aboutsummaryrefslogtreecommitdiff
diff options
context:
space:
mode:
-rw-r--r--include/Support/ilist20
-rw-r--r--include/llvm/ADT/ilist20
2 files changed, 40 insertions, 0 deletions
diff --git a/include/Support/ilist b/include/Support/ilist
index 26a2a2569b..1d868f8a4a 100644
--- a/include/Support/ilist
+++ b/include/Support/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;
+ }
+};
+
//===----------------------------------------------------------------------===//
//
diff --git a/include/llvm/ADT/ilist b/include/llvm/ADT/ilist
index 26a2a2569b..1d868f8a4a 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;
+ }
+};
+
//===----------------------------------------------------------------------===//
//