[PATCH] D17409: Add support for merging strings with alignment larger than one char
Rafael Ávila de Espíndola via llvm-commits
llvm-commits at lists.llvm.org
Thu Feb 18 13:19:02 PST 2016
rafael created this revision.
rafael added a reviewer: ruiu.
rafael added a subscriber: llvm-commits.
This reduces the .rodata of scyladb from 4501932 to 4334639 bytes (1.038 times smaller).
I don't think it is critical to support tail merging, just exact duplicates, but given the code organization it was actually a bit easier to support both.
http://reviews.llvm.org/D17409
Files:
ELF/InputFiles.cpp
ELF/OutputSections.cpp
ELF/OutputSections.h
ELF/Writer.cpp
test/ELF/merge-string-align.s
test/ELF/tail-merge-string-align.s
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