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llvm-mirror/test/Transforms
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Elena Demikhovsky 7866776645 [LoopVectorize] Handling induction variable with non-constant step. 
Allow vectorization when the step is a loop-invariant variable.
This is the loop example that is getting vectorized after the patch:

 int int_inc;
 int bar(int init, int *restrict A, int N) {

  int x = init;
  for (int i=0;i<N;i++){
    A[i] = x;
    x += int_inc;
  }
  return x;
 }

"x" is an induction variable with *loop-invariant* step.
But it is not a primary induction. Primary induction variable with non-constant step is not handled yet.

Differential Revision: http://reviews.llvm.org/D19258

llvm-svn: 269023
2016-05-10 07:33:35 +00:00
..
ADCE [PR27284] Reverse the ownership between DICompileUnit and DISubprogram. 2016-04-15 15:57:41 +00:00
AddDiscriminators Revert http://reviews.llvm.org/D19926 as it breaks tests. 2016-05-05 20:47:53 +00:00
AlignmentFromAssumptions
ArgumentPromotion [ArgumentPromotion] Propagate operand bundles to promoted call sites 2016-04-29 04:56:12 +00:00
AtomicExpand ARM: use a pseudo-instruction for cmpxchg at -O0. 2016-04-18 21:48:55 +00:00
BBVectorize
BDCE
BranchFolding
CodeExtractor
CodeGenPrepare [CodeGenPrepare] Don't sink a cast past its user 2016-04-27 19:36:38 +00:00
ConstantHoisting ARM: don't try to hoist constant RHS out of a division. 2016-04-15 18:17:18 +00:00
ConstantMerge [PM] Port ConstantMerge to the new pass manager. 2016-05-05 00:51:09 +00:00
ConstProp
CorrelatedValuePropagation Remove extra whitespace. NFC. 2016-05-02 16:45:00 +00:00
CrossDSOCFI
DCE Mark guards on true as "trivially dead" 2016-04-29 22:23:16 +00:00
DeadArgElim [DeadArgumentElimination] Propagate operand bundles to promoted call sites 2016-04-29 07:22:36 +00:00
DeadStoreElimination [DeadStoreElimination] Shorten beginning of memset overwritten by later stores 2016-04-22 19:51:29 +00:00
EarlyCSE [EarlyCSE] Simplify guard intrinsics 2016-04-29 21:52:58 +00:00
EliminateAvailableExternally [PM] Port EliminateAvailableExternally pass to the new pass manager. 2016-05-05 02:37:32 +00:00
Float2Int
ForcedFunctionAttrs
FunctionAttrs Don't IPO over functions that can be de-refined 2016-04-08 00:48:30 +00:00
FunctionImport ThinLTO: do not import function whose linkage prevents inlining. 2016-05-03 00:27:28 +00:00
GCOVProfiling DebugInfo: Remove MDString-based type references 2016-04-23 21:08:00 +00:00
GlobalDCE [GlobalDCE, Misc] Don't remove functions referenced by ifuncs 2016-05-04 00:20:48 +00:00
GlobalOpt PM: Port GlobalOpt to the new pass manager 2016-04-26 00:28:01 +00:00
GVN [GVN] PRE of unordered loads 2016-05-06 21:43:51 +00:00
IndVarSimplify [LLVM] Remove unwanted --check-prefix=CHECK from unit tests. NFC. 2016-04-19 23:51:52 +00:00
InferFunctionAttrs [InferAttrs] Mark memset_pattern16 params nocapture. 2016-04-27 19:04:43 +00:00
Inline Don't inline functions with different SafeStack attributes. 2016-05-10 00:33:07 +00:00
InstCombine [InstCombine] Fold icmp eq/ne (udiv i32 A, B), 0 -> icmp ugt/ule B, A. 2016-05-09 19:30:20 +00:00
InstMerge
InstSimplify Introduce llvm.load.relative intrinsic. 2016-04-22 21:18:02 +00:00
Internalize PM: Port Internalize to the new pass manager 2016-04-26 20:15:52 +00:00
IPConstantProp [PM] Port Interprocedural SCCP to the new pass manager. 2016-05-05 21:05:36 +00:00
IRCE
JumpThreading [ValueTracking] Improve isImpliedCondition when the dominating cond is false. 2016-04-25 17:23:36 +00:00
LCSSA
LICM [ValueTracking] Use guards to prove non-nullness of a value 2016-05-10 02:35:44 +00:00
LoadCombine
LoopDataPrefetch [LoopDataPrefetch] Add optimization remark 2016-05-05 00:08:15 +00:00
LoopDeletion Use all_of instead of a raw loop; NFC 2016-05-03 17:50:06 +00:00
