[PATCH] D115409: [SelectionDAGBuilder] drop special handling for CallBr

[Nick Desaulniers via Phabricator via llvm-commits]

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Now that indirect destinations are using "i" constraints rather than "X"
we no longer need this special handling.

Add a test case that was previously ICE'ing.

Reported-by: kernel test robot <lkp at intel.com>
Fixes: https://github.com/ClangBuiltLinux/linux/issues/1512


Repository:
  rG LLVM Github Monorepo

https://reviews.llvm.org/D115409

Files:
  llvm/lib/CodeGen/SelectionDAG/SelectionDAGBuilder.cpp
  llvm/test/CodeGen/X86/callbr-asm-bb-exports.ll
  llvm/test/CodeGen/X86/callbr-asm-outputs.ll

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