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

[Chris Lattner]

Changes in directory llvm/lib/VMCore:

Type.cpp updated: 1.96 -> 1.97

---
Log message:

Add two methods which have been needed for a long time: Type::get(Un)signedVersion


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Diffs of the changes:  (+35 -0)

Index: llvm/lib/VMCore/Type.cpp
diff -u llvm/lib/VMCore/Type.cpp:1.96 llvm/lib/VMCore/Type.cpp:1.97
--- llvm/lib/VMCore/Type.cpp:1.96	Thu Feb 26 01:24:18 2004
+++ llvm/lib/VMCore/Type.cpp	Fri Mar 26 15:43:22 2004
@@ -113,6 +113,41 @@
   }
 }
 
+/// getUnsignedVersion - If this is an integer type, return the unsigned
+/// variant of this type.  For example int -> uint.
+const Type *Type::getUnsignedVersion() const {
+  switch (getPrimitiveID()) {
+  default:
+    assert(isInteger()&&"Type::getUnsignedVersion is only valid for integers!");
+  case Type::UByteTyID:   
+  case Type::SByteTyID:   return Type::UByteTy;
+  case Type::UShortTyID:  
+  case Type::ShortTyID:   return Type::UShortTy;
+  case Type::UIntTyID:    
+  case Type::IntTyID:     return Type::UIntTy;
+  case Type::ULongTyID:   
+  case Type::LongTyID:    return Type::ULongTy;
+  }
+}
+
+/// getSignedVersion - If this is an integer type, return the signed variant
+/// of this type.  For example uint -> int.
+const Type *Type::getSignedVersion() const {
+  switch (getPrimitiveID()) {
+  default:
+    assert(isInteger() && "Type::getSignedVersion is only valid for integers!");
+  case Type::UByteTyID:   
+  case Type::SByteTyID:   return Type::SByteTy;
+  case Type::UShortTyID:  
+  case Type::ShortTyID:   return Type::ShortTy;
+  case Type::UIntTyID:    
+  case Type::IntTyID:     return Type::IntTy;
+  case Type::ULongTyID:   
+  case Type::LongTyID:    return Type::LongTy;
+  }
+}
+
+
 // getPrimitiveSize - Return the basic size of this type if it is a primitive
 // type.  These are fixed by LLVM and are not target dependent.  This will
 // return zero if the type does not have a size or is not a primitive type.