Index: llvm/lib/Transforms/Utils/SimplifyLibCalls.cpp
===================================================================
--- llvm/lib/Transforms/Utils/SimplifyLibCalls.cpp
+++ llvm/lib/Transforms/Utils/SimplifyLibCalls.cpp
@@ -2099,6 +2099,7 @@
   Module *M = Pow->getModule();
   bool AllowApprox = Pow->hasApproxFunc();
   bool Ignored;
+  AttributeList Attrs; // Attributes are only meaningful on the original call
 
   // Propagate the math semantics from the call to any created instructions.
   IRBuilderBase::FastMathFlagGuard Guard(B);
@@ -2160,8 +2161,7 @@
         return nullptr;
       ExpoF = &ExpoI;
 
-      Sqrt = getSqrtCall(Base, Pow->getCalledFunction()->getAttributes(),
-                         Pow->doesNotAccessMemory(), M, B, TLI);
+      Sqrt = getSqrtCall(Base, Attrs, Pow->doesNotAccessMemory(), M, B, TLI);
       if (!Sqrt)
         return nullptr;
     }