[llvm] 03eb1c9 - [CodeGen] Disable default copy ctor and copy assignment operator for PressureDiffs

[Bing1 Yu via llvm-commits]

Author: Bing1 Yu
Date: 2023-06-08T15:51:13+08:00
New Revision: 03eb1c9755f0d17b5294fadc2ea2f78d690351b4

URL: https://github.com/llvm/llvm-project/commit/03eb1c9755f0d17b5294fadc2ea2f78d690351b4
DIFF: https://github.com/llvm/llvm-project/commit/03eb1c9755f0d17b5294fadc2ea2f78d690351b4.diff

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

Reviewed By: pengfei

Differential Revision: https://reviews.llvm.org/D152237

Added: 
    

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

Removed: 
    


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diff  --git a/llvm/include/llvm/CodeGen/RegisterPressure.h b/llvm/include/llvm/CodeGen/RegisterPressure.h
index 2d08401261709..8a46e505affd2 100644
--- a/llvm/include/llvm/CodeGen/RegisterPressure.h
+++ b/llvm/include/llvm/CodeGen/RegisterPressure.h
@@ -201,6 +201,8 @@ class PressureDiffs {
 
 public:
   PressureDiffs() = default;
+  PressureDiffs &operator=(const PressureDiffs &other) = delete;
+  PressureDiffs(const PressureDiffs &other) = delete;
   ~PressureDiffs() { free(PDiffArray); }
 
   void clear() { Size = 0; }