[llvm-dev] [cfe-dev] llvm and clang are getting slower

[Renato Golin via llvm-dev]

On 9 Mar 2016 1:22 a.m., "Adam Nemet via cfe-dev" <cfe-dev at lists.llvm.org>
wrote:
> A related issue is that if an analysis is not preserved by a pass, it
gets invalidated *even if* the pass doesn’t end up modifying the code.
Because of this for example we invalidate SCEV’s cache unnecessarily.   The
new pass manager should fix this.

+1
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