[PATCH] D111101: [lld][WebAssembly] Remove redundant check for undefined global (NFC)

[Heejin Ahn via Phabricator via llvm-commits]

aheejin updated this revision to Diff 377098.
aheejin added a comment.

Address comments


Repository:
  rG LLVM Github Monorepo

CHANGES SINCE LAST ACTION
  https://reviews.llvm.org/D111101/new/

https://reviews.llvm.org/D111101

Files:
  lld/wasm/Relocations.cpp


Index: lld/wasm/Relocations.cpp
===================================================================
--- lld/wasm/Relocations.cpp
+++ lld/wasm/Relocations.cpp
@@ -34,15 +34,11 @@
 static bool allowUndefined(const Symbol* sym) {
   // Undefined functions and globals with explicit import name are allowed to be
   // undefined at link time.
-  if (auto *f = dyn_cast<UndefinedFunction>(sym))
-    if (f->importName || config->importUndefined)
-      return true;
-  if (auto *g = dyn_cast<UndefinedGlobal>(sym))
-    if (g->importName)
-      return true;
-  if (auto *g = dyn_cast<UndefinedGlobal>(sym))
-    if (g->importName)
-      return true;
+  if (sym->importName)
+    return true;
+  if (isa<UndefinedFunction>(sym) || config->importUndefined)
+    return true;
+
   return config->allowUndefinedSymbols.count(sym->getName()) != 0;
 }
 


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