diff --git a/llvm/lib/CodeGen/ShrinkWrap.cpp b/llvm/lib/CodeGen/ShrinkWrap.cpp
index ed01a90..2d90129 100644
--- a/llvm/lib/CodeGen/ShrinkWrap.cpp
+++ b/llvm/lib/CodeGen/ShrinkWrap.cpp
@@ -240,6 +240,10 @@
 
 bool ShrinkWrap::useOrDefCSROrFI(const MachineInstr &MI,
                                  RegScavenger *RS) const {
+  // Ignore DBG_VALUE and other meta instructions that must not affect codegen.
+  if (MI.isMetaInstruction())
+    return false;
+
   if (MI.getOpcode() == FrameSetupOpcode ||
       MI.getOpcode() == FrameDestroyOpcode) {
     DEBUG(dbgs() << "Frame instruction: " << MI << '\n');