[PATCH] D95186: [Inlining] Delete redundant optnone/alwaysinline check

Xun Li via Phabricator via llvm-commits llvm-commits at lists.llvm.org
Thu Jan 21 16:39:49 PST 2021


lxfind created this revision.
lxfind added reviewers: aeubanks, wenlei.
Herald added subscribers: hoy, modimo, hiraditya, eraman.
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The same check is done in InlineCost: https://github.com/llvm/llvm-project/blob/8b0bd54d0ec968df28ccc58bbb537a7b7c074ef2/llvm/lib/Analysis/InlineCost.cpp#L2537-L2552
Also, doing a check on the callee here is confusing, because anything that deals with callee should be done in the inner loop where we proecss all calls from the same caller.


Repository:
  rG LLVM Github Monorepo

https://reviews.llvm.org/D95186

Files:
  llvm/lib/Transforms/IPO/Inliner.cpp


Index: llvm/lib/Transforms/IPO/Inliner.cpp
===================================================================
--- llvm/lib/Transforms/IPO/Inliner.cpp
+++ llvm/lib/Transforms/IPO/Inliner.cpp
@@ -761,12 +761,6 @@
     LazyCallGraph::Node &N = *CG.lookup(F);
     if (CG.lookupSCC(N) != C)
       continue;
-    if (!Calls[I].first->getCalledFunction()->hasFnAttribute(
-            Attribute::AlwaysInline) &&
-        F.hasOptNone()) {
-      setInlineRemark(*Calls[I].first, "optnone attribute");
-      continue;
-    }
 
     LLVM_DEBUG(dbgs() << "Inlining calls in: " << F.getName() << "\n");
 


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