[NFC] Replace "omp.default.mapper" with llvm::omp::OmpDefaultMapperName.

Author: TIFitis

flang/lib/Parser/openmp-parsers.cpp

@@ -1553,7 +1553,7 @@ static OmpMapperSpecifier ConstructOmpMapperSpecifier(
         std::get<Name>(derived->t).ToString() + llvm::omp::OmpDefaultMapperName,
         std::move(typeSpec), std::move(varName)};
   }
-  return OmpMapperSpecifier{std::string("omp.default.mapper"),
+  return OmpMapperSpecifier{std::string(llvm::omp::OmpDefaultMapperName),
       std::move(typeSpec), std::move(varName)};
 }
 

flang/lib/Parser/unparse.cpp

@@ -2094,7 +2094,7 @@ class UnparseVisitor {
   }
   void Unparse(const OmpMapperSpecifier &x) {
     const auto &mapperName{std::get<std::string>(x.t)};
-    if (mapperName.find("omp.default.mapper") == std::string::npos) {
+    if (mapperName.find(llvm::omp::OmpDefaultMapperName) == std::string::npos) {
       Walk(mapperName);
       Put(":");
     }
@@ -2740,7 +2740,7 @@ class UnparseVisitor {
     Word("!$OMP DECLARE MAPPER (");
     const auto &spec{std::get<OmpMapperSpecifier>(z.t)};
     const auto &mapperName{std::get<std::string>(spec.t)};
-    if (mapperName.find("omp.default.mapper") == std::string::npos) {
+    if (mapperName.find(llvm::omp::OmpDefaultMapperName) == std::string::npos) {
       Walk(mapperName);
       Put(":");
     }