[llvm-dev] StoreInst getType return void

[Jingyue Wu via llvm-dev]

A "store" instruction doesn't return anything, so getType() returns void.

Try getOperand(0)->getType(). That returns the type of the first operand
(i.e. the value stored). http://llvm.org/docs/LangRef.html#store-instruction

On Thu, Jan 7, 2016 at 10:34 AM, Mohammad Norouzi via llvm-dev <
llvm-dev at lists.llvm.org> wrote:

> Hi All,
>
> I need to get the type of store instructions using getType from StoreInst.
> However, I get the following error when compiling my program:
>
> clang-3.6:
> /home/norouzi/Desktop/software/dp-clang-llvm/branches/llvm_361/dp-clang-llvm/include/llvm/IR/DataLayout.h:500:
> uint64_t llvm::DataLayout::getTypeSizeInBits(llvm::Type*) const: Assertion
> `Ty->isSized() && "Cannot getTypeInfo() on a type that is unsized!"' failed.
>
> I tried to figure out why and checked out that getType returns "void" so
> DataLayout cannot proceed.
>
> I should mention that i tried it also about LoadInst which perfectly works.
>
> I would be happy about any help.
>
> Best,
> Mo
>
>
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