Sanjoy Das 12e624f251 [SCEV] Check the cache in get{S|U}MaxExpr before doing any work ...

Summary:
This lets us avoid e.g. checking if A >=s B in getSMaxExpr(A, B) if we've
already established that (A smax B) is the best we can do.

Fixes PR41225.

Reviewers: asbirlea

Subscribers: mcrosier, jlebar, bixia, jdoerfert, llvm-commits

Tags: #llvm

Differential Revision: https://reviews.llvm.org/D60010

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@357320 91177308-0d34-0410-b5e6-96231b3b80d8

2019-03-29 22:00:12 +00:00

..

AliasSet

[Analysis] Make LocationSize pretty-printing more descriptive

2018-10-10 01:35:22 +00:00

AssumptionCache

Add files I seem to have dropped in my revert (r290086).

2016-12-19 08:32:13 +00:00

BasicAA

[BasicAA] Support arbitrary pointer sizes (and fix an overflow bug)

2019-01-02 16:28:09 +00:00

BlockFrequencyInfo

[BFI] Use rounding while computing profile counts.

2018-08-16 00:26:59 +00:00

BranchProbabilityInfo

[BPI] Look through bitcasts in calcZeroHeuristic

2019-02-15 11:50:21 +00:00

CallGraph

Remove alignment argument from memcpy/memmove/memset in favour of alignment attributes (Step 1)

2018-01-19 17:13:12 +00:00

CFLAliasAnalysis

Revert r332657: "[AA] cfl-anders-aa with field sensitivity"

2018-05-17 21:56:39 +00:00

ConstantFolding

[ConstantFolding] Fold undef for integer intrinsics

2019-01-11 21:18:00 +00:00

CostModel

[TTI] getMemcpyCost

2019-03-20 14:15:46 +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

[DA][NewPM] Handle transitive dependencies in the new-pm version of DA

2019-02-03 12:25:41 +00:00

DivergenceAnalysis

[AMDGPU] Add support for 64 bit buffer atomic artihmetic instructions

2019-03-06 17:02:06 +00:00

DominanceFrontier

IR: Support parsing numeric block ids, and emit them in textual output.

2019-03-22 18:27:13 +00:00

Dominators

[Dominators] Don't compute DFS InOut numbers eagerly.

2017-06-30 01:28:21 +00:00

GlobalsModRef

[DebugInfo] Add DILabel metadata and intrinsic llvm.dbg.label.

2018-05-09 02:40:45 +00:00

IVUsers

Re-apply "[SCEV] Strengthen StrengthenNoWrapFlags (reapply r334428)."

2018-07-13 23:58:46 +00:00

LazyCallGraph

[LCG] Spell the printing pass pipeline name for the lazy call graph

2016-03-10 11:24:06 +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] Upgrade uses of MemoryIntrinic::getAlignment() to new API. (NFCI)

2018-01-31 16:42:15 +00:00

LoopAccessAnalysis

[LV] Avoid vectorizing unsafe dependencies in uniform address

2018-11-19 15:39:59 +00:00

LoopInfo

Introduce llvm.loop.parallel_accesses and llvm.access.group metadata.

2018-12-20 04:58:07 +00:00

MemoryDependenceAnalysis

[MemDep] Fixed handling of invariant.group

2018-05-18 22:40:34 +00:00

MemorySSA

[MemorySSA] Limit clobber walks.

2019-03-29 21:56:09 +00:00

MustExecute

[MustExecute] Fix algorithmic bug in isGuaranteedToExecute. PR38514

2018-08-17 06:19:17 +00:00

PhiValues

Add a PhiValuesAnalysis pass to calculate the underlying values of phis

2018-06-28 14:13:06 +00:00

PostDominators

[Dominators] Include infinite loops in PostDominatorTree

2017-08-15 18:14:57 +00:00

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

[SCEV] Check the cache in get{S|U}MaxExpr before doing any work

2019-03-29 22:00:12 +00:00

ScopedNoAliasAA

[ScopedNoAliasAA] Make test basic.ll less confusing

2016-03-07 17:49:10 +00:00

StackSafetyAnalysis

[stack-safety] Inter-Procedural Analysis implementation

2018-11-26 23:05:58 +00:00

TypeBasedAliasAnalysis

[FunctionAttrs] Infer WriteOnly Function Attribute

2018-08-23 15:05:22 +00:00

ValueTracking

[ValueTracking] Adjust comment in test

2019-01-07 21:02:22 +00:00

alias-analysis-uses.ll

Add an "addUsedAAAnalyses" helper function

2016-02-09 01:21:57 +00:00