lea    0xe39(%rip),%rsi
call   1030 <strcasecmp@plt>
cmp    $0x0,%eax
jne    11fa <colog_http_method+0xea>
movl   $0x6,-0x4(%rbp)
jmp    1226 <colog_http_method+0x116>
mov    -0x10(%rbp),%rdi
lea    0xe1d(%rip),%rsi
call   1030 <strcasecmp@plt>
cmp    $0x0,%eax
jne    121f <colog_http_method+0x10f>
movl   $0x6,-0x4(%rbp)
jmp    1226 <colog_http_method+0x116>
movl   $0x0,-0x4(%rbp)
mov    -0x4(%rbp),%eax
add    $0x10,%rsp
pop    %rbp
ret

x86 assembly (clang, -O2):
<colog_http_method>:
push   %rbx
mov    %rdi,%rbx
lea    0xee5(%rip),%rsi
call   1030 <strcasecmp@plt>
test   %eax,%eax
je     11a0 <colog_http_method+0x90>
lea    0xed9(%rip),%rsi
mov    %rbx,%rdi
call   1030 <strcasecmp@plt>
test   %eax,%eax
je     11a7 <colog_http_method+0x97>
lea    0xeca(%rip),%rsi
mov    %rbx,%rdi
call   1030 <strcasecmp@plt>
test   %eax,%eax
je     11ae <colog_http_method+0x9e>
lea    0xebc(%rip),%rsi
mov    %rbx,%rdi
call   1030 <strcasecmp@plt>
test   %eax,%eax
je     11b5 <colog_http_method+0xa5>
lea    0xeb0(%rip),%rsi
mov    %rbx,%rdi
call   1030 <strcasecmp@plt>
test   %eax,%eax
je     11bc <colog_http_method+0xac>
lea    0xea2(%rip),%rsi
mov    %rbx,%rdi
call   1030 <strcasecmp@plt>
test   %eax,%eax
je     11c3 <colog_http_method+0xb3>
lea    0xe98(%rip),%rsi
mov    %rbx,%rdi
call   1030 <strcasecmp@plt>
xor    %ecx,%ecx
test   %eax,%eax
mov    $0x6,%eax
cmovne %ecx,%eax
pop    %rbx
ret
mov    $0x1,%eax
pop    %rbx
ret
mov    $0x2,%eax
pop    %rbx
ret
mov    $0x3,%eax
pop    %rbx
ret
mov    $0x4,%eax
pop    %rbx
ret
mov    $0x5,%eax
pop    %rbx
ret
mov    $0x6,%eax
pop    %rbx
ret

LLVM IR (-O0):
@.str = [4 x i8] c"GET\00"
@.str.1 = [4 x i8] c"PUT\00"
@.str.2 = [5 x i8] c"POST\00"
@.str.3 = [7 x i8] c"DELETE\00"
@.str.4 = [5 x i8] c"HEAD\00"
@.str.5 = [9 x i8] c"HTTP/1.1\00"
@.str.6 = [9 x i8] c"HTTP/1.0\00"
define i32 @colog_http_method(i8* %0) {
%2 = alloca i32
%3 = alloca i8*
store i8* %0, i8** %3
%4 = load i8*, i8** %3
%5 = call i32 @strcasecmp(i8* %4, i8* getelementptr inbounds ([4 x i8], [4 x i8]* @.str, i64 0, i64 0))
%6 = icmp ne i32 %5, 0
br i1 %6, label %8, label %7
7: ; preds = %1
store i32 1, i32* %2
br label %39
8: ; preds = %1
%9 = load i8*, i8** %3
%10 = call i32 @strcasecmp(i8* %9, i8* getelementptr inbounds ([4 x i8], [4 x i8]* @.str.1, i64 0, i64 0))
%11 = icmp ne i32 %10, 0
br i1 %11, label %13, label %12
12: ; preds = %8
store i32 2, i32* %2
br label %39
13: ; preds = %8
%14 = load i8*, i8** %3
%15 = call i32 @strcasecmp(i8* %14, i8* getelementptr inbounds ([5 x i8], [5 x i8]* @.str.2, i64 0, i64 0))
%16 = icmp ne i32 %15, 0
br i1 %16, label %18, label %17
17: ; preds = %13
store i32 3, i32* %2
br label %39
18: ; preds = %13
%19 = load i8*, i8** %3
%20 = call i32 @strcasecmp(i8* %19, i8* getelementptr inbounds ([7 x i8], [7 x i8]* @.str.3, i64 0, i64 0))
%21 = icmp ne i32 %20, 0
br i1 %21, label %23, label %22
22: ; preds = %18
store i32 4, i32* %2
br label %39
23: ; preds = %18
%24 = load i8*, i8** %3
%25 = call i32 @strcasecmp(i8* %24, i8* getelementptr inbounds ([5 x i8], [5 x i8]* @.str.4, i64 0, i64 0))
%26 = icmp ne i32 %25, 0
br i1 %26, label %28, label %27
27: ; preds = %23
store i32 5, i32* %2
br label %39
28: ; preds = %23
%29 = load i8*, i8** %3
%30 = call i32 @strcasecmp(i8* %29, i8* getelementptr inbounds ([9 x i8], [9 x i8]* @.str.5, i64 0, i64 0))
%31 = icmp ne i32 %30, 0
br i1 %31, label %33, label %32
32: ; preds = %28
store i32 6, i32* %2
br label %39
33: ; preds = %28
%34 = load i8*, i8** %3
%35 = call i32 @strcasecmp(i8* %34, i8* getelementptr inbounds ([9 x i8], [9 x i8]* @.str.6, i64 0, i64 0))
%36 = icmp ne i32 %35, 0
br i1 %36, label %38, label %37
37: ; preds = %33
store i32 6, i32* %2
br label %39
38: ; preds = %33
store i32 0, i32* %2
br label %39
39: ; preds = %38, %37, %32, %27, %22, %17, %12, %7
%40 = load i32, i32* %2
ret i32 %40
}

