Jingyue Wu 5733100450 Divergence analysis for GPU programs ... Summary: Some optimizations such as jump threading and loop unswitching can negatively affect performance when applied to divergent branches. The divergence analysis added in this patch conservatively estimates which branches in a GPU program can diverge. This information can then help LLVM to run certain optimizations selectively. Test Plan: test/Analysis/DivergenceAnalysis/NVPTX/diverge.ll Reviewers: resistor, hfinkel, eliben, meheff, jholewinski Subscribers: broune, bjarke.roune, madhur13490, tstellarAMD, dberlin, echristo, jholewinski, llvm-commits Differential Revision: http://reviews.llvm.org/D8576 git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@234567 91177308-0d34-0410-b5e6-96231b3b80d8		2015-04-10 05:03:50 +00:00
..
AssumptionCache	[PM] Actually add the new pass manager support for the assumption cache.	2015-01-22 21:53:09 +00:00
BasicAA	[opaque pointer type] Add textual IR support for explicit type parameter to gep operator	2015-03-13 18:20:45 +00:00
BlockFrequencyInfo	Remove 4,096 loop scale limitation.	2015-04-01 17:42:27 +00:00
BranchProbabilityInfo	[opaque pointer type] Add textual IR support for explicit type parameter to load instruction	2015-02-27 21:17:42 +00:00
CallGraph	[tests] Cleanup initialization of test suffixes.	2013-08-16 00:37:11 +00:00
CFLAliasAnalysis	[opaque pointer type] Add textual IR support for explicit type parameter to gep operator	2015-03-13 18:20:45 +00:00
CostModel	[X86][SSE] Avoid scalarization of v2i64 vector shifts (REAPPLIED)	2015-03-18 22:18:51 +00:00
Delinearization	Make DataLayout Non-Optional in the Module	2015-03-04 18:43:29 +00:00
DependenceAnalysis	[opaque pointer type] Add textual IR support for explicit type parameter to gep operator	2015-03-13 18:20:45 +00:00
DivergenceAnalysis/NVPTX	Divergence analysis for GPU programs	2015-04-10 05:03:50 +00:00
Dominators	[opaque pointer type] Add textual IR support for explicit type parameter to getelementptr instruction	2015-02-27 19:29:02 +00:00
GlobalsModRef	[opaque pointer type] Add textual IR support for explicit type parameter to gep operator	2015-03-13 18:20:45 +00:00
LazyCallGraph	[opaque pointer type] Add textual IR support for explicit type parameter to gep operator	2015-03-13 18:20:45 +00:00
Lint	Make llvm.eh.begincatch use an outparam	2015-03-03 17:41:09 +00:00
LoopAccessAnalysis	[LoopAccesses] Allow analysis to complete in the presence of uniform stores	2015-04-08 17:48:40 +00:00
LoopInfo	[PM] Port LoopInfo to the new pass manager, adding both a LoopAnalysis	2015-01-20 10:58:50 +00:00
MemoryDependenceAnalysis	[opaque pointer type] Add textual IR support for explicit type parameter to load instruction	2015-02-27 21:17:42 +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	[SCEV] Look at backedge dominating conditions (re-land r233447).	2015-04-01 18:24:06 +00:00
ScopedNoAliasAA	[opaque pointer type] Add textual IR support for explicit type parameter to load instruction	2015-02-27 21:17:42 +00:00
TypeBasedAliasAnalysis	[opaque pointer type] Add textual IR support for explicit type parameter to gep operator	2015-03-13 18:20:45 +00:00
ValueTracking	Require a GC strategy be specified for functions which use gc.statepoint	2015-03-27 05:09:33 +00:00