[llvm] 3940a1b - [Float2Int] Avoid repeated hash lookups (NFC) (#107795)

[via llvm-commits]

Author: Kazu Hirata
Date: 2024-09-09T07:13:52-07:00
New Revision: 3940a1ba1454afec916be86385bb2031526e3e13

URL: https://github.com/llvm/llvm-project/commit/3940a1ba1454afec916be86385bb2031526e3e13
DIFF: https://github.com/llvm/llvm-project/commit/3940a1ba1454afec916be86385bb2031526e3e13.diff

LOG: [Float2Int] Avoid repeated hash lookups (NFC) (#107795)

Added: 
    

Modified: 
    llvm/lib/Transforms/Scalar/Float2Int.cpp

Removed: 
    


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diff  --git a/llvm/lib/Transforms/Scalar/Float2Int.cpp b/llvm/lib/Transforms/Scalar/Float2Int.cpp
index a4a1438dbe41a8..98ecbe400543e1 100644
--- a/llvm/lib/Transforms/Scalar/Float2Int.cpp
+++ b/llvm/lib/Transforms/Scalar/Float2Int.cpp
@@ -115,11 +115,7 @@ void Float2IntPass::findRoots(Function &F, const DominatorTree &DT) {
 // Helper - mark I as having been traversed, having range R.
 void Float2IntPass::seen(Instruction *I, ConstantRange R) {
   LLVM_DEBUG(dbgs() << "F2I: " << *I << ":" << R << "\n");
-  auto IT = SeenInsts.find(I);
-  if (IT != SeenInsts.end())
-    IT->second = std::move(R);
-  else
-    SeenInsts.insert(std::make_pair(I, std::move(R)));
+  SeenInsts.insert_or_assign(I, std::move(R));
 }
 
 // Helper - get a range representing a poison value.