[PATCH] D55365: [CodeGen] Allow mempcy/memset to generate small overlapping stores.
Clement Courbet via Phabricator via llvm-commits
llvm-commits at lists.llvm.org
Thu Dec 6 05:31:39 PST 2018
courbet created this revision.
Herald added subscribers: jsji, eraman, javed.absar, nemanjai.
All targets either just return false here or properly model `Fast`, so I
don't think there is any reason to prevent CodeGen from doing the right
thing here.
Repository:
rL LLVM
https://reviews.llvm.org/D55365
Files:
lib/CodeGen/SelectionDAG/SelectionDAG.cpp
test/CodeGen/AArch64/arm64-memcpy-inline.ll
test/CodeGen/PowerPC/jaggedstructs.ll
test/CodeGen/PowerPC/structsinmem.ll
test/CodeGen/PowerPC/structsinregs.ll
test/CodeGen/X86/memcpy-from-string.ll
test/CodeGen/X86/memset-2.ll
test/CodeGen/X86/memset-zero.ll
test/CodeGen/X86/unaligned-load.ll
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