#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 numDecodings(char *);
int /*<<< orphan*/ printf(char *, char *, int);
int main() {
  char *a = "121123123124124128";
  char *b = "100";
  printf("%s:\n\tExpected value: 702.\n\tActual value: %d\n", a,
         numDecodings(a));
  printf("%s:\n\tExpected value: 0.\n\tActual value: %d\n", b, numDecodings(b));
}


x86 assembly (clang, -O0):
<main>:
push   %rbp
mov    %rsp,%rbp
sub    $0x20,%rsp
lea    0xed1(%rip),%rax
mov    %rax,-0x8(%rbp)
lea    0xed9(%rip),%rax
mov    %rax,-0x10(%rbp)
mov    -0x8(%rbp),%rax
mov    %rax,-0x20(%rbp)
mov    -0x8(%rbp),%rdi
call   1040 <numDecodings@plt>
mov    -0x20(%rbp),%rsi
mov    %eax,%edx
lea    0xebb(%rip),%rdi
call   1030 <printf@plt>
mov    -0x10(%rbp),%rax
mov    %rax,-0x18(%rbp)
mov    -0x10(%rbp),%rdi
call   1040 <numDecodings@plt>
mov    -0x18(%rbp),%rsi
mov    %eax,%edx
lea    0xec5(%rip),%rdi
call   1030 <printf@plt>
xor    %eax,%eax
add    $0x20,%rsp
pop    %rbp
ret

x86 assembly (clang, -O2):
<main>:
push   %rbx
lea    0xed8(%rip),%rbx
mov    %rbx,%rdi
call   1040 <numDecodings@plt>
lea    0xee0(%rip),%rdi
mov    %rbx,%rsi
mov    %eax,%edx
call   1030 <printf@plt>
lea    0xecb(%rip),%rbx
mov    %rbx,%rdi
call   1040 <numDecodings@plt>
lea    0xeed(%rip),%rdi
mov    %rbx,%rsi
mov    %eax,%edx
call   1030 <printf@plt>
xor    %eax,%eax
pop    %rbx
ret

LLVM IR (-O0):
@.str = [19 x i8] c"121123123124124128\00"
@.str.1 = [4 x i8] c"100\00"
@.str.2 = [45 x i8] c"%s:\0A\09Expected value: 702.\0A\09Actual value: %d\0A\00"
@.str.3 = [43 x i8] c"%s:\0A\09Expected value: 0.\0A\09Actual value: %d\0A\00"
define i32 @main() {
%1 = alloca i8*
%2 = alloca i8*
store i8* getelementptr inbounds ([19 x i8], [19 x i8]* @.str, i64 0, i64 0), i8** %1
store i8* getelementptr inbounds ([4 x i8], [4 x i8]* @.str.1, i64 0, i64 0), i8** %2
%3 = load i8*, i8** %1
%4 = load i8*, i8** %1
%5 = call i32 @numDecodings(i8* %4)
%6 = call i32 @printf(i8* getelementptr inbounds ([45 x i8], [45 x i8]* @.str.2, i64 0, i64 0), i8* %3, i32 %5)
%7 = load i8*, i8** %2
%8 = load i8*, i8** %2
%9 = call i32 @numDecodings(i8* %8)
%10 = call i32 @printf(i8* getelementptr inbounds ([43 x i8], [43 x i8]* @.str.3, i64 0, i64 0), i8* %7, i32 %9)
ret i32 0
}

LLVM IR (-O2):
@.str = [19 x i8] c"121123123124124128\00"
@.str.1 = [4 x i8] c"100\00"
@.str.2 = [45 x i8] c"%s:\0A\09Expected value: 702.\0A\09Actual value: %d\0A\00"
@.str.3 = [43 x i8] c"%s:\0A\09Expected value: 0.\0A\09Actual value: %d\0A\00"
define i32 @main() {
%1 = tail call i32 @numDecodings(i8* getelementptr inbounds ([19 x i8], [19 x i8]* @.str, i64 0, i64 0))
%2 = tail call i32 @printf(i8* getelementptr inbounds ([45 x i8], [45 x i8]* @.str.2, i64 0, i64 0), i8* getelementptr inbounds ([19 x i8], [19 x i8]* @.str, i64 0, i64 0), i32 %1)
%3 = tail call i32 @numDecodings(i8* getelementptr inbounds ([4 x i8], [4 x i8]* @.str.1, i64 0, i64 0))
%4 = tail call i32 @printf(i8* getelementptr inbounds ([43 x i8], [43 x i8]* @.str.3, i64 0, i64 0), i8* getelementptr inbounds ([4 x i8], [4 x i8]* @.str.1, i64 0, i64 0), i32 %3)
ret i32 0
}