[llvm-branch-commits] [llvm] [CGP][PAC] Flip PHI and blends when all immediate modifiers are the same (PR #150226)

[Oliver Hunt via llvm-branch-commits]

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+; NOTE: Assertions have been autogenerated by utils/update_test_checks.py UTC_ARGS: -p --version 5
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ojhunt wrote:

Tests look fine but I'd like a counter example with non-constant discriminator to track that behavior.

https://github.com/llvm/llvm-project/pull/150226