[PATCH] D148982: [clang][Interp] Fix ignoring conditional operators

Timm Bäder via Phabricator via cfe-commits cfe-commits at lists.llvm.org
Tue Jul 25 22:51:01 PDT 2023


This revision was landed with ongoing or failed builds.
This revision was automatically updated to reflect the committed changes.
Closed by commit rG2606545b0204: [clang][Interp] Fix ignoring conditional operators (authored by tbaeder).

Repository:
  rG LLVM Github Monorepo

CHANGES SINCE LAST ACTION
  https://reviews.llvm.org/D148982/new/

https://reviews.llvm.org/D148982

Files:
  clang/lib/AST/Interp/ByteCodeExprGen.cpp
  clang/test/AST/Interp/literals.cpp


Index: clang/test/AST/Interp/literals.cpp
===================================================================
--- clang/test/AST/Interp/literals.cpp
+++ clang/test/AST/Interp/literals.cpp
@@ -857,6 +857,9 @@
 
   (void)5, (void)6;
 
+  1 ? 0 : 1; // expected-warning {{unused}} \
+             // ref-warning {{unused}}
+
   return 0;
 }
 
Index: clang/lib/AST/Interp/ByteCodeExprGen.cpp
===================================================================
--- clang/lib/AST/Interp/ByteCodeExprGen.cpp
+++ clang/lib/AST/Interp/ByteCodeExprGen.cpp
@@ -595,8 +595,9 @@
 template <class Emitter>
 bool ByteCodeExprGen<Emitter>::VisitAbstractConditionalOperator(
     const AbstractConditionalOperator *E) {
-  return this->visitConditional(
-      E, [this](const Expr *E) { return this->visit(E); });
+  return this->visitConditional(E, [this](const Expr *E) {
+    return DiscardResult ? this->discard(E) : this->visit(E);
+  });
 }
 
 template <class Emitter>


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