[clang] [llvm] [polly] [IR] Store Triple in Module (NFC) (PR #129868)

[Yingwei Zheng via cfe-commits]

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@@ -79,7 +79,7 @@ SPIRVTranslate(Module *M, std::string &SpirvObj, std::string &ErrMsg,
 
   if (TargetTriple.getTriple().empty()) {
     TargetTriple.setTriple(DefaultTriple);
-    M->setTargetTriple(DefaultTriple);
+    M->setTargetTriple(Triple(DefaultTriple));
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dtcxzyw wrote:

```suggestion
    M->setTargetTriple(TargetTriple);
```

https://github.com/llvm/llvm-project/pull/129868