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Unverified Commit 8fb2113e authored by Florian Hahn's avatar Florian Hahn Committed by GitHub
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[AArch64] Preserve undef on registers when expanding CALL_RVMARKER. (#71177) 

Preserve the undef flag on register operands when expanding
CALL_RVMARKER. This fixes a crash when the x0 operand is undef, e.g.
because it was poison in the input IR.

Fixes https://github.com/llvm/llvm-project/issues/68005.
parent 93b8f569
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