[PATCH] D108425: PR46874: Reset stack after visiting a node
Aditya Kumar via Phabricator via llvm-commits
llvm-commits at lists.llvm.org
Thu Aug 19 16:36:48 PDT 2021
hiraditya created this revision.
hiraditya added reviewers: sebpop, fhahn, tejohnson.
hiraditya requested review of this revision.
Herald added a project: LLVM.
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When the stack is not reset it keeps previously visited Basic Block which results in bugs where an instruction is hoisted to a predecessor where the instruction
was not fully anticipable.
Repository:
rG LLVM Github Monorepo
https://reviews.llvm.org/D108425
Files:
llvm/lib/Transforms/Scalar/GVNHoist.cpp
llvm/test/Transforms/GVNHoist/hoist-pr46874.ll
llvm/test/Transforms/GVNHoist/pr37445.ll
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