[PATCH] D62625: LFTR for multiple exit loops

[Martin Storsjö via Phabricator via llvm-commits]

mstorsjo added a comment.

I just ran into a performance regression due to this commit. With https://martin.st/temp/glew-preproc-i686.c, compiling with `clang -target i686-w64-mingw32 -c -O3 glew-preproc-i686.c` went from 73 seconds before this commit, to 133 seconds afterwards.


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  rL LLVM

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  https://reviews.llvm.org/D62625/new/

https://reviews.llvm.org/D62625