Wolfgang Pieb 4fe42214e2 [DEBUGINFO] Prevent Instcombine from dropping debuginfo when removing zexts ...

Zexts can be treated like no-op casts when it comes to assessing whether their
removal affects debug info.

Reviewer: aprantl

Differential Revision: https://reviews.llvm.org/D60641

llvm-svn: 358431

2019-04-15 17:36:29 +00:00

110 KiB

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