[PATCH] D156318: Local: fix debug output of replaceDominatedUsesWith()

[Ramkumar Ramachandra via Phabricator via llvm-commits]

artagnon created this revision.
artagnon added reviewers: lebedev.ri, nikic, RKSimon.
Herald added subscribers: StephenFan, hiraditya.
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artagnon requested review of this revision.
Herald added a project: LLVM.
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The debug output of replaceDominatedUsesWith() prints incorrect
information, and the user is left confused about what exactly was
replaced. Fix this.


Repository:
  rG LLVM Github Monorepo

https://reviews.llvm.org/D156318

Files:
  llvm/lib/Transforms/Utils/Local.cpp


Index: llvm/lib/Transforms/Utils/Local.cpp
===================================================================
--- llvm/lib/Transforms/Utils/Local.cpp
+++ llvm/lib/Transforms/Utils/Local.cpp
@@ -2896,9 +2896,9 @@
   for (Use &U : llvm::make_early_inc_range(From->uses())) {
     if (!Dominates(Root, U))
       continue;
-    U.set(To);
     LLVM_DEBUG(dbgs() << "Replace dominated use of '" << From->getName()
-                      << "' as " << *To << " in " << *U << "\n");
+                      << "' as " << *To << " in " << *U.getUser() << "\n");
+    U.set(To);
     ++Count;
   }
   return Count;


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