[llvm-commits] CVS: llvm/lib/VMCore/ValueTypes.cpp

[Chris Lattner]

Changes in directory llvm/lib/VMCore:

ValueTypes.cpp updated: 1.15 -> 1.16
---
Log message:

add a method to turn a type into a VT.


---
Diffs of the changes:  (+28 -0)

 ValueTypes.cpp |   28 ++++++++++++++++++++++++++++
 1 files changed, 28 insertions(+)


Index: llvm/lib/VMCore/ValueTypes.cpp
diff -u llvm/lib/VMCore/ValueTypes.cpp:1.15 llvm/lib/VMCore/ValueTypes.cpp:1.16
--- llvm/lib/VMCore/ValueTypes.cpp:1.15	Sat Mar 24 12:36:26 2007
+++ llvm/lib/VMCore/ValueTypes.cpp	Fri Mar 30 23:03:02 2007
@@ -110,3 +110,31 @@
   case MVT::v2f64: return VectorType::get(Type::DoubleTy, 2);
   }
 }
+
+/// MVT::getValueType - Return the value type corresponding to the specified
+/// type.  This returns all vectors as MVT::Vector and all pointers as
+/// MVT::iPTR.
+MVT::ValueType MVT::getValueType(const Type *Ty) {
+  switch (Ty->getTypeID()) {
+  default: assert(0 && "Unknown type!");
+  case Type::VoidTyID:
+    return MVT::isVoid;
+  case Type::IntegerTyID:
+    switch (cast<IntegerType>(Ty)->getBitWidth()) {
+    default:
+      // FIXME: Return MVT::iANY.
+      assert(0 && "Invalid width for value type");
+    case 1:    return MVT::i1;
+    case 8:    return MVT::i8;
+    case 16:   return MVT::i16;
+    case 32:   return MVT::i32;
+    case 64:   return MVT::i64;
+    case 128:  return MVT::i128;
+    }
+    break;
+  case Type::FloatTyID:   return MVT::f32;
+  case Type::DoubleTyID:  return MVT::f64;
+  case Type::PointerTyID: return MVT::iPTR;
+  case Type::VectorTyID:  return MVT::Vector;
+  }
+}