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

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"
 
 namespace Ice {
 
 namespace {
 
+const char *TargetArchName[] = {
+#define X(tag, str)  str ,
+  TARGETARCH_TABLE
+#undef X
+};
+
 // Show tags match between ICETYPE_TABLE and ICETYPE_PROPS_TABLE.
 
 // Define a temporary set of enum values based on ICETYPE_TABLE
 enum {
 #define X(tag, size, align, elts, elty, str) _table_tag_##tag,
   ICETYPE_TABLE
 #undef X
       _enum_table_tag_Names
 };
 // Define a temporary set of enum values based on ICETYPE_PROPS_TABLE
@@ skipping 78 matching lines @@
     IsVec, IsInt, IsInt && !IsVec, IsInt && IsVec, IsIntArith, IsFloat,        \
         IsFloat && !IsVec, IsFloat && IsVec, IsLoadStore, CompareResult        \
   }                                                                            \
   ,
   ICETYPE_PROPS_TABLE
 #undef X
 };
 
 } // end anonymous namespace
 
+const char *targetArchString(const TargetArch Arch) {
+  size_t Index = static_cast<size_t>(Arch);
+  if (Index < TargetArch_NUM)
+    return TargetArchName[Index];
+  llvm_unreachable("Invalid target arch for targetArchString");
+  return "???";
+}
+
 size_t typeWidthInBytes(Type Ty) {
   size_t Index = static_cast<size_t>(Ty);
   if (Index < IceType_NUM)
     return TypeAttributes[Index].TypeWidthInBytes;
   llvm_unreachable("Invalid type for typeWidthInBytes()");
   return 0;
 }
 
 size_t typeAlignInBytes(Type Ty) {
   size_t Index = static_cast<size_t>(Ty);
@@ skipping 124 matching lines @@
       IsFirst = false;
     } else {
       Stream << ", ";
     }
     Stream << ArgTy;
   }
   Stream << ")";
 }
 
 } // end of namespace Ice