[clang] clang: Report full triple arch string in --offload-arch diagnostic (PR #195849)

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llvmorg-github-actions[bot] wrote:


<!--LLVM PR SUMMARY COMMENT-->

@llvm/pr-subscribers-clang

Author: Matt Arsenault (arsenm)

<details>
<summary>Changes</summary>

This was previously only printing the top level arch string. Print
the full arch + subarch from the triple.

---
Full diff: https://github.com/llvm/llvm-project/pull/195849.diff


1 Files Affected:

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


``````````diff
diff --git a/clang/lib/Driver/Driver.cpp b/clang/lib/Driver/Driver.cpp
index a283abef09f32..6546e2a809dc9 100644
--- a/clang/lib/Driver/Driver.cpp
+++ b/clang/lib/Driver/Driver.cpp
@@ -4879,7 +4879,7 @@ Driver::getOffloadArchs(Compilation &C, const llvm::opt::DerivedArgList &Args,
           auto GPUsOrErr = TC.getSystemGPUArchs(Args);
           if (!GPUsOrErr) {
             TC.getDriver().Diag(diag::err_drv_undetermined_gpu_arch)
-                << llvm::Triple::getArchTypeName(TC.getArch())
+                << TC.getTriple().getArchName()
                 << llvm::toString(GPUsOrErr.takeError()) << "--offload-arch";
             continue;
           }

``````````

</details>


https://github.com/llvm/llvm-project/pull/195849