diff --git a/llvm/lib/CodeGen/AsmPrinter/DwarfDebug.cpp b/llvm/lib/CodeGen/AsmPrinter/DwarfDebug.cpp
index 69791a9684b4..0fa820dee21c 100644
--- a/llvm/lib/CodeGen/AsmPrinter/DwarfDebug.cpp
+++ b/llvm/lib/CodeGen/AsmPrinter/DwarfDebug.cpp
@@ -467,7 +467,7 @@ DIE *DwarfDebug::constructVariableDIE(DbgVariable *DV, LexicalScope *Scope) {
   } else {
     // .. else use frame index.
     int FI = DV->getFrameIndex();
-    if (FI != ~0U) {
+    if (FI != ~0) {
       unsigned FrameReg = 0;
       const TargetFrameLowering *TFI = Asm->TM.getFrameLowering();
       int Offset = 
diff --git a/llvm/lib/CodeGen/AsmPrinter/DwarfDebug.h b/llvm/lib/CodeGen/AsmPrinter/DwarfDebug.h
index 80f82ad9710e..7f26850dedf0 100644
--- a/llvm/lib/CodeGen/AsmPrinter/DwarfDebug.h
+++ b/llvm/lib/CodeGen/AsmPrinter/DwarfDebug.h
@@ -132,7 +132,7 @@ public:
   // AbsVar may be NULL.
   DbgVariable(DIVariable V, DbgVariable *AV) 
     : Var(V), TheDIE(0), DotDebugLocOffset(~0U), AbsVar(AV), MInsn(0),
-      FrameIndex(~0U) {}
+      FrameIndex(~0) {}
 
   // Accessors.
   DIVariable getVariable()           const { return Var; }