Jonas Paulsson 7777cbe23a [SystemZ::TTI] Return zero cost for ICmp that becomes Load And Test. ...

A loaded value with multiple users compared with 0 will become a load and
test single instruction. The load is not folded in this case (multiple
users), but the compare instruction is eliminated.

This patch returns 0 cost for the icmp in these cases.

Review: Ulrich Weigand
https://reviews.llvm.org/D55111

llvm-svn: 348141

2018-12-03 14:30:18 +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

[PPC] Remove Darwin support from POWER backend.

2018-08-28 01:18:29 +00:00

BlockFrequencyInfo

[BFI] Use rounding while computing profile counts.

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

BranchProbabilityInfo

[BPI] Apply invoke heuristic before loop branch heuristic

2018-06-08 13:03:21 +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] Add support for saturating add/sub

2018-11-20 17:05:55 +00:00

CostModel

[SystemZ::TTI] Return zero cost for ICmp that becomes Load And Test.

2018-12-03 14:30:18 +00:00

Delinearization

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

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

DemandedBits

[DemandedBits] Add support for funnel shifts

2018-11-26 15:36:57 +00:00

DependenceAnalysis

[DA] Delinearise AddRecs if we can prove they don't wrap

2018-06-25 15:13:26 +00:00

DivergenceAnalysis

[DA] GPUDivergenceAnalysis for unstructured GPU kernels

2018-11-30 22:55:20 +00:00

DominanceFrontier

…

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: Fix tests using old number for constant address space

2018-09-10 02:54:25 +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

…

MemoryDependenceAnalysis

[MemDep] Fixed handling of invariant.group

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

MemorySSA

llvm: Add support for "-fno-delete-null-pointer-checks"

2018-07-09 22:27:23 +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

[Dominators] Include infinite loops in PostDominatorTree

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

ScalarEvolution

[test] Fix ScalarEvolution test to allow __func__ with prototype

2018-12-02 16:49:28 +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

InstCombine: move hasOneUse check to the top of foldICmpAddConstant

2018-09-10 14:26:44 +00:00

alias-analysis-uses.ll

…