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Florian Hahn 1ddb3a369f [LangRef] Adjust guarantee for llvm.memcpy to also allow equal arguments. 
This adjusts the description of `llvm.memcpy` to also allow operands
to be equal. This is in line with what Clang currently expects.

This change is intended to be temporary and followed by re-introduce
a variant with the non-overlapping guarantee for cases where we can
actually ensure that property in the front-end.

See the links below for more details:
http://lists.llvm.org/pipermail/cfe-dev/2020-August/066614.html
and PR11763.

Reviewed By: nikic

Differential Revision: https://reviews.llvm.org/D86815
 		2020-09-05 19:18:23 +01:00
..
128-bit-ptr.ll [NewPM][BasicAA] basicaa -> basic-aa in Analysis/BasicAA 2020-06-26 14:58:01 -07:00
2003-02-26-AccessSizeTest.ll [NewPM][BasicAA] basicaa -> basic-aa in Analysis/BasicAA 2020-06-26 14:58:01 -07:00
2003-03-04-GEPCrash.ll [NewPM][BasicAA] basicaa -> basic-aa in Analysis/BasicAA 2020-06-26 14:58:01 -07:00
2003-04-22-GEPProblem.ll [NewPM][BasicAA] basicaa -> basic-aa in Analysis/BasicAA 2020-06-26 14:58:01 -07:00
2003-04-25-GEPCrash.ll [NewPM][BasicAA] basicaa -> basic-aa in Analysis/BasicAA 2020-06-26 14:58:01 -07:00
2003-05-21-GEP-Problem.ll [NewPM][BasicAA] basicaa -> basic-aa in Analysis/BasicAA 2020-06-26 14:58:01 -07:00
2003-06-01-AliasCrash.ll [NewPM][BasicAA] basicaa -> basic-aa in Analysis/BasicAA 2020-06-26 14:58:01 -07:00
2003-07-03-BasicAACrash.ll [NewPM][BasicAA] basicaa -> basic-aa in Analysis/BasicAA 2020-06-26 14:58:01 -07:00
2003-09-19-LocalArgument.ll [NewPM][BasicAA] basicaa -> basic-aa in Analysis/BasicAA 2020-06-26 14:58:01 -07:00
2003-11-04-SimpleCases.ll [NewPM][BasicAA] basicaa -> basic-aa in Analysis/BasicAA 2020-06-26 14:58:01 -07:00
2003-12-11-ConstExprGEP.ll [NewPM][BasicAA] basicaa -> basic-aa in Analysis/BasicAA 2020-06-26 14:58:01 -07:00
2004-07-28-MustAliasbug.ll [NewPM][BasicAA] basicaa -> basic-aa in Analysis/BasicAA 2020-06-26 14:58:01 -07:00
2006-03-03-BadArraySubscript.ll [NewPM][BasicAA] basicaa -> basic-aa in Analysis/BasicAA 2020-06-26 14:58:01 -07:00
2006-11-03-BasicAAVectorCrash.ll [NewPM][BasicAA] basicaa -> basic-aa in Analysis/BasicAA 2020-06-26 14:58:01 -07:00
2007-01-13-BasePointerBadNoAlias.ll [NewPM][BasicAA] basicaa -> basic-aa in Analysis/BasicAA 2020-06-26 14:58:01 -07:00
2007-08-01-NoAliasAndCalls.ll [NewPM][BasicAA] basicaa -> basic-aa in Analysis/BasicAA 2020-06-26 14:58:01 -07:00
2007-08-01-NoAliasAndGEP.ll [NewPM][BasicAA] basicaa -> basic-aa in Analysis/BasicAA 2020-06-26 14:58:01 -07:00
2007-08-05-GetOverloadedModRef.ll [NewPM][BasicAA] basicaa -> basic-aa in Analysis/BasicAA 2020-06-26 14:58:01 -07:00
2007-10-24-ArgumentsGlobals.ll [NewPM][BasicAA] basicaa -> basic-aa in Analysis/BasicAA 2020-06-26 14:58:01 -07:00
2007-11-05-SizeCrash.ll [NewPM][BasicAA] basicaa -> basic-aa in Analysis/BasicAA 2020-06-26 14:58:01 -07:00
2007-12-08-OutOfBoundsCrash.ll [NewPM][BasicAA] basicaa -> basic-aa in Analysis/BasicAA 2020-06-26 14:58:01 -07:00
2008-04-15-Byval.ll
…
2008-06-02-GEPTailCrash.ll [NewPM][BasicAA] basicaa -> basic-aa in Analysis/BasicAA 2020-06-26 14:58:01 -07:00
2008-11-23-NoaliasRet.ll [NewPM][BasicAA] basicaa -> basic-aa in Analysis/BasicAA 2020-06-26 14:58:01 -07:00
