[Mlir-commits] [mlir] c5ea7b8 - [mlir] Avoid repeated hash lookups (NFC) (#113249)

[llvmlistbot at llvm.org]

Author: Kazu Hirata
Date: 2024-10-22T08:00:11-07:00
New Revision: c5ea7b8338e6947b5219f95a60702fac1da633ee

URL: https://github.com/llvm/llvm-project/commit/c5ea7b8338e6947b5219f95a60702fac1da633ee
DIFF: https://github.com/llvm/llvm-project/commit/c5ea7b8338e6947b5219f95a60702fac1da633ee.diff

LOG: [mlir] Avoid repeated hash lookups (NFC) (#113249)

Added: 
    

Modified: 
    mlir/lib/Pass/IRPrinting.cpp

Removed: 
    


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diff  --git a/mlir/lib/Pass/IRPrinting.cpp b/mlir/lib/Pass/IRPrinting.cpp
index 9ffda6402cc07a..99e0601e4749cc 100644
--- a/mlir/lib/Pass/IRPrinting.cpp
+++ b/mlir/lib/Pass/IRPrinting.cpp
@@ -216,11 +216,8 @@ getOpAndSymbolNames(Operation *op, StringRef passName,
   SmallVector<std::pair<std::string, StringRef>> pathElements;
   SmallVector<unsigned> countPrefix;
 
-  if (!counters.contains(op))
-    counters[op] = -1;
-
   Operation *iter = op;
-  ++counters[op];
+  ++counters.try_emplace(op, -1).first->second;
   while (iter) {
     countPrefix.push_back(counters[iter]);
     StringAttr symbolName =