[llvm] [InstCombine] Optimize redundant floating point comparisons in `or`/`and` inst's (PR #158097)

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git-clang-format --diff origin/main HEAD --extensions cpp -- llvm/lib/Analysis/InstructionSimplify.cpp
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``````````diff
diff --git a/llvm/lib/Analysis/InstructionSimplify.cpp b/llvm/lib/Analysis/InstructionSimplify.cpp
index eff374064..795f1aee4 100644
--- a/llvm/lib/Analysis/InstructionSimplify.cpp
+++ b/llvm/lib/Analysis/InstructionSimplify.cpp
@@ -1852,10 +1852,11 @@ static Value *simplifyAndOrOfFCmps(const SimplifyQuery &Q, FCmpInst *LHS,
 
   Value *V0;
   const APFloat *V0Op1, *V1Op1;
-  // (fcmp olt V0, V0Op1) || (fcmp olt V0, V1Op1) --> fcmp olt V0, max(V0Op1, V1Op1)
-  // (fcmp ogt V0, V0Op1) || (fcmp ogt V0, V1Op1) --> fcmp ogt V0, max(V0Op1, V1Op1)
-  // (fcmp olt V0, V0Op1) && (fcmp olt V0, V1Op1) --> fcmp olt V0, min(V0Op1, V1Op1)
-  // (fcmp ogt V0, V0Op1) && (fcmp ogt V0, V1Op1) --> fcmp ogt V0, min(V0Op1, V1Op1)
+  // (fcmp olt V0, V0Op1) || (fcmp olt V0, V1Op1) --> fcmp olt V0, max(V0Op1,
+  // V1Op1) (fcmp ogt V0, V0Op1) || (fcmp ogt V0, V1Op1) --> fcmp ogt V0,
+  // max(V0Op1, V1Op1) (fcmp olt V0, V0Op1) && (fcmp olt V0, V1Op1) --> fcmp olt
+  // V0, min(V0Op1, V1Op1) (fcmp ogt V0, V0Op1) && (fcmp ogt V0, V1Op1) --> fcmp
+  // ogt V0, min(V0Op1, V1Op1)
   if (match(LHS, m_SpecificFCmp(FCmpInst::FCMP_OLT, m_Value(V0),
                                 m_APFloat(V0Op1))) &&
       match(RHS, m_SpecificFCmp(FCmpInst::FCMP_OLT, m_Specific(V0),

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https://github.com/llvm/llvm-project/pull/158097