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(parent: 89ff9bf) | patch
[ValueTracking] Add canCreateUndefOrPoison & let canCreatePoison use Operator
authorJuneyoung Lee <aqjune@gmail.com>
Sun, 19 Jul 2020 16:23:58 +0000 (01:23 +0900)
committerJuneyoung Lee <aqjune@gmail.com>
Sun, 19 Jul 2020 16:24:30 +0000 (01:24 +0900)
commit0a6aee51608df8502d1d20746d011b3024230c9a
treeeeb1e2eb5bfc033194a2a13815757815d14dfc78tree | snapshot
parent89ff9bf061b4985d11cd4785958d8f8156d10f5dcommit | diff
[ValueTracking] Add canCreateUndefOrPoison & let canCreatePoison use Operator

This patch
- adds `canCreateUndefOrPoison`
- refactors `canCreatePoison` so it can deal with constantexprs

`canCreateUndefOrPoison` will be used at D83926.

Reviewed By: nikic, jdoerfert

Differential Revision: https://reviews.llvm.org/D84007
llvm/include/llvm/Analysis/ValueTracking.h diff | blob | history
llvm/lib/Analysis/ValueTracking.cpp diff | blob | history
llvm/lib/Transforms/Instrumentation/PoisonChecking.cpp diff | blob | history
llvm/unittests/Analysis/ValueTrackingTest.cpp diff | blob | history
Domain: System / Toolchain;