[llvm-dev] replace uses of loadInst with a value

[mats petersson via llvm-dev]

So, you are replacing

     add = *x + 4

with

     add = x + 4

(where x is still an `int *x`)

Is that really what you want?

On 5 February 2016 at 10:06, Mohammad Norouzi via llvm-dev <
llvm-dev at lists.llvm.org> wrote:

> Hi,
>
> I need to replace all uses of load instructions with the value of its
> operand. Here is an example:
>
> %16 = load i32, i32* %x
>
> %add = add i32 4, %16
>
> In this case, i would like to have the result as:
>
> %add = add i32 4, %x
>
> and then delete the load instruction. I have tried replaceAllUsesWithValue
> but i get a type problem.
>
> "llvm::Value::replaceAllUsesWith(llvm::Value*): Assertion `New->getType()
> == getType() && "replaceAllUses of value with new value of different
> type!"' failed."
>
> Best,
> Mohammad
>
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