1 files changed, 55 insertions, 0 deletions
diff --git a/lib/MC/MCFunction.cpp b/lib/MC/MCFunction.cpp
new file mode 100644
index 0000000000..2665d3e167
--- /dev/null
+++ b/lib/MC/MCFunction.cpp
@@ -0,0 +1,55 @@
+//===-- lib/MC/MCFunction.cpp -----------------------------------*- C++ -*-===//
+//
+//                     The LLVM Compiler Infrastructure
+//
+// This file is distributed under the University of Illinois Open Source
+// License. See LICENSE.TXT for details.
+//
+//===----------------------------------------------------------------------===//
+
+#include "llvm/MC/MCFunction.h"
+#include "llvm/MC/MCAtom.h"
+#include "llvm/Support/raw_ostream.h"
+#include <algorithm>
+
+using namespace llvm;
+
+// MCFunction
+
+MCFunction::MCFunction(StringRef Name)
+  : Name(Name)
+{}
+
+MCFunction::~MCFunction() {
+  for (iterator I = begin(), E = end(); I != E; ++I)
+    delete *I;
+}
+
+MCBasicBlock &MCFunction::createBlock(const MCTextAtom &TA) {
+  Blocks.push_back(new MCBasicBlock(TA, this));
+  return *Blocks.back();
+}
+
+// MCBasicBlock
+
+MCBasicBlock::MCBasicBlock(const MCTextAtom &Insts, MCFunction *Parent)
+  : Insts(&Insts), Parent(Parent)
+{}
+
+void MCBasicBlock::addSuccessor(const MCBasicBlock *MCBB) {
+  Successors.push_back(MCBB);
+}
+
+bool MCBasicBlock::isSuccessor(const MCBasicBlock *MCBB) const {
+  return std::find(Successors.begin(), Successors.end(),
+                   MCBB) != Successors.end();
+}
+
+void MCBasicBlock::addPredecessor(const MCBasicBlock *MCBB) {
+  Predecessors.push_back(MCBB);
+}
+
+bool MCBasicBlock::isPredecessor(const MCBasicBlock *MCBB) const {
+  return std::find(Predecessors.begin(), Predecessors.end(),
+                   MCBB) != Predecessors.end();
+}