[PATCH] D29265: [legalize-types] Remove stale entries from SoftenedFloats.
Chih-Hung Hsieh via Phabricator via llvm-commits
llvm-commits at lists.llvm.org
Wed Feb 1 11:08:18 PST 2017
chh added a comment.
Could we have more info in this change or https://reviews.llvm.org/D29180?
Which recent change broke which tests? Could it be reverted?
What were the before and after regression IL trees?
Do we need new unit test?
Last time I fixed a regression related to fp128 in https://reviews.llvm.org/D26942.
The regression was introduced by a cleanup with nice intention,
but we just do not have enough unit tests. We only found
the regression too late to revert, when we tried to compile
a large Android code base. Yes, fp128 could work for all other
targets except Android's x86-64. The SoftenFloat* functions got into
infinite loop. So I would be very careful now about removing nodes
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