flang/test/Parser/simple.f90 - third_party/github.com/llvm/llvm-project - Git at Google

 ! Check that SIMPLE is recognized in the parse tree
 ! RUN: %flang_fc1 -fdebug-dump-parse-tree %s | FileCheck %s

 simple function foo()
   return
 end function

 ! CHECK: Simple
	! Check that SIMPLE is recognized in the parse tree
	! RUN: %flang_fc1 -fdebug-dump-parse-tree %s \| FileCheck %s

	simple function foo()
	return
	end function

	! CHECK: Simple