[llvm] [MCP] Move dependencies if they block copy propagation (PR #105562)

[Quentin Colombet via llvm-commits]

qcolombet wrote:

> When decreasing the node limit to 10 we no longer have major affect on the compile time:

The impact is still significant on the compile time without a huge impact on the generated code.
What is the reason for tests with faster compile time?

This is surprising to me.

https://github.com/llvm/llvm-project/pull/105562