[PATCH] D113629: Add path to lower addrspacecasts in constant exprs for __ptr32/__ptr64.

[Amy Huang via Phabricator via llvm-commits]

akhuang created this revision.
akhuang added reviewers: rnk, arsenm, craig.topper.
Herald added subscribers: pengfei, hiraditya.
akhuang requested review of this revision.
Herald added subscribers: llvm-commits, wdng.
Herald added a project: LLVM.

This is for addrspacecasts to ms __ptr32 and __ptr64 pointers that
occur in global variables. It adds an X86 override for
AsmPrinter::emitGlobalConstant that deals with zext to 64-bit pointers
and trunc when casting to 32-bit pointers.

Bug: https://bugs.llvm.org/show_bug.cgi?id=51888


Repository:
  rG LLVM Github Monorepo

https://reviews.llvm.org/D113629

Files:
  llvm/include/llvm/CodeGen/AsmPrinter.h
  llvm/lib/Target/X86/X86AsmPrinter.cpp
  llvm/lib/Target/X86/X86AsmPrinter.h
  llvm/test/CodeGen/X86/mixed-ptr-sizes-i686.ll
  llvm/test/CodeGen/X86/mixed-ptr-sizes.ll

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