[clang] [llvm] [Driver][SYCL] Add initial SYCL offload compilation support (PR #107493)

[Tom Honermann via cfe-commits]

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@@ -767,6 +768,26 @@ Driver::OpenMPRuntimeKind Driver::getOpenMPRuntime(const ArgList &Args) const {
   return RT;
 }
 
+static const char *getDefaultSYCLArch(Compilation &C) {
+  if (C.getDefaultToolChain().getTriple().getArch() == llvm::Triple::x86)
+    return "spir";
+  return "spir64";
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tahonermann wrote:

Should these perhaps be "spirv32" and "spirv64"? `Driver::MakeSYCLDeviceTriple()` below seems to indicate that distinct architecture targets exist and comments elsewhere indicate that SPIR-V (not SPIR) is the intended default.

https://github.com/llvm/llvm-project/pull/107493