[LLVMdev] How to get the string value?

[Duncan Sands]

Hi Welson Sun,

> Hi, if I have some LLVM code like this:
>
> @.str = private unnamed_addr constant [7 x i8] c"in_arr\00", align 1
> @.str1 = private unnamed_addr constant [8 x i8] c"in_arr2\00", align 1
> @.str2 = private unnamed_addr constant [8 x i8] c"out_arr\00", align 1
> ...
> ...
>
>    call void (...)* @_Z16fooz(i8* *getelementptr inbounds ([7 x i8]* @.str, i64
> 0, i64 0)*, i32 0, i32 1024)
> ...
>
> I would like to get the string value of the bold argument, but how? I know it's
> a llvm::Value pointer, but it is not a llvm::GetElementPtrInst?

it is a ConstantExpr getelementptr.  Whenever you see something that looks like
an instruction but is printed inline inside another instruction then that means
it is actually a constant, a ConstantExpr.

Ciao, Duncan.

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> Thanks,
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