[llvm] [InstCombine] Fix non-convergence with freeze/phi folding (PR #182647)

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``````````bash
git-clang-format --diff origin/main HEAD --extensions cpp -- llvm/lib/Transforms/InstCombine/InstructionCombining.cpp --diff_from_common_commit
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``````````diff
diff --git a/llvm/lib/Transforms/InstCombine/InstructionCombining.cpp b/llvm/lib/Transforms/InstCombine/InstructionCombining.cpp
index 3a44253f8..a8e98a451 100644
--- a/llvm/lib/Transforms/InstCombine/InstructionCombining.cpp
+++ b/llvm/lib/Transforms/InstCombine/InstructionCombining.cpp
@@ -1982,7 +1982,8 @@ Instruction *InstCombinerImpl::foldOpIntoPhi(Instruction &I, PHINode *PN,
 
     // Avoid repeatedly sinking a freeze into a PHI only for some of the newly
     // created incoming freezes to be trivially removable again. That pattern
-    // can cause oscillation between freeze(phi(...)) and phi(..., freeze(x), ...).
+    // can cause oscillation between freeze(phi(...)) and phi(..., freeze(x),
+    // ...).
     if (isa<FreezeInst>(&I) && isGuaranteedNotToBeUndefOrPoison(InVal))
       return nullptr;
 

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https://github.com/llvm/llvm-project/pull/182647