[PATCH] D16315: [ppc64] Enable sibling call optimization on ppc64 ELFv1/ELFv2 abi
Chuang-Yu Cheng via llvm-commits
llvm-commits at lists.llvm.org
Wed Feb 24 06:29:31 PST 2016
cycheng updated this revision to Diff 48922.
cycheng added a comment.
Undo unnecessary changes.
We found a bug when we enable shrink-wrapping + SCO, and do llvm bootstrap testing.
After we dig into the bug, we think it's **NOT** SCO's issue, we have tested disable shrink-wrapping, this patch can pass bootstrap testing, spec2006 testing.
The bug is, in some cases, shrink-wrapping + SCO will cause the tail call branch disappear, we don't know why and we are investigating it.
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