2009-03-04-GEPNoalias.ll [NewPM][BasicAA] basicaa -> basic-aa in Analysis/BasicAA 2020-06-26 14:58:01 -07:00
2009-10-13-AtomicModRef.ll [NewPM][BasicAA] basicaa -> basic-aa in Analysis/BasicAA 2020-06-26 14:58:01 -07:00
2009-10-13-GEP-BaseNoAlias.ll [NewPM][BasicAA] basicaa -> basic-aa in Analysis/BasicAA 2020-06-26 14:58:01 -07:00
2010-09-15-GEP-SignedArithmetic.ll [NewPM][BasicAA] basicaa -> basic-aa in Analysis/BasicAA 2020-06-26 14:58:01 -07:00
2014-03-18-Maxlookup-reached.ll [NewPM][BasicAA] basicaa -> basic-aa in Analysis/BasicAA 2020-06-26 14:58:01 -07:00
aligned-overread.ll [NewPM][BasicAA] basicaa -> basic-aa in Analysis/BasicAA 2020-06-26 14:58:01 -07:00
args-rets-allocas-loads.ll [NewPM][BasicAA] basicaa -> basic-aa in Analysis/BasicAA 2020-06-26 14:58:01 -07:00
assume-index-positive.ll [NewPM][BasicAA] basicaa -> basic-aa in Analysis/BasicAA 2020-06-26 14:58:01 -07:00
assume.ll [LangRef] Adjust guarantee for llvm.memcpy to also allow equal arguments. 2020-09-05 19:18:23 +01:00
bug.23540.ll [NewPM][BasicAA] basicaa -> basic-aa in Analysis/BasicAA 2020-06-26 14:58:01 -07:00
bug.23626.ll [NewPM][BasicAA] basicaa -> basic-aa in Analysis/BasicAA 2020-06-26 14:58:01 -07:00
byval.ll [NewPM][BasicAA] basicaa -> basic-aa in Analysis/BasicAA 2020-06-26 14:58:01 -07:00
call-attrs.ll [NewPM][BasicAA] basicaa -> basic-aa in Analysis/BasicAA 2020-06-26 14:58:01 -07:00
cas.ll [NewPM][BasicAA] basicaa -> basic-aa in Analysis/BasicAA 2020-06-26 14:58:01 -07:00
constant-over-index.ll [NewPM][BasicAA] basicaa -> basic-aa in Analysis/BasicAA 2020-06-26 14:58:01 -07:00
cs-cs-arm.ll [NewPM][BasicAA] basicaa -> basic-aa in Analysis/BasicAA 2020-06-26 14:58:01 -07:00
cs-cs.ll [LangRef] Adjust guarantee for llvm.memcpy to also allow equal arguments. 2020-09-05 19:18:23 +01:00
dag.ll [NewPM][BasicAA] basicaa -> basic-aa in Analysis/BasicAA 2020-06-26 14:58:01 -07:00
dereferenceable.ll [NewPM][BasicAA] basicaa -> basic-aa in Analysis/BasicAA 2020-06-26 14:58:01 -07:00
empty.ll [BasicAA] Remove -basicaa alias 2020-07-07 10:44:23 -07:00
fallback-mayalias.ll [NewPM][BasicAA] basicaa -> basic-aa in Analysis/BasicAA 2020-06-26 14:58:01 -07:00
featuretest.ll [NewPM][BasicAA] basicaa -> basic-aa in Analysis/BasicAA 2020-06-26 14:58:01 -07:00
full-store-partial-alias.ll [BasicAA] Rename -disable-basicaa to -disable-basic-aa to be consistent with the canonical name "basic-aa" 2020-06-26 20:55:44 -07:00
gcsetest.ll [NewPM][BasicAA] basicaa -> basic-aa in Analysis/BasicAA 2020-06-26 14:58:01 -07:00
gep-alias.ll [NewPM][BasicAA] basicaa -> basic-aa in Analysis/BasicAA 2020-06-26 14:58:01 -07:00
gep-and-alias-64.ll [NewPM][BasicAA] basicaa -> basic-aa in Analysis/BasicAA 2020-06-26 14:58:01 -07:00
gep-and-alias.ll [BasicAA] Rename deprecated -basicaa to -basic-aa 2020-06-26 20:41:37 -07:00
getmodrefinfo-cs-cs.ll [NewPM][BasicAA] basicaa -> basic-aa in Analysis/BasicAA 2020-06-26 14:58:01 -07:00
global-size.ll [NewPM][BasicAA] basicaa -> basic-aa in Analysis/BasicAA 2020-06-26 14:58:01 -07:00
guards.ll [LangRef] Adjust guarantee for llvm.memcpy to also allow equal arguments. 2020-09-05 19:18:23 +01:00
intrinsics-arm.ll [NewPM][BasicAA] basicaa -> basic-aa in Analysis/BasicAA 2020-06-26 14:58:01 -07:00
intrinsics.ll [NewPM][BasicAA] basicaa -> basic-aa in Analysis/BasicAA 2020-06-26 14:58:01 -07:00
invalidation.ll
…
