Tim Northover 0c245b69f7 X86: add costs for 64-bit vector ext/trunc & rebalance ... The most important part of this is probably adding any cost at all for operations like zext <8 x i8> to <8 x i32>. Before they were being recorded as extremely costly (24, I believe) which made LLVM fall back on a 4-wide vectorisation of a loop. It also rebalances the values for sext, zext and trunc. Lacking any other sane metric that might work across CPU microarchitectures I went for instructions. This seems to be in reasonable accord with the rest of the table (sitofp, ...) though no doubt at least one value is sub-optimal for some bizarre reason. Finally, separate AVX and AVX2 values are provided where appropriate. The CodeGen is quite different in many cases. rdar://problem/15981990 git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@200928 91177308-0d34-0410-b5e6-96231b3b80d8		2014-02-06 18:18:36 +00:00
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BasicAA	BasicAA: We need to check both access sizes when comparing a gep and an	2014-01-16 04:53:18 +00:00
BlockFrequencyInfo
BranchProbabilityInfo
CallGraph
CostModel	X86: add costs for 64-bit vector ext/trunc & rebalance	2014-02-06 18:18:36 +00:00
Delinearization	delinearization of arrays	2013-11-12 22:47:20 +00:00
DependenceAnalysis	improve dependence analysis testcases	2013-11-12 22:47:30 +00:00
Dominators
GlobalsModRef	BasicAA: Use reachabilty instead of dominance for checking value equality in phi	2014-01-03 05:47:03 +00:00
LazyCallGraph	[PM] Add a new "lazy" call graph analysis pass for the new pass manager.	2014-02-06 04:37:03 +00:00
Lint
LoopInfo
MemoryDependenceAnalysis
PostDominators
RegionInfo
ScalarEvolution	Fix crasher introduced in r200203 and caught by a libc++ buildbot. Don't assume that getMulExpr returns a SCEVMulExpr, it may have simplified it to something else!	2014-01-27 10:47:44 +00:00
TypeBasedAliasAnalysis	Fix known typos	2014-01-24 17:20:08 +00:00