[PATCH] D52915: [PM] keeping history when original SCC split and then merge into itself in the same round of SCC update .

[Wei Mi via Phabricator via llvm-commits]

wmi updated this revision to Diff 169715.
wmi added a comment.

update testcase monster_scc.ll. With the patch, less inlining is happening for monster_scc.ll because we block the inlining inside of the same function in the same SCC from happening more than once.

I do some performance testing on x86 for the patch: run google internal perf benchmark suite and one server benchmark, the performance result is neutral.


Repository:
  rL LLVM

https://reviews.llvm.org/D52915

Files:
  lib/Transforms/IPO/Inliner.cpp
  test/Transforms/Inline/cgscc-cycle.ll
  test/Transforms/Inline/monster_scc.ll

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