[PATCH] D20914: [esan|cfrag] Compute the struct field access variance

[Qin Zhao via llvm-commits]

zhaoqin created this revision.
zhaoqin added a reviewer: aizatsky.
zhaoqin added subscribers: bruening, kcc, vitalybuka, eugenis, llvm-commits, zhaoqin.
Herald added a subscriber: kubabrecka.

Computes the struct field access variance based on each field access
count.

Adds two flags to control the variance computation and report
thresholds.

Updates struct-simple.cpp with variance report output.

http://reviews.llvm.org/D20914

Files:
  lib/esan/cache_frag.cpp
  lib/esan/esan_flags.inc
  test/esan/TestCases/struct-simple.cpp
  test/esan/TestCases/verbose-simple.c

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