lizhuo,您好！
不是很明白你的意思，好像你想从一个ConstantExpr::getPtrPtrFromArrayPtr 指针得到这个ConstantExpr 的内容，
但你的困难在哪里？
======= 2006-03-25 22:04:14 您在来信中写道：======>hi
>I have one llvm program like this :
>..
>; define ConstantArray
>"E1$str" = internal constant [3 x sbyte] c"E1\00"
>
>; use getPtrPtrFromArrayPtr to define SByte* from ConstantArray
>"E1$entry" = internal constant sbyte* getelementptr ([3 x sbyte]*
"E1$str", uint 0, uint 0)
>..
>
>when i want to get std::string object from this declaration in another
program
>
> Module* m = loadModule("XXX.bc");
> Constant* c = findValue(m,"E1$entry");
> GlobalVariable* gv = cast<GlobalVariable>(c->getOperand(0));
> ConstantArray* ca = cast<ConstantArray>(gv->getOperand(0));
> std::string str = ca->getAsString();
>
>now str = "E1"
>these code looks a little ugly , could you tell me better solution ?
>In another word , I want to know the reverse operation of
ConstantExpr::getPtrPtrFromArrayPtr .
>
>thanks
>
>
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致
礼！
Yimin Xia
ymxia at nudt.edu.cn
2006-03-26
