[llvm-dev] Memory Intrinsics with multiple pointers
David Meir Castiel via llvm-dev
llvm-dev at lists.llvm.org
Wed Mar 18 06:00:45 PDT 2020
From: Gal Zohar <Gal.Zohar at ceva-dsp.com>
Sent: Wednesday, March 18, 2020 14:51
To: llvm-dev <llvm-dev at lists.llvm.org>
Cc: David Meir Castiel <DavidMeir.Castiel at ceva-dsp.com>; Fraser Cormack Contact <fraser at codeplay.com>
Subject: Memory Intrinsics with multiple pointers
Looks like LLVM intrinsic lowering can only handle memory intrinsics that use only 1 pointer to access memory.
There doesn't seem to be a way to represent the memory operands of an intrinsic that accesses memory through multiple pointers.
Also, The SD node for intrinsics takes inherits its memory handling from mem SD node, which is also limited to 1 pointer argument.
What would be the best way to modify this to support intrinsics with more than 1 pointer?
Is there any work already being done regarding this issue?
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