[llvm-commits] CVS: llvm/include/llvm/Type.h DerivedTypes.h Constants.h

[Chris Lattner]

Changes in directory llvm/include/llvm:

Type.h updated: 1.82 -> 1.83
DerivedTypes.h updated: 1.70 -> 1.71
Constants.h updated: 1.77 -> 1.78
---
Log message:

add a new Type::getIntegralTypeMask() method, which is useful for clients that
want to do bitwise inspection of integer types.


---
Diffs of the changes:  (+9 -2)

 Constants.h    |    1 -
 DerivedTypes.h |    1 -
 Type.h         |    9 +++++++++
 3 files changed, 9 insertions(+), 2 deletions(-)


Index: llvm/include/llvm/Type.h
diff -u llvm/include/llvm/Type.h:1.82 llvm/include/llvm/Type.h:1.83
--- llvm/include/llvm/Type.h:1.82	Mon Dec 26 02:36:53 2005
+++ llvm/include/llvm/Type.h	Tue Feb  7 00:17:10 2006
@@ -36,6 +36,7 @@
 
 #include "AbstractTypeUser.h"
 #include "llvm/Support/Casting.h"
+#include "llvm/Support/DataTypes.h"
 #include "llvm/ADT/GraphTraits.h"
 #include "llvm/ADT/iterator"
 #include <string>
@@ -232,6 +233,14 @@
   /// getSignedVersion - If this is an integer type, return the signed variant
   /// of this type.  For example uint -> int.
   const Type *getSignedVersion() const;
+  
+  /// getIntegralTypeMask - Return a bitmask with ones set for all of the bits
+  /// that can be set by an unsigned version of this type.  This is 0xFF for
+  /// sbyte/ubyte, 0xFFFF for shorts, etc.
+  uint64_t getIntegralTypeMask() const {
+    assert(isIntegral() && "This only works for integral types!");
+    return ~0ULL >> (64-getPrimitiveSizeInBits());
+  }
 
   /// getForwaredType - Return the type that this type has been resolved to if
   /// it has been resolved to anything.  This is used to implement the


Index: llvm/include/llvm/DerivedTypes.h
diff -u llvm/include/llvm/DerivedTypes.h:1.70 llvm/include/llvm/DerivedTypes.h:1.71
--- llvm/include/llvm/DerivedTypes.h:1.70	Sat Nov 12 21:26:12 2005
+++ llvm/include/llvm/DerivedTypes.h	Tue Feb  7 00:17:10 2006
@@ -19,7 +19,6 @@
 #define LLVM_DERIVED_TYPES_H
 
 #include "llvm/Type.h"
-#include "llvm/Support/DataTypes.h"
 
 namespace llvm {
 


Index: llvm/include/llvm/Constants.h
diff -u llvm/include/llvm/Constants.h:1.77 llvm/include/llvm/Constants.h:1.78
--- llvm/include/llvm/Constants.h:1.77	Tue Jan 17 14:05:59 2006
+++ llvm/include/llvm/Constants.h	Tue Feb  7 00:17:10 2006
@@ -22,7 +22,6 @@
 
 #include "llvm/Constant.h"
 #include "llvm/Type.h"
-#include "llvm/Support/DataTypes.h"
 
 namespace llvm {