Changes in directory llvm/lib/VMCore:
Type.cpp updated: 1.141 -> 1.142
---
Log message:
Moving this function to a permanent home to prevent a dependency cycle created
by the inline heuristic. Was preventing llvm-gcc4 from building.
---
Diffs of the changes: (+19 -0)
Type.cpp | 19 +++++++++++++++++++
1 files changed, 19 insertions(+)
Index: llvm/lib/VMCore/Type.cpp
diff -u llvm/lib/VMCore/Type.cpp:1.141 llvm/lib/VMCore/Type.cpp:1.142
--- llvm/lib/VMCore/Type.cpp:1.141 Wed Jun 28 16:38:54 2006
+++ llvm/lib/VMCore/Type.cpp Tue Jul 25 18:22:00 2006
@@ -33,6 +33,25 @@
AbstractTypeUser::~AbstractTypeUser() {}
+
+//===----------------------------------------------------------------------===//
+// Type PATypeHolder Implementation
+//===----------------------------------------------------------------------===//
+
+// This routine was moved here to resolve a cyclic dependency caused by
+// inline heuristics.
+
+/// get - This implements the forwarding part of the union-find algorithm for
+/// abstract types. Before every access to the Type*, we check to see if the
+/// type we are pointing to is forwarding to a new type. If so, we drop our
+/// reference to the type.
+///
+Type* PATypeHolder::get() const {
+ const Type *NewTy = Ty->getForwardedType();
+ if (!NewTy) return const_cast<Type*>(Ty);
+ return *const_cast<PATypeHolder*>(this) = NewTy;
+}
+
//===----------------------------------------------------------------------===//
// Type Class Implementation
//===----------------------------------------------------------------------===//
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