#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 ProcessCommand(char *, char *);
int /*<<< orphan*/ strcmp(char const *, char *);
int ExecPowerCommand(char ret[], const char *arg) {
  if (!strcmp(arg, "on"))
    return (ProcessCommand(ret, "C00\r"));
  if (!strcmp(arg, "off"))
    return (ProcessCommand(ret, "C01\r"));
  if (!strcmp(arg, "ask"))
    return (ProcessCommand(ret, "C02\r"));
  return (2);
}


x86 assembly (clang, -O0):
<ExecPowerCommand>:
push   %rbp
mov    %rsp,%rbp
sub    $0x20,%rsp
mov    %rdi,-0x10(%rbp)
mov    %rsi,-0x18(%rbp)
mov    -0x18(%rbp),%rdi
lea    0xec5(%rip),%rsi
call   1040 <strcmp@plt>
cmp    $0x0,%eax
jne    1161 <ExecPowerCommand+0x41>
mov    -0x10(%rbp),%rdi
lea    0xeaf(%rip),%rsi
call   1030 <ProcessCommand@plt>
mov    %eax,-0x4(%rbp)
jmp    11ca <ExecPowerCommand+0xaa>
mov    -0x18(%rbp),%rdi
lea    0xe9c(%rip),%rsi
call   1040 <strcmp@plt>
cmp    $0x0,%eax
jne    1192 <ExecPowerCommand+0x72>
mov    -0x10(%rbp),%rdi
lea    0xe87(%rip),%rsi
call   1030 <ProcessCommand@plt>
mov    %eax,-0x4(%rbp)
jmp    11ca <ExecPowerCommand+0xaa>
mov    -0x18(%rbp),%rdi
lea    0xe74(%rip),%rsi
call   1040 <strcmp@plt>
cmp    $0x0,%eax
jne    11c3 <ExecPowerCommand+0xa3>
mov    -0x10(%rbp),%rdi
lea    0xe5f(%rip),%rsi
call   1030 <ProcessCommand@plt>
mov    %eax,-0x4(%rbp)
jmp    11ca <ExecPowerCommand+0xaa>
movl   $0x2,-0x4(%rbp)
mov    -0x4(%rbp),%eax
add    $0x20,%rsp
pop    %rbp
ret

x86 assembly (clang, -O2):
<ExecPowerCommand>:
push   %r14
push   %rbx
push   %rax
mov    %rsi,%rbx
mov    %rdi,%r14
lea    0xecf(%rip),%rsi
mov    %rbx,%rdi
call   1040 <strcmp@plt>
test   %eax,%eax
je     1170 <ExecPowerCommand+0x50>
lea    0xec4(%rip),%rsi
mov    %rbx,%rdi
call   1040 <strcmp@plt>
test   %eax,%eax
je     1179 <ExecPowerCommand+0x59>
lea    0xeba(%rip),%rsi
mov    %rbx,%rdi
call   1040 <strcmp@plt>
test   %eax,%eax
je     1182 <ExecPowerCommand+0x62>
mov    $0x2,%eax
add    $0x8,%rsp
pop    %rbx
pop    %r14
ret
lea    0xe8c(%rip),%rsi
jmp    1189 <ExecPowerCommand+0x69>
lea    0xe8c(%rip),%rsi
jmp    1189 <ExecPowerCommand+0x69>
lea    0xe8c(%rip),%rsi
mov    %r14,%rdi
add    $0x8,%rsp
pop    %rbx
pop    %r14
jmp    1030 <ProcessCommand@plt>

