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d851eb745f
Summary: BasicAA has special logic for unescaped allocas, which normally applies equally well to dynamic and static allocas. However, llvm.stackrestore has the power to end the lifetime of dynamic allocas, without referring to them directly. stackrestore is already marked with the most conservative memory modification attributes, but because the alloca is not escaped, the normal logic produces incorrect results. I think BasicAA needs a special case here to teach it about the relationship between dynamic allocas and stackrestore. Fixes PR40118 Reviewers: gbiv, efriedma, george.burgess.iv Subscribers: hiraditya, llvm-commits Differential Revision: https://reviews.llvm.org/D55969 llvm-svn: 349945 |
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| .. | ||
| 2008-02-24-MultipleUseofSRet.ll | ||
| 2008-03-13-ReturnSlotBitcast.ll | ||
| 2011-06-02-CallSlotOverwritten.ll | ||
| align.ll | ||
| atomic.ll | ||
| callslot_aa.ll | ||
| callslot_deref.ll | ||
| callslot_throw.ll | ||
| capturing-func.ll | ||
| crash.ll | ||
| fca2memcpy.ll | ||
| form-memset.ll | ||
| invariant.start.ll | ||
| lifetime.ll | ||
| load-store-to-memcpy.ll | ||
| loadstore-sret.ll | ||
| memcpy-to-memset-with-lifetimes.ll | ||
| memcpy-to-memset.ll | ||
| memcpy-undef.ll | ||
| memcpy.ll | ||
| memmove.ll | ||
| memset-memcpy-oversized.ll | ||
| memset-memcpy-redundant-memset.ll | ||
| memset-memcpy-to-2x-memset.ll | ||
| nontemporal.ll | ||
| pr29105.ll | ||
| process_store.ll | ||
| profitable-memset.ll | ||
| smaller.ll | ||
| sret.ll | ||
| stackrestore.ll | ||