Initial skeleton of Subzero.

src/IceTypes.cpp

+//===- subzero/src/IceTypes.cpp - Primitive type properties ---------------===//
+//
+//                        The Subzero Code Generator
+//
+// This file is distributed under the University of Illinois Open Source
+// License. See LICENSE.TXT for details.
+//
+//===----------------------------------------------------------------------===//
+//
+// This file defines a few attributes of Subzero primitive types.
+//
+//===----------------------------------------------------------------------===//
+
+#include "IceDefs.h"
+#include "IceTypes.h"
+
+uint32_t iceTypeWidth(IceType T) {
+  switch (T) {
+  case IceType_i1:
+    return 1;
+  case IceType_i8:
+    return 1;
+  case IceType_i16:
+    return 2;
+  case IceType_i32:
+    return 4;
+  case IceType_i64:
+    return 8;
+  case IceType_f32:
+    return 4;
+  case IceType_f64:
+    return 8;
+  case IceType_void:
+  case IceType_NUM:
+    break;

[JF, 2014/04/04 04:05:26]

This would be a great use of xmacros. Put the enum in its own file, and have one
column for the size, one for the string (for the stream below).

[Jim Stichnoth, 2014/04/06 02:16:09]

Done, but using tables instead for now.  (I can change to macros if the need
arises.)

+  }
+  assert(0 && "Invalid type for iceTypeWidth()");
+  return 0;
+}
+
+// ======================== Dump routines ======================== //
+
+IceOstream &operator<<(IceOstream &Str, IceType T) {
+  switch (T) {
+  case IceType_void:
+    Str << "void";
+    return Str;
+  case IceType_i1:
+    Str << "i1";
+    return Str;
+  case IceType_i8:
+    Str << "i8";
+    return Str;
+  case IceType_i16:
+    Str << "i16";
+    return Str;
+  case IceType_i32:
+    Str << "i32";
+    return Str;
+  case IceType_i64:
+    Str << "i64";
+    return Str;
+  case IceType_f32:
+    Str << "float";
+    return Str;
+  case IceType_f64:
+    Str << "double";
+    return Str;
+  case IceType_NUM:
+  default:
+    assert(0 && "Invalid type for printing");
+    break;
+  }
+  Str << "???";
+  return Str;
+}