Florian Hahn 9d172c8e9c Recommit "[DSE] Switch to MemorySSA-backed DSE by default." ...

This switches to using DSE + MemorySSA by default again, after
fixing the issues reported after the first commit.

Notable fixes fc82006331, a0017c2bc2.

This reverts commit 3a59628f3c.

2020-09-18 11:05:00 +01:00

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2008-02-24-MultipleUseofSRet.ll

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2008-03-13-ReturnSlotBitcast.ll

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2011-06-02-CallSlotOverwritten.ll

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aggregate-type-crash.ll

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align.ll

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atomic.ll

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callslot_aa.ll

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callslot_deref.ll

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callslot_throw.ll

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capturing-func.ll

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crash.ll

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fca2memcpy.ll

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form-memset.ll

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invariant.start.ll

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lifetime.ll

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load-store-to-memcpy.ll

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loadstore-sret.ll

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memcpy-to-memset-with-lifetimes.ll

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memcpy-to-memset.ll

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memcpy-undef.ll

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memcpy.ll

Recommit "[DSE] Switch to MemorySSA-backed DSE by default."

2020-09-18 11:05:00 +01:00

memmove.ll

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memset-memcpy-oversized.ll

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memset-memcpy-redundant-memset.ll

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memset-memcpy-to-2x-memset.ll

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nontemporal.ll

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pr29105.ll

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pr37967.ll

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preserve-memssa.ll

[MemCpyOpt] Account for case that MemInsertPoint == BI.

2020-09-04 14:04:08 +01:00

process_store.ll

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profitable-memset.ll

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smaller.ll

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sret.ll

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stackrestore.ll

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store-to-memset-is-nonzero-type.ll

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store-to-memset.ll

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vscale-memset.ll

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