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(parent: b774c3c) | patch
Revert "[SCEV] Make computeExitLimit more simple and more powerful"
authorMax Kazantsev <max.kazantsev@azul.com>
Thu, 26 Apr 2018 02:07:40 +0000 (02:07 +0000)
committerMax Kazantsev <max.kazantsev@azul.com>
Thu, 26 Apr 2018 02:07:40 +0000 (02:07 +0000)
commit2c287ec9c576b9a12fc0fca3b92b797fa204ec2a
treedbf3bedc44d5202ce762a6eab24c251c58d0d4e1tree | snapshot
parentb774c3c0e584be4c3dd1a4f61c1e5cd7a84f2c25commit | diff
Revert "[SCEV] Make computeExitLimit more simple and more powerful"

This reverts commit 023c8be90980e0180766196cba86f81608b35d38.

This patch triggers miscompile of zlib on PowerPC platform. Most likely it is
caused by some pre-backend PPC-specific pass, but we don't clearly know the
reason yet. So we temporally revert this patch with intention to return it
once the problem is resolved. See bug 37229 for details.

llvm-svn: 330893
llvm/lib/Analysis/ScalarEvolution.cpp diff | blob | history
llvm/test/Analysis/ScalarEvolution/exact_iter_count.ll diff | blob | history
llvm/test/Transforms/LoopSimplify/preserve-scev.ll diff | blob | history
Domain: System / Toolchain;