Displaying 2 results from an estimated 2 matches for "mulrr".
2019 Jun 25
2
How to handle ISD::STORE when both operands are FrameIndex?
On Mon, Jun 24, 2019 at 4:08 PM Tim Northover <t.p.northover at gmail.com>
wrote:
> On Mon, 24 Jun 2019 at 12:16, Gleb Popov via llvm-dev
> <llvm-dev at lists.llvm.org> wrote:
> > 1. Where does it come from? Can I do anything to make it not appear?
>
> It comes from something like:
>
> %ptr = alloca i8
> %var = alloca i8*
> store i8* %ptr, i8**
2019 Jun 26
2
How to handle ISD::STORE when both operands are FrameIndex?
...ce of
> words. I wouldn't expect a load instruction on most architectures.
>
> > And what's "STORE"? Is it somehow different from "store"?
>
> On most targets in LLVM the implemented instruction names are written
> in capital letters (mostly): ADDrm, MULrr, STRXrs. The STORE there was
> meant to represent a target-specific store instruction (like you'd get
> on the RHS of a Pat instantiation) without committing to any
> particular architecture.
>
> Could you describe what *is* happening for you, BTW? Maybe with an
> "llc -d...