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
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llvm	Divergence analysis for GPU programs	2015-04-10 05:03:50 +00:00
llvm-c	Restore LLVMLinkModules C API until it is properly deprecated.	2015-03-02 18:59:38 +00:00