LLVM IR (-O2):
@.str = [4 x i8] c"GET\00"
@.str.1 = [4 x i8] c"PUT\00"
@.str.2 = [5 x i8] c"POST\00"
@.str.3 = [7 x i8] c"DELETE\00"
@.str.4 = [5 x i8] c"HEAD\00"
@.str.5 = [9 x i8] c"HTTP/1.1\00"
@.str.6 = [9 x i8] c"HTTP/1.0\00"
define i32 @colog_http_method(i8* nocapture %0) {
%2 = tail call i32 @strcasecmp(i8* %0, i8* getelementptr inbounds ([4 x i8], [4 x i8]* @.str, i64 0, i64 0))
%3 = icmp eq i32 %2, 0
br i1 %3, label %23, label %4
4: ; preds = %1
%5 = tail call i32 @strcasecmp(i8* %0, i8* getelementptr inbounds ([4 x i8], [4 x i8]* @.str.1, i64 0, i64 0))
%6 = icmp eq i32 %5, 0
br i1 %6, label %23, label %7
7: ; preds = %4
%8 = tail call i32 @strcasecmp(i8* %0, i8* getelementptr inbounds ([5 x i8], [5 x i8]* @.str.2, i64 0, i64 0))
%9 = icmp eq i32 %8, 0
br i1 %9, label %23, label %10
10: ; preds = %7
%11 = tail call i32 @strcasecmp(i8* %0, i8* getelementptr inbounds ([7 x i8], [7 x i8]* @.str.3, i64 0, i64 0))
%12 = icmp eq i32 %11, 0
br i1 %12, label %23, label %13
13: ; preds = %10
%14 = tail call i32 @strcasecmp(i8* %0, i8* getelementptr inbounds ([5 x i8], [5 x i8]* @.str.4, i64 0, i64 0))
%15 = icmp eq i32 %14, 0
br i1 %15, label %23, label %16
16: ; preds = %13
%17 = tail call i32 @strcasecmp(i8* %0, i8* getelementptr inbounds ([9 x i8], [9 x i8]* @.str.5, i64 0, i64 0))
%18 = icmp eq i32 %17, 0
br i1 %18, label %23, label %19
19: ; preds = %16
%20 = tail call i32 @strcasecmp(i8* %0, i8* getelementptr inbounds ([9 x i8], [9 x i8]* @.str.6, i64 0, i64 0))
%21 = icmp eq i32 %20, 0
%22 = select i1 %21, i32 6, i32 0
br label %23
23: ; preds = %19, %16, %13, %10, %7, %4, %1
%24 = phi i32 [ 1, %1 ], [ 2, %4 ], [ 3, %7 ], [ 4, %10 ], [ 5, %13 ], [ 6, %16 ], [ %22, %19 ]
ret i32 %24
}