implement these methods.

llvm-svn: 19571

1 files changed, 52 insertions, 0 deletions

diff --git a/llvm/lib/CodeGen/ValueTypes.cpp b/llvm/lib/CodeGen/ValueTypes.cpp
new file mode 100644
index 00000000000..b11df341713
--- /dev/null
+++ b/llvm/lib/CodeGen/ValueTypes.cpp
@@ -0,0 +1,52 @@
+//===-- ValueTypes.cpp - Implementation of MVT::ValueType methods ---------===//
+// 
+//                     The LLVM Compiler Infrastructure
+//
+// This file was developed by the LLVM research group and is distributed under
+// the University of Illinois Open Source License. See LICENSE.TXT for details.
+// 
+//===----------------------------------------------------------------------===//
+//
+// This file implements methods in the CodeGen/ValueTypes.h header.
+//
+//===----------------------------------------------------------------------===//
+
+#include "llvm/CodeGen/ValueTypes.h"
+#include "llvm/Type.h"
+using namespace llvm;
+
+/// MVT::getValueTypeString - This function returns value type as a string,
+/// e.g. "i32".
+const char *MVT::getValueTypeString(MVT::ValueType VT) {
+  switch (VT) {
+  default: assert(0 && "Invalid ValueType!");
+  case MVT::i1:    return "i1";
+  case MVT::i8:    return "i8";
+  case MVT::i16:   return "i16";
+  case MVT::i32:   return "i32";
+  case MVT::i64:   return "i64";
+  case MVT::i128:  return "i128";
+  case MVT::f32:   return "f32";
+  case MVT::f64:   return "f64";
+  case MVT::f80:   return "f80";
+  case MVT::f128:  return "f128";
+  case MVT::Other: return "ch";
+  }
+}
+
+/// MVT::getTypeForValueType - This method returns an LLVM type corresponding
+/// to the specified ValueType.  For integer types, this returns an unsigned
+/// type.  Note that this will abort for types that cannot be represented.
+const Type *MVT::getTypeForValueType(MVT::ValueType VT) {
+  switch (VT) {
+  default: assert(0 && "ValueType does not correspond to LLVM type!");
+  case MVT::isVoid:return Type::VoidTy;
+  case MVT::i1:    return Type::BoolTy;
+  case MVT::i8:    return Type::UByteTy;
+  case MVT::i16:   return Type::UShortTy;
+  case MVT::i32:   return Type::UIntTy;
+  case MVT::i64:   return Type::ULongTy;
+  case MVT::f32:   return Type::FloatTy;
+  case MVT::f64:   return Type::DoubleTy;
+  }
+}