[PATCH] D48263: [WebAssembly] Add WasmEHFuncInfo for unwind destination infomation

[Heejin Ahn via Phabricator via llvm-commits]

aheejin created this revision.
aheejin added a reviewer: dschuff.
Herald added subscribers: llvm-commits, chrib, sunfish, jgravelle-google, sbc100.

Add WasmEHFuncInfo and routines to calculate and fill in this struct to
keep track of unwind destination information. This will be used in
other EH related passes.


Repository:
  rL LLVM

https://reviews.llvm.org/D48263

Files:
  include/llvm/CodeGen/MachineFunction.h
  include/llvm/CodeGen/WasmEHFuncInfo.h
  lib/CodeGen/MachineFunction.cpp
  lib/CodeGen/SelectionDAG/FunctionLoweringInfo.cpp
  lib/CodeGen/WasmEHPrepare.cpp

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