Subversion Repositories openrisc_2011-10-31

// Contributed by Dodji Seketeli 

// Origin PR debug/30161

// { dg-options "-g -dA -std=c++0x -fno-merge-debug-strings" }

// { dg-do compile }

// There must be 5 subprograms generated:

// printf(const char*), printf,

// printf, printf and foo().

// { dg-final {scan-assembler-times "DIE \\(0x.*?\\) DW_TAG_subprogram" 5 } }

// That makes 6 template type parameters.

// { dg-final {scan-assembler-times "DIE \\(0x.*?\\) DW_TAG_template_type_param" 6 } }

// { dg-final {scan-assembler-times "\"printf.0\".*?DW_AT_name" 1 } }

// { dg-final {scan-assembler-times "\"printf.0\".*?DW_AT_name" 1 } }

// { dg-final {scan-assembler-times "\"printf.0\".*?DW_AT_name" 1 } }

// { dg-final {scan-assembler-times "\"printf.0\".*?DW_AT_name" 1 } }

// printf and printf have a pack expansion as

// function parameters. There should then be 3

// DW_TAG_GNU_template_parameter_pack and 3 DW_TAG_GNU_formal_parameter_pack DIEs

// { dg-final {scan-assembler-times "DIE \\(0x.*?\\) DW_TAG_GNU_template_parameter_pack" 3 } }

// { dg-final {scan-assembler-times "DIE \\(0x.*?\\) DW_TAG_GNU_formal_parameter_pack" 3 } }

// These 3 function template instantiations has a total of 3 template

// parameters named T.

// { dg_final {scan-assembler-times "\.ascii \"T.0\"\[\t \]+.*?DW_AT_name" 3 } }

void

printf(const char* s)

{

  /* Commented this to not pull std::cout into what should be

     a simple test.

  while (*s)

    std::cout << *s++;

  */

}

template

void

printf(const char* s,

       T value,

       PackTypes... args)

{

  while (*s)

    {

      if (*s == '%' && *++s != '%')

        {

          /* std::cout << value; */

          return printf(++s, args...);

        }

    }

}

void

foo ()

{

  int x;

  printf("%c %d", x, 'x', 3);

}