[clang] [CIR] Upstream lowering of conditional operators to TernaryOp (PR #138156)

[Bruno Cardoso Lopes via cfe-commits]

================
@@ -948,6 +950,165 @@ void CIRGenFunction::emitIgnoredExpr(const Expr *e) {
   emitLValue(e);
 }
 
+// Handle the case where the condition is a constant evaluatable simple integer,
+// which means we don't have to separately handle the true/false blocks.
+static std::optional<LValue> handleConditionalOperatorLValueSimpleCase(
----------------
bcardosolopes wrote:

> I would prefer to see it happen in CIRSimplify

+1

https://github.com/llvm/llvm-project/pull/138156