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llvm-project/llvm/lib/Transforms/Scalar
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Reid Kleckner a0b45f4bfc [IR] Abstract away ArgNo+1 attribute indexing as much as possible 
Summary:
Do three things to help with that:
- Add AttributeList::FirstArgIndex, which is an enumerator currently set
  to 1. It allows us to change the indexing scheme with fewer changes.
- Add addParamAttr/removeParamAttr. This just shortens addAttribute call
  sites that would otherwise need to spell out FirstArgIndex.
- Remove some attribute-specific getters and setters from Function that
  take attribute list indices.  Most of these were only used from
  BuildLibCalls, and doesNotAlias was only used to test or set if the
  return value is malloc-like.

I'm happy to split the patch, but I think they are probably easier to
review when taken together.

This patch should be NFC, but it sets the stage to change the indexing
scheme to this, which is more convenient when indexing into an array:
  0: func attrs
  1: retattrs
  2...: arg attrs

Reviewers: chandlerc, pete, javed.absar

Subscribers: david2050, llvm-commits

Differential Revision: https://reviews.llvm.org/D32811

llvm-svn: 302060
 		2017-05-03 18:17:31 +00:00
..
ADCE.cpp [ADCE] Remove redundent code [NFC] 2017-03-16 03:59:23 +00:00
AlignmentFromAssumptions.cpp [PH] Replace uses of AssertingVH from members of analysis results with 2017-01-24 12:55:57 +00:00
BDCE.cpp [PM] Introduce an analysis set used to preserve all analyses over 2017-01-15 06:32:49 +00:00
CMakeLists.txt [PM/LoopUnswitch] Introduce a new, simpler loop unswitch pass. 2017-04-27 18:45:20 +00:00
ConstantHoisting.cpp [ConstHoisting] Add BFI in constanthoisting pass and select the best insertion 2017-04-21 15:50:16 +00:00
ConstantProp.cpp Don't remove side effecting instructions due to ConstantFoldInstruction 2016-07-22 04:54:44 +00:00
CorrelatedValuePropagation.cpp [IR] Abstract away ArgNo+1 attribute indexing as much as possible 2017-05-03 18:17:31 +00:00
DCE.cpp [PM] Introduce an analysis set used to preserve all analyses over 2017-01-15 06:32:49 +00:00
DeadStoreElimination.cpp Cleanup in preparation for D30703. NFCI 2017-03-29 14:42:27 +00:00
EarlyCSE.cpp Kill off the old SimplifyInstruction API by converting remaining users. 2017-04-28 19:55:38 +00:00
FlattenCFGPass.cpp
…
Float2Int.cpp [PM] Introduce an analysis set used to preserve all analyses over 2017-01-15 06:32:49 +00:00
GVN.cpp Kill off the old SimplifyInstruction API by converting remaining users. 2017-04-28 19:55:38 +00:00
GVNHoist.cpp [GVNHoist] Mark GlobalsAA as preserved by GVNHoist. 2017-04-18 13:25:49 +00:00
GuardWidening.cpp [ValueTracking] Introduce a KnownBits struct to wrap the two APInts for computeKnownBits 2017-04-26 16:39:58 +00:00
IVUsersPrinter.cpp [PM] Separate the LoopAnalysisManager from the LoopPassManager and move 2017-01-11 09:43:56 +00:00
IndVarSimplify.cpp Rename WeakVH to WeakTrackingVH; NFC 2017-05-01 17:07:49 +00:00
InductiveRangeCheckElimination.cpp [IRCE] Add a missing invariant check 2017-02-07 23:59:07 +00:00
InferAddressSpaces.cpp Rename WeakVH to WeakTrackingVH; NFC 2017-05-01 17:07:49 +00:00
JumpThreading.cpp Take indirect branch into account as well when folding. 2017-05-01 17:15:37 +00:00
LICM.cpp Revert "Compute safety information in a much finer granularity." 2017-04-24 18:25:07 +00:00
LLVMBuild.txt
…
LoadCombine.cpp [LoadCombine] Avoid analysing dead basic blocks 2017-04-12 08:07:55 +00:00
LoopAccessAnalysisPrinter.cpp [PM] Separate the LoopAnalysisManager from the LoopPassManager and move 2017-01-11 09:43:56 +00:00
LoopDataPrefetch.cpp Revert @llvm.assume with operator bundles (r289755-r289757) 2016-12-19 08:22:17 +00:00
LoopDeletion.cpp [Loop Deletion] Delete loops that are never executed 2017-05-03 11:47:11 +00:00
