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

[Chris Lattner]

Changes in directory llvm/lib/VMCore:

Type.cpp updated: 1.102 -> 1.103

---
Log message:

Fix Type::isSized() to realize that "{ opaque }" is not sized


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Diffs of the changes:  (+15 -0)

Index: llvm/lib/VMCore/Type.cpp
diff -u llvm/lib/VMCore/Type.cpp:1.102 llvm/lib/VMCore/Type.cpp:1.103
--- llvm/lib/VMCore/Type.cpp:1.102	Thu Jun 17 13:18:53 2004
+++ llvm/lib/VMCore/Type.cpp	Fri Jul  2 18:20:17 2004
@@ -159,6 +159,21 @@
   }
 }
 
+/// isSizedDerivedType - Derived types like structures and arrays are sized
+/// iff all of the members of the type are sized as well.  Since asking for
+/// their size is relatively uncommon, move this operation out of line.
+bool Type::isSizedDerivedType() const {
+  if (const ArrayType *ATy = dyn_cast<ArrayType>(this))
+    return ATy->getElementType()->isSized();
+
+  if (!isa<StructType>(this)) return false;
+
+  // Okay, our struct is sized if all of the elements are...
+  for (subtype_iterator I = subtype_begin(), E = subtype_end(); I != E; ++I)
+    if (!(*I)->isSized()) return false;
+
+  return true;
+}
 
 /// getForwardedTypeInternal - This method is used to implement the union-find
 /// algorithm for when a type is being forwarded to another type.