[PATCH] D64128: [CodeGen] Generate llvm.ptrmask instead of inttoptr(and(ptrtoint, C)) if possible.

[Florian Hahn via Phabricator via llvm-commits]

fhahn created this revision.
fhahn added reviewers: jfb, rsmith, rjmccall, efriedma, hfinkel.
Herald added subscribers: llvm-commits, dexonsmith, hiraditya.
Herald added projects: clang, LLVM.

I am not sure if this is the best way to do the matching and would
appreciate any pointers for improving it.

Also, I am not sure if any of the available targets limits the pointer
size, e.g. to something like 56 bit pointers.


Repository:
  rG LLVM Github Monorepo

https://reviews.llvm.org/D64128

Files:
  clang/lib/CodeGen/CGExprScalar.cpp
  clang/test/CodeGen/x86-ptrmask.c
  llvm/include/llvm/IR/DataLayout.h
  llvm/lib/IR/DataLayout.cpp

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