1 files changed, 61 insertions, 0 deletions
diff --git a/lib/VMCore/Instruction.cpp b/lib/VMCore/Instruction.cpp
new file mode 100644
index 0000000000..4b528f0d94
--- /dev/null
+++ b/lib/VMCore/Instruction.cpp
@@ -0,0 +1,61 @@
+//===-- Instruction.cpp - Implement the Instruction class --------*- C++ -*--=//
+//
+// This file implements the Instruction class for the VMCore library.
+//
+//===----------------------------------------------------------------------===//
+
+#include "llvm/Instruction.h"
+#include "llvm/BasicBlock.h"
+#include "llvm/Method.h"
+#include "llvm/SymbolTable.h"
+#include "llvm/iBinary.h"
+#include "llvm/iUnary.h"
+
+Instruction::Instruction(const Type *ty, unsigned it, const string &Name) 
+  : User(ty, Value::InstructionVal, Name) {
+  Parent = 0;
+  iType = it;
+}
+
+Instruction::~Instruction() {
+  assert(getParent() == 0 && "Instruction still embeded in basic block!");
+}
+
+// Specialize setName to take care of symbol table majik
+void Instruction::setName(const string &name) {
+  BasicBlock *P = 0; Method *PP = 0;
+  if ((P = getParent()) && (PP = P->getParent()) && hasName())
+    PP->getSymbolTable()->remove(this);
+  Value::setName(name);
+  if (PP && hasName()) PP->getSymbolTableSure()->insert(this);
+}
+
+Instruction *Instruction::getBinaryOperator(unsigned Op, Value *S1, Value *S2) {
+  switch (Op) {
+  case Add:
+    return new AddInst(S1, S2);
+  case Sub:
+    return new SubInst(S1, S2);
+
+  case SetLT:
+  case SetGT:
+  case SetLE:
+  case SetGE:
+  case SetEQ:
+  case SetNE:
+    return new SetCondInst((BinaryOps)Op, S1, S2);
+
+  default:
+    cerr << "Don't know how to GetBinaryOperator " << Op << endl;
+    return 0;
+  }
+}
+
+
+Instruction *Instruction::getUnaryOperator(unsigned Op, Value *Source) {
+  switch (Op) {
+  default:
+    cerr << "Don't know how to GetUnaryOperator " << Op << endl;
+    return 0;
+  }
+}