#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 conv(char *a) {
  if (strcmp(a, "black") == 0)
    return 0;
  if (strcmp(a, "red") == 0)
    return 1;
  if (strcmp(a, "green") == 0)
    return 2;
  if (strcmp(a, "yellow") == 0)
    return 3;
  if (strcmp(a, "blue") == 0)
    return 4;
  if (strcmp(a, "pink") == 0)
    return 5;
  if (strcmp(a, "wblue") == 0)
    return 6;
  if (strcmp(a, "white") == 0)
    return 7;
  return -1;
}


x86 assembly (clang, -O0):
<conv>:
push   %rbp
mov    %rsp,%rbp
sub    $0x10,%rsp
mov    %rdi,-0x10(%rbp)
mov    -0x10(%rbp),%rdi
lea    0xed9(%rip),%rsi
call   1030 <strcmp@plt>
cmp    $0x0,%rax
jne    1142 <conv+0x32>
movl   $0x0,-0x4(%rbp)
jmp    1253 <conv+0x143>
mov    -0x10(%rbp),%rdi
lea    0xeb9(%rip),%rsi
call   1030 <strcmp@plt>
cmp    $0x0,%rax
jne    1168 <conv+0x58>
movl   $0x1,-0x4(%rbp)
jmp    1253 <conv+0x143>
mov    -0x10(%rbp),%rdi
lea    0xe97(%rip),%rsi
call   1030 <strcmp@plt>
cmp    $0x0,%rax
jne    118e <conv+0x7e>
movl   $0x2,-0x4(%rbp)
jmp    1253 <conv+0x143>
mov    -0x10(%rbp),%rdi
lea    0xe77(%rip),%rsi
call   1030 <strcmp@plt>
cmp    $0x0,%rax
jne    11b4 <conv+0xa4>
movl   $0x3,-0x4(%rbp)
jmp    1253 <conv+0x143>
mov    -0x10(%rbp),%rdi
lea    0xe5e(%rip),%rsi
call   1030 <strcmp@plt>
cmp    $0x0,%rax
jne    11da <conv+0xca>
movl   $0x4,-0x4(%rbp)
jmp    1253 <conv+0x143>
mov    -0x10(%rbp),%rdi
lea    0xe32(%rip),%rsi
call   1030 <strcmp@plt>
cmp    $0x0,%rax
jne    1200 <conv+0xf0>
movl   $0x5,-0x4(%rbp)
jmp    1253 <conv+0x143>
mov    -0x10(%rbp),%rdi
lea    0xe11(%rip),%rsi
call   1030 <strcmp@plt>
cmp    $0x0,%rax
jne    1226 <conv+0x116>
movl   $0x6,-0x4(%rbp)
jmp    1253 <conv+0x143>
mov    -0x10(%rbp),%rdi
lea    0xdf1(%rip),%rsi
call   1030 <strcmp@plt>
cmp    $0x0,%rax
jne    124c <conv+0x13c>
movl   $0x7,-0x4(%rbp)
jmp    1253 <conv+0x143>
movl   $0xffffffff,-0x4(%rbp)
mov    -0x4(%rbp),%eax
add    $0x10,%rsp
pop    %rbp
ret

