Chandler Carruth 9156c5e3ba Teach the load analysis to allow finding available values which require ... inttoptr or ptrtoint cast provided there is datalayout available. Eventually, the datalayout can just be required but in practice it will always be there today. To go with the ability to expose available values requiring a ptrtoint or inttoptr cast, helpers are added to perform one of these three casts. These smarts are necessary to finish canonicalizing loads and stores to the operational type requirements without regressing fundamental combines. I've added some test cases. These should actually improve as the load combining and store combining improves, but they may fundamentally be highlighting some missing combines for select in addition to exercising the specific added logic to load analysis. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@220277 91177308-0d34-0410-b5e6-96231b3b80d8		2014-10-21 09:00:40 +00:00
..
ADCE
AddDiscriminators	Revert "Revert "DI: Fold constant arguments into a single MDString""	2014-10-03 20:01:09 +00:00
AlignmentFromAssumptions
ArgumentPromotion	Revert "Revert "DI: Fold constant arguments into a single MDString""	2014-10-03 20:01:09 +00:00
AtomicExpand/ARM
BBVectorize
BranchFolding	Delete -std-compile-opts.	2014-10-16 20:00:02 +00:00
CodeExtractor
CodeGenPrepare
ConstantHoisting
ConstantMerge
ConstProp
CorrelatedValuePropagation
DeadArgElim	DebugInfo+DeadArgElimination: Ensure llvm::Function*s from debug info are updated even when DAE removes both varargs and non-varargs arguments on the same function.	2014-10-07 15:10:23 +00:00
DeadStoreElimination	[DSE] Remove no-data-layout-only type-based overlap checking	2014-10-17 11:56:00 +00:00
DebugIR	Revert "Revert "DI: Fold constant arguments into a single MDString""	2014-10-03 20:01:09 +00:00
EarlyCSE
FunctionAttrs
GCOVProfiling	Revert "Revert "DI: Fold constant arguments into a single MDString""	2014-10-03 20:01:09 +00:00
GlobalDCE	GlobalDCE: Don't drop any COMDAT members	2014-10-07 07:07:19 +00:00
GlobalOpt	GlobalOpt: Don't drop unused memberes of a Comdat	2014-10-08 07:23:31 +00:00
GVN
IndVarSimplify	Revert "r219834 - Teach ScalarEvolution to sharpen range information"	2014-10-15 23:46:04 +00:00
Inline	Revert "TRE: make TRE a bit more aggressive"	2014-10-17 21:25:48 +00:00
InstCombine	Teach the load analysis to allow finding available values which require	2014-10-21 09:00:40 +00:00
InstMerge
InstSimplify	Introduce a 'nonnull' metadata on Load instructions.	2014-10-20 22:40:55 +00:00
Internalize
IPConstantProp
JumpThreading	Fix a somewhat subtle pair of issues with JumpThreading I introduced in	2014-10-20 05:34:36 +00:00
LCSSA
LICM	Revert "Revert "DI: Fold constant arguments into a single MDString""	2014-10-03 20:01:09 +00:00
LoadCombine
LoopDeletion
LoopIdiom	Revert "Revert "DI: Fold constant arguments into a single MDString""	2014-10-03 20:01:09 +00:00
LoopReroll
LoopRotate	Revert "Revert "DI: Fold constant arguments into a single MDString""	2014-10-03 20:01:09 +00:00
LoopSimplify
LoopStrengthReduce	Revert "Revert "DI: Fold constant arguments into a single MDString""	2014-10-03 20:01:09 +00:00
LoopUnroll	This patch de-pessimizes the calculation of loop trip counts in	2014-10-10 17:39:11 +00:00
LoopUnswitch
LoopVectorize	[LoopVectorize] Ignore @llvm.assume for cost estimates and legality	2014-10-14 22:59:49 +00:00
LowerAtomic
LowerExpectIntrinsic
LowerInvoke
LowerSwitch
Mem2Reg	Delete -std-compile-opts.	2014-10-16 20:00:02 +00:00
MemCpyOpt	Allow call-slop optzn for destinations with a suitable dereferenceable attribute	2014-10-16 19:43:08 +00:00
MergeFunc
MetaRenamer
ObjCARC	Revert "Revert "DI: Fold constant arguments into a single MDString""	2014-10-03 20:01:09 +00:00
PartiallyInlineLibCalls
PhaseOrdering
PruneEH
Reassociate	[Reassociate] Don't canonicalize X - undef to X + (-undef).	2014-10-09 20:06:29 +00:00
Reg2Mem
SampleProfile	Revert "Revert "DI: Fold constant arguments into a single MDString""	2014-10-03 20:01:09 +00:00
Scalarizer	Revert "Revert "DI: Fold constant arguments into a single MDString""	2014-10-03 20:01:09 +00:00
ScalarRepl	Revert "Revert "DI: Fold constant arguments into a single MDString""	2014-10-03 20:01:09 +00:00
SCCP
SeparateConstOffsetFromGEP/NVPTX
SimplifyCFG	Switch to select optimization for two-case switches	2014-10-14 01:58:26 +00:00
Sink
SLPVectorizer	[SLPVectorize] Basic ephemeral-value awareness	2014-10-15 17:35:01 +00:00
SROA	[SROA] Change how SROA does vector-based promotion of allocas to handle	2014-10-18 00:44:02 +00:00
StripSymbols	Revert "Revert "DI: Fold constant arguments into a single MDString""	2014-10-03 20:01:09 +00:00
StructurizeCFG
TailCallElim	Fix a long-standing miscompile in the load analysis that was uncovered	2014-10-19 08:17:50 +00:00
TailDup
Util