LLVM IR (-O0):
@.str = [3 x i8] c"on\00"
@.str.1 = [5 x i8] c"C00\0D\00"
@.str.2 = [4 x i8] c"off\00"
@.str.3 = [5 x i8] c"C01\0D\00"
@.str.4 = [4 x i8] c"ask\00"
@.str.5 = [5 x i8] c"C02\0D\00"
define i32 @ExecPowerCommand(i8* %0, i8* %1) {
%3 = alloca i32
%4 = alloca i8*
%5 = alloca i8*
store i8* %0, i8** %4
store i8* %1, i8** %5
%6 = load i8*, i8** %5
%7 = call i32 @strcmp(i8* %6, i8* getelementptr inbounds ([3 x i8], [3 x i8]* @.str, i64 0, i64 0))
%8 = icmp ne i32 %7, 0
br i1 %8, label %12, label %9
9: ; preds = %2
%10 = load i8*, i8** %4
%11 = call i32 @ProcessCommand(i8* %10, i8* getelementptr inbounds ([5 x i8], [5 x i8]* @.str.1, i64 0, i64 0))
store i32 %11, i32* %3
br label %27
12: ; preds = %2
%13 = load i8*, i8** %5
%14 = call i32 @strcmp(i8* %13, i8* getelementptr inbounds ([4 x i8], [4 x i8]* @.str.2, i64 0, i64 0))
%15 = icmp ne i32 %14, 0
br i1 %15, label %19, label %16
16: ; preds = %12
%17 = load i8*, i8** %4
%18 = call i32 @ProcessCommand(i8* %17, i8* getelementptr inbounds ([5 x i8], [5 x i8]* @.str.3, i64 0, i64 0))
store i32 %18, i32* %3
br label %27
19: ; preds = %12
%20 = load i8*, i8** %5
%21 = call i32 @strcmp(i8* %20, i8* getelementptr inbounds ([4 x i8], [4 x i8]* @.str.4, i64 0, i64 0))
%22 = icmp ne i32 %21, 0
br i1 %22, label %26, label %23
23: ; preds = %19
%24 = load i8*, i8** %4
%25 = call i32 @ProcessCommand(i8* %24, i8* getelementptr inbounds ([5 x i8], [5 x i8]* @.str.5, i64 0, i64 0))
store i32 %25, i32* %3
br label %27
26: ; preds = %19
store i32 2, i32* %3
br label %27
27: ; preds = %26, %23, %16, %9
%28 = load i32, i32* %3
ret i32 %28
}

LLVM IR (-O2):
@.str = [3 x i8] c"on\00"
@.str.1 = [5 x i8] c"C00\0D\00"
@.str.2 = [4 x i8] c"off\00"
@.str.3 = [5 x i8] c"C01\0D\00"
@.str.4 = [4 x i8] c"ask\00"
@.str.5 = [5 x i8] c"C02\0D\00"
define i32 @ExecPowerCommand(i8* %0, i8* nocapture %1) {
%3 = tail call i32 @strcmp(i8* dereferenceable(1) %1, i8* dereferenceable(3) getelementptr inbounds ([3 x i8], [3 x i8]* @.str, i64 0, i64 0))
%4 = icmp eq i32 %3, 0
br i1 %4, label %11, label %5
5: ; preds = %2
%6 = tail call i32 @strcmp(i8* dereferenceable(1) %1, i8* dereferenceable(4) getelementptr inbounds ([4 x i8], [4 x i8]* @.str.2, i64 0, i64 0))
%7 = icmp eq i32 %6, 0
br i1 %7, label %11, label %8
8: ; preds = %5
%9 = tail call i32 @strcmp(i8* dereferenceable(1) %1, i8* dereferenceable(4) getelementptr inbounds ([4 x i8], [4 x i8]* @.str.4, i64 0, i64 0))
%10 = icmp eq i32 %9, 0
br i1 %10, label %11, label %14
11: ; preds = %8, %5, %2
%12 = phi i8* [ getelementptr inbounds ([5 x i8], [5 x i8]* @.str.1, i64 0, i64 0), %2 ], [ getelementptr inbounds ([5 x i8], [5 x i8]* @.str.3, i64 0, i64 0), %5 ], [ getelementptr inbounds ([5 x i8], [5 x i8]* @.str.5, i64 0, i64 0), %8 ]
%13 = tail call i32 @ProcessCommand(i8* %0, i8* %12)
br label %14
14: ; preds = %11, %8
%15 = phi i32 [ 2, %8 ], [ %13, %11 ]
ret i32 %15
}