Juneyoung Lee 2b46786139 [ConstantFolding] Fold freeze if it is never undef or poison ...

This is a simple patch that adds constant folding for freeze
instruction.

IIUC, it isn't needed to update ConstantFold.cpp because there is no freeze
constexpr.

Reviewed By: nikic

Differential Revision: https://reviews.llvm.org/D84597

2020-07-26 21:54:44 +09:00

..

AliasSet

[BasicAA] Rename deprecated -basicaa to -basic-aa

2020-06-26 20:41:37 -07:00

AssumptionCache

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

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

BasicAA

[BasicAA] Fix -basicaa-recphi for geps with negative offsets

2020-07-16 17:22:40 +01:00

BlockFrequencyInfo

[BFI] Use rounding while computing profile counts.

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

BranchProbabilityInfo

Extend InvokeInst !prof branch_weights metadata to unwind branches

2020-06-04 15:37:15 +07:00

CallGraph

[CallGraph] Ignore callback uses

2020-07-14 13:08:49 -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

ConstantFolding

[ConstantFolding] Fold freeze if it is never undef or poison

2020-07-26 21:54:44 +09:00

CostModel

[AMDGPU][CostModel] Improve cost estimation for fused {fadd|fsub}(a,fmul(b,c))

2020-07-16 03:06:38 +03:00

DDG

[DDG] Data Dependence Graph - Graph Simplification

2020-02-19 13:41:51 -05:00

Delinearization

[BasicAA] Rename deprecated -basicaa to -basic-aa

2020-06-26 20:41:37 -07:00

DemandedBits

Reapply "[DemandedBits][BDCE] Support vectors of integers"

2018-12-07 15:38:13 +00:00

DependenceAnalysis

[BasicAA] Rename deprecated -basicaa to -basic-aa

2020-06-26 20:41:37 -07:00

DivergenceAnalysis

Verifier: Disallow byval and similar for AMDGPU calling conventions

2020-07-20 10:58:57 -04:00

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

FunctionPropertiesAnalysis

Add new function properties to FunctionPropertiesAnalysis

2020-07-23 12:46:47 -07:00

GlobalsModRef

[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

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] Permit aliasing noalias readonly arguments

2019-04-23 23:43:47 +00:00

LoopAccessAnalysis

[BasicAA] Rename deprecated -basicaa to -basic-aa

2020-06-26 20:41:37 -07:00

LoopCacheAnalysis/PowerPC

[LoopCacheAnalysis]: Add support for negative stride

2020-02-10 13:22:35 -05:00

LoopInfo

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

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

LoopNestAnalysis

[LoopNest]: Analysis to discover properties of a loop nest.

2020-03-03 18:25:19 +00:00

MemoryDependenceAnalysis

[BasicAA] Rename deprecated -basicaa to -basic-aa

2020-06-26 20:41:37 -07:00

MemorySSA

[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

MustExecute

Infer alignment of unmarked loads in IR/bitcode parsing.

2020-05-14 13:03:50 -07:00

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

[Test] Add more simple tests for PR46786

2020-07-22 17:11:26 +07:00

ScopedNoAliasAA

Rename scoped-noalias -> scoped-noalias-aa

2020-07-24 12:14:27 -07:00

StackSafetyAnalysis

[StackSafety] Check variable lifetime

2020-06-22 03:45:29 -07:00

TypeBasedAliasAnalysis

[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

ValueTracking

Fix tests after 16f777f4217cfcdcf6ddce8eb1e3525a65563c43

2020-07-14 22:52:26 +02:00

alias-analysis-uses.ll

Add an "addUsedAAAnalyses" helper function

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