[PATCH] D107102: [WebAssembly] Add new pass to lower int/ptr conversions of reftypes

[Paulo Matos via Phabricator via llvm-commits]

pmatos created this revision.
pmatos added a reviewer: tlively.
Herald added subscribers: ecnelises, sunfish, hiraditya, jgravelle-google, arichardson, sbc100, mgorny, dschuff.
pmatos requested review of this revision.
Herald added subscribers: llvm-commits, aheejin.
Herald added a project: LLVM.

Add new pass LowerRefTypesIntPtrConv to generate unreachable
instruction for an inttoptr and ptrtoint of a reference type instead
of erroring, since calling these instructions on non-integral pointers
has been since allowed (see ac81cb7e6 <https://reviews.llvm.org/rGac81cb7e6dde9b0890ee1780eae94ab96743569b>).


Repository:
  rG LLVM Github Monorepo

https://reviews.llvm.org/D107102

Files:
  llvm/lib/Target/WebAssembly/CMakeLists.txt
  llvm/lib/Target/WebAssembly/WebAssembly.h
  llvm/lib/Target/WebAssembly/WebAssemblyISelDAGToDAG.cpp
  llvm/lib/Target/WebAssembly/WebAssemblyLowerRefTypesIntPtrConv.cpp
  llvm/lib/Target/WebAssembly/WebAssemblyTargetMachine.cpp
  llvm/test/CodeGen/WebAssembly/externref-inttoptr.ll
  llvm/test/CodeGen/WebAssembly/externref-ptrtoint.ll
  llvm/utils/gn/secondary/llvm/lib/Target/WebAssembly/BUILD.gn

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