[all-commits] [llvm/llvm-project] 37b720: [SimplifyCFG] Fix crash when there is unreachable ...

[Allen via All-commits]

  Branch: refs/heads/main
  Home:   https://github.com/llvm/llvm-project
  Commit: 37b7207651b44743909a427b5509bed5e6c21b59
      https://github.com/llvm/llvm-project/commit/37b7207651b44743909a427b5509bed5e6c21b59
  Author: Allen <zhongyunde at huawei.com>
  Date:   2024-04-15 (Mon, 15 Apr 2024)

  Changed paths:
    M llvm/lib/Transforms/Utils/SimplifyCFG.cpp
    M llvm/test/Transforms/SimplifyCFG/switch_mask.ll

  Log Message:
  -----------
  [SimplifyCFG] Fix crash when there is unreachable large index (#88616)

The large case index out of scope is dead code, but it is still be
created for TableContents in SwitchLookupTable::SwitchLookupTable,
so make sure the table size after growing should not get smaller.

Fix https://github.com/llvm/llvm-project/issues/88607



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