[PATCH] D146781: [Webassembly] consider invalid CALL_S in removeRegisterOperands

[Congcong Cai via Phabricator via llvm-commits]

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CALL_S at least need one operand as call func index. This case needs to
be identifer during removing register operands. Otherwise incorrect CALL_S
instruction will crash other part.
Invalid CALL_S will be replaced with UNREACHABLE


Repository:
  rG LLVM Github Monorepo

https://reviews.llvm.org/D146781

Files:
  llvm/lib/Target/WebAssembly/WebAssemblyMCInstLower.cpp
  llvm/test/CodeGen/WebAssembly/call.ll

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