OpenMP 4.5 adds 'taskloop' and 'taskloop simd' directives. These directives have new 'nogroup' clause. Patch adds basic parsing/sema support for this clause. llvm-svn: 254899
OpenMP 4.5 adds directive 'taskloop simd'. Patch adds parsing/sema analysis for 'taskloop simd' directive and its clauses. llvm-svn: 254597