Refactor common initialization code in private init() functions.

This is a first step in supplying append to basic block constructors
for all instruction types.

llvm-svn: 13793

1 files changed, 11 insertions, 9 deletions

diff --git a/llvm/lib/VMCore/iSwitch.cpp b/llvm/lib/VMCore/iSwitch.cpp
index c4cffc22d7d..d4dccde5b58 100644
--- a/llvm/lib/VMCore/iSwitch.cpp
+++ b/llvm/lib/VMCore/iSwitch.cpp
@@ -15,20 +15,22 @@
 #include "llvm/BasicBlock.h"
 using namespace llvm;
 
-SwitchInst::SwitchInst(Value *V, BasicBlock *DefaultDest,
+void SwitchInst::init(Value *Value, BasicBlock *Default)
+{
+  assert(Value && Default);
+  Operands.push_back(Use(Value, this));
+  Operands.push_back(Use(Default, this));
+}
+
+SwitchInst::SwitchInst(Value *V, BasicBlock *D,
                        Instruction *InsertBefore) 
   : TerminatorInst(Instruction::Switch, InsertBefore) {
-  assert(V && DefaultDest);
-  Operands.push_back(Use(V, this));
-  Operands.push_back(Use(DefaultDest, this));
+  init(V, D);
 }
 
-SwitchInst::SwitchInst(Value *V, BasicBlock *DefaultDest,
-                       BasicBlock *InsertAtEnd) 
+SwitchInst::SwitchInst(Value *V, BasicBlock *D, BasicBlock *InsertAtEnd) 
   : TerminatorInst(Instruction::Switch, InsertAtEnd) {
-  assert(V && DefaultDest);
-  Operands.push_back(Use(V, this));
-  Operands.push_back(Use(DefaultDest, this));
+  init(V, D);
 }
 
 SwitchInst::SwitchInst(const SwitchInst &SI)