[PATCH] D76973: [LangRef] Clarify the semantics of branch on undef
Juneyoung Lee via Phabricator via llvm-commits
llvm-commits at lists.llvm.org
Sun Mar 29 08:31:38 PDT 2020
aqjune added a comment.
In D76973#1948172 <https://reviews.llvm.org/D76973#1948172>, @fhahn wrote:
> We should probably also think about what to do with all the tests that contain branches on undef. Also, bugpoint should probably stop creating branches on undef with this spelled out as is?
We can make Alive2 automatically convert it to br (freeze undef), .. when running through unit tests, but making bugpoint directly print it will be helpful as well.
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