Migrate deprecated DebugLoc::get to DILocation::get

This migrates all LLVM (except Kaleidoscope and
CodeGen/StackProtector.cpp) DebugLoc::get to DILocation::get.

The CodeGen/StackProtector.cpp usage may have a nullptr Scope
and can trigger an assertion failure, so I don't migrate it.

Reviewed By: #debug-info, dblaikie

Differential Revision: https://reviews.llvm.org/D93087

llvm/lib/Bitcode/Reader/BitcodeReader.cpp

@@ -3959,7 +3959,8 @@ Error BitcodeReader::parseFunctionBody(Function *F) {
         if (!IA)
           return error("Invalid record");
       }
-      LastLoc = DebugLoc::get(Line, Col, Scope, IA, isImplicitCode);
+      LastLoc = DILocation::get(Scope->getContext(), Line, Col, Scope, IA,
+                                isImplicitCode);
       I->setDebugLoc(LastLoc);
       I = nullptr;
       continue;