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Sanjoy Das 33ef65354e [ScalarEvolution] Fix PR24757. 
Summary:
PR24757 was caused by some incorect math in
`ScalarEvolution::HowFarToZero` -- the smallest unsigned solution for X
in

  2^N * A = 2^N * X

is not necessarily A.

Reviewers: atrick, majnemer, meheff

Subscribers: llvm-commits, sanjoy

Differential Revision: http://reviews.llvm.org/D12721

llvm-svn: 247242
2015-09-10 05:27:38 +00:00
..
AssumptionCache [PM] Actually add the new pass manager support for the assumption cache. 2015-01-22 21:53:09 +00:00
BasicAA [PM/AA] Rebuild LLVM's alias analysis infrastructure in a way compatible 2015-09-09 17:55:00 +00:00
BlockFrequencyInfo Fix PR 24723 - Handle 0-mass backedges in irreducible loops 2015-09-08 19:22:17 +00:00
BranchProbabilityInfo Fix information loss in branch probability computation. 2015-05-07 17:22:06 +00:00
CallGraph [CallGraph] Given -print-callgraph a stable printing order. 2015-06-19 23:20:31 +00:00
CFLAliasAnalysis [PM/AA] Rebuild LLVM's alias analysis infrastructure in a way compatible 2015-09-09 17:55:00 +00:00
CostModel [CostModel][AArch64] Remove amortization factor for some of the vector select instructions 2015-09-09 15:35:02 +00:00
Delinearization [SCEV] Apply NSW and NUW flags via poison value analysis for sub, mul and shl 2015-08-14 22:45:26 +00:00
DependenceAnalysis [PM/AA] Rebuild LLVM's alias analysis infrastructure in a way compatible 2015-09-09 17:55:00 +00:00
DivergenceAnalysis/NVPTX Divergence analysis for GPU programs 2015-04-10 05:03:50 +00:00
Dominators Move the personality function from LandingPadInst to Function 2015-06-17 20:52:32 +00:00
GlobalsModRef [PM/AA] Rebuild LLVM's alias analysis infrastructure in a way compatible 2015-09-09 17:55:00 +00:00
LazyCallGraph [LazyCallGraph] Port test case from r240039 to LCG. 2015-07-02 02:03:58 +00:00
Lint Move the personality function from LandingPadInst to Function 2015-06-17 20:52:32 +00:00
LoopAccessAnalysis [LAA] Fix typo in test 2015-08-11 23:03:09 +00:00
LoopInfo [PM] Port LoopInfo to the new pass manager, adding both a LoopAnalysis 2015-01-20 10:58:50 +00:00
MemoryDependenceAnalysis [MDA] change BlockScanLimit into a command line option. 2015-07-21 21:50:39 +00:00
PostDominators
RegionInfo
ScalarEvolution [ScalarEvolution] Fix PR24757. 2015-09-10 05:27:38 +00:00
ScopedNoAliasAA [Testsuite] Renumber metadata in ScopedNoAliasAA test to match CHECK lines 2015-05-11 09:10:14 +00:00
TypeBasedAliasAnalysis [PM/AA] Rebuild LLVM's alias analysis infrastructure in a way compatible 2015-09-09 17:55:00 +00:00
ValueTracking Take alignment into account in isSafeToSpeculativelyExecute and isSafeToLoadUnconditionally. 2015-08-17 15:54:26 +00:00