From 011ce8d2e401855877803fb6d972a6f6c22242a5 Mon Sep 17 00:00:00 2001
From: Chris Lattner <sabre@nondot.org>
Date: Wed, 23 Apr 2003 16:17:53 +0000
Subject: Allow autoconversion from ilist_iterator<T> to T* in a dyn_cast and
friends
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@5862 91177308-0d34-0410-b5e6-96231b3b80d8
---
include/llvm/ADT/ilist | 20 ++++++++++++++++++++
1 file changed, 20 insertions(+)
(limited to 'include/llvm/ADT/ilist')
diff --git a/include/llvm/ADT/ilist b/include/llvm/ADT/ilist
index 26a2a25..1d868f8 100644
--- a/include/llvm/ADT/ilist
+++ b/include/llvm/ADT/ilist
@@ -151,6 +151,26 @@ public:
pointer getNodePtrUnchecked() const { return NodePtr; }
};
+// Allow ilist_iterators to convert into pointers to a node automatically when
+// used by the dyn_cast, cast, isa mechanisms...
+
+template<typename From> struct simplify_type;
+
+template<typename NodeTy> struct simplify_type<ilist_iterator<NodeTy> > {
+ typedef NodeTy* SimpleType;
+
+ static SimpleType getSimplifiedValue(const ilist_iterator<NodeTy> &Node) {
+ return &*Node;
+ }
+};
+template<typename NodeTy> struct simplify_type<const ilist_iterator<NodeTy> > {
+ typedef NodeTy* SimpleType;
+
+ static SimpleType getSimplifiedValue(const ilist_iterator<NodeTy> &Node) {
+ return &*Node;
+ }
+};
+
//===----------------------------------------------------------------------===//
//
--
cgit v1.1