[llvm] 75728b4 - [Attributor][FIX] Reachability needs to process the entire worklist

[Johannes Doerfert via llvm-commits]

Author: Johannes Doerfert
Date: 2023-01-23T20:32:06-08:00
New Revision: 75728b41f86928aadbf17df344d1730433266395

URL: https://github.com/llvm/llvm-project/commit/75728b41f86928aadbf17df344d1730433266395
DIFF: https://github.com/llvm/llvm-project/commit/75728b41f86928aadbf17df344d1730433266395.diff

LOG: [Attributor][FIX] Reachability needs to process the entire worklist

Added: 
    

Modified: 
    llvm/lib/Transforms/IPO/Attributor.cpp

Removed: 
    


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diff  --git a/llvm/lib/Transforms/IPO/Attributor.cpp b/llvm/lib/Transforms/IPO/Attributor.cpp
index 08ded81eb77f..ee70a3980eba 100644
--- a/llvm/lib/Transforms/IPO/Attributor.cpp
+++ b/llvm/lib/Transforms/IPO/Attributor.cpp
@@ -665,7 +665,7 @@ isPotentiallyReachable(Attributor &A, const Instruction &FromI,
     if (A.checkForAllInstructions(ReturnInstCB, FromFn, QueryingAA,
                                   {Instruction::Ret}, UsedAssumedInformation)) {
       LLVM_DEBUG(dbgs() << "[AA] No return is reachable, done\n");
-      return false;
+      continue;
     }
 
     if (!GoBackwardsCB) {