OMPIRBuilder: Cleanup checking for GlobalValue (#134583)

GlobalValue already subsumes GlobalObject and GlobalVariable,
plus make use of the std::get<0> already copied to a variable
above.

Author: arsenm

llvm/lib/Frontend/OpenMP/OMPIRBuilder.cpp

@@ -7092,9 +7092,7 @@ static Expected<Function *> createOutlinedFunction(
     // preceding mapped arguments that refer to the same global that may be
     // seperate segments. To prevent this, we defer global processing until all
     // other processing has been performed.
-    if (llvm::isa<llvm::GlobalValue>(std::get<0>(InArg)) ||
-        llvm::isa<llvm::GlobalObject>(std::get<0>(InArg)) ||
-        llvm::isa<llvm::GlobalVariable>(std::get<0>(InArg))) {
+    if (isa<GlobalValue>(Input)) {
       DeferredReplacement.push_back(std::make_pair(Input, InputCopy));
       continue;
     }