x86 assembly (clang, -O2):
<conv>:
push   %rbx
mov    %rdi,%rbx
lea    0xee5(%rip),%rsi
call   1030 <strcmp@plt>
test   %rax,%rax
je     11be <conv+0xae>
lea    0xed6(%rip),%rsi
mov    %rbx,%rdi
call   1030 <strcmp@plt>
test   %rax,%rax
je     11c2 <conv+0xb2>
lea    0xec2(%rip),%rsi
mov    %rbx,%rdi
call   1030 <strcmp@plt>
test   %rax,%rax
je     11c9 <conv+0xb9>
lea    0xeb4(%rip),%rsi
mov    %rbx,%rdi
call   1030 <strcmp@plt>
test   %rax,%rax
je     11d0 <conv+0xc0>
lea    0xead(%rip),%rsi
mov    %rbx,%rdi
call   1030 <strcmp@plt>
test   %rax,%rax
je     11d7 <conv+0xc7>
lea    0xe93(%rip),%rsi
mov    %rbx,%rdi
call   1030 <strcmp@plt>
test   %rax,%rax
je     11de <conv+0xce>
lea    0xe84(%rip),%rsi
mov    %rbx,%rdi
call   1030 <strcmp@plt>
test   %rax,%rax
je     11e5 <conv+0xd5>
lea    0xe76(%rip),%rsi
mov    %rbx,%rdi
call   1030 <strcmp@plt>
neg    %rax
sbb    %eax,%eax
or     $0x7,%eax
pop    %rbx
ret
xor    %eax,%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 = [6 x i8] c"black\00"
@.str.1 = [4 x i8] c"red\00"
@.str.2 = [6 x i8] c"green\00"
@.str.3 = [7 x i8] c"yellow\00"
@.str.4 = [5 x i8] c"blue\00"
@.str.5 = [5 x i8] c"pink\00"
@.str.6 = [6 x i8] c"wblue\00"
@.str.7 = [6 x i8] c"white\00"
define i32 @conv(i8* %0) {
%2 = alloca i32
%3 = alloca i8*
store i8* %0, i8** %3
%4 = load i8*, i8** %3
%5 = call i64 @strcmp(i8* %4, i8* getelementptr inbounds ([6 x i8], [6 x i8]* @.str, i64 0, i64 0))
%6 = icmp eq i64 %5, 0
br i1 %6, label %7, label %8
7: ; preds = %1
store i32 0, i32* %2
br label %44
8: ; preds = %1
%9 = load i8*, i8** %3
%10 = call i64 @strcmp(i8* %9, i8* getelementptr inbounds ([4 x i8], [4 x i8]* @.str.1, i64 0, i64 0))
%11 = icmp eq i64 %10, 0
br i1 %11, label %12, label %13
12: ; preds = %8
store i32 1, i32* %2
br label %44
13: ; preds = %8
%14 = load i8*, i8** %3
%15 = call i64 @strcmp(i8* %14, i8* getelementptr inbounds ([6 x i8], [6 x i8]* @.str.2, i64 0, i64 0))
%16 = icmp eq i64 %15, 0
br i1 %16, label %17, label %18
17: ; preds = %13
store i32 2, i32* %2
br label %44
18: ; preds = %13
%19 = load i8*, i8** %3
%20 = call i64 @strcmp(i8* %19, i8* getelementptr inbounds ([7 x i8], [7 x i8]* @.str.3, i64 0, i64 0))
%21 = icmp eq i64 %20, 0
br i1 %21, label %22, label %23
22: ; preds = %18
store i32 3, i32* %2
br label %44
23: ; preds = %18
%24 = load i8*, i8** %3
%25 = call i64 @strcmp(i8* %24, i8* getelementptr inbounds ([5 x i8], [5 x i8]* @.str.4, i64 0, i64 0))
%26 = icmp eq i64 %25, 0
br i1 %26, label %27, label %28
27: ; preds = %23
store i32 4, i32* %2
br label %44
28: ; preds = %23
%29 = load i8*, i8** %3
%30 = call i64 @strcmp(i8* %29, i8* getelementptr inbounds ([5 x i8], [5 x i8]* @.str.5, i64 0, i64 0))
%31 = icmp eq i64 %30, 0
br i1 %31, label %32, label %33
32: ; preds = %28
store i32 5, i32* %2
br label %44
33: ; preds = %28
%34 = load i8*, i8** %3
%35 = call i64 @strcmp(i8* %34, i8* getelementptr inbounds ([6 x i8], [6 x i8]* @.str.6, i64 0, i64 0))
%36 = icmp eq i64 %35, 0
br i1 %36, label %37, label %38
37: ; preds = %33
store i32 6, i32* %2
br label %44
38: ; preds = %33
%39 = load i8*, i8** %3
%40 = call i64 @strcmp(i8* %39, i8* getelementptr inbounds ([6 x i8], [6 x i8]* @.str.7, i64 0, i64 0))
%41 = icmp eq i64 %40, 0
br i1 %41, label %42, label %43
42: ; preds = %38
store i32 7, i32* %2
br label %44
43: ; preds = %38
store i32 -1, i32* %2
br label %44
44: ; preds = %43, %42, %37, %32, %27, %22, %17, %12, %7
%45 = load i32, i32* %2
ret i32 %45
}

LLVM IR (-O2):
@.str = [6 x i8] c"black\00"
@.str.1 = [4 x i8] c"red\00"
@.str.2 = [6 x i8] c"green\00"
@.str.3 = [7 x i8] c"yellow\00"
@.str.4 = [5 x i8] c"blue\00"
@.str.5 = [5 x i8] c"pink\00"
@.str.6 = [6 x i8] c"wblue\00"
@.str.7 = [6 x i8] c"white\00"
define i32 @conv(i8* %0) {
%2 = tail call i64 @strcmp(i8* %0, i8* getelementptr inbounds ([6 x i8], [6 x i8]* @.str, i64 0, i64 0))
%3 = icmp eq i64 %2, 0
br i1 %3, label %26, label %4
4: ; preds = %1
%5 = tail call i64 @strcmp(i8* %0, i8* getelementptr inbounds ([4 x i8], [4 x i8]* @.str.1, i64 0, i64 0))
%6 = icmp eq i64 %5, 0
br i1 %6, label %26, label %7
7: ; preds = %4
%8 = tail call i64 @strcmp(i8* %0, i8* getelementptr inbounds ([6 x i8], [6 x i8]* @.str.2, i64 0, i64 0))
%9 = icmp eq i64 %8, 0
br i1 %9, label %26, label %10
10: ; preds = %7
%11 = tail call i64 @strcmp(i8* %0, i8* getelementptr inbounds ([7 x i8], [7 x i8]* @.str.3, i64 0, i64 0))
%12 = icmp eq i64 %11, 0
br i1 %12, label %26, label %13
13: ; preds = %10
%14 = tail call i64 @strcmp(i8* %0, i8* getelementptr inbounds ([5 x i8], [5 x i8]* @.str.4, i64 0, i64 0))
%15 = icmp eq i64 %14, 0
br i1 %15, label %26, label %16
16: ; preds = %13
%17 = tail call i64 @strcmp(i8* %0, i8* getelementptr inbounds ([5 x i8], [5 x i8]* @.str.5, i64 0, i64 0))
%18 = icmp eq i64 %17, 0
br i1 %18, label %26, label %19
19: ; preds = %16
%20 = tail call i64 @strcmp(i8* %0, i8* getelementptr inbounds ([6 x i8], [6 x i8]* @.str.6, i64 0, i64 0))
%21 = icmp eq i64 %20, 0
br i1 %21, label %26, label %22
22: ; preds = %19
%23 = tail call i64 @strcmp(i8* %0, i8* getelementptr inbounds ([6 x i8], [6 x i8]* @.str.7, i64 0, i64 0))
%24 = icmp eq i64 %23, 0
%25 = select i1 %24, i32 7, i32 -1
br label %26
26: ; preds = %22, %19, %16, %13, %10, %7, %4, %1
%27 = phi i32 [ 0, %1 ], [ 1, %4 ], [ 2, %7 ], [ 3, %10 ], [ 4, %13 ], [ 5, %16 ], [ 6, %19 ], [ %25, %22 ]
ret i32 %27
}