[PATCH] D65023: [MS] Pass S_HEAPALLOCSITE metadata through SelectionDAG

[Amy Huang via Phabricator via llvm-commits]

akhuang created this revision.
akhuang added a reviewer: rnk.
Herald added subscribers: llvm-commits, hiraditya, aprantl, MatzeB.
Herald added a project: LLVM.

This emits CodeView debug info for heapallocsite by emitting labels around
the call instructions. The metadata is passed through by attaching an
MDNodeSDNode as an operand to the call instruction node.
https://reviews.llvm.org/D60800 is a previous change to emit the metadata
when FastISel is used.

Related to bug https://bugs.llvm.org/show_bug.cgi?id=38491


Repository:
  rG LLVM Github Monorepo

https://reviews.llvm.org/D65023

Files:
  llvm/lib/CodeGen/SelectionDAG/InstrEmitter.cpp
  llvm/lib/CodeGen/SelectionDAG/ScheduleDAGRRList.cpp
  llvm/lib/CodeGen/SelectionDAG/ScheduleDAGSDNodes.cpp
  llvm/lib/CodeGen/SelectionDAG/SelectionDAGISel.cpp
  llvm/lib/Target/X86/X86ISelLowering.cpp
  llvm/test/CodeGen/X86/label-heapallocsite.ll

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