Alexey Bataev a84322479f [InstCombine] Fix PR35618: Instcombine hangs on single minmax load bitcast. ... Summary: If we have pattern `store (load(bitcast(select (cmp(V1, V2), &V1, &V2)))), bitcast)`, but the load is used in other instructions, it leads to looping in InstCombiner. Patch adds additional check that all users of the load instructions are stores and then replaces all uses of load instruction by the new one with new type. Reviewers: RKSimon, spatel, majnemer Subscribers: llvm-commits Differential Revision: https://reviews.llvm.org/D41072 llvm-svn: 320510		2017-12-12 18:47:00 +00:00
..
ADCE	[ADCE][Dominators] Reapply: Teach ADCE to preserve dominators	2017-08-22 16:30:21 +00:00
AddDiscriminators
AlignmentFromAssumptions
ArgumentPromotion
AtomicExpand
BDCE	[BDCE] Don't check demanded bits on unsized types	2017-08-16 16:09:22 +00:00
BranchFolding
CalledValuePropagation	Add CalledValuePropagation pass	2017-10-25 13:40:08 +00:00
CallSiteSplitting	[CallSiteSplitting] Don't let debug intrinsics affect optimizations	2017-12-12 07:29:57 +00:00
CodeExtractor	[InlineFunction] Set debug loc for call to forward varargs.	2017-12-09 14:25:33 +00:00
CodeGenPrepare	[BypassSlowDivision] Improve our handling of divisions by constants	2017-12-04 19:21:58 +00:00
ConstantHoisting	Fix out-of-order stepping behavior in programs with hoisted constants.	2017-11-09 20:01:31 +00:00
ConstantMerge	Canonicalize the representation of empty an expression in DIGlobalVariableExpression	2017-08-30 18:06:51 +00:00
ConstProp
Coroutines	[coroutines] Add support for symmetric control transfer (musttail on coro.resumes followed by a suspend)	2017-08-25 02:25:10 +00:00
CorrelatedValuePropagation	[CVP] Remove some {s|u}sub.with.overflow checks.	2017-12-05 18:14:24 +00:00
CrossDSOCFI	[cfi] Build __cfi_check as Thumb when applicable.	2017-08-29 22:29:15 +00:00
DCE	Add an @llvm.sideeffect intrinsic	2017-11-08 21:59:51 +00:00
DeadArgElim
DeadStoreElimination	Add an @llvm.sideeffect intrinsic	2017-11-08 21:59:51 +00:00
DivRemPairs	[DivRemPairs] split tests per target to account for bots that don't build for all targets	2017-09-09 14:10:59 +00:00
EarlyCSE	Add an @llvm.sideeffect intrinsic	2017-11-08 21:59:51 +00:00
EliminateAvailableExternally
EntryExitInstrumenter	EntryExitInstrumenter: set DebugLocs on the inserted call instructions (PR35412)	2017-11-28 18:44:26 +00:00
ExpandMemCmp/X86	re-land [ExpandMemCmp] Split ExpandMemCmp from CodeGen into its own pass."	2017-11-03 12:12:27 +00:00
Float2Int
ForcedFunctionAttrs
FunctionAttrs	Add an @llvm.sideeffect intrinsic	2017-11-08 21:59:51 +00:00
FunctionImport	Fix bot failures by requiring x86 target	2017-08-19 19:15:04 +00:00
GCOVProfiling	Canonicalize the representation of empty an expression in DIGlobalVariableExpression	2017-08-30 18:06:51 +00:00
GlobalDCE
GlobalMerge	Canonicalize the representation of empty an expression in DIGlobalVariableExpression	2017-08-30 18:06:51 +00:00
GlobalOpt	Add an @llvm.sideeffect intrinsic	2017-11-08 21:59:51 +00:00
GlobalSplit
GuardWidening
GVN	Hardware-assisted AddressSanitizer (llvm part).	2017-12-09 00:21:41 +00:00
GVNHoist	Add an @llvm.sideeffect intrinsic	2017-11-08 21:59:51 +00:00
GVNSink	Add an @llvm.sideeffect intrinsic	2017-11-08 21:59:51 +00:00
IndVarSimplify	[IndVars] Fix a bug introduced in r317012	2017-12-01 20:57:19 +00:00
InferAddressSpaces	InferAddressSpaces: Fix bug about replacing addrspacecast	2017-10-30 21:19:41 +00:00
InferFunctionAttrs
Inline	Hardware-assisted AddressSanitizer (llvm part).	2017-12-09 00:21:41 +00:00
InstCombine	[InstCombine] Fix PR35618: Instcombine hangs on single minmax load bitcast.	2017-12-12 18:47:00 +00:00
InstMerge
InstNamer
InstSimplify	Revert r320049, r320014 and r319894	2017-12-12 10:03:39 +00:00
InterleavedAccess	[X86][LLVM]Expanding Supports lowerInterleaved{store|load}() in X86InterleavedAccess (VF64 stride 3-4)	2017-10-02 07:35:25 +00:00
Internalize
IPConstantProp
IRCE	[IRCE] Smart range intersection	2017-11-20 06:07:57 +00:00
JumpThreading	Fix some misc. -enable-var-scope violations	2017-11-13 01:47:52 +00:00
LCSSA
LICM	[LICM] Fix PR35342	2017-11-17 20:38:25 +00:00
LoadStoreVectorizer	Add an @llvm.sideeffect intrinsic	2017-11-08 21:59:51 +00:00
