[clang] [llvm] [clang] Add support for the c2000 architecture (PR #125663)

[via llvm-commits]

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@@ -1571,6 +1572,13 @@ Compilation *Driver::BuildCompilation(ArrayRef<const char *> ArgList) {
     } else {
       Diag(diag::err_drv_dxc_missing_target_profile);
     }
+  } else if (IsC2000Mode()) {
+    llvm::Triple T(TargetTriple);
+    T.setArch(llvm::Triple::c2000);
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student433 wrote:

I also thought this would make sense and I think currently a 4 component(arch, vendor, OS, env) string is created for triple. Maybe c28-ti-unknown-eabi makes more sense then, if it also makes sense to upstream. 

https://github.com/llvm/llvm-project/pull/125663