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Roman Lebedev 7ee6c40247
Revert "Reland "[SCEV] Model ptrtoint(SCEVUnknown) cast not as unknown, but as zext/trunc/self of SCEVUnknown"" and it's follow-ups 
While we haven't encountered an earth-shattering problem with this yet,
by now it is pretty evident that trying to model the ptr->int cast
implicitly leads to having to update every single place that assumed
no such cast could be needed. That is of course the wrong approach.

Let's back this out, and re-attempt with some another approach,
possibly one originally suggested by Eli Friedman in
https://bugs.llvm.org/show_bug.cgi?id=46786#c20
which should hopefully spare us this pain and more.

This reverts commits 1fb6104293,
7324616660,
aaafe350bb,
e92a8e0c74.

I've kept&improved the tests though.
 		2020-10-14 16:09:18 +03:00
..
AliasSet [NewPM] Port -print-alias-sets to NPM 2020-09-16 18:34:56 -07:00
AssumptionCache
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BasicAA Revert "[DSE] Switch to MemorySSA-backed DSE by default." 2020-09-26 18:35:27 +01:00
BlockFrequencyInfo [NewPM] Pin -lazy-branch-prob and -lazy-block-freq tests to legacy PM 2020-09-21 17:51:46 -07:00
BranchProbabilityInfo [NewPM] Pin -lazy-branch-prob and -lazy-block-freq tests to legacy PM 2020-09-21 17:51:46 -07:00
CFLAliasAnalysis [BasicAA] Rename -disable-basicaa to -disable-basic-aa to be consistent with the canonical name "basic-aa" 2020-06-26 20:55:44 -07:00
CallGraph [test][NewPM] Pin do-nothing-intrinsic.ll to legacy PM 2020-09-22 11:33:38 -07:00
CostModel [CostModel] rearrange basic intrinsic cost implementation 2020-10-13 11:52:00 -04:00
DDG [DDG] Data Dependence Graph - Graph Simplification 2020-02-19 13:41:51 -05:00
Delinearization [Delinearization][NewPM] Port delinearization to NPM 2020-09-21 17:59:08 -07:00
DemandedBits [DemandedBits][NewPM] Pin some tests to legacy PM 2020-09-15 11:55:58 -07:00
DependenceAnalysis [DependenceAnalysis][NewPM] Fix tests to work under NPM 2020-09-15 11:11:23 -07:00
DivergenceAnalysis [DA][SDA] SyncDependenceAnalysis re-write 2020-09-30 17:36:26 +02:00
DominanceFrontier
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Dominators [Dominators][NewPM] Pin tests with -analyze to legacy PM 2020-09-15 11:59:00 -07:00
FunctionPropertiesAnalysis Add new function properties to FunctionPropertiesAnalysis 2020-07-23 12:46:47 -07:00
GlobalsModRef [test][NewPM] Make dead-uses.ll work under NPM 2020-10-06 07:33:02 -07:00
IRSimilarityIdentifier [IRSim] Adding wrapper pass for IRSimilarityIdentfier 2020-09-24 14:59:41 -05:00
IVUsers [NPM][IVUsers] Rename ivusers -> iv-users 2020-07-15 09:38:21 -07:00
LazyCallGraph [Tests] Migrate a number of tests to gc-live bundle representation 2020-06-05 16:44:04 -07:00
LazyValueAnalysis [LVI] Don't require DominatorTree in LVI (NFC) 2020-05-19 20:21:46 +02:00
LegacyDivergenceAnalysis Verifier: Disallow byval and similar for AMDGPU calling conventions 2020-07-20 10:58:57 -04:00
Lint [Lint] Add check for intrinsic get.active.lane.mask 2020-09-17 09:22:03 +01:00
LoopAccessAnalysis [LoopAccessAnalysis][NewPM] Fix tests to work under NPM 2020-09-15 11:06:47 -07:00
LoopCacheAnalysis/PowerPC [LoopCacheAnalysis]: Add support for negative stride 2020-02-10 13:22:35 -05:00
LoopInfo [LoopInfo][NewPM] Fix tests in Analysis/LoopInfo under NPM 2020-09-22 11:31:00 -07:00
LoopNestAnalysis [LoopNest] False negative of `arePerfectlyNested` with LCSSA loops 2020-08-25 16:20:52 +00:00
MemoryDependenceAnalysis [BasicAA] Rename deprecated -basicaa to -basic-aa 2020-06-26 20:41:37 -07:00
MemorySSA [LSR] Preserve MSSA when using SplitCriticalEdge. 2020-09-21 09:51:26 +01:00
MustExecute Infer alignment of unmarked loads in IR/bitcode parsing. 2020-05-14 13:03:50 -07:00
PhiValues
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PostDominators [PostDominators][NewPM] Fix tests to work under NPM 2020-09-15 11:19:01 -07:00
ProfileSummary
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RegionInfo [RegionInfo][NewPM] Fix RegionInfo tests to work under NPM 2020-09-15 11:12:14 -07:00
ScalarEvolution Revert "Reland "[SCEV] Model ptrtoint(SCEVUnknown) cast not as unknown, but as zext/trunc/self of SCEVUnknown"" and it's follow-ups 2020-10-14 16:09:18 +03:00
ScopedNoAliasAA Rename scoped-noalias -> scoped-noalias-aa 2020-07-24 12:14:27 -07:00
StackSafetyAnalysis [StackSafety] Ignore allocas with partial lifetime markers 2020-08-27 13:54:41 -07:00
TypeBasedAliasAnalysis Mark masked.{store,scatter,compressstore} intrinsics as write-only 2020-09-09 17:28:21 -05:00
ValueTracking Fix tests after 16f777f421 2020-07-14 22:52:26 +02:00
alias-analysis-uses.ll [NewPM] Pin tests with -debug-pass to legacy PM 2020-09-22 17:54:25 -07:00