diff --git a/llvm/lib/Target/AVR/AVRExpandPseudoInsts.cpp b/llvm/lib/Target/AVR/AVRExpandPseudoInsts.cpp
--- a/llvm/lib/Target/AVR/AVRExpandPseudoInsts.cpp
+++ b/llvm/lib/Target/AVR/AVRExpandPseudoInsts.cpp
@@ -1219,6 +1219,7 @@
 
   assert(STI.getFrameLowering()->hasReservedCallFrame(MF) &&
          "unexpected STDSPQRr pseudo instruction");
+  (void)STI;
 
   MI.setDesc(TII->get(AVR::STDPtrQRr));
   MI.getOperand(0).setReg(AVR::R29R28);
@@ -1237,6 +1238,7 @@
 
   assert(STI.getFrameLowering()->hasReservedCallFrame(MF) &&
          "unexpected STDWSPQRr pseudo instruction");
+  (void)STI;
 
   MI.setDesc(TII->get(AVR::STDWPtrQRr));
   MI.getOperand(0).setReg(AVR::R29R28);