Switch UnaryOperators to default to passing names up by const char* when possible.

This speeds up bcreading by 1.5%.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@34233 91177308-0d34-0410-b5e6-96231b3b80d8

1 files changed, 5 insertions, 2 deletions

diff --git a/include/llvm/Instruction.h b/include/llvm/Instruction.h
index 15c5919..7f7bcc8 100644
--- a/include/llvm/Instruction.h
+++ b/include/llvm/Instruction.h
@@ -41,10 +41,13 @@ class Instruction : public User {
   void setParent(BasicBlock *P);
 protected:
   Instruction(const Type *Ty, unsigned iType, Use *Ops, unsigned NumOps,
-              const std::string &Name = "",
-              Instruction *InsertBefore = 0);
+              const std::string &Name, Instruction *InsertBefore = 0);
   Instruction(const Type *Ty, unsigned iType, Use *Ops, unsigned NumOps,
               const std::string &Name, BasicBlock *InsertAtEnd);
+  Instruction(const Type *Ty, unsigned iType, Use *Ops, unsigned NumOps,
+              const char *Name = 0, Instruction *InsertBefore = 0);
+  Instruction(const Type *Ty, unsigned iType, Use *Ops, unsigned NumOps,
+              const char *Name, BasicBlock *InsertAtEnd);
 public:
   // Out of line virtual method, so the vtable, etc has a home.
   ~Instruction();