#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*/ puts(char *);
scalar_t__ strcmp(char *, char *);
int ck_m(char *mode) {
  if (strcmp(mode, "-MIC") == 0) {
    return 0;
  } else if (strcmp(mode, "-MICFS") == 0) {
    return 1;
  } else {
    puts("Program Mode Error !");
    return 2;
  }
}


x86 assembly (clang, -O0):
<ck_m>:
push   %rbp
mov    %rsp,%rbp
sub    $0x10,%rsp
mov    %rdi,-0x10(%rbp)
mov    -0x10(%rbp),%rdi
lea    0xec9(%rip),%rsi
call   1040 <strcmp@plt>
cmp    $0x0,%rax
jne    1152 <ck_m+0x32>
movl   $0x0,-0x4(%rbp)
jmp    118b <ck_m+0x6b>
mov    -0x10(%rbp),%rdi
lea    0xea8(%rip),%rsi
call   1040 <strcmp@plt>
cmp    $0x0,%rax
jne    1178 <ck_m+0x58>
movl   $0x1,-0x4(%rbp)
jmp    118b <ck_m+0x6b>
lea    0xe8d(%rip),%rdi
call   1030 <puts@plt>
movl   $0x2,-0x4(%rbp)
mov    -0x4(%rbp),%eax
add    $0x10,%rsp
pop    %rbp
ret

x86 assembly (clang, -O2):
<ck_m>:
push   %rbx
mov    %rdi,%rbx
lea    0xed5(%rip),%rsi
call   1040 <strcmp@plt>
test   %rax,%rax
je     115c <ck_m+0x3c>
lea    0xec9(%rip),%rsi
mov    %rbx,%rdi
call   1040 <strcmp@plt>
test   %rax,%rax
je     1160 <ck_m+0x40>
lea    0xebc(%rip),%rdi
call   1030 <puts@plt>
mov    $0x2,%eax
pop    %rbx
ret
xor    %eax,%eax
pop    %rbx
ret
mov    $0x1,%eax
pop    %rbx
ret

LLVM IR (-O0):
@.str = [5 x i8] c"-MIC\00"
@.str.1 = [7 x i8] c"-MICFS\00"
@.str.2 = [21 x i8] c"Program Mode Error !\00"
define i32 @ck_m(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 ([5 x i8], [5 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 %15
8: ; preds = %1
%9 = load i8*, i8** %3
%10 = call i64 @strcmp(i8* %9, i8* getelementptr inbounds ([7 x i8], [7 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 %15
13: ; preds = %8
%14 = call i32 @puts(i8* getelementptr inbounds ([21 x i8], [21 x i8]* @.str.2, i64 0, i64 0))
store i32 2, i32* %2
br label %15
15: ; preds = %13, %12, %7
%16 = load i32, i32* %2
ret i32 %16
}

LLVM IR (-O2):
@.str = [5 x i8] c"-MIC\00"
@.str.1 = [7 x i8] c"-MICFS\00"
@.str.2 = [21 x i8] c"Program Mode Error !\00"
define i32 @ck_m(i8* %0) {
%2 = tail call i64 @strcmp(i8* %0, i8* getelementptr inbounds ([5 x i8], [5 x i8]* @.str, i64 0, i64 0))
%3 = icmp eq i64 %2, 0
br i1 %3, label %9, label %4
4: ; preds = %1
%5 = tail call i64 @strcmp(i8* %0, i8* getelementptr inbounds ([7 x i8], [7 x i8]* @.str.1, i64 0, i64 0))
%6 = icmp eq i64 %5, 0
br i1 %6, label %9, label %7
7: ; preds = %4
%8 = tail call i32 @puts(i8* dereferenceable(1) getelementptr inbounds ([21 x i8], [21 x i8]* @.str.2, i64 0, i64 0))
br label %9
9: ; preds = %4, %1, %7
%10 = phi i32 [ 2, %7 ], [ 0, %1 ], [ 1, %4 ]
ret i32 %10
}