[llvm] [Hexagon] Avoid repeated map lookups (NFC) (PR #126185)

[via llvm-commits]

llvmbot wrote:


<!--LLVM PR SUMMARY COMMENT-->

@llvm/pr-subscribers-backend-hexagon

Author: Kazu Hirata (kazutakahirata)

<details>
<summary>Changes</summary>



---
Full diff: https://github.com/llvm/llvm-project/pull/126185.diff


1 Files Affected:

- (modified) llvm/lib/Target/Hexagon/HexagonMachineFunctionInfo.h (+4-4) 


``````````diff
diff --git a/llvm/lib/Target/Hexagon/HexagonMachineFunctionInfo.h b/llvm/lib/Target/Hexagon/HexagonMachineFunctionInfo.h
index cb4a7a8c393fcd4..c5df02fa3b89cb4 100644
--- a/llvm/lib/Target/Hexagon/HexagonMachineFunctionInfo.h
+++ b/llvm/lib/Target/Hexagon/HexagonMachineFunctionInfo.h
@@ -70,12 +70,12 @@ class HexagonMachineFunctionInfo : public MachineFunctionInfo {
     PacketInfo[MI] |= Hexagon::EndPacket;
   }
   bool isStartPacket(const MachineInstr* MI) const {
-    return (PacketInfo.count(MI) &&
-            (PacketInfo.find(MI)->second & Hexagon::StartPacket));
+    auto It = PacketInfo.find(MI);
+    return It != PacketInfo.end() && (It->second & Hexagon::StartPacket);
   }
   bool isEndPacket(const MachineInstr* MI) const {
-    return (PacketInfo.count(MI) &&
-            (PacketInfo.find(MI)->second & Hexagon::EndPacket));
+    auto It = PacketInfo.find(MI);
+    return It != PacketInfo.end() && (It->second & Hexagon::EndPacket);
   }
   void setHasClobberLR(bool v) { HasClobberLR = v;  }
   bool hasClobberLR() const { return HasClobberLR; }

``````````

</details>


https://github.com/llvm/llvm-project/pull/126185