1 files changed, 2 insertions, 5 deletions
diff --git a/llvm/include/llvm/CodeGen/DebugLoc.h b/llvm/include/llvm/CodeGen/DebugLoc.h
index 77e8ca505cf..505292846dd 100644
--- a/llvm/include/llvm/CodeGen/DebugLoc.h
+++ b/llvm/include/llvm/CodeGen/DebugLoc.h
@@ -37,17 +37,14 @@ namespace llvm {
   public:
     DebugLoc() : Idx(~0U) {}  // Defaults to invalid.
 
-    static DebugLoc getUnknownLoc()   { DebugLoc L; L.Idx = 0;   return L; }
+    static DebugLoc getUnknownLoc()   { DebugLoc L; L.Idx = ~0U; return L; }
     static DebugLoc get(unsigned idx) { DebugLoc L; L.Idx = idx; return L; }
 
     unsigned getIndex() const { return Idx; }
 
-    /// isInvalid - Return true if the DebugLoc is invalid.
-    bool isInvalid() const { return Idx == ~0U; }
-
     /// isUnknown - Return true if there is no debug info for the SDNode /
     /// MachineInstr.
-    bool isUnknown() const { return Idx == 0; }
+    bool isUnknown() const { return Idx == ~0U; }
 
     bool operator==(const DebugLoc &DL) const { return Idx == DL.Idx; }
     bool operator!=(const DebugLoc &DL) const { return !(*this == DL); }