Subzero: Make -reg-use and -reg-exclude specific to register class.

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.
 //
 //===----------------------------------------------------------------------===//
 ///
 /// \file
@@ skipping 12 matching lines @@
 const char *TargetArchName[] = {
 #define X(tag, str, is_elf64, e_machine, e_flags) 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, sizeLog2, align, elts, elty, str) _table_tag_##tag,
+#define X(tag, sizeLog2, align, elts, elty, str, rcstr) _table_tag_##tag,
   ICETYPE_TABLE
 #undef X
       _enum_table_tag_Names
 };
 // Define a temporary set of enum values based on ICETYPE_PROPS_TABLE
 enum {
 #define X(tag, IsVec, IsInt, IsFloat, IsIntArith, IsLoadStore, IsParam,        \
           CompareResult)                                                       \
   _props_table_tag_##tag,
   ICETYPE_PROPS_TABLE
 #undef X
       _enum_props_table_tag_Names
 };
 // Assert that tags in ICETYPE_TABLE are also in ICETYPE_PROPS_TABLE.
-#define X(tag, sizeLog2, align, elts, elty, str)                               \
+#define X(tag, sizeLog2, align, elts, elty, str, rcstr)                        \
   static_assert(                                                               \
       (unsigned)_table_tag_##tag == (unsigned)_props_table_tag_##tag,          \
       "Inconsistency between ICETYPE_PROPS_TABLE and ICETYPE_TABLE");
 ICETYPE_TABLE
 #undef X
 // Assert that tags in ICETYPE_PROPS_TABLE is in ICETYPE_TABLE.
 #define X(tag, IsVec, IsInt, IsFloat, IsIntArith, IsLoadStore, IsParam,        \
           CompareResult)                                                       \
   static_assert(                                                               \
       (unsigned)_table_tag_##tag == (unsigned)_props_table_tag_##tag,          \
       "Inconsistency between ICETYPE_PROPS_TABLE and ICETYPE_TABLE");
 ICETYPE_PROPS_TABLE
 #undef X
 
 // Show vector definitions match in ICETYPE_TABLE and ICETYPE_PROPS_TABLE.
 
 // Define constants for each element size in ICETYPE_TABLE.
 enum {
-#define X(tag, sizeLog2, align, elts, elty, str) _table_elts_##tag = elts,
+#define X(tag, sizeLog2, align, elts, elty, str, rcstr)                        \
+  _table_elts_##tag = elts,
   ICETYPE_TABLE
 #undef X
       _enum_table_elts_Elements = 0
 };
 // Define constants for boolean flag if vector in ICETYPE_PROPS_TABLE.
 enum {
 #define X(tag, IsVec, IsInt, IsFloat, IsIntArith, IsLoadStore, IsParam,        \
           CompareResult)                                                       \
   _props_table_IsVec_##tag = IsVec,
   ICETYPE_PROPS_TABLE
 #undef X
 };
 // Verify that the number of vector elements is consistent with IsVec.
 #define X(tag, IsVec, IsInt, IsFloat, IsIntArith, IsLoadStore, IsParam,        \
           CompareResult)                                                       \
   static_assert((_table_elts_##tag > 1) == _props_table_IsVec_##tag,           \
                 "Inconsistent vector specification in ICETYPE_PROPS_TABLE");
 ICETYPE_PROPS_TABLE
 #undef X
 
 struct TypeAttributeFields {
   int8_t TypeWidthInBytesLog2;
   size_t TypeAlignInBytes;
   size_t TypeNumElements;
   Type TypeElementType;
   const char *DisplayString;
+  const char *RegClassString;
 };
 
 const struct TypeAttributeFields TypeAttributes[] = {
-#define X(tag, sizeLog2, align, elts, elty, str)                               \
-  { sizeLog2, align, elts, IceType_##elty, str }                               \
+#define X(tag, sizeLog2, align, elts, elty, str, rcstr)                        \
+  { sizeLog2, align, elts, IceType_##elty, str, rcstr }                        \
   ,
     ICETYPE_TABLE
 #undef X
 };
 
 struct TypePropertyFields {
   bool TypeIsVectorType;
   bool TypeIsIntegerType;
   bool TypeIsScalarIntegerType;
   bool TypeIsVectorIntegerType;
@@ skipping 164 matching lines @@
 // ======================== Dump routines ======================== //
 
 const char *typeString(Type Ty) {
   size_t Index = static_cast<size_t>(Ty);
   if (Index < IceType_NUM)
     return TypeAttributes[Index].DisplayString;
   llvm_unreachable("Invalid type for typeString");
   return "???";
 }
 
+const char *regClassString(RegClass C) {
+  if (static_cast<size_t>(C) < IceType_NUM)
+    return TypeAttributes[C].RegClassString;
+  llvm_unreachable("Invalid type for regClassString");
+  return "???";
+}
+
 void FuncSigType::dump(Ostream &Stream) const {
   if (!BuildDefs::dump())
     return;
   Stream << ReturnType << " (";
   bool IsFirst = true;
   for (const Type ArgTy : ArgList) {
     if (IsFirst) {
       IsFirst = false;
     } else {
       Stream << ", ";
     }
     Stream << ArgTy;
   }
   Stream << ")";
 }
 
 } // end of namespace Ice