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Michael Kuperstein ae21491819 [BasicAA] Extend inbound GEP negative offset logic to GlobalVariables 
r270777 improved the precision of alloca vs. inbounbds GEP alias queries: if
we have (a) an inbounds GEP and (b) a pointer based on an alloca, and the
beginning of the object the GEP points to would have a negative offset with
respect to the alloca, then the GEP can not alias pointer (b).

This makes the same logic fire when (b) is based on a GlobalVariable instead
of an alloca.

Differential Revision: http://reviews.llvm.org/D20652

llvm-svn: 270893
 		2016-05-26 19:30:49 +00:00
..
2003-02-26-AccessSizeTest.ll [opaque pointer type] Add textual IR support for explicit type parameter to load instruction 2015-02-27 21:17:42 +00:00
2003-03-04-GEPCrash.ll [opaque pointer type] Add textual IR support for explicit type parameter to getelementptr instruction 2015-02-27 19:29:02 +00:00
2003-04-22-GEPProblem.ll [opaque pointer type] Add textual IR support for explicit type parameter to load instruction 2015-02-27 21:17:42 +00:00
2003-04-25-GEPCrash.ll [opaque pointer type] Add textual IR support for explicit type parameter to getelementptr instruction 2015-02-27 19:29:02 +00:00
2003-05-21-GEP-Problem.ll [opaque pointer type] Add textual IR support for explicit type parameter to load instruction 2015-02-27 21:17:42 +00:00
2003-06-01-AliasCrash.ll [opaque pointer type] Add textual IR support for explicit type parameter to load instruction 2015-02-27 21:17:42 +00:00
2003-07-03-BasicAACrash.ll [opaque pointer type] Add textual IR support for explicit type parameter to getelementptr instruction 2015-02-27 19:29:02 +00:00
2003-09-19-LocalArgument.ll [opaque pointer type] Add textual IR support for explicit type parameter to load instruction 2015-02-27 21:17:42 +00:00
2003-11-04-SimpleCases.ll [opaque pointer type] Add textual IR support for explicit type parameter to getelementptr instruction 2015-02-27 19:29:02 +00:00
2003-12-11-ConstExprGEP.ll [opaque pointer type] Add textual IR support for explicit type parameter to gep operator 2015-03-13 18:20:45 +00:00
2004-07-28-MustAliasbug.ll [opaque pointer type] Add textual IR support for explicit type parameter to getelementptr instruction 2015-02-27 19:29:02 +00:00
2006-03-03-BadArraySubscript.ll [opaque pointer type] Add textual IR support for explicit type parameter to the call instruction 2015-04-16 23:24:18 +00:00
2006-11-03-BasicAAVectorCrash.ll [opaque pointer type] Add textual IR support for explicit type parameter to getelementptr instruction 2015-02-27 19:29:02 +00:00
2007-01-13-BasePointerBadNoAlias.ll [opaque pointer type] Add textual IR support for explicit type parameter to load instruction 2015-02-27 21:17:42 +00:00
2007-08-01-NoAliasAndCalls.ll
…
2007-08-01-NoAliasAndGEP.ll [opaque pointer type] Add textual IR support for explicit type parameter to getelementptr instruction 2015-02-27 19:29:02 +00:00
2007-08-05-GetOverloadedModRef.ll [opaque pointer type] Add textual IR support for explicit type parameter to load instruction 2015-02-27 21:17:42 +00:00
2007-10-24-ArgumentsGlobals.ll [opaque pointer type] Add textual IR support for explicit type parameter to gep operator 2015-03-13 18:20:45 +00:00
2007-11-05-SizeCrash.ll [opaque pointer type] Add textual IR support for explicit type parameter for global aliases 2015-09-11 03:22:04 +00:00
2007-12-08-OutOfBoundsCrash.ll [opaque pointer type] Add textual IR support for explicit type parameter for global aliases 2015-09-11 03:22:04 +00:00
2008-04-15-Byval.ll [opaque pointer type] Add textual IR support for explicit type parameter to the call instruction 2015-04-16 23:24:18 +00:00
2008-06-02-GEPTailCrash.ll [opaque pointer type] Add textual IR support for explicit type parameter to gep operator 2015-03-13 18:20:45 +00:00
2008-11-23-NoaliasRet.ll [opaque pointer type] Add textual IR support for explicit type parameter to load instruction 2015-02-27 21:17:42 +00:00
2009-03-04-GEPNoalias.ll [opaque pointer type] Add textual IR support for explicit type parameter to load instruction 2015-02-27 21:17:42 +00:00
2009-10-13-AtomicModRef.ll [opaque pointer type] Add textual IR support for explicit type parameter to load instruction 2015-02-27 21:17:42 +00:00
2009-10-13-GEP-BaseNoAlias.ll [opaque pointer type] Add textual IR support for explicit type parameter to load instruction 2015-02-27 21:17:42 +00:00
2010-09-15-GEP-SignedArithmetic.ll [opaque pointer type] Add textual IR support for explicit type parameter to load instruction 2015-02-27 21:17:42 +00:00
2014-03-18-Maxlookup-reached.ll [opaque pointer type] Add textual IR support for explicit type parameter to load instruction 2015-02-27 21:17:42 +00:00
aligned-overread.ll [opaque pointer type] Add textual IR support for explicit type parameter to gep operator 2015-03-13 18:20:45 +00:00
args-rets-allocas-loads.ll [opaque pointer type] Add textual IR support for explicit type parameter to load instruction 2015-02-27 21:17:42 +00:00
