#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 *, char *);
int gethttpmethod(char *pszmethod) {
  int type = 0;
  if (0 == strcmp(pszmethod, "GET")) {
    type = 0;
  } else if (0 == strcmp(pszmethod, "POST")) {
    type = 1;
  } else if (0 == strcmp(pszmethod, "HEAD")) {
    type = 2;
  } else {
    type = 0xFFFFFFFF;
  }
  return type;
}


x86 assembly (clang, -O0):
<gethttpmethod>:
push   %rbp
mov    %rsp,%rbp
sub    $0x10,%rsp
mov    %rdi,-0x8(%rbp)
movl   $0x0,-0xc(%rbp)
mov    -0x8(%rbp),%rdi
lea    0xed2(%rip),%rsi
call   1030 <strcmp@plt>
mov    %rax,%rcx
xor    %eax,%eax
cmp    %rcx,%rax
jne    114d <gethttpmethod+0x3d>
movl   $0x0,-0xc(%rbp)
jmp    11b2 <gethttpmethod+0xa2>
mov    -0x8(%rbp),%rdi
lea    0xeac(%rip),%rsi
call   1030 <strcmp@plt>
mov    %rax,%rcx
xor    %eax,%eax
cmp    %rcx,%rax
jne    1177 <gethttpmethod+0x67>
movl   $0x1,-0xc(%rbp)
jmp    11ad <gethttpmethod+0x9d>
mov    -0x8(%rbp),%rdi
lea    0xe87(%rip),%rsi
call   1030 <strcmp@plt>
mov    %rax,%rcx
xor    %eax,%eax
cmp    %rcx,%rax
jne    11a1 <gethttpmethod+0x91>
movl   $0x2,-0xc(%rbp)
jmp    11a8 <gethttpmethod+0x98>
movl   $0xffffffff,-0xc(%rbp)
jmp    11ad <gethttpmethod+0x9d>
jmp    11b2 <gethttpmethod+0xa2>
mov    -0xc(%rbp),%eax
add    $0x10,%rsp
pop    %rbp
ret

x86 assembly (clang, -O2):
<gethttpmethod>:
push   %rbx
mov    %rdi,%rbx
lea    0xee5(%rip),%rsi
call   1030 <strcmp@plt>
test   %rax,%rax
je     1152 <gethttpmethod+0x42>
lea    0xed8(%rip),%rsi
mov    %rbx,%rdi
call   1030 <strcmp@plt>
test   %rax,%rax
je     1156 <gethttpmethod+0x46>
lea    0xec9(%rip),%rsi
mov    %rbx,%rdi
call   1030 <strcmp@plt>
neg    %rax
sbb    %eax,%eax
or     $0x2,%eax
pop    %rbx
ret
xor    %eax,%eax
pop    %rbx
ret
mov    $0x1,%eax
pop    %rbx
ret

LLVM IR (-O0):
@.str = [4 x i8] c"GET\00"
@.str.1 = [5 x i8] c"POST\00"
@.str.2 = [5 x i8] c"HEAD\00"
define i32 @gethttpmethod(i8* %0) {
%2 = alloca i8*
%3 = alloca i32
store i8* %0, i8** %2
store i32 0, i32* %3
%4 = load i8*, i8** %2
%5 = call i64 @strcmp(i8* %4, i8* getelementptr inbounds ([4 x i8], [4 x i8]* @.str, i64 0, i64 0))
%6 = icmp eq i64 0, %5
br i1 %6, label %7, label %8
7: ; preds = %1
store i32 0, i32* %3
br label %21
8: ; preds = %1
%9 = load i8*, i8** %2
%10 = call i64 @strcmp(i8* %9, i8* getelementptr inbounds ([5 x i8], [5 x i8]* @.str.1, i64 0, i64 0))
%11 = icmp eq i64 0, %10
br i1 %11, label %12, label %13
12: ; preds = %8
store i32 1, i32* %3
br label %20
13: ; preds = %8
%14 = load i8*, i8** %2
%15 = call i64 @strcmp(i8* %14, i8* getelementptr inbounds ([5 x i8], [5 x i8]* @.str.2, i64 0, i64 0))
%16 = icmp eq i64 0, %15
br i1 %16, label %17, label %18
17: ; preds = %13
store i32 2, i32* %3
br label %19
18: ; preds = %13
store i32 -1, i32* %3
br label %19
19: ; preds = %18, %17
br label %20
20: ; preds = %19, %12
br label %21
21: ; preds = %20, %7
%22 = load i32, i32* %3
ret i32 %22
}

LLVM IR (-O2):
@.str = [4 x i8] c"GET\00"
@.str.1 = [5 x i8] c"POST\00"
@.str.2 = [5 x i8] c"HEAD\00"
define i32 @gethttpmethod(i8* %0) {
%2 = tail call i64 @strcmp(i8* %0, i8* getelementptr inbounds ([4 x i8], [4 x i8]* @.str, i64 0, i64 0))
%3 = icmp eq i64 %2, 0
br i1 %3, label %11, label %4
4: ; preds = %1
%5 = tail call i64 @strcmp(i8* %0, i8* getelementptr inbounds ([5 x i8], [5 x i8]* @.str.1, i64 0, i64 0))
%6 = icmp eq i64 %5, 0
br i1 %6, label %11, label %7
7: ; preds = %4
%8 = tail call i64 @strcmp(i8* %0, i8* getelementptr inbounds ([5 x i8], [5 x i8]* @.str.2, i64 0, i64 0))
%9 = icmp eq i64 %8, 0
%10 = select i1 %9, i32 2, i32 -1
br label %11
11: ; preds = %7, %4, %1
%12 = phi i32 [ 0, %1 ], [ 1, %4 ], [ %10, %7 ]
ret i32 %12
}