[llvm] [AsmParser] Remove unnecessary casts (NFC) (PR #146549)

[Shilei Tian via llvm-commits]

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@@ -1234,14 +1234,12 @@ bool LLParser::parseAliasOrIFunc(const std::string &Name, unsigned NameID,
   std::unique_ptr<GlobalIFunc> GI;
   GlobalValue *GV;
   if (IsAlias) {
-    GA.reset(GlobalAlias::create(Ty, AddrSpace,
-                                 (GlobalValue::LinkageTypes)Linkage, Name,
-                                 Aliasee, /*Parent*/ nullptr));
+    GA.reset(GlobalAlias::create(Ty, AddrSpace, Linkage, Name, Aliasee,
+                                 /*Parent*/nullptr));
     GV = GA.get();
   } else {
-    GI.reset(GlobalIFunc::create(Ty, AddrSpace,
-                                 (GlobalValue::LinkageTypes)Linkage, Name,
-                                 Aliasee, /*Parent*/ nullptr));
+    GI.reset(GlobalIFunc::create(Ty, AddrSpace, Linkage, Name, Aliasee,
+                                 /*Parent*/nullptr));
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shiltian wrote:

The LLVM code style would be `/*Parent=*/nullptr`.

https://github.com/llvm/llvm-project/pull/146549