================
@@ -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(
+ CIRGenFunction &cgf, const AbstractConditionalOperator *e) {
+ const Expr *condExpr = e->getCond();
+ bool condExprBool;
+ if (cgf.constantFoldsToSimpleInteger(condExpr, condExprBool)) {
+ const Expr *live = e->getTrueExpr(), *dead = e->getFalseExpr();
+ if (!condExprBool)
+ std::swap(live, dead);
+
+ if (!cgf.containsLabel(dead)) {
+ // If the true case is live, we need to track its region.
+ if (condExprBool) {
+ assert(!cir::MissingFeatures::incrementProfileCounter());
+ }
+ // If a throw expression we emit it and return an undefined lvalue
+ // because it can't be used.
+ if (isa<CXXThrowExpr>(live->IgnoreParens())) {
----------------
erichkeane wrote:
Can this just be `return emitLValueOrThrowExprssion`?
https://github.com/llvm/llvm-project/pull/138156
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