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author	Nikita Popov <nikita.ppv@gmail.com>
	Thu, 18 Feb 2021 21:29:19 +0000 (22:29 +0100)
committer	Nikita Popov <nikita.ppv@gmail.com>
	Fri, 19 Feb 2021 11:35:40 +0000 (12:35 +0100)
commit	2f17ed294fcd8cde505b93c9c5bbab06ba59051c
tree	e3bad6fe386edcbee8a70a58f4ed25c6fb018965	tree \| snapshot
parent	529f71811b0475995f2d9cf766f18d897eec574c	commit \| diff

[DCE] Don't remove non-willreturn calls

In both ADCE and BDCE (via DemandedBits) we should not remove
instructions that are not guaranteed to return. This issue was
pointed out by fhahn in the recent llvm-dev thread.

Differential Revision: https://reviews.llvm.org/D96993

Domain: System / Toolchain;

RSS Atom

llvm/lib/Analysis/DemandedBits.cpp		diff \| blob \| history
llvm/lib/Transforms/Scalar/ADCE.cpp		diff \| blob \| history
llvm/test/Feature/OperandBundles/adce.ll		diff \| blob \| history
llvm/test/LTO/X86/parallel.ll		diff \| blob \| history
llvm/test/Transforms/ADCE/dce_pure_call.ll		diff \| blob \| history
llvm/test/Transforms/ADCE/willreturn.ll		diff \| blob \| history
llvm/test/Transforms/BDCE/dce-pure.ll		diff \| blob \| history
llvm/test/Transforms/BDCE/dead-void-ro.ll		diff \| blob \| history
llvm/test/Transforms/BDCE/willreturn.ll		diff \| blob \| history
llvm/test/tools/gold/X86/parallel.ll		diff \| blob \| history