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Correct IDF calculator for ReverseIDF

Description

Correct IDF calculator for ReverseIDF

Summary:
Need to use predecessors for reverse graph, successors for forward graph.
succ_iterator/pred_iterator are not compatible, this patch is all the work necessary to work around that (which is what everywhere else does). Not sure if there is a better way, so cc'ing some random folks to take a gander :)

Reviewers: dblaikie, qcolombet, echristo

Subscribers: llvm-commits

Differential Revision: http://reviews.llvm.org/D18796

Details

Committed
dannybApr 18 2016, 11:13 PM
Differential Revision
D18796: Correct IDF calculator for ReverseIDF
Parents
rL266717: [Orc] Disable RPC callST unit test until the S390 failures encountered during
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