Nikita Popov bb3763e497 Revert "[SimplifyCFG] Allow dropping block that only contains ephemeral values" ...

This reverts commit 20f0c68fd8.

https://reviews.llvm.org/D153966#4464594 reports an optimization
regression in Rust.

Additionally this change has caused an unexpected 0.3% compile-time
regression.

2023-06-30 21:24:05 +02:00

134 KiB

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