[PATCH] D120123: [LegacyPassManager] Move structural hashing into Pass classes. NFC.

[Jay Foad via Phabricator via llvm-commits]

foad added a comment.

In D120123#3342842 <https://reviews.llvm.org/D120123#3342842>, @serge-sans-paille wrote:

> MMMh, I don't understand how this helps for `MachineFunctionPass` etc?

See D120124 <https://reviews.llvm.org/D120124>. This allows MachineFunctionPass to hash the MachineFunction, which it gets from the MachineModuleInfo analysis pass, which is easy to do inside MachineFunction but would be hard to do in LegacyPassManager. (Unless I have completely misunderstood and there is an easy way to get the MachineFunction for a Function without using MachineModuleInfo?)


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  https://reviews.llvm.org/D120123/new/

https://reviews.llvm.org/D120123