[PATCH] D120121: [StableHashing] Hash vregs with multiple defs

[Kyungwoo Lee via Phabricator via llvm-commits]

kyulee added a comment.

In D120121#3332320 <https://reviews.llvm.org/D120121#3332320>, @foad wrote:

> In D120121#3332296 <https://reviews.llvm.org/D120121#3332296>, @kyulee wrote:
>
>> Is there any specific use case or reason to enhance this collision?
>
> See D120124 <https://reviews.llvm.org/D120124>: I want to use this as a quick hash for MachineFunctions (either before or after SSA, before or after regalloc) to detect which FunctionPasses modify them.

Got it. Thanks!


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https://reviews.llvm.org/D120121