[clang] [AMDGPU][SPIRV] Use SPIR-V syncscopes for some AMDGCN BIs (PR #154867)

[via cfe-commits]

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@@ -227,6 +235,8 @@ void CodeGenFunction::ProcessOrderScopeAMDGCN(Value *Order, Value *Scope,
   // Some of the atomic builtins take the scope as a string name.
   StringRef scp;
   if (llvm::getConstantStringInfo(Scope, scp)) {
+    if (getTarget().getTriple().isSPIRV())
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grantchen08 wrote:

can we switch to a table-like approach to make this part of code more readable?

or just call the mapping function just once after the original switch statement?

https://github.com/llvm/llvm-project/pull/154867