invariant_group.ll [NewPM][BasicAA] basicaa -> basic-aa in Analysis/BasicAA 2020-06-26 14:58:01 -07:00
invariant_load.ll [NewPM][BasicAA] basicaa -> basic-aa in Analysis/BasicAA 2020-06-26 14:58:01 -07:00
libfuncs.ll [MemLoc] Support memcmp in MemoryLocation::getForArgument. 2020-08-28 10:19:54 +01:00
memset_pattern.ll [NewPM][BasicAA] basicaa -> basic-aa in Analysis/BasicAA 2020-06-26 14:58:01 -07:00
modref.ll [NewPM][BasicAA] basicaa -> basic-aa in Analysis/BasicAA 2020-06-26 14:58:01 -07:00
must-and-partial.ll [NewPM][BasicAA] basicaa -> basic-aa in Analysis/BasicAA 2020-06-26 14:58:01 -07:00
negoffset.ll [NewPM][BasicAA] basicaa -> basic-aa in Analysis/BasicAA 2020-06-26 14:58:01 -07:00
no-escape-call.ll [NewPM][BasicAA] basicaa -> basic-aa in Analysis/BasicAA 2020-06-26 14:58:01 -07:00
noalias-bugs.ll [NewPM][BasicAA] basicaa -> basic-aa in Analysis/BasicAA 2020-06-26 14:58:01 -07:00
noalias-geps.ll [NewPM][BasicAA] basicaa -> basic-aa in Analysis/BasicAA 2020-06-26 14:58:01 -07:00
noalias-param.ll [NewPM][BasicAA] basicaa -> basic-aa in Analysis/BasicAA 2020-06-26 14:58:01 -07:00
noalias-wraparound-bug.ll [NewPM][BasicAA] basicaa -> basic-aa in Analysis/BasicAA 2020-06-26 14:58:01 -07:00
nocapture.ll [NewPM][BasicAA] basicaa -> basic-aa in Analysis/BasicAA 2020-06-26 14:58:01 -07:00
phi-aa.ll [NewPM][BasicAA] basicaa -> basic-aa in Analysis/BasicAA 2020-06-26 14:58:01 -07:00
phi-and-select.ll [NewPM][BasicAA] basicaa -> basic-aa in Analysis/BasicAA 2020-06-26 14:58:01 -07:00
phi-loop.ll [BasicAA] Enable -basic-aa-recphi by default 2020-08-04 10:43:42 +01:00
phi-spec-order.ll Re-land "[PowerPC] Remove QPX/A2Q BGQ/BGP CNK support" 2020-07-28 14:00:11 +00:00
phi-speculation.ll [NewPM][BasicAA] basicaa -> basic-aa in Analysis/BasicAA 2020-06-26 14:58:01 -07:00
phi-values-usage.ll Fix build-bots. 2020-09-01 20:24:15 -07:00
pr18573.ll
…
pr31761.ll [NewPM][BasicAA] basicaa -> basic-aa in Analysis/BasicAA 2020-06-26 14:58:01 -07:00
pr35821.ll
…
pr35843.ll
…
ptrmask.ll [NewPM][BasicAA] basicaa -> basic-aa in Analysis/BasicAA 2020-06-26 14:58:01 -07:00
pure-const-dce.ll [NewPM][BasicAA] basicaa -> basic-aa in Analysis/BasicAA 2020-06-26 14:58:01 -07:00
q.bad.ll [NewPM][BasicAA] basicaa -> basic-aa in Analysis/BasicAA 2020-06-26 14:58:01 -07:00
recphi.ll [BasicAA] Enable -basic-aa-recphi by default 2020-08-04 10:43:42 +01:00
returned.ll [NewPM][BasicAA] basicaa -> basic-aa in Analysis/BasicAA 2020-06-26 14:58:01 -07:00
sequential-gep.ll [NewPM][BasicAA] basicaa -> basic-aa in Analysis/BasicAA 2020-06-26 14:58:01 -07:00
store-promote.ll [NewPM][BasicAA] basicaa -> basic-aa in Analysis/BasicAA 2020-06-26 14:58:01 -07:00
struct-geps.ll [NewPM][BasicAA] basicaa -> basic-aa in Analysis/BasicAA 2020-06-26 14:58:01 -07:00
tail-byval.ll [NewPM][BasicAA] basicaa -> basic-aa in Analysis/BasicAA 2020-06-26 14:58:01 -07:00
tailcall-modref.ll [NewPM][BasicAA] basicaa -> basic-aa in Analysis/BasicAA 2020-06-26 14:58:01 -07:00
underlying-value.ll [NewPM][BasicAA] basicaa -> basic-aa in Analysis/BasicAA 2020-06-26 14:58:01 -07:00
unreachable-block.ll [NewPM][BasicAA] basicaa -> basic-aa in Analysis/BasicAA 2020-06-26 14:58:01 -07:00
vscale.ll [NewPM][BasicAA] basicaa -> basic-aa in Analysis/BasicAA 2020-06-26 14:58:01 -07:00
zext.ll [NewPM][BasicAA] basicaa -> basic-aa in Analysis/BasicAA 2020-06-26 14:58:01 -07:00