8373577: C2: Cleanup adr_type of CallLeafPureNode

Reviewed-by: roland, vlivanov

Author: Quan Anh Mai

src/hotspot/share/opto/callnode.hpp

@@ -943,9 +943,8 @@ class CallLeafPureNode : public CallLeafNode {
   TupleNode* make_tuple_of_input_state_and_top_return_values(const Compile* C) const;
 
 public:
-  CallLeafPureNode(const TypeFunc* tf, address addr, const char* name,
-                   const TypePtr* adr_type)
-      : CallLeafNode(tf, addr, name, adr_type) {
+  CallLeafPureNode(const TypeFunc* tf, address addr, const char* name)
+      : CallLeafNode(tf, addr, name, nullptr) {
     init_class_id(Class_CallLeafPure);
   }
   int Opcode() const override;

src/hotspot/share/opto/divnode.cpp

@@ -42,7 +42,7 @@
 
 #include <math.h>
 
-ModFloatingNode::ModFloatingNode(Compile* C, const TypeFunc* tf, address addr, const char* name) : CallLeafPureNode(tf, addr, name, TypeRawPtr::BOTTOM) {
+ModFloatingNode::ModFloatingNode(Compile* C, const TypeFunc* tf, address addr, const char* name) : CallLeafPureNode(tf, addr, name) {
   add_flag(Flag_is_macro);
   C->add_macro_node(this);
 }

src/hotspot/share/opto/graphKit.cpp

@@ -2505,7 +2505,8 @@ Node* GraphKit::make_runtime_call(int flags,
     uint num_bits = call_type->range()->field_at(TypeFunc::Parms)->is_vect()->length_in_bytes() * BitsPerByte;
     call = new CallLeafVectorNode(call_type, call_addr, call_name, adr_type, num_bits);
   } else if (flags & RC_PURE) {
-    call = new CallLeafPureNode(call_type, call_addr, call_name, adr_type);
+    assert(adr_type == nullptr, "pure call does not touch memory");
+    call = new CallLeafPureNode(call_type, call_addr, call_name);
   } else {
     call = new CallLeafNode(call_type, call_addr, call_name, adr_type);
   }

src/hotspot/share/opto/macro.cpp

@@ -2658,8 +2658,7 @@ bool PhaseMacroExpand::expand_macro_nodes() {
       case Op_ModD:
       case Op_ModF: {
         CallNode* mod_macro = n->as_Call();
-        CallNode* call = new CallLeafPureNode(mod_macro->tf(), mod_macro->entry_point(),
-                                              mod_macro->_name, TypeRawPtr::BOTTOM);
+        CallNode* call = new CallLeafPureNode(mod_macro->tf(), mod_macro->entry_point(), mod_macro->_name);
         call->init_req(TypeFunc::Control, mod_macro->in(TypeFunc::Control));
         call->init_req(TypeFunc::I_O, C->top());
         call->init_req(TypeFunc::Memory, C->top());