LoopDataPrefetch
LoopDeletion
LoopDistribute
LoopIdiom	Add an @llvm.sideeffect intrinsic	2017-11-08 21:59:51 +00:00
LoopInterchange	[LoopInterchange] Fix phi node ordering miscompile.	2017-10-21 13:58:37 +00:00
LoopLoadElim
LoopPredication	[Loop Predication] Teach LP about reverse loops	2017-12-04 15:11:48 +00:00
LoopReroll
LoopRotate	Fix llvm/test/Transforms/LoopRotate/pr35210.ll in rL318237, it uses debug options.	2017-11-15 06:46:58 +00:00
LoopSimplify	[SCEV] Teach SCEV to find maxBECount when loop endbound is variant	2017-10-13 14:30:43 +00:00
LoopSimplifyCFG
LoopStrengthReduce	LSR: Check more intrinsic pointer operands	2017-12-11 21:38:43 +00:00
LoopUnroll	loop-unroll: teach remapInstruction to update dbg.value intrinsics.	2017-11-01 23:12:35 +00:00
LoopUnswitch	[LoopUnswitch] Fix a simple bug which disables loop unswitch for select statement	2017-08-29 21:45:11 +00:00
LoopVectorize	[LV] Ignore the cost of values that will not appear in the vectorized loop	2017-12-12 08:57:43 +00:00
LoopVersioning
LoopVersioningLICM
LowerAtomic	LowerAtomic: Don't skip optnone functions; atomic still need lowering (PR34020)	2017-08-23 15:43:28 +00:00
LowerExpectIntrinsic
LowerGuardIntrinsic
LowerInvoke
LowerSwitch
LowerTypeTests	Current implementation of Value::replaceUsesExceptBlockAddr() uses UseList	2017-11-17 00:30:24 +00:00
Mem2Reg	[Debugify] Add a pass to test debug info preservation	2017-12-08 21:57:28 +00:00
MemCpyOpt	Revert r319482 and r319483 "[memcpyopt] Teach memcpyopt to optimize across basic blocks"	2017-12-06 01:47:55 +00:00
MergeFunc	[TailRecursionElimination] Skip debug intrinsics.	2017-11-28 09:32:25 +00:00
MergeICmps	Re-land "[MergeICmps] Disable mergeicmps if the target does not want to handle memcmp expansion."	2017-10-10 08:00:45 +00:00
MetaRenamer
NameAnonGlobals
NaryReassociate
NewGVN	Hardware-assisted AddressSanitizer (llvm part).	2017-12-09 00:21:41 +00:00
ObjCARC	ObjCARC: do not increment past the end of the BB	2017-10-24 00:09:10 +00:00
PartiallyInlineLibCalls	[PartiallyInlineLibCalls][x86] add TTI hook to allow sqrt inlining to depend on arg rather than result	2017-11-27 21:15:43 +00:00
PGOProfile	Revert r320104: infinite loop profiling bug fix	2017-12-08 19:38:07 +00:00
PhaseOrdering	[PassManager, SimplifyCFG] add test for PR34603 / D38566; NFC	2017-11-15 16:37:30 +00:00
PlaceSafepoints
PreISelIntrinsicLowering
PruneEH
Reassociate	[Reassociation] regenerate test checks; NFC	2017-11-13 19:46:28 +00:00
Reg2Mem
RewriteStatepointsForGC	Strip off invariant.start because memory locations arent invariant	2017-11-02 18:24:04 +00:00
SafeStack	Parse and print DIExpressions inline to ease IR and MIR testing	2017-08-23 20:31:27 +00:00
SampleProfile	Include already promoted counts when computing SUM for VP.	2017-11-06 19:52:49 +00:00
Scalarizer
SCCP	[SCCP] Pick the right lattice value for constants.	2017-11-22 03:04:55 +00:00
SeparateConstOffsetFromGEP
SimpleLoopUnswitch	[PM/Unswitch] Teach SimpleLoopUnswitch to do non-trivial unswitching,	2017-11-17 19:58:36 +00:00
SimplifyCFG	Hardware-assisted AddressSanitizer (llvm part).	2017-12-09 00:21:41 +00:00
Sink
SLPVectorizer	Revert r319531 "[SLPVectorizer] Failure to beneficially vectorize 'copyable' elements in integer binary ops."	2017-12-01 16:17:24 +00:00
SpeculateAroundPHIs	Add a new pass to speculate around PHI nodes with constant (integer) operands when profitable.	2017-11-28 11:32:31 +00:00
SpeculativeExecution
SROA	Recommit rL319407: [SROA] enable splitting for non-whole-alloca loads and stores	2017-12-01 06:05:05 +00:00
StraightLineStrengthReduce
StripDeadPrototypes
StripSymbols	Canonicalize the representation of empty an expression in DIGlobalVariableExpression	2017-08-30 18:06:51 +00:00
StructurizeCFG	[Dominators] Include infinite loops in PostDominatorTree	2017-08-15 18:14:57 +00:00
TailCallElim	Remove this test	2017-11-28 22:39:38 +00:00
ThinLTOBitcodeWriter	ThinLTOBitcodeWriter: Try harder to discard unused references to the merged module.	2017-11-30 23:05:52 +00:00
Util	[InstCombine] Add a flag to disable LowerDbgDeclare	2017-09-13 01:43:25 +00:00
WholeProgramDevirt	[LTO][ThinLTO] Use the linker resolutions to mark global values as dso_local.	2017-11-04 17:04:39 +00:00