如何使用LLVM的库 demangle

程序代码如下：

#include <string.h>
#include <stdlib.h>
#include <stdio.h>
#include "llvm/Demangle/Demangle.h"

int main ()
{
	const char* pcmangledname = "_ZNSsaSEPKc";
    int status = 0;
    char * demangled = NULL;
	
	if ((demangled = llvm::itaniumDemangle(pcmangledname, NULL, &size, &status)) != NULL) {
		
		printf("Success to demangle _ZNSsaSEPKc:%s\n",demangled);
	}
	else 
	{
		printf("Fail to demangle");
	}
	
	if ((demangled = llvm::itaniumDemangle("_Z9getStringRSs", NULL, NULL, &status)) != NULL) {
		
		printf("Success to demangle _Z9getStringRSs :%s\n",demangled);
	}
	
	if ((demangled = llvm::itaniumDemangle("_Z13getIntVector1St6vectorIiSaIiEE", NULL, NULL, &status)) != NULL) {
		
		printf("Success to demangle _Z13getIntVector1St6vectorIiSaIiEE :%s\n",demangled);
	}
	
	if ((demangled = llvm::itaniumDemangle("_Z10getString2RSs", NULL, NULL, &status)) != NULL) {
		
		printf("Success to demangle _Z10getString2RSs :%s\n",demangled);
	}
	
	
	free(demangled);
	
  return 0;
}

将LLVM的头文件复制到当前代码的路径下，例如:/opt/test/include, 编译时，使用命令：g++ -I./include test.cpp libLLVMDemangle.a，然后路径下面就会出现一个a.out，执行a.out，就可以看到demangle的结果。