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Alina Sbirlea 2c5e6646ef [MemorySSA] Update Phi insertion. 
Summary:
MemoryPhis may be needed following a Def insertion inthe IDF of all the
new accesses added (phis + potentially a def). Ensure this also  occurs when
only the new MemoryPhis are the defining accesses.

Note: The need for computing IDF here is because of new Phis added with
edges incoming from unreachable code, Phis that had previously been
simplified. The preferred solution is to not reintroduce such Phis.
This patch is the needed fix while working on the preferred solution.

Reviewers: george.burgess.iv

Subscribers: Prazek, sanjoy.google, llvm-commits

Tags: #llvm

Differential Revision: https://reviews.llvm.org/D67927

llvm-svn: 372673
 		2019-09-23 23:50:16 +00:00
..
AliasSet [Analysis] Make LocationSize pretty-printing more descriptive 2018-10-10 01:35:22 +00:00
AssumptionCache
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BasicAA [SimplifyLibCalls] Mark known arguments with nonnull 2019-09-17 09:32:52 +00:00
BlockFrequencyInfo [BFI] Use rounding while computing profile counts. 2018-08-16 00:26:59 +00:00
BranchProbabilityInfo [BPI] Adjust the probability for floating point unordered comparison 2019-09-10 17:25:11 +00:00
CFLAliasAnalysis [CFLGraph] Add support for unary fneg instruction. 2019-06-06 19:21:23 +00:00
CallGraph Revert "[CallGraph] Refine call graph for indirect calls with !callees metadata" 2019-08-16 10:59:18 +00:00
ConstantFolding [ConstantFolding] Expand folding of some library functions 2019-09-12 21:23:22 +00:00
CostModel [Cost][X86] Add more missing vector truncation costs 2019-09-22 16:46:15 +00:00
DDG Data Dependence Graph Basics 2019-09-18 17:43:45 +00:00
Delinearization Re-apply "[SCEV] Strengthen StrengthenNoWrapFlags (reapply r334428)." 2018-07-13 23:58:46 +00:00
DemandedBits Reapply "[DemandedBits][BDCE] Support vectors of integers" 2018-12-07 15:38:13 +00:00
DependenceAnalysis [NFC] Test commit access 2019-09-16 20:44:15 +00:00
DivergenceAnalysis [SDA] Don't stop divergence propagation at the IPD. 2019-09-18 13:40:22 +00:00
DominanceFrontier IR: Support parsing numeric block ids, and emit them in textual output. 2019-03-22 18:27:13 +00:00
Dominators
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GlobalsModRef
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IVUsers Re-apply "[SCEV] Strengthen StrengthenNoWrapFlags (reapply r334428)." 2018-07-13 23:58:46 +00:00
LazyCallGraph Revert "[CallGraph] Refine call graph for indirect calls with !callees metadata" 2019-08-16 10:59:18 +00:00
LazyValueAnalysis [LVI] run transfer function for binary operator even when the RHS isn't a constant 2018-11-21 05:24:12 +00:00
LegacyDivergenceAnalysis [AMDGPU] Add support for 64 bit buffer atomic artihmetic instructions 2019-03-06 17:02:06 +00:00
Lint [Lint] Permit aliasing noalias readonly arguments 2019-04-23 23:43:47 +00:00
LoopAccessAnalysis Revert "[IRBuilder] Fold consistently for or/and whether constant is LHS or RHS" 2019-07-07 22:12:01 +00:00
LoopCacheAnalysis/PowerPC Title: Improve Loop Cache Analysis LIT tests. 2019-08-09 16:18:22 +00:00
LoopInfo Introduce llvm.loop.parallel_accesses and llvm.access.group metadata. 2018-12-20 04:58:07 +00:00
MemoryDependenceAnalysis [AliasAnalysis/NewPassManager] Invalidate AAManager less often. 2019-04-30 22:15:47 +00:00
MemorySSA [MemorySSA] Update Phi insertion. 2019-09-23 23:50:16 +00:00
MustExecute [MustExec] Add a generic "must-be-executed-context" explorer 2019-08-23 15:17:27 +00:00
PhiValues Add a PhiValuesAnalysis pass to calculate the underlying values of phis 2018-06-28 14:13:06 +00:00
PostDominators
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ProfileSummary [ProfileSummary] Add options to override hot and cold count thresholds. 2018-11-02 17:39:31 +00:00
RegionInfo IR: Support parsing numeric block ids, and emit them in textual output. 2019-03-22 18:27:13 +00:00
ScalarEvolution [Analysis] Allow -scalar-evolution-max-iterations more than once 2019-09-19 18:21:32 +00:00
ScopedNoAliasAA
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StackSafetyAnalysis [stack-safety] Inter-Procedural Analysis implementation 2018-11-26 23:05:58 +00:00
TypeBasedAliasAnalysis [SimplifyLibCalls] Mark known arguments with nonnull 2019-09-17 09:32:52 +00:00
ValueTracking [IR][Verifier] Allow IntToPtrInst to be !dereferenceable 2019-07-23 17:19:56 +00:00
alias-analysis-uses.ll
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