[llvm] [CGP] Drop poison generating flags when pushing freeze through cmp (PR #222314)

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``````````bash
git-clang-format --diff origin/main HEAD --extensions cpp -- llvm/lib/CodeGen/CodeGenPrepare.cpp --diff_from_common_commit
``````````

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View the diff from clang-format here.
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``````````diff
diff --git a/llvm/lib/CodeGen/CodeGenPrepare.cpp b/llvm/lib/CodeGen/CodeGenPrepare.cpp
index 3bf99001c..7a2baa8b1 100644
--- a/llvm/lib/CodeGen/CodeGenPrepare.cpp
+++ b/llvm/lib/CodeGen/CodeGenPrepare.cpp
@@ -9088,7 +9088,8 @@ bool CodeGenPrepare::optimizeInst(Instruction *I, ModifyDT &ModifiedDT) {
   if (FreezeInst *FI = dyn_cast<FreezeInst>(I)) {
     // freeze(icmp a, const)) -> icmp (freeze a), const
     // This helps generate efficient conditional jumps.
-    CmpInst *CmpI = dyn_cast<CmpInst>(FI->getOperand(0));;
+    CmpInst *CmpI = dyn_cast<CmpInst>(FI->getOperand(0));
+    ;
     if (CmpI && CmpI->hasOneUse()) {
       auto Op0 = CmpI->getOperand(0), Op1 = CmpI->getOperand(1);
       bool Const0 = isa<ConstantInt>(Op0) || isa<ConstantFP>(Op0) ||

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https://github.com/llvm/llvm-project/pull/222314