Finally change the instruction looking map to be a densemap from

record* -> instrinfo instead of std::string -> instrinfo.

This speeds up tblgen on cellcpu from 7.28 -> 5.98s with a debug
build (20%).


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@98916 91177308-0d34-0410-b5e6-96231b3b80d8

1 files changed, 1 insertions, 7 deletions

diff --git a/utils/TableGen/InstrInfoEmitter.cpp b/utils/TableGen/InstrInfoEmitter.cpp
index 72c4e73ca1..8f7550b848 100644
--- a/utils/TableGen/InstrInfoEmitter.cpp
+++ b/utils/TableGen/InstrInfoEmitter.cpp
@@ -39,16 +39,10 @@ static void PrintBarriers(std::vector<Record*> &Barriers,
 // Instruction Itinerary Information.
 //===----------------------------------------------------------------------===//
 
-struct RecordNameComparator {
-  bool operator()(const Record *Rec1, const Record *Rec2) const {
-    return Rec1->getName() < Rec2->getName();
-  }
-};
-
 void InstrInfoEmitter::GatherItinClasses() {
   std::vector<Record*> DefList =
   Records.getAllDerivedDefinitions("InstrItinClass");
-  std::sort(DefList.begin(), DefList.end(), RecordNameComparator());
+  std::sort(DefList.begin(), DefList.end(), LessRecord());
   
   for (unsigned i = 0, N = DefList.size(); i < N; i++)
     ItinClassMap[DefList[i]->getName()] = i;