[PATCH] D34141: [X86] Recognize constant arrays with special values and replace loads from it with subtract and shift instructions, which then will be replaced by X86 BZHI machine instruction.
Ayman Musa via Phabricator via llvm-commits
llvm-commits at lists.llvm.org
Tue Dec 12 06:14:46 PST 2017
This revision was automatically updated to reflect the committed changes.
Closed by commit rL320481: [X86] Recognize constant arrays with special values and replace loads from it… (authored by aymanmus, committed by ).
Changed prior to commit:
https://reviews.llvm.org/D34141?vs=119825&id=126540#toc
Repository:
rL LLVM
https://reviews.llvm.org/D34141
Files:
llvm/trunk/lib/Target/X86/X86ISelLowering.cpp
llvm/trunk/test/CodeGen/X86/replace-load-and-with-bzhi.ll
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