[PATCH] D30416: [InstCombine] Redo reduceLoadOpStoreWidth in instcombine for bitfield store optimization.
Wei Mi via Phabricator via llvm-commits
llvm-commits at lists.llvm.org
Sat Mar 4 12:46:44 PST 2017
wmi updated this revision to Diff 90589.
wmi added a reviewer: eli.friedman.
wmi added a comment.
Update patch according to Eli's comments.
- Add safety check to ensure no memory modifying inst bewteen load and store.
- Extend the shrinking funcationality to cover the cases Eli gave to me.
- Code refactoring so that different shrinking requirements can share the code as much as they can.
Repository:
rL LLVM
https://reviews.llvm.org/D30416
Files:
include/llvm/IR/PatternMatch.h
lib/CodeGen/CodeGenPrepare.cpp
test/CodeGen/ARM/bitfield-store.ll
test/CodeGen/ARM/illegal-bitfield-loadstore.ll
test/CodeGen/X86/bitfield-store.ll
test/CodeGen/X86/illegal-bitfield-loadstore.ll
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