[PATCH] D94355: [SimplifyCFG] Add relative switch lookup tables
Gulfem Savrun Yeniceri via Phabricator via llvm-commits
llvm-commits at lists.llvm.org
Fri Jan 8 18:28:26 PST 2021
gulfem created this revision.
Herald added a subscriber: hiraditya.
gulfem requested review of this revision.
Herald added a project: LLVM.
Herald added a subscriber: llvm-commits.
SwitchToLookupTable optimization generates non-PIC-friendly code,
which requires dynamic relocation as described in
https://bugs.llvm.org/show_bug.cgi?id=45244
This patch adds relative switch lookup tables to make
SwitchToLookupTable optimization PIC friendly.
Repository:
rG LLVM Github Monorepo
https://reviews.llvm.org/D94355
Files:
llvm/include/llvm/Transforms/Utils/SimplifyCFGOptions.h
llvm/lib/Passes/PassBuilder.cpp
llvm/lib/Transforms/IPO/PassManagerBuilder.cpp
llvm/lib/Transforms/Scalar/SimplifyCFGPass.cpp
llvm/lib/Transforms/Utils/SimplifyCFG.cpp
llvm/test/Transforms/SimplifyCFG/ARM/switch-to-relative-lookup-table.ll
llvm/test/Transforms/SimplifyCFG/X86/switch_to_relative_lookup_table.ll
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