James Molloy 6672aa9478 [DemandedBits] Fix computation of demanded bits for ICmps ...

The computation of ICmp demanded bits is independent of the individual operand being evaluated. We simply return a mask consisting of the minimum leading zeroes of both operands.

We were incorrectly passing "I" to ComputeKnownBits - this should be "UserI->getOperand(0)". In cases where we were evaluating the 1th operand, we were taking the minimum leading zeroes of it and itself.

This should fix PR26266.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@258690 91177308-0d34-0410-b5e6-96231b3b80d8

2016-01-25 14:49:36 +00:00

..

AssumptionCache

[PM] Actually add the new pass manager support for the assumption cache.

2015-01-22 21:53:09 +00:00

BasicAA

[BasicAA] Remove special casing of memset_pattern16 in favor of generic attribute inference

2016-01-06 04:53:16 +00:00

BlockFrequencyInfo

Use getEdgeProbability() instead of getEdgeWeight() in BFI and remove getEdgeWeight() interfaces from MBPI.

2015-12-18 21:53:24 +00:00

BranchProbabilityInfo

[BPI] Replace weights by probabilities in BPI.

2015-12-22 18:56:14 +00:00

CallGraph

[gc.statepoint] Change gc.statepoint intrinsic's return type to token type instead of i32 type

2015-12-26 07:54:32 +00:00

CFLAliasAnalysis

[PM/AA] Rebuild LLVM's alias analysis infrastructure in a way compatible

2015-09-09 17:55:00 +00:00

CostModel

Implemented cost model for masked gather and scatter operations

2015-12-28 20:10:59 +00:00

Delinearization

[SCEV] Mark AddExprs as nsw or nuw if legal

2015-10-22 19:57:19 +00:00

DemandedBits

[DemandedBits] Fix computation of demanded bits for ICmps

2016-01-25 14:49:36 +00:00

DependenceAnalysis

Revert "Change memcpy/memset/memmove to have dest and source alignments."

2015-11-19 05:56:52 +00:00

DivergenceAnalysis

AMDGPU/SI: Fix implemenation of isSourceOfDivergence() for graphics shaders

2015-12-19 02:54:15 +00:00

Dominators

Move the personality function from LandingPadInst to Function

2015-06-17 20:52:32 +00:00

GlobalsModRef

[GlobalsAA] Relax condition in checking globals as args to functions

2016-01-14 08:46:45 +00:00

LazyCallGraph

[gc.statepoint] Change gc.statepoint intrinsic's return type to token type instead of i32 type

2015-12-26 07:54:32 +00:00

Lint

[WinEH] Delete the old landingpad implementation of Windows EH

2015-10-09 23:34:53 +00:00

LoopAccessAnalysis

[Vectorization] Actually return from error case in isStridedPtr

2016-01-08 01:55:13 +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

FileCheck-ize tests.

2013-08-22 00:51:19 +00:00

RegionInfo

[tests] Cleanup initialization of test suffixes.

2013-08-16 00:37:11 +00:00

ScalarEvolution

Revert "Change memcpy/memset/memmove to have dest and source alignments."

2015-11-19 05:56:52 +00:00

ScopedNoAliasAA

[Testsuite] Renumber metadata in ScopedNoAliasAA test to match CHECK lines

2015-05-11 09:10:14 +00:00

TypeBasedAliasAnalysis

Revert "Change memcpy/memset/memmove to have dest and source alignments."

2015-11-19 05:56:52 +00:00

ValueTracking

Revert "[ValueTracking] Understand more select patterns in ComputeKnownBits"

2016-01-14 15:49:32 +00:00