[PATCH] D88658: [AVR] Optimize the 16-bit NEGW pseudo instruction

[Ben Shi via Phabricator via llvm-commits]

benshi001 marked an inline comment as done.
benshi001 added inline comments.


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Comment at: llvm/lib/Target/AVR/AVRExpandPseudoInsts.cpp:442
+  // SREG is always implicitly dead
+  MIBLO->getOperand(2).setIsDead();
+
----------------
aykevl wrote:
> I do not think this is true: the C flag (part of SREG) is used in sbci.
Fixed. Thanks.


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https://reviews.llvm.org/D88658