LoopDistribute.cpp Add a wrapper around copy_if in STLExtras; NFC 2017-02-21 00:38:44 +00:00
LoopIdiomRecognize.cpp Empty Space. NFC 2017-05-01 23:08:19 +00:00
LoopInstSimplify.cpp Kill off the old SimplifyInstruction API by converting remaining users. 2017-04-28 19:55:38 +00:00
LoopInterchange.cpp Remove inclusion of SSAUpdater from several passes. 2017-01-29 01:55:24 +00:00
LoopLoadElimination.cpp Add a getPointerOperandType() helper to LoadInst and StoreInst; NFC 2017-04-18 22:00:54 +00:00
LoopPassManager.cpp [PM] Teach LoopUnroll to update the LPM infrastructure as it unrolls 2017-01-25 02:49:01 +00:00
LoopPredication.cpp Loop predication expand both sides of the widened condition 2017-02-27 15:44:49 +00:00
LoopRerollPass.cpp [LoopReroll] Prefer hasNUses/hasNUses or more as they're cheaper. NFCI. 2017-04-18 21:42:21 +00:00
LoopRotation.cpp LoopRotate: Fix use after scope bug 2017-04-28 22:05:55 +00:00
LoopSimplifyCFG.cpp Rename WeakVH to WeakTrackingVH; NFC 2017-05-01 17:07:49 +00:00
LoopSink.cpp [PM] Port LoopSink to the new pass manager. 2017-01-20 08:42:19 +00:00
LoopStrengthReduce.cpp Rename WeakVH to WeakTrackingVH; NFC 2017-05-01 17:07:49 +00:00
LoopUnrollPass.cpp [IR] Redesign the case iterator in SwitchInst to actually be an iterator 2017-04-12 07:27:28 +00:00
LoopUnswitch.cpp Rename WeakVH to WeakTrackingVH; NFC 2017-05-01 17:07:49 +00:00
LoopVersioningLICM.cpp [LoopVersioning] Require loop-simplify form for loop versioning. 2016-12-19 17:13:37 +00:00
LowerAtomic.cpp [PM] Remove support for omitting the AnalysisManager argument to new 2016-06-17 00:11:01 +00:00
LowerExpectIntrinsic.cpp [IR] Redesign the case iterator in SwitchInst to actually be an iterator 2017-04-12 07:27:28 +00:00
LowerGuardIntrinsic.cpp [PM] Port LowerGuardIntrinsic to the new PM. 2016-07-28 22:08:41 +00:00
MemCpyOptimizer.cpp Make getParamAlignment use argument numbers 2017-04-28 20:34:27 +00:00
MergedLoadStoreMotion.cpp Remove inclusion of SSAUpdater from several passes. 2017-01-29 01:55:24 +00:00
NaryReassociate.cpp Rename WeakVH to WeakTrackingVH; NFC 2017-05-01 17:07:49 +00:00
NewGVN.cpp [NewGVN] Fix typo and format comment. NFCI. 2017-05-02 21:11:40 +00:00
PartiallyInlineLibCalls.cpp Rename AttributeSet to AttributeList 2017-03-21 16:57:19 +00:00
PlaceSafepoints.cpp Apply clang-tidy's modernize-loop-convert to most of lib/Transforms. 2016-06-26 12:28:59 +00:00
Reassociate.cpp Rename WeakVH to WeakTrackingVH; NFC 2017-05-01 17:07:49 +00:00
Reg2Mem.cpp Apply clang-tidy's modernize-loop-convert to most of lib/Transforms. 2016-06-26 12:28:59 +00:00
RewriteStatepointsForGC.cpp [IR] Abstract away ArgNo+1 attribute indexing as much as possible 2017-05-03 18:17:31 +00:00
SCCP.cpp [IR] Redesign the case iterator in SwitchInst to actually be an iterator 2017-04-12 07:27:28 +00:00
SROA.cpp [SROA] Fix nondeterminism exposed by Simon's r299221. 2017-04-27 23:09:01 +00:00
Scalar.cpp [PM/LoopUnswitch] Introduce a new, simpler loop unswitch pass. 2017-04-27 18:45:20 +00:00
Scalarizer.cpp [Scalarizer] Handle scalar arguments in vector GEP 2017-03-31 06:29:49 +00:00
SeparateConstOffsetFromGEP.cpp Rename isKnownNotFullPoison to programUndefinedIfPoison; NFC 2017-04-30 19:41:19 +00:00
SimpleLoopUnswitch.cpp [PM/LoopUnswitch] Introduce a new, simpler loop unswitch pass. 2017-04-27 18:45:20 +00:00
SimplifyCFGPass.cpp Split the SimplifyCFG pass into two variants. 2017-03-26 06:44:08 +00:00
Sink.cpp Remove unnecessary IDom check 2017-03-20 00:30:19 +00:00
SpeculativeExecution.cpp SpeculativeExecution: Stop using whitelist for costs 2017-05-02 18:02:18 +00:00
StraightLineStrengthReduce.cpp IR: Change the gep_type_iterator API to avoid always exposing the "current" type. 2016-12-02 02:24:42 +00:00
StructurizeCFG.cpp Revert "StructurizeCFG: Directly invert cmp instructions" 2017-04-24 20:25:01 +00:00
TailRecursionElimination.cpp [TRE] Remove dead code 2016-11-07 22:17:37 +00:00