1 files changed, 12 insertions, 2 deletions
diff --git a/lib/Target/ARM/Thumb1RegisterInfo.cpp b/lib/Target/ARM/Thumb1RegisterInfo.cpp
index a5dfcb34f7bc..2f635fe50ad5 100644
--- a/lib/Target/ARM/Thumb1RegisterInfo.cpp
+++ b/lib/Target/ARM/Thumb1RegisterInfo.cpp
@@ -36,9 +36,12 @@
 #include "llvm/Support/CommandLine.h"
 #include "llvm/Support/ErrorHandling.h"
 #include "llvm/Support/raw_ostream.h"
-using namespace llvm;
 
+namespace llvm {
 extern cl::opt<bool> ReuseFrameIndexVals;
+}
+
+using namespace llvm;
 
 Thumb1RegisterInfo::Thumb1RegisterInfo(const ARMBaseInstrInfo &tii,
                                        const ARMSubtarget &sti)
@@ -56,7 +59,7 @@ void Thumb1RegisterInfo::emitLoadConstPool(MachineBasicBlock &MBB,
                                            unsigned PredReg) const {
   MachineFunction &MF = *MBB.getParent();
   MachineConstantPool *ConstantPool = MF.getConstantPool();
-  Constant *C = ConstantInt::get(
+  const Constant *C = ConstantInt::get(
           Type::getInt32Ty(MBB.getParent()->getFunction()->getContext()), Val);
   unsigned Idx = ConstantPool->getConstantPoolIndex(C, 4);
 
@@ -461,6 +464,13 @@ Thumb1RegisterInfo::eliminateFrameIndex(MachineBasicBlock::iterator II,
     Offset -= AFI->getFramePtrSpillOffset();
   }
 
+  // Special handling of dbg_value instructions.
+  if (MI.isDebugValue()) {
+    MI.getOperand(i).  ChangeToRegister(FrameReg, false /*isDef*/);
+    MI.getOperand(i+1).ChangeToImmediate(Offset);
+    return 0;
+  }
+
   unsigned Opcode = MI.getOpcode();
   const TargetInstrDesc &Desc = MI.getDesc();
   unsigned AddrMode = (Desc.TSFlags & ARMII::AddrModeMask);