[LLVMdev] ConstantPointerRef and void*'s to functions

[Chris Lattner]

> Function* foo = ...;
> std::vector<const Type*> fields;
> ...
> fields.push_back(ConstantPointerRef::get(foo));
>
> will yield a type error because the type of the function foo ("void (*)
> (double*, double*)") does not match the structure field type.
> How might I go about making the necessary cast-like step at the
> GlobalValue/Function level? I want to do something like:

ConstantExpr::getCast will return a constant cast from one constant to a
different type.

-Chris

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