From 63ae85f194981cc6493b1aeda7b8c25d34fe7e8b Mon Sep 17 00:00:00 2001
From: Jim Laskey <jlaskey@mac.com>
Date: Sat, 21 Jan 2006 01:13:18 +0000
Subject: [PATCH] Simplify search for abbreviations.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@25491 91177308-0d34-0410-b5e6-96231b3b80d8
---
 include/llvm/CodeGen/DwarfWriter.h | 19 +++++++++++++++++++
 lib/CodeGen/DwarfWriter.cpp        | 12 ++----------
 2 files changed, 21 insertions(+), 10 deletions(-)

diff --git a/include/llvm/CodeGen/DwarfWriter.h b/include/llvm/CodeGen/DwarfWriter.h
index 7d04e0abccf..3c8ef877ea0 100644
--- a/include/llvm/CodeGen/DwarfWriter.h
+++ b/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/lib/CodeGen/DwarfWriter.cpp b/lib/CodeGen/DwarfWriter.cpp
index a5424d048b4..09ec6f1458d 100644
--- a/lib/CodeGen/DwarfWriter.cpp
+++ b/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;