diff --git a/llvm/lib/Target/ARM/ARMTargetTransformInfo.cpp b/llvm/lib/Target/ARM/ARMTargetTransformInfo.cpp
--- a/llvm/lib/Target/ARM/ARMTargetTransformInfo.cpp
+++ b/llvm/lib/Target/ARM/ARMTargetTransformInfo.cpp
@@ -1772,7 +1772,7 @@
 
 bool ARMTTIImpl::isLoweredToCall(const Function *F) {
   if (!F->isIntrinsic())
-    BaseT::isLoweredToCall(F);
+    return BaseT::isLoweredToCall(F);
 
   // Assume all Arm-specific intrinsics map to an instruction.
   if (F->getName().startswith("llvm.arm"))