[llvm] [X86][NFC] Use `auto &` to avoid copy (PR #134532)

[via llvm-commits]

llvmbot wrote:


<!--LLVM PR SUMMARY COMMENT-->

@llvm/pr-subscribers-backend-x86

Author: Abhishek Kaushik (abhishek-kaushik22)

<details>
<summary>Changes</summary>



---
Full diff: https://github.com/llvm/llvm-project/pull/134532.diff


1 Files Affected:

- (modified) llvm/lib/Target/X86/MCTargetDesc/X86MCTargetDesc.cpp (+1-1) 


``````````diff
diff --git a/llvm/lib/Target/X86/MCTargetDesc/X86MCTargetDesc.cpp b/llvm/lib/Target/X86/MCTargetDesc/X86MCTargetDesc.cpp
index ad94e306f339e..9660dc6171005 100644
--- a/llvm/lib/Target/X86/MCTargetDesc/X86MCTargetDesc.cpp
+++ b/llvm/lib/Target/X86/MCTargetDesc/X86MCTargetDesc.cpp
@@ -631,7 +631,7 @@ std::vector<std::pair<uint64_t, uint64_t>>
 X86MCInstrAnalysis::findPltEntries(uint64_t PltSectionVA,
                                    ArrayRef<uint8_t> PltContents,
                                    const MCSubtargetInfo &STI) const {
-  const auto TargetTriple = STI.getTargetTriple();
+  const auto &TargetTriple = STI.getTargetTriple();
   switch (TargetTriple.getArch()) {
   case Triple::x86:
     return findX86PltEntries(PltSectionVA, PltContents);

``````````

</details>


https://github.com/llvm/llvm-project/pull/134532