diff --git a/llvm/lib/Analysis/InstructionSimplify.cpp b/llvm/lib/Analysis/InstructionSimplify.cpp
index ed3ba77..c83d62f 100644
--- a/llvm/lib/Analysis/InstructionSimplify.cpp
+++ b/llvm/lib/Analysis/InstructionSimplify.cpp
@@ -4940,7 +4940,15 @@
   case Intrinsic::log2:
     // log2(exp2(x)) -> x
     if (Q.CxtI->hasAllowReassoc() &&
-        match(Op0, m_Intrinsic<Intrinsic::exp2>(m_Value(X)))) return X;
+        (match(Op0, m_Intrinsic<Intrinsic::exp2>(m_Value(X))) ||
+         match(Op0, m_Intrinsic<Intrinsic::pow>(m_SpecificFP(2.0),
+                                                m_Value(X))))) return X;
+    break;
+  case Intrinsic::log10:
+    // log10(pow(10.0, x)) -> x
+    if (Q.CxtI->hasAllowReassoc() &&
+        match(Op0, m_Intrinsic<Intrinsic::pow>(m_SpecificFP(10.0),
+                                               m_Value(X)))) return X;
     break;
   default:
     break;