1 files changed, 47 insertions, 0 deletions
diff --git a/clang/CodeGen/CGExpr.cpp b/clang/CodeGen/CGExpr.cpp
new file mode 100644
index 00000000000..1d1abfee330
--- /dev/null
+++ b/clang/CodeGen/CGExpr.cpp
@@ -0,0 +1,47 @@
+//===--- CGExpr.cpp - Emit LLVM Code from Expressions ---------------------===//
+//
+//                     The LLVM Compiler Infrastructure
+//
+// This file was developed by Chris Lattner and is distributed under
+// the University of Illinois Open Source License. See LICENSE.TXT for details.
+//
+//===----------------------------------------------------------------------===//
+//
+// This contains code to emit Expr nodes as LLVM code.
+//
+//===----------------------------------------------------------------------===//
+
+#include "CodeGenFunction.h"
+#include "clang/AST/AST.h"
+#include "llvm/Constants.h"
+#include "llvm/DerivedTypes.h"
+using namespace llvm;
+using namespace clang;
+using namespace CodeGen;
+
+
+//===--------------------------------------------------------------------===//
+//                             Expression Emission
+//===--------------------------------------------------------------------===//
+
+ExprResult CodeGenFunction::EmitExpr(const Expr *E) {
+  assert(E && "Null expression?");
+  
+  switch (E->getStmtClass()) {
+  default:
+    printf("Unimplemented expr!\n");
+    E->dump();
+    return ExprResult::get(UndefValue::get(llvm::Type::Int32Ty));
+  case Stmt::ParenExprClass:
+    return EmitExpr(cast<ParenExpr>(E)->getSubExpr());
+  case Stmt::IntegerLiteralClass:
+    return EmitIntegerLiteral(cast<IntegerLiteral>(E)); 
+  }
+  
+}
+
+ExprResult CodeGenFunction::EmitIntegerLiteral(const IntegerLiteral *E) {
+  return ExprResult::get(ConstantInt::get(E->getValue()));
+}
+
+