Split type analysis out to its own file, now the integer constant expr evaluation

is ready.

llvm-svn: 39660

1 files changed, 49 insertions, 0 deletions

diff --git a/clang/CodeGen/CodeGenTypes.h b/clang/CodeGen/CodeGenTypes.h
new file mode 100644
index 00000000000..0a6551faa71
--- /dev/null
+++ b/clang/CodeGen/CodeGenTypes.h
@@ -0,0 +1,49 @@
+//===--- CodeGenTypes.h - Type translation for LLVM CodeGen -----*- C++ -*-===//
+//
+//                     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 is the code that handles AST -> LLVM type lowering. 
+//
+//===----------------------------------------------------------------------===//
+
+#ifndef CODEGEN_CODEGENTYPES_H
+#define CODEGEN_CODEGENTYPES_H
+
+#include <vector>
+
+namespace llvm {
+  class Type;
+}
+
+namespace clang {
+  class TargetInfo;
+  class QualType;
+  class SourceLocation;
+  class FunctionTypeProto;
+  
+namespace CodeGen {
+  
+/// CodeGenTypes - This class organizes the cross-module state that is used
+/// while lowering AST types to LLVM types.
+class CodeGenTypes {
+  TargetInfo &Target;
+  
+public:
+  CodeGenTypes(TargetInfo &target) : Target(target) {}
+  
+  TargetInfo &getTarget() const { return Target; }
+  
+  const llvm::Type *ConvertType(QualType T, SourceLocation Loc);
+  void DecodeArgumentTypes(const FunctionTypeProto &FTP, 
+                           std::vector<const llvm::Type*> &ArgTys,
+                           SourceLocation Loc);
+};
+}  // end namespace CodeGen
+}  // end namespace clang
+
+#endif