1 files changed, 2 insertions, 5 deletions
diff --git a/lib/CodeGen/CalcSpillWeights.cpp b/lib/CodeGen/CalcSpillWeights.cpp
index b8ef219..2bedd04 100644
--- a/lib/CodeGen/CalcSpillWeights.cpp
+++ b/lib/CodeGen/CalcSpillWeights.cpp
@@ -20,8 +20,8 @@
 #include "llvm/Support/Debug.h"
 #include "llvm/Support/raw_ostream.h"
 #include "llvm/Target/TargetInstrInfo.h"
+#include "llvm/Target/TargetMachine.h"
 #include "llvm/Target/TargetRegisterInfo.h"
-
 using namespace llvm;
 
 char CalculateSpillWeights::ID = 0;
@@ -58,10 +58,7 @@ bool CalculateSpillWeights::runOnMachineFunction(MachineFunction &fn) {
     for (MachineBasicBlock::const_iterator mii = mbb->begin(), mie = mbb->end();
          mii != mie; ++mii) {
       const MachineInstr *mi = mii;
-      if (tii->isIdentityCopy(*mi))
-        continue;
-
-      if (mi->getOpcode() == TargetInstrInfo::IMPLICIT_DEF)
+      if (tii->isIdentityCopy(*mi) || mi->isImplicitDef() || mi->isDebugValue())
         continue;
 
       for (unsigned i = 0, e = mi->getNumOperands(); i != e; ++i) {