[clang] [CIR] Add math and builtin intrinsics support (PR #175233)

[Andy Kaylor via cfe-commits]

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@@ -1663,6 +1794,12 @@ RValue CIRGenFunction::emitBuiltinExpr(const GlobalDecl &gd, unsigned builtinID,
     return emitLibraryCall(*this, fd, e,
                            cgm.getBuiltinLibFunction(fd, builtinID));
 
+  // If this is a predefined lib function (e.g. malloc), emit the call
+  // using exactly the normal call path.
+  if (getContext().BuiltinInfo.isPredefinedLibFunction(builtinID))
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andykaylor wrote:

Is this needed for the math builtins?

https://github.com/llvm/llvm-project/pull/175233