[clang] [clang] Abort on unsupported uefi triples. (PR #124824)

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llvmbot wrote:


<!--LLVM PR SUMMARY COMMENT-->

@llvm/pr-subscribers-clang

Author: Prabhuk (Prabhuk)

<details>
<summary>Changes</summary>



---
Full diff: https://github.com/llvm/llvm-project/pull/124824.diff


1 Files Affected:

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


``````````diff
diff --git a/clang/lib/Driver/Driver.cpp b/clang/lib/Driver/Driver.cpp
index 87855fdb799710..f1cd6353234a90 100644
--- a/clang/lib/Driver/Driver.cpp
+++ b/clang/lib/Driver/Driver.cpp
@@ -6677,6 +6677,8 @@ const ToolChain &Driver::getToolChain(const ArgList &Args,
       TC = std::make_unique<toolchains::AMDGPUToolChain>(*this, Target, Args);
       break;
     case llvm::Triple::UEFI:
+      if(Target.getArch() != llvm::Triple::x86_64)        
+        llvm::report_fatal_error("Currently the only architecture supported by *-uefi triples are x86_64.");
       TC = std::make_unique<toolchains::UEFI>(*this, Target, Args);
       break;
     case llvm::Triple::Win32:

``````````

</details>


https://github.com/llvm/llvm-project/pull/124824