[PATCH] D65024: [GlobalISel][AArch64] Contract trivial same-size cross-bank copies into G_STOREs

[Jessica Paquette via Phabricator via llvm-commits]

paquette marked an inline comment as done.
paquette added inline comments.


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Comment at: llvm/lib/Target/AArch64/AArch64InstructionSelector.cpp:1184
+  if (!Copy || Copy->getOpcode() != TargetOpcode::COPY)
+    return;
+  Register CopyDstReg = Copy->getOperand(0).getReg();
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paquette wrote:
> aemerson wrote:
> > This pattern can now be replaced with getOpcodeDef()?
> It's not quite equivalent, since it looks through copies. I think that it would still work though, if I rejigger the rest of the function a bit.
Oh, wait, it looks for a specific opcode. I don't think that will work too well with copies.


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