Juneyoung Lee 25ce1e0497 [ValueTracking] Add UndefOrPoison/Poison-only version of relevant functions ...

This patch adds isGuaranteedNotToBePoison and programUndefinedIfUndefOrPoison.

isGuaranteedNotToBePoison will be used at D75808. The latter function is used at isGuaranteedNotToBePoison.

Reviewed By: nikic

Differential Revision: https://reviews.llvm.org/D84242

2020-09-09 20:00:26 +09:00

13 KiB

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