Simplify search for abbreviations.

llvm-svn: 25491

2 files changed, 21 insertions, 10 deletions

diff --git a/llvm/include/llvm/CodeGen/DwarfWriter.h b/llvm/include/llvm/CodeGen/DwarfWriter.h
index 7d04e0abccf..3c8ef877ea0 100644
--- a/llvm/include/llvm/CodeGen/DwarfWriter.h
+++ b/llvm/include/llvm/CodeGen/DwarfWriter.h
@@ -476,6 +476,25 @@ namespace llvm {
     // Accessors
     unsigned getAttribute() const { return Attribute; }
     unsigned getForm()      const { return Form; }
+    
+    /// operator== - Used by DIEAbbrev to locate entry.
+    ///
+    bool operator==(const DIEAbbrevData &DAD) const {
+      return Attribute == DAD.Attribute && Form == DAD.Form;
+    }
+
+    /// operator!= - Used by DIEAbbrev to locate entry.
+    ///
+    bool operator!=(const DIEAbbrevData &DAD) const {
+      return Attribute != DAD.Attribute || Form != DAD.Form;
+    }
+    
+    /// operator< - Used by DIEAbbrev to locate entry.
+    ///
+    bool operator<(const DIEAbbrevData &DAD) const {
+      return Attribute < DAD.Attribute ||
+            (Attribute == DAD.Attribute && Form < DAD.Form);
+    }
   };
   
   //===--------------------------------------------------------------------===//
diff --git a/llvm/lib/CodeGen/DwarfWriter.cpp b/llvm/lib/CodeGen/DwarfWriter.cpp
index a5424d048b4..09ec6f1458d 100644
--- a/llvm/lib/CodeGen/DwarfWriter.cpp
+++ b/llvm/lib/CodeGen/DwarfWriter.cpp
@@ -589,10 +589,7 @@ bool DIEAbbrev::operator==(const DIEAbbrev &DA) const {
   if (Data.size() != DA.Data.size()) return false;
   
   for (unsigned i = 0, N = Data.size(); i < N; i++) {
-    const DIEAbbrevData &AttrData = Data[i];
-    const DIEAbbrevData &DAAttrData = DA.Data[i];
-    if (AttrData.getAttribute() != DAAttrData.getAttribute()) return false;
-    if (AttrData.getForm() != DAAttrData.getForm()) return false;
+    if (Data[i] != DA.Data[i]) return false;
   }
   
   return true;
@@ -606,12 +603,7 @@ bool DIEAbbrev::operator<(const DIEAbbrev &DA) const {
   if (Data.size() != DA.Data.size()) return Data.size() < DA.Data.size();
   
   for (unsigned i = 0, N = Data.size(); i < N; i++) {
-    const DIEAbbrevData &AttrData = Data[i];
-    const DIEAbbrevData &DAAttrData = DA.Data[i];
-    if (AttrData.getAttribute() != DAAttrData.getAttribute())
-      return AttrData.getAttribute() < DAAttrData.getAttribute();
-    if (AttrData.getForm() != DAAttrData.getForm())
-      return AttrData.getForm() < DAAttrData.getForm();
+    if (Data[i] != DA.Data[i]) return Data[i] < DA.Data[i];
   }
   
   return false;