1 files changed, 4 insertions, 0 deletions
diff --git a/llvm/lib/CodeGen/MachineTraceMetrics.cpp b/llvm/lib/CodeGen/MachineTraceMetrics.cpp
index 9404c687d41..d9a6b68462e 100644
--- a/llvm/lib/CodeGen/MachineTraceMetrics.cpp
+++ b/llvm/lib/CodeGen/MachineTraceMetrics.cpp
@@ -624,6 +624,10 @@ struct DataDep {
 static bool getDataDeps(const MachineInstr *UseMI,
                         SmallVectorImpl<DataDep> &Deps,
                         const MachineRegisterInfo *MRI) {
+  // Debug values should not be included in any calculations.
+  if (UseMI->isDebugValue())
+    return false;
+  
   bool HasPhysRegs = false;
   for (MachineInstr::const_mop_iterator I = UseMI->operands_begin(),
        E = UseMI->operands_end(); I != E; ++I) {