[PATCH] D154027: [CSSPGO] Enable stale profile matching by default for CSSPGO
Lei Wang via Phabricator via llvm-commits
llvm-commits at lists.llvm.org
Wed Jun 28 17:22:42 PDT 2023
wlei created this revision.
Herald added subscribers: ormris, hoy, wenlei, hiraditya.
Herald added a project: All.
wlei requested review of this revision.
Herald added a project: LLVM.
Herald added a subscriber: llvm-commits.
Repository:
rG LLVM Github Monorepo
https://reviews.llvm.org/D154027
Files:
llvm/lib/Transforms/IPO/SampleProfile.cpp
Index: llvm/lib/Transforms/IPO/SampleProfile.cpp
===================================================================
--- llvm/lib/Transforms/IPO/SampleProfile.cpp
+++ llvm/lib/Transforms/IPO/SampleProfile.cpp
@@ -2048,6 +2048,10 @@
UsePreInlinerDecision = true;
}
+ // Enable stale profile matching by default for CSSPGO.
+ if (!SalvageStaleProfile.getNumOccurrences())
+ SalvageStaleProfile = true;
+
if (!Reader->profileIsCS()) {
// Non-CS profile should be fine without a function size budget for the
// inliner since the contexts in the profile are either all from inlining
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