[all-commits] [llvm/llvm-project] c880fd: [DFAJumpThreading] Remove incoming StartBlock from...

[XChy via All-commits]

  Branch: refs/heads/main
  Home:   https://github.com/llvm/llvm-project
  Commit: c880fdc0f05f4a18400c5633cf6cd8fad85e3df0
      https://github.com/llvm/llvm-project/commit/c880fdc0f05f4a18400c5633cf6cd8fad85e3df0
  Author: XChy <xxs_chy at outlook.com>
  Date:   2023-11-04 (Sat, 04 Nov 2023)

  Changed paths:
    M llvm/lib/Transforms/Scalar/DFAJumpThreading.cpp
    M llvm/test/Transforms/DFAJumpThreading/dfa-unfold-select.ll

  Log Message:
  -----------
  [DFAJumpThreading] Remove incoming StartBlock from all phis when unfolding select (#71082)

Fixes #65222.
When unfolding select into diamond-like control flow, we need to remove
the StartBlock from all phis in EndBlock.