Switch ValueSymbolTable to use StringMap<Value*> instead of std::map<std::string, Value*>

as its main datastructure.  There are many improvements yet to be made, but
this speeds up opt --std-compile-opts on 447.dealII by 7.3%.

llvm-svn: 34193

1 files changed, 4 insertions, 2 deletions

diff --git a/llvm/lib/VMCore/Instruction.cpp b/llvm/lib/VMCore/Instruction.cpp
index 6b2babaeccb..d4c44741e5c 100644
--- a/llvm/lib/VMCore/Instruction.cpp
+++ b/llvm/lib/VMCore/Instruction.cpp
@@ -19,7 +19,7 @@ using namespace llvm;
 
 Instruction::Instruction(const Type *ty, unsigned it, Use *Ops, unsigned NumOps,
                          const std::string &Name, Instruction *InsertBefore)
-  : User(ty, Value::InstructionVal + it, Ops, NumOps, Name), Parent(0) {
+  : User(ty, Value::InstructionVal + it, Ops, NumOps), Parent(0) {
   // Make sure that we get added to a basicblock
   LeakDetector::addGarbageObject(this);
 
@@ -29,17 +29,19 @@ Instruction::Instruction(const Type *ty, unsigned it, Use *Ops, unsigned NumOps,
            "Instruction to insert before is not in a basic block!");
     InsertBefore->getParent()->getInstList().insert(InsertBefore, this);
   }
+  setName(Name);
 }
 
 Instruction::Instruction(const Type *ty, unsigned it, Use *Ops, unsigned NumOps,
                          const std::string &Name, BasicBlock *InsertAtEnd)
-  : User(ty, Value::InstructionVal + it, Ops, NumOps, Name), Parent(0) {
+  : User(ty, Value::InstructionVal + it, Ops, NumOps), Parent(0) {
   // Make sure that we get added to a basicblock
   LeakDetector::addGarbageObject(this);
 
   // append this instruction into the basic block
   assert(InsertAtEnd && "Basic block to append to may not be NULL!");
   InsertAtEnd->getInstList().push_back(this);
+  setName(Name);
 }
 
 // Out of line virtual method, so the vtable, etc has a home.