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author	Evandro Menezes <e.menezes@samsung.com>
	Mon, 14 May 2018 15:26:35 +0000 (15:26 +0000)
committer	Evandro Menezes <e.menezes@samsung.com>
	Mon, 14 May 2018 15:26:35 +0000 (15:26 +0000)
commit	29ab6ce3aab3402841eccc07228e8d4e96b62e3f
tree	db6a7a91cb7296cd3897a26058c09619207decb9	tree \| snapshot
parent	40a24a84872af797f68bafa8fcbc61861d5db0e1	commit \| diff

[AArch64] Improve single vector lane stores

When storing the 0th lane of a vector, use a simpler and usually more efficient scalar store instead.

Differential revision: https://reviews.llvm.org/D46655

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@332251 91177308-0d34-0410-b5e6-96231b3b80d8

external/llvm

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lib/Target/AArch64/AArch64InstrInfo.td		diff \| blob \| history
test/CodeGen/AArch64/arm64-neon-copy.ll		diff \| blob \| history
test/CodeGen/AArch64/arm64-neon-simd-ldst-one.ll		diff \| blob \| history
test/CodeGen/AArch64/arm64-st1.ll		diff \| blob \| history
test/CodeGen/AArch64/fp16-vector-load-store.ll		diff \| blob \| history