[llvm] 5b5b241 - [TableGen] Avoid repeated hash lookups (NFC) (#120619)

[via llvm-commits]

Author: Kazu Hirata
Date: 2024-12-19T13:02:55-08:00
New Revision: 5b5b241edf78bd8e34ccf1ce352e86e571a32b4c

URL: https://github.com/llvm/llvm-project/commit/5b5b241edf78bd8e34ccf1ce352e86e571a32b4c
DIFF: https://github.com/llvm/llvm-project/commit/5b5b241edf78bd8e34ccf1ce352e86e571a32b4c.diff

LOG: [TableGen] Avoid repeated hash lookups (NFC) (#120619)

Added: 
    

Modified: 
    llvm/utils/TableGen/Common/CodeGenDAGPatterns.cpp

Removed: 
    


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diff  --git a/llvm/utils/TableGen/Common/CodeGenDAGPatterns.cpp b/llvm/utils/TableGen/Common/CodeGenDAGPatterns.cpp
index 193d29717d2c96..1a393beaa14f96 100644
--- a/llvm/utils/TableGen/Common/CodeGenDAGPatterns.cpp
+++ b/llvm/utils/TableGen/Common/CodeGenDAGPatterns.cpp
@@ -3290,10 +3290,9 @@ void CodeGenDAGPatterns::ParsePatternFragments(bool OutFrags) {
       if (!OpsList->getArgName(j))
         P->error("Operands list should have names for each operand!");
       StringRef ArgNameStr = OpsList->getArgNameStr(j);
-      if (!OperandsSet.count(ArgNameStr))
+      if (!OperandsSet.erase(ArgNameStr))
         P->error("'" + ArgNameStr +
                  "' does not occur in pattern or was multiply specified!");
-      OperandsSet.erase(ArgNameStr);
       Args.push_back(std::string(ArgNameStr));
     }