[llvm] 4da6a48 - [CSE] Make some basic EarlyCSE::StackNode helper methods const. NFCI.

[Simon Pilgrim via llvm-commits]

Author: Simon Pilgrim
Date: 2020-10-31T12:16:48Z
New Revision: 4da6a4839933a434294045bf762a73400fd2f4e3

URL: https://github.com/llvm/llvm-project/commit/4da6a4839933a434294045bf762a73400fd2f4e3
DIFF: https://github.com/llvm/llvm-project/commit/4da6a4839933a434294045bf762a73400fd2f4e3.diff

LOG: [CSE] Make some basic EarlyCSE::StackNode helper methods const. NFCI.

Fixes a number of cppcheck remarks.

Added: 
    

Modified: 
    llvm/lib/Transforms/Scalar/EarlyCSE.cpp

Removed: 
    


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diff  --git a/llvm/lib/Transforms/Scalar/EarlyCSE.cpp b/llvm/lib/Transforms/Scalar/EarlyCSE.cpp
index 9424ff5a169f..bd8358d12bfd 100644
--- a/llvm/lib/Transforms/Scalar/EarlyCSE.cpp
+++ b/llvm/lib/Transforms/Scalar/EarlyCSE.cpp
@@ -656,11 +656,11 @@ class EarlyCSE {
     StackNode &operator=(const StackNode &) = delete;
 
     // Accessors.
-    unsigned currentGeneration() { return CurrentGeneration; }
-    unsigned childGeneration() { return ChildGeneration; }
+    unsigned currentGeneration() const { return CurrentGeneration; }
+    unsigned childGeneration() const { return ChildGeneration; }
     void childGeneration(unsigned generation) { ChildGeneration = generation; }
     DomTreeNode *node() { return Node; }
-    DomTreeNode::const_iterator childIter() { return ChildIter; }
+    DomTreeNode::const_iterator childIter() const { return ChildIter; }
 
     DomTreeNode *nextChild() {
       DomTreeNode *child = *ChildIter;
@@ -668,8 +668,8 @@ class EarlyCSE {
       return child;
     }
 
-    DomTreeNode::const_iterator end() { return EndIter; }
-    bool isProcessed() { return Processed; }
+    DomTreeNode::const_iterator end() const { return EndIter; }
+    bool isProcessed() const { return Processed; }
     void process() { Processed = true; }
 
   private: