#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*/ strcmp(char *, char *);
int dayCode(char *day) {
  char *days[] = {"Sunday",   "Monday", "Tuesday", "Wednesday",
                  "Thursday", "Friday", "Saturday"};
  for (int i = 0; i < 7; i++) {
    if (!strcmp(day, days[i])) {
      return i;
    }
  }
}


x86 assembly (clang, -O0):
<dayCode>:
push   %rbp
mov    %rsp,%rbp
sub    $0x60,%rsp
mov    %rdi,-0x10(%rbp)
lea    -0x50(%rbp),%rdi
lea    0x2ca9(%rip),%rsi
mov    $0x38,%edx
call   1040 <memcpy@plt>
movl   $0x0,-0x54(%rbp)
cmpl   $0x7,-0x54(%rbp)
jge    118b <dayCode+0x6b>
mov    -0x10(%rbp),%rdi
movslq -0x54(%rbp),%rax
mov    -0x50(%rbp,%rax,8),%rsi
call   1030 <strcmp@plt>
cmp    $0x0,%eax
jne    1178 <dayCode+0x58>
mov    -0x54(%rbp),%eax
mov    %eax,-0x4(%rbp)
jmp    118b <dayCode+0x6b>
jmp    117d <dayCode+0x5d>
mov    -0x54(%rbp),%eax
add    $0x1,%eax
mov    %eax,-0x54(%rbp)
jmp    1148 <dayCode+0x28>
mov    -0x4(%rbp),%eax
add    $0x60,%rsp
pop    %rbp
ret

x86 assembly (clang, -O2):
<dayCode>:
push   %rbx
mov    %rdi,%rbx
lea    0xee5(%rip),%rsi
call   1030 <strcmp@plt>
test   %eax,%eax
je     119f <dayCode+0x8f>
lea    0xedc(%rip),%rsi
mov    %rbx,%rdi
call   1030 <strcmp@plt>
test   %eax,%eax
je     11a3 <dayCode+0x93>
lea    0xed0(%rip),%rsi
mov    %rbx,%rdi
call   1030 <strcmp@plt>
test   %eax,%eax
je     11aa <dayCode+0x9a>
lea    0xec5(%rip),%rsi
mov    %rbx,%rdi
call   1030 <strcmp@plt>
test   %eax,%eax
je     11b1 <dayCode+0xa1>
lea    0xebc(%rip),%rsi
mov    %rbx,%rdi
call   1030 <strcmp@plt>
test   %eax,%eax
je     11b8 <dayCode+0xa8>
lea    0xeb2(%rip),%rsi
mov    %rbx,%rdi
call   1030 <strcmp@plt>
test   %eax,%eax
je     11bf <dayCode+0xaf>
lea    0xea6(%rip),%rsi
mov    %rbx,%rdi
call   1030 <strcmp@plt>
cmp    $0x1,%eax
mov    $0x7,%eax
sbb    $0x0,%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

LLVM IR (-O0):
@.str = [7 x i8] c"Sunday\00"
@.str.1 = [7 x i8] c"Monday\00"
@.str.2 = [8 x i8] c"Tuesday\00"
@.str.3 = [10 x i8] c"Wednesday\00"
@.str.4 = [9 x i8] c"Thursday\00"
@.str.5 = [7 x i8] c"Friday\00"
@.str.6 = [9 x i8] c"Saturday\00"
@__const.dayCode.days = [7 x i8*] [i8* getelementptr inbounds ([7 x i8], [7 x i8]* @.str, i32 0, i32 0), i8* getelementptr inbounds ([7 x i8], [7 x i8]* @.str.1, i32 0, i32 0), i8* getelementptr inbounds ([8 x i8], [8 x i8]* @.str.2, i32 0, i32 0), i8* getelementptr inbounds ([10 x i8], [10 x i8]* @.str.3, i32 0, i32 0), i8* getelementptr inbounds ([9 x i8], [9 x i8]* @.str.4, i32 0, i32 0), i8* getelementptr inbounds ([7 x i8], [7 x i8]* @.str.5, i32 0, i32 0), i8* getelementptr inbounds ([9 x i8], [9 x i8]* @.str.6, i32 0, i32 0)]
define i32 @dayCode(i8* %0) {
%2 = alloca i32
%3 = alloca i8*
%4 = alloca [7 x i8*]
%5 = alloca i32
store i8* %0, i8** %3
%6 = bitcast [7 x i8*]* %4 to i8*
store i32 0, i32* %5
br label %7
7: ; preds = %21, %1
%8 = load i32, i32* %5
%9 = icmp slt i32 %8, 7
br i1 %9, label %10, label %24
10: ; preds = %7
%11 = load i8*, i8** %3
%12 = load i32, i32* %5
%13 = sext i32 %12 to i64
%14 = getelementptr inbounds [7 x i8*], [7 x i8*]* %4, i64 0, i64 %13
%15 = load i8*, i8** %14
%16 = call i32 @strcmp(i8* %11, i8* %15)
%17 = icmp ne i32 %16, 0
br i1 %17, label %20, label %18
18: ; preds = %10
%19 = load i32, i32* %5
store i32 %19, i32* %2
br label %24
20: ; preds = %10
br label %21
21: ; preds = %20
%22 = load i32, i32* %5
%23 = add nsw i32 %22, 1
store i32 %23, i32* %5
br label %7
24: ; preds = %18, %7
%25 = load i32, i32* %2
ret i32 %25
}

LLVM IR (-O2):
@.str = [7 x i8] c"Sunday\00"
@.str.1 = [7 x i8] c"Monday\00"
@.str.2 = [8 x i8] c"Tuesday\00"
@.str.3 = [10 x i8] c"Wednesday\00"
@.str.4 = [9 x i8] c"Thursday\00"
@.str.5 = [7 x i8] c"Friday\00"
@.str.6 = [9 x i8] c"Saturday\00"
define i32 @dayCode(i8* nocapture %0) {
%2 = tail call i32 @strcmp(i8* dereferenceable(1) %0, i8* dereferenceable(7) getelementptr inbounds ([7 x i8], [7 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 @strcmp(i8* dereferenceable(1) %0, i8* dereferenceable(7) getelementptr inbounds ([7 x i8], [7 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 @strcmp(i8* dereferenceable(1) %0, i8* dereferenceable(8) getelementptr inbounds ([8 x i8], [8 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 @strcmp(i8* dereferenceable(1) %0, i8* dereferenceable(10) getelementptr inbounds ([10 x i8], [10 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 @strcmp(i8* dereferenceable(1) %0, i8* dereferenceable(9) getelementptr inbounds ([9 x i8], [9 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 @strcmp(i8* dereferenceable(1) %0, i8* dereferenceable(7) getelementptr inbounds ([7 x i8], [7 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 @strcmp(i8* dereferenceable(1) %0, i8* dereferenceable(9) 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 7
br label %23
23: ; preds = %19, %16, %13, %10, %7, %4, %1
%24 = phi i32 [ 0, %1 ], [ 1, %4 ], [ 2, %7 ], [ 3, %10 ], [ 4, %13 ], [ 5, %16 ], [ %22, %19 ]
ret i32 %24
}