[clang] [CIR] Add support for indirect calls (PR #139748)

[Andy Kaylor via cfe-commits]

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@@ -937,8 +937,28 @@ CIRGenCallee CIRGenFunction::emitCallee(const clang::Expr *e) {
       return emitDirectCallee(cgm, funcDecl);
   }
 
-  cgm.errorNYI(e->getSourceRange(), "Unsupported callee kind");
-  return {};
+  assert(!cir::MissingFeatures::opCallPseudoDtor());
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andykaylor wrote:

Please add a check for `dyn_cast<MemberExpr>(e)` and add an `errorNYI` for that case.

Also, the two inner `if` statements above fall through to here, but I'm not convinced we have an indirect call in those cases. Maybe add NYI handlers there too?

https://github.com/llvm/llvm-project/pull/139748