[PATCH] D152237: [CodeGen] Disable default copy ctor and copy assignment operator for PressureDiffs

[Bing Yu via Phabricator via llvm-commits]

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Repository:
  rG LLVM Github Monorepo

https://reviews.llvm.org/D152237

Files:
  llvm/include/llvm/CodeGen/RegisterPressure.h


Index: llvm/include/llvm/CodeGen/RegisterPressure.h
===================================================================
--- llvm/include/llvm/CodeGen/RegisterPressure.h
+++ llvm/include/llvm/CodeGen/RegisterPressure.h
@@ -201,6 +201,8 @@
 
 public:
   PressureDiffs() = default;
+  PressureDiffs &operator=(const PressureDiffs &other) = delete;
+  PressureDiffs(const PressureDiffs &other) = delete;
   ~PressureDiffs() { free(PDiffArray); }
 
   void clear() { Size = 0; }


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