[PATCH] D100528: [CSSPGO][llvm-profdata] Support trimming cold context when merging profiles

[Wei Mi via Phabricator via llvm-commits]

wmi added inline comments.


================
Comment at: llvm/tools/llvm-profdata/CMakeLists.txt:2
 set(LLVM_LINK_COMPONENTS
+  Analysis
   Core
----------------
wenlei wrote:
> This is because we now use ProfileSummaryInfo.cpp, so we can get all consistent hot/cold threshold computation and related switches, though pulling in entire Analysis lib is less than ideal. I'm thinking about moving ProfileSummaryInfo into ProfileData/ProfileSummaryBuildder.cpo from Analysis/ProfileSummaryInfo.cpp. But I'd like to get feedback before I move things around. 
Extract ProfileSummaryInfo from Analysis/ directory sounds reasonable to me. How about move it to Core -- lib/IR/ProfileSummary.cpp for example? The reason is ProfileSummaryInfo interface is used widely. If someday we want to use the interface in Core or Support which ProfileData depends on, it will introduce cyclic dependence. Putting it in Core will clear the problem. 


Repository:
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  https://reviews.llvm.org/D100528/new/

https://reviews.llvm.org/D100528