[llvm] [DirectX] Update for API change in #139406 (PR #139470)

[via llvm-commits]

llvmbot wrote:


<!--LLVM PR SUMMARY COMMENT-->

@llvm/pr-subscribers-backend-directx

Author: Justin Bogner (bogner)

<details>
<summary>Changes</summary>

getAsmString returns StringRef now. Fixes build for the DirectX backend.

---
Full diff: https://github.com/llvm/llvm-project/pull/139470.diff


1 Files Affected:

- (modified) llvm/lib/Target/DirectX/DXILWriter/DXILBitcodeWriter.cpp (+1-1) 


``````````diff
diff --git a/llvm/lib/Target/DirectX/DXILWriter/DXILBitcodeWriter.cpp b/llvm/lib/Target/DirectX/DXILWriter/DXILBitcodeWriter.cpp
index 5ce3c7b35493b..1d79c3018439e 100644
--- a/llvm/lib/Target/DirectX/DXILWriter/DXILBitcodeWriter.cpp
+++ b/llvm/lib/Target/DirectX/DXILWriter/DXILBitcodeWriter.cpp
@@ -1974,7 +1974,7 @@ void DXILBitcodeWriter::writeConstants(unsigned FirstVal, unsigned LastVal,
                        unsigned(IA->getDialect() & 1) << 2);
 
       // Add the asm string.
-      const std::string &AsmStr = IA->getAsmString();
+      StringRef AsmStr = IA->getAsmString();
       Record.push_back(AsmStr.size());
       Record.append(AsmStr.begin(), AsmStr.end());
 

``````````

</details>


https://github.com/llvm/llvm-project/pull/139470