[clang] [llvm] [clang][Driver] Add HIPAMD Driver support for AMDGCN flavoured SPIR-V (PR #95061)

[Alex Voicu via cfe-commits]

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@@ -907,7 +907,8 @@ void CodeGenModule::Release() {
   if (Context.getTargetInfo().getTriple().isWasm())
     EmitMainVoidAlias();
 
-  if (getTriple().isAMDGPU()) {
+  if (getTriple().isAMDGPU() ||
+      (getTriple().isSPIRV() && getTriple().getVendor() == llvm::Triple::AMD)) {
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AlexVlx wrote:

> I didn't know the vendor got used for anything.

This matches how we've documented it when we added the AMDGCN flavoured SPIR-V, and seemed to reflect the idea that this is SPIRV(64) with customisations for AMD as the vendor; do you think it is or can become problematic?

https://github.com/llvm/llvm-project/pull/95061