[PATCH] D82130: [WebAssembly] Adding 64-bit versions of __stack_pointer and other globals

[Wouter van Oortmerssen via Phabricator via cfe-commits]

aardappel created this revision.
aardappel added reviewers: sbc100, dschuff.
Herald added subscribers: llvm-commits, cfe-commits, sunfish, aheejin, hiraditya, jgravelle-google.
Herald added projects: clang, LLVM.
aardappel updated this revision to Diff 271859.
aardappel added a comment.

This is a first iteration, probably needs more tests :) I was thinking of forking `userstack.ll` since it has most `__stack_pointer` tests, but I am not sure if it's that useful. Needs a test that uses the new wasm-ld flag. Opinions welcome.


We have 6 globals, all of which except for __table_base are 64-bit under wasm64.


https://reviews.llvm.org/D82130

Files:
  clang/lib/Driver/ToolChains/WebAssembly.cpp
  lld/wasm/Config.h
  lld/wasm/Driver.cpp
  lld/wasm/InputChunks.cpp
  lld/wasm/Options.td
  llvm/include/llvm/BinaryFormat/Wasm.h
  llvm/lib/CodeGen/AsmPrinter/DwarfCompileUnit.cpp
  llvm/lib/Target/WebAssembly/WebAssemblyFrameLowering.cpp
  llvm/lib/Target/WebAssembly/WebAssemblyFrameLowering.h
  llvm/lib/Target/WebAssembly/WebAssemblyISelDAGToDAG.cpp
  llvm/lib/Target/WebAssembly/WebAssemblyLateEHPrepare.cpp
  llvm/lib/Target/WebAssembly/WebAssemblyMCInstLower.cpp
  llvm/lib/Target/WebAssembly/WebAssemblyRegStackify.cpp
  llvm/test/MC/WebAssembly/stack-ptr.ll
  llvm/test/MC/WebAssembly/wasm64.s

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