Allow conditional lit tests in Subzero, based on build flags.

src/IceTypes.h

 //===- subzero/src/IceTypes.h - Primitive ICE types -------------*- C++ -*-===//
 //
 //                        The Subzero Code Generator
 //
 // This file is distributed under the University of Illinois Open Source
 // License. See LICENSE.TXT for details.
 //
 //===----------------------------------------------------------------------===//
 //
 // This file declares a few properties of the primitive types allowed
@@ skipping 10 matching lines @@
 namespace Ice {
 
 enum Type {
 #define X(tag, size, align, elts, elty, str) tag,
   ICETYPE_TABLE
 #undef X
       IceType_NUM
 };
 
 enum TargetArch {
-  Target_X8632,
-  Target_X8664,
-  Target_ARM32,
-  Target_ARM64
+#define X(tag, str) tag,
+  TARGETARCH_TABLE
+#undef X
+  TargetArch_NUM
 };
 
+const char *targetArchString(TargetArch Arch);
+
+inline Ostream &operator<<(Ostream &Stream, TargetArch Arch) {
+  return Stream << targetArchString(Arch);
+}
+
 enum OptLevel {
   Opt_m1,
   Opt_0,
   Opt_1,
   Opt_2
 };
 
 size_t typeWidthInBytes(Type Ty);
 size_t typeAlignInBytes(Type Ty);
 size_t typeNumElements(Type Ty);
@@ skipping 89 matching lines @@
 };
 
 inline Ostream &operator<<(Ostream &Stream, const FuncSigType &Sig) {
   Sig.dump(Stream);
   return Stream;
 }
 
 } // end of namespace Ice
 
 #endif // SUBZERO_SRC_ICETYPES_H