assume.ll Revert "Change memcpy/memset/memmove to have dest and source alignments." 2015-11-19 05:56:52 +00:00
bug.23540.ll [BasicAA] Fix the handling of sext and zext in the analysis of GEPs. 2015-08-31 22:32:47 +00:00
bug.23626.ll [BasicAA] Fix the handling of sext and zext in the analysis of GEPs. 2015-08-31 22:32:47 +00:00
byval.ll [opaque pointer type] Add textual IR support for explicit type parameter to the call instruction 2015-04-16 23:24:18 +00:00
cas.ll [opaque pointer type] Add textual IR support for explicit type parameter to load instruction 2015-02-27 21:17:42 +00:00
constant-over-index.ll [opaque pointer type] Add textual IR support for explicit type parameter to getelementptr instruction 2015-02-27 19:29:02 +00:00
cs-cs.ll Revert "Change memcpy/memset/memmove to have dest and source alignments." 2015-11-19 05:56:52 +00:00
dag.ll [opaque pointer type] Add textual IR support for explicit type parameter to load instruction 2015-02-27 21:17:42 +00:00
empty.ll
…
featuretest.ll [opaque pointer type] Add textual IR support for explicit type parameter to gep operator 2015-03-13 18:20:45 +00:00
full-store-partial-alias.ll [PM/AA] Rebuild LLVM's alias analysis infrastructure in a way compatible 2015-09-09 17:55:00 +00:00
gcsetest.ll [opaque pointer type] Add textual IR support for explicit type parameter to load instruction 2015-02-27 21:17:42 +00:00
gep-alias.ll [BasicAA] Add a test for PR24468 to be sure we won't regress 2015-08-19 00:08:26 +00:00
getmodrefinfo-cs-cs.ll Revert "Change memcpy/memset/memmove to have dest and source alignments." 2015-11-19 05:56:52 +00:00
global-size.ll [opaque pointer type] Add textual IR support for explicit type parameter to load instruction 2015-02-27 21:17:42 +00:00
guards.ll [BasicAA] Guard intrinsics don't write to memory 2016-05-10 02:35:41 +00:00
intrinsics.ll Sort the enums in Attributes.h in case insensitive alphabetical order. 2015-11-11 02:11:46 +00:00
invariant_load.ll [opaque pointer type] Add textual IR support for explicit type parameter to load instruction 2015-02-27 21:17:42 +00:00
memset_pattern.ll [BasicAA] Remove special casing of memset_pattern16 in favor of generic attribute inference 2016-01-06 04:53:16 +00:00
modref.ll Revert "Change memcpy/memset/memmove to have dest and source alignments." 2015-11-19 05:56:52 +00:00
must-and-partial.ll [opaque pointer type] Add textual IR support for explicit type parameter to load instruction 2015-02-27 21:17:42 +00:00
negoffset.ll [BasicAA] Extend inbound GEP negative offset logic to GlobalVariables 2016-05-26 19:30:49 +00:00
no-escape-call.ll [opaque pointer type] Add textual IR support for explicit type parameter to load instruction 2015-02-27 21:17:42 +00:00
noalias-bugs.ll Fix a bunch of trivial cases of 'CHECK[^:]*$' in the tests. NFCI 2015-08-10 19:01:27 +00:00
noalias-geps.ll [opaque pointer type] Add textual IR support for explicit type parameter to getelementptr instruction 2015-02-27 19:29:02 +00:00
noalias-param.ll [opaque pointer type] Add textual IR support for explicit type parameter to load instruction 2015-02-27 21:17:42 +00:00
noalias-wraparound-bug.ll [BasicAA] Fix for missing must alias (D16343) 2016-01-30 05:52:53 +00:00
nocapture.ll [opaque pointer type] Add textual IR support for explicit type parameter to load instruction 2015-02-27 21:17:42 +00:00
phi-aa.ll [PM/AA] Port alias analysis evaluator to the new pass manager, and use 2016-02-20 03:46:03 +00:00
phi-and-select.ll
…
phi-loop.ll Analyze recursive PHI nodes in BasicAA 2015-07-15 19:32:22 +00:00
phi-spec-order.ll [opaque pointer type] Add textual IR support for explicit type parameter to gep operator 2015-03-13 18:20:45 +00:00
phi-speculation.ll [opaque pointer type] Add textual IR support for explicit type parameter to load instruction 2015-02-27 21:17:42 +00:00
pr18573.ll [opaque pointer type] Add textual IR support for explicit type parameter to load instruction 2015-02-27 21:17:42 +00:00
pure-const-dce.ll
…
q.bad.ll [BasicAA] Fix the handling of sext and zext in the analysis of GEPs. 2015-08-31 22:32:47 +00:00
sequential-gep.ll [BasicAA] Bugfix for r251016 2015-10-23 14:17:03 +00:00
store-promote.ll [opaque pointer type] Add textual IR support for explicit type parameter to load instruction 2015-02-27 21:17:42 +00:00
struct-geps.ll [BasicAA] Compare GEP indices based on value (Fix PR27418) 2016-05-11 15:45:43 +00:00
tailcall-modref.ll [opaque pointer type] Add textual IR support for explicit type parameter to load instruction 2015-02-27 21:17:42 +00:00
underlying-value.ll [opaque pointer type] Add textual IR support for explicit type parameter to load instruction 2015-02-27 21:17:42 +00:00
unreachable-block.ll [opaque pointer type] Add textual IR support for explicit type parameter to getelementptr instruction 2015-02-27 19:29:02 +00:00
zext.ll [BasicAA] Fix the handling of sext and zext in the analysis of GEPs. 2015-08-31 22:32:47 +00:00