[llvm] 0f83456 - [CodeGen] SDDbgValue::getSDNodes() - use const-ref to avoid unnecessary copies. NFCI.

[Simon Pilgrim via llvm-commits]

Author: Simon Pilgrim
Date: 2021-09-21T13:01:08+01:00
New Revision: 0f83456cf5bfaa731f9d5aa2500a5f10dd9de1b7

URL: https://github.com/llvm/llvm-project/commit/0f83456cf5bfaa731f9d5aa2500a5f10dd9de1b7
DIFF: https://github.com/llvm/llvm-project/commit/0f83456cf5bfaa731f9d5aa2500a5f10dd9de1b7.diff

LOG: [CodeGen] SDDbgValue::getSDNodes() - use const-ref to avoid unnecessary copies. NFCI.

Reported by MSVC static analyzer.

Added: 
    

Modified: 
    llvm/lib/CodeGen/SelectionDAG/SDNodeDbgValue.h

Removed: 
    


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diff  --git a/llvm/lib/CodeGen/SelectionDAG/SDNodeDbgValue.h b/llvm/lib/CodeGen/SelectionDAG/SDNodeDbgValue.h
index 75b4242a415c4..f64b332a7feff 100644
--- a/llvm/lib/CodeGen/SelectionDAG/SDNodeDbgValue.h
+++ b/llvm/lib/CodeGen/SelectionDAG/SDNodeDbgValue.h
@@ -192,7 +192,7 @@ class SDDbgValue {
   // Returns the SDNodes which this SDDbgValue depends on.
   SmallVector<SDNode *> getSDNodes() const {
     SmallVector<SDNode *> Dependencies;
-    for (SDDbgOperand DbgOp : getLocationOps())
+    for (const SDDbgOperand &DbgOp : getLocationOps())
       if (DbgOp.getKind() == SDDbgOperand::SDNODE)
         Dependencies.push_back(DbgOp.getSDNode());
     for (SDNode *Node : getAdditionalDependencies())