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llvm-mirror/test/Analysis
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Justin Lebar c8a4e60a71 Convert an APInt to int64_t properly in TTI::getGEPCost(). 
Summary:
If the pointer width is 32 bits and the calculated GEP offset is
negative, we call APInt::getLimitedValue(), which does a
*zero*-extension of the offset.  That's wrong -- we should do an sext.

Fixes a bug introduced in rL314362 and found by Evgeny Astigeevich.

Reviewers: efriedma

Subscribers: sanjoy, javed.absar, llvm-commits, eastig

Differential Revision: https://reviews.llvm.org/D38557

llvm-svn: 314935
2017-10-04 20:47:33 +00:00
..
AliasSet Use WeakVH instead of WeakTrackingVH in AliasSetTracker's UnkownInsts 2017-05-01 17:07:56 +00:00
AssumptionCache
BasicAA Make shell redirection construct portable 2017-07-12 13:24:46 +00:00
BlockFrequencyInfo
BranchProbabilityInfo [BPI] Don't assume that strcmp returning >0 is more likely than <0 2017-06-08 09:44:40 +00:00
CallGraph
CFLAliasAnalysis [CFLAA] Add missing break; note things are broken. 2017-05-31 02:35:26 +00:00
ConstantFolding [InstSimplify] Constant fold the new GEP in SimplifyGEPInst. 2017-06-06 10:17:14 +00:00
CostModel Convert an APInt to int64_t properly in TTI::getGEPCost(). 2017-10-04 20:47:33 +00:00
Delinearization [SCEV] Assume parameters coming from function calls contain IVs 2017-05-27 15:17:49 +00:00
DemandedBits [Analysis] Support bitreverse in -demanded-bits pass 2017-04-13 16:44:25 +00:00
DependenceAnalysis [DependenceAnalysis] Make sure base objects are the same when comparing GEPs 2017-07-05 21:35:47 +00:00
DivergenceAnalysis AMDGPU: Change DivergenceAnalysis for function arguments 2017-04-19 17:42:34 +00:00
DominanceFrontier
Dominators [Dominators] Don't compute DFS InOut numbers eagerly. 2017-06-30 01:28:21 +00:00
GlobalsModRef [PassManager] Retire cl::opt that have been set for a while. NFCI. 2017-10-02 23:39:20 +00:00
IVUsers Re-enable "[SCEV] Do not fold dominated SCEVUnknown into AddRecExpr start" 2017-05-26 06:47:04 +00:00
LazyCallGraph
LazyValueAnalysis Revert r314435: "[JumpThreading] Preserve DT and LVI across the pass" 2017-09-30 11:57:19 +00:00
Lint [Lint] Avoid failed assertion by fetching the proper pointer type 2017-10-03 06:03:49 +00:00
LoopAccessAnalysis [LAA] Allow more run-time alias checks by coercing pointer expressions to AddRecExprs 2017-09-12 07:48:22 +00:00
LoopInfo
MemoryDependenceAnalysis
MemorySSA Remove readnone from invariant.group.barrier 2017-04-12 20:45:12 +00:00
PostDominators [Dominators] Include infinite loops in PostDominatorTree 2017-08-15 18:14:57 +00:00
ProfileSummary
RegionInfo [Dominators] Include infinite loops in PostDominatorTree 2017-08-15 18:14:57 +00:00
ScalarEvolution [SCEV] Add URem support to SCEV 2017-09-01 14:59:59 +00:00
ScopedNoAliasAA
TypeBasedAliasAnalysis [BasicAA] Use MayAlias instead of PartialAlias for fallback. 2017-06-21 18:25:37 +00:00
ValueTracking [ValueTracking] Don't delete assumes of side-effectful instructions 2017-08-14 17:11:43 +00:00
alias-analysis-uses.ll