[PATCH] D128209: [DebugInfo][InstrRef][NFC] Emit variadic debug values from InstrRefLDV

[Stephen Tozer via Phabricator via llvm-commits]

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In preparation for supporting DBG_VALUE_LIST in InstrRefLDV, this patch adds the logic for emitting DBG_VALUE_LIST instructions from InstrRefLDV. The logical changes here are fairly simple, with the main change being that instead of directly prepending offsets to the DIExpr, we use appendOpsToArg to modify the expression for individual debug operands in the expression. The function `emitLoc` is also changed to take a list of debug ops, with an empty list meaning an undef value.


Repository:
  rG LLVM Github Monorepo

https://reviews.llvm.org/D128209

Files:
  llvm/lib/CodeGen/LiveDebugValues/InstrRefBasedImpl.cpp
  llvm/lib/CodeGen/LiveDebugValues/InstrRefBasedImpl.h

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