[PATCH] D147535: [clang][Interp] Don't create global variables more than once

[Timm Bäder via Phabricator via cfe-commits]

This revision was automatically updated to reflect the committed changes.
Closed by commit rGf508d9b1d4fa: [clang][Interp] Don't create global variables more than once (authored by tbaeder).

Repository:
  rG LLVM Github Monorepo

CHANGES SINCE LAST ACTION
  https://reviews.llvm.org/D147535/new/

https://reviews.llvm.org/D147535

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


Index: clang/lib/AST/Interp/ByteCodeExprGen.cpp
===================================================================
--- clang/lib/AST/Interp/ByteCodeExprGen.cpp
+++ clang/lib/AST/Interp/ByteCodeExprGen.cpp
@@ -1562,7 +1562,11 @@
   std::optional<PrimType> VarT = classify(VD->getType());
 
   if (shouldBeGloballyIndexed(VD)) {
-    std::optional<unsigned> GlobalIndex = P.getOrCreateGlobal(VD, Init);
+    // We've already seen and initialized this global.
+    if (P.getGlobal(VD))
+      return true;
+
+    std::optional<unsigned> GlobalIndex = P.createGlobal(VD, Init);
 
     if (!GlobalIndex)
       return this->bail(VD);


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