[llvm] [CodeGen] Avoid repeated hash lookups (NFC) (PR #124455)

[via llvm-commits]

llvmbot wrote:


<!--LLVM PR SUMMARY COMMENT-->

@llvm/pr-subscribers-llvm-regalloc

Author: Kazu Hirata (kazutakahirata)

<details>
<summary>Changes</summary>



---
Full diff: https://github.com/llvm/llvm-project/pull/124455.diff


1 Files Affected:

- (modified) llvm/lib/CodeGen/InlineSpiller.cpp (+2-1) 


``````````diff
diff --git a/llvm/lib/CodeGen/InlineSpiller.cpp b/llvm/lib/CodeGen/InlineSpiller.cpp
index d98254650a001c..33915d0f7f8297 100644
--- a/llvm/lib/CodeGen/InlineSpiller.cpp
+++ b/llvm/lib/CodeGen/InlineSpiller.cpp
@@ -1578,7 +1578,8 @@ void HoistSpillHelper::runHoistSpills(
       for (auto *const SpillBB : SpillsInSubTree) {
         // When SpillBB is a BB contains original spill, insert the spill
         // to SpillsToRm.
-        if (SpillsToKeep.contains(SpillBB) && !SpillsToKeep[SpillBB]) {
+        if (auto It = SpillsToKeep.find(SpillBB);
+            It != SpillsToKeep.end() && !It->second) {
           MachineInstr *SpillToRm = SpillBBToSpill[SpillBB];
           SpillsToRm.push_back(SpillToRm);
         }

``````````

</details>


https://github.com/llvm/llvm-project/pull/124455