Changpeng Fang 7c619d4ea7 Sink: Handle instruction sink when a user is dead ...

Summary:
  The current instruction sink pass uses findNearestCommonDominator of all users to find block to sink the instruction to.
However, a user may be in a dead block, which will result in unexpected behavior.

This patch handles such cases by skipping dead blocks. This patch fixes:
https://bugs.llvm.org/show_bug.cgi?id=47415

Reviewers:
  MaskRay, arsenm

Differential Revision:
  https://reviews.llvm.org/D89166

2020-10-09 16:20:26 -07:00

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badloadsink.ll

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basic.ll

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call.ll

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catchswitch.ll

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convergent.ll

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dead-user.ll

Sink: Handle instruction sink when a user is dead

2020-10-09 16:20:26 -07:00

fence.ll

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landingpad.ll

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