[clang] [CIR][AMDGPU] Adds amdgcn logb and scalebn builtins (PR #191344)

[Andy Kaylor via cfe-commits]

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@@ -2287,7 +2311,8 @@ RValue CIRGenFunction::emitBuiltinExpr(const GlobalDecl &gd, unsigned builtinID,
   // If this is an alias for a lib function (e.g. __builtin_sin), emit
   // the call using the normal call path, but using the unmangled
   // version of the function name.
-  if (getContext().BuiltinInfo.isLibFunction(builtinID))
+  if (!shouldEmitBuiltinAsIR(builtinID, getContext().BuiltinInfo, *this) &&
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andykaylor wrote:

I apologize for the delay in getting back to this. It seems my concern was unfounded. I ran the llvm-test-suite MultiSource tests with this change and saw no regressions.

https://github.com/llvm/llvm-project/pull/191344