[PATCH] D6594: Fix for bug 8281 - Extremely slow assembling and disassembling of ptrtoint

[Chenguang Wang via Phabricator via llvm-commits]

wecing added a comment.

Sorry about the commit spam.

Not sure what would be the best way to set a deadline for the tests, so I made the test run (almost) forever if not properly optimized.
The latest version also changed `Cache` to be a local map, instead of a shared instance within type context. This allows us to assume the cached result will always have the correct `DestTy` (it doesn't really make much difference, though).

PTAL, @jdoerfert


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  https://reviews.llvm.org/D6594/new/

https://reviews.llvm.org/D6594