LoopDistribute [LoopDist] Add missing RUN line in test from r268006 2016-04-29 07:16:00 +00:00
LoopIdiom [LIR] Set attributes on memset_pattern16. 2016-04-27 19:04:50 +00:00
LoopInterchange
LoopLoadElim
LoopReroll Reroll loops with multiple IV and negative step part 3 2016-04-30 00:51:22 +00:00
LoopRotate PM: Port LoopRotation to the new loop pass manager 2016-05-03 22:02:31 +00:00
LoopSimplify [PR27284] Reverse the ownership between DICompileUnit and DISubprogram. 2016-04-15 15:57:41 +00:00
LoopSimplifyCFG PM: Port LoopSimplifyCFG to the new pass manager 2016-05-03 21:47:32 +00:00
LoopStrengthReduce AMDGPU: Stop reporting an addressing mode for unknown addrspace 2016-04-29 06:25:10 +00:00
LoopUnroll Adding test cases showing the behavior of LoopUnrollPass according to optnone and optsize attributes 2016-05-04 17:45:40 +00:00
LoopUnswitch
LoopVectorize [LoopVectorize] Handling induction variable with non-constant step. 2016-05-10 07:33:35 +00:00
LoopVersioning
LoopVersioningLICM [LoopVersioningLICM] Add test coverage for llvm.loop.licm_versioning.disable 2016-04-22 18:34:50 +00:00
LowerAtomic
LowerBitSets [cfi] Support explicit sections for functions in cfi-icall. 2016-04-15 22:55:38 +00:00
LowerExpectIntrinsic [LowerExpectIntrinsic] make default likely/unlikely ratio bigger 2016-04-26 22:23:38 +00:00
LowerGuardIntrinsic [LowerGuardIntrinsics] Keep track of !make.implicit metadata 2016-04-30 00:55:59 +00:00
LowerInvoke
LowerSwitch
Mem2Reg [PR27284] Reverse the ownership between DICompileUnit and DISubprogram. 2016-04-15 15:57:41 +00:00
MemCpyOpt
MergeFunc MergeFunctions: test alloca better 2016-04-12 00:03:26 +00:00
MetaRenamer
NameAnonFunctions Add a pass to name anonymous/nameless function 2016-04-12 21:35:28 +00:00
NaryReassociate
ObjCARC [PR27284] Reverse the ownership between DICompileUnit and DISubprogram. 2016-04-15 15:57:41 +00:00
PartiallyInlineLibCalls
PGOProfile Fix buildbot failure from r268968. 2016-05-09 22:45:47 +00:00
PhaseOrdering Mark that SpeculativeExecution preserves Globals Alias Analysis. 2016-05-03 08:33:26 +00:00
PlaceSafepoints
PreISelIntrinsicLowering Introduce llvm.load.relative intrinsic. 2016-04-22 21:18:02 +00:00
PruneEH
Reassociate PM: Port Reassociate to the new pass manager 2016-04-26 23:39:29 +00:00
Reg2Mem
RewriteStatepointsForGC [RS4GC] Use SetVector/MapVector instead of DenseSet/DenseMap to guarantee stable ordering 2016-05-04 14:55:36 +00:00
SafeStack DebugInfo: Remove MDString-based type references 2016-04-23 21:08:00 +00:00
SampleProfile Tune basic block annotation algorithm. 2016-04-26 04:59:11 +00:00
Scalarizer [PR27284] Reverse the ownership between DICompileUnit and DISubprogram. 2016-04-15 15:57:41 +00:00
ScalarRepl [PR27284] Reverse the ownership between DICompileUnit and DISubprogram. 2016-04-15 15:57:41 +00:00
SCCP Don't IPO over functions that can be de-refined 2016-04-08 00:48:30 +00:00
SeparateConstOffsetFromGEP
SimplifyCFG [SimplifyCFG] propagate branch metadata when creating select (retry r268550 / r268751 with possible fix) 2016-05-06 18:07:46 +00:00
Sink PM: Port SinkingPass to the new pass manager 2016-04-22 19:54:10 +00:00
SLPVectorizer [SLPVectorizer][X86] Regenerated SEXT/ZEXT cast vectorization tests 2016-05-06 22:22:18 +00:00
SpeculativeExecution Move divergent-target test into CodeGen/NVPTX because it requires an NVPTX target. 2016-04-15 01:20:52 +00:00
SROA [SROA] Function canConvertValue needs to check whether both NewTy and OldTy pointers are 2016-05-03 19:30:48 +00:00
StraightLineStrengthReduce
StripDeadPrototypes
StripSymbols Refactor stripDebugInfo(Function) to handle intrinsic 2016-05-07 04:10:52 +00:00
StructurizeCFG AMDGPU: Remove leftover ShaderType attributes in tests 2016-04-13 00:39:48 +00:00
TailCallElim
Util [BasicAA] Treat llvm.assume as not accessing memory in getModRefBehavior(Function) 2016-04-29 17:18:28 +00:00
WholeProgramDevirt