fix

PGZXB · Jun 9, 2023 · 00464bb · 00464bb
1 parent fed6f3e
commit 00464bb
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Showing 2 changed files with 6 additions and 12 deletions.
diff --git a/taichi/ir/control_flow_graph.cpp b/taichi/ir/control_flow_graph.cpp
@@ -10,14 +10,12 @@
 
 namespace taichi::lang {
 
-CFGNode::CFGNode(ControlFlowGraph *graph,
-                 Block *block,
+CFGNode::CFGNode(Block *block,
                  int begin_location,
                  int end_location,
                  bool is_parallel_executed,
                  CFGNode *prev_node_in_same_block)
-    : graph_(graph),
-      block(block),
+    : block(block),
       begin_location(begin_location),
       end_location(end_location),
       is_parallel_executed(is_parallel_executed),
@@ -39,8 +37,7 @@ CFGNode::CFGNode(ControlFlowGraph *graph,
   }
 }
 
-CFGNode::CFGNode(ControlFlowGraph *graph)
-    : CFGNode(graph, nullptr, -1, -1, false, nullptr) {
+CFGNode::CFGNode() : CFGNode(nullptr, -1, -1, false, nullptr) {
 }
 
 void CFGNode::add_edge(CFGNode *from, CFGNode *to) {

diff --git a/taichi/ir/control_flow_graph.h b/taichi/ir/control_flow_graph.h
@@ -31,7 +31,6 @@ class CFGNode {
  private:
   // For accelerating get_store_forwarding_data()
   std::unordered_set<Block *> parent_blocks_;
-  ControlFlowGraph *graph_;
 
  public:
   // This node corresponds to block->statements[i]
@@ -56,15 +55,14 @@ class CFGNode {
   // https://en.wikipedia.org/wiki/Live_variable_analysis
   std::unordered_set<Stmt *> live_gen, live_kill, live_in, live_out;
 
-  CFGNode(ControlFlowGraph *graph,
-          Block *block,
+  CFGNode(Block *block,
           int begin_location,
           int end_location,
           bool is_parallel_executed,
           CFGNode *prev_node_in_same_block);
 
   // An empty node
-  CFGNode(ControlFlowGraph *graph);
+  CFGNode();
 
   static void add_edge(CFGNode *from, CFGNode *to);
 
@@ -121,8 +119,7 @@ class ControlFlowGraph {
 
   template <typename... Args>
   CFGNode *push_back(Args &&...args) {
-    nodes.emplace_back(
-        std::make_unique<CFGNode>(this, std::forward<Args>(args)...));
+    nodes.emplace_back(std::make_unique<CFGNode>(std::forward<Args>(args)...));
     return nodes.back().get();
   }