[PATCH] D143440: [SelectionDAGBuilder] handle Flag Output Operands in callbr

[Nick Desaulniers via Phabricator via llvm-commits]

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Fixes crashes observed when building the ARCH=i386 Linux kernel.

Rewrite bits of SelectionDAGBuilder::visitCallBrLandingPad to re-use
machinery similar to SelectionDAGBuilder::visitInlineAsm. This is a bit
more robust for tied operands and Flag Output Operands.


Repository:
  rG LLVM Github Monorepo

https://reviews.llvm.org/D143440

Files:
  llvm/lib/CodeGen/SelectionDAG/SelectionDAGBuilder.cpp
  llvm/test/CodeGen/X86/callbr-asm-outputs-indirect-isel-m32.ll
  llvm/test/CodeGen/X86/callbr-asm-outputs-indirect-isel.ll

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