[llvm] [Utils] Avoid repeated hash lookups (NFC) (PR #131723)

[via llvm-commits]

llvmbot wrote:


<!--LLVM PR SUMMARY COMMENT-->

@llvm/pr-subscribers-llvm-transforms

Author: Kazu Hirata (kazutakahirata)

<details>
<summary>Changes</summary>



---
Full diff: https://github.com/llvm/llvm-project/pull/131723.diff


1 Files Affected:

- (modified) llvm/lib/Transforms/Utils/SCCPSolver.cpp (+4-3) 


``````````diff
diff --git a/llvm/lib/Transforms/Utils/SCCPSolver.cpp b/llvm/lib/Transforms/Utils/SCCPSolver.cpp
index 81aa7ce1cfe66..c64254140cf22 100644
--- a/llvm/lib/Transforms/Utils/SCCPSolver.cpp
+++ b/llvm/lib/Transforms/Utils/SCCPSolver.cpp
@@ -1485,10 +1485,11 @@ void SCCPInstVisitor::visitSelectInst(SelectInst &I) {
   ValueLatticeElement TVal = getValueState(I.getTrueValue());
   ValueLatticeElement FVal = getValueState(I.getFalseValue());
 
-  bool Changed = ValueState[&I].mergeIn(TVal);
-  Changed |= ValueState[&I].mergeIn(FVal);
+  ValueLatticeElement &State = ValueState[&I];
+  bool Changed = State.mergeIn(TVal);
+  Changed |= State.mergeIn(FVal);
   if (Changed)
-    pushToWorkListMsg(ValueState[&I], &I);
+    pushToWorkListMsg(State, &I);
 }
 
 // Handle Unary Operators.

``````````

</details>


https://github.com/llvm/llvm-project/pull/131723