diff --git a/llvm/lib/Transforms/InstCombine/InstCombineMulDivRem.cpp b/llvm/lib/Transforms/InstCombine/InstCombineMulDivRem.cpp
index 8abed5c..aa333fd 100644
--- a/llvm/lib/Transforms/InstCombine/InstCombineMulDivRem.cpp
+++ b/llvm/lib/Transforms/InstCombine/InstCombineMulDivRem.cpp
@@ -1494,8 +1494,9 @@
         IRBuilder<> B(&I);
         IRBuilder<>::FastMathFlagGuard Guard(B);
         B.setFastMathFlags(I.getFastMathFlags());
-        Value *Tan = emitUnaryFloatFnCall(A, TLI.getName(LibFunc_tan),
-                                          B, I.getFunction()->getAttributes());
+        Value *Tan = emitUnaryFloatFnCall(
+            A, TLI.getName(LibFunc_tan), B,
+            CallSite(Op0).getCalledFunction()->getAttributes());
         Value *One = ConstantFP::get(Tan->getType(), 1.0);
         Value *Div = B.CreateFDiv(One, Tan);
         return replaceInstUsesWith(I, Div);