[clang] clang: Remove copy of string into temporary set (PR #196373)

[via cfe-commits]

llvmorg-github-actions[bot] wrote:


<!--LLVM PR SUMMARY COMMENT-->

@llvm/pr-subscribers-clang-driver

Author: Matt Arsenault (arsenm)

<details>
<summary>Changes</summary>



---
Full diff: https://github.com/llvm/llvm-project/pull/196373.diff


1 Files Affected:

- (modified) clang/lib/Driver/ToolChains/AMDGPU.cpp (+2-1) 


``````````diff
diff --git a/clang/lib/Driver/ToolChains/AMDGPU.cpp b/clang/lib/Driver/ToolChains/AMDGPU.cpp
index 3a1e82ec01b74..b457ee2cde1c3 100644
--- a/clang/lib/Driver/ToolChains/AMDGPU.cpp
+++ b/clang/lib/Driver/ToolChains/AMDGPU.cpp
@@ -739,7 +739,8 @@ AMDGPUToolChain::TranslateArgs(const DerivedArgList &Args, StringRef BoundArch,
           << getArchName() << llvm::toString(GPUsOrErr.takeError()) << "-mcpu";
     } else {
       auto &GPUs = *GPUsOrErr;
-      if (llvm::SmallSet<std::string, 1>(GPUs.begin(), GPUs.end()).size() > 1)
+      if (llvm::SmallSet<llvm::StringRef, 1>(GPUs.begin(), GPUs.end()).size() >
+          1)
         getDriver().Diag(diag::warn_drv_multi_gpu_arch)
             << getArchName() << llvm::join(GPUs, ", ") << "-mcpu";
       DAL->AddJoinedArg(nullptr, Opts.getOption(options::OPT_mcpu_EQ),

``````````

</details>


https://github.com/llvm/llvm-project/pull/196373