gcc-generate-simple_ipa-pass.h 3.4 KB

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  1. /* SPDX-License-Identifier: GPL-2.0 */
  2. /*
  3. * Generator for SIMPLE_IPA pass related boilerplate code/data
  4. *
  5. * Supports gcc 4.5-6
  6. *
  7. * Usage:
  8. *
  9. * 1. before inclusion define PASS_NAME
  10. * 2. before inclusion define NO_* for unimplemented callbacks
  11. * NO_GATE
  12. * NO_EXECUTE
  13. * 3. before inclusion define PROPERTIES_* and TODO_FLAGS_* to override
  14. * the default 0 values
  15. * 4. for convenience, all the above will be undefined after inclusion!
  16. * 5. the only exported name is make_PASS_NAME_pass() to register with gcc
  17. */
  18. #ifndef PASS_NAME
  19. #error at least PASS_NAME must be defined
  20. #else
  21. #define __GCC_PLUGIN_STRINGIFY(n) #n
  22. #define _GCC_PLUGIN_STRINGIFY(n) __GCC_PLUGIN_STRINGIFY(n)
  23. #define _GCC_PLUGIN_CONCAT2(x, y) x ## y
  24. #define _GCC_PLUGIN_CONCAT3(x, y, z) x ## y ## z
  25. #define __PASS_NAME_PASS_DATA(n) _GCC_PLUGIN_CONCAT2(n, _pass_data)
  26. #define _PASS_NAME_PASS_DATA __PASS_NAME_PASS_DATA(PASS_NAME)
  27. #define __PASS_NAME_PASS(n) _GCC_PLUGIN_CONCAT2(n, _pass)
  28. #define _PASS_NAME_PASS __PASS_NAME_PASS(PASS_NAME)
  29. #define _PASS_NAME_NAME _GCC_PLUGIN_STRINGIFY(PASS_NAME)
  30. #define __MAKE_PASS_NAME_PASS(n) _GCC_PLUGIN_CONCAT3(make_, n, _pass)
  31. #define _MAKE_PASS_NAME_PASS __MAKE_PASS_NAME_PASS(PASS_NAME)
  32. #ifdef NO_GATE
  33. #define _GATE NULL
  34. #define _HAS_GATE false
  35. #else
  36. #define __GATE(n) _GCC_PLUGIN_CONCAT2(n, _gate)
  37. #define _GATE __GATE(PASS_NAME)
  38. #define _HAS_GATE true
  39. #endif
  40. #ifdef NO_EXECUTE
  41. #define _EXECUTE NULL
  42. #define _HAS_EXECUTE false
  43. #else
  44. #define __EXECUTE(n) _GCC_PLUGIN_CONCAT2(n, _execute)
  45. #define _EXECUTE __EXECUTE(PASS_NAME)
  46. #define _HAS_EXECUTE true
  47. #endif
  48. #ifndef PROPERTIES_REQUIRED
  49. #define PROPERTIES_REQUIRED 0
  50. #endif
  51. #ifndef PROPERTIES_PROVIDED
  52. #define PROPERTIES_PROVIDED 0
  53. #endif
  54. #ifndef PROPERTIES_DESTROYED
  55. #define PROPERTIES_DESTROYED 0
  56. #endif
  57. #ifndef TODO_FLAGS_START
  58. #define TODO_FLAGS_START 0
  59. #endif
  60. #ifndef TODO_FLAGS_FINISH
  61. #define TODO_FLAGS_FINISH 0
  62. #endif
  63. namespace {
  64. static const pass_data _PASS_NAME_PASS_DATA = {
  65. .type = SIMPLE_IPA_PASS,
  66. .name = _PASS_NAME_NAME,
  67. .optinfo_flags = OPTGROUP_NONE,
  68. .tv_id = TV_NONE,
  69. .properties_required = PROPERTIES_REQUIRED,
  70. .properties_provided = PROPERTIES_PROVIDED,
  71. .properties_destroyed = PROPERTIES_DESTROYED,
  72. .todo_flags_start = TODO_FLAGS_START,
  73. .todo_flags_finish = TODO_FLAGS_FINISH,
  74. };
  75. class _PASS_NAME_PASS : public simple_ipa_opt_pass {
  76. public:
  77. _PASS_NAME_PASS() : simple_ipa_opt_pass(_PASS_NAME_PASS_DATA, g) {}
  78. #ifndef NO_GATE
  79. virtual bool gate(function *) { return _GATE(); }
  80. #endif
  81. virtual opt_pass *clone() { return new _PASS_NAME_PASS(); }
  82. #ifndef NO_EXECUTE
  83. virtual unsigned int execute(function *) { return _EXECUTE(); }
  84. #endif
  85. };
  86. }
  87. opt_pass *_MAKE_PASS_NAME_PASS(void)
  88. {
  89. return new _PASS_NAME_PASS();
  90. }
  91. /* clean up user provided defines */
  92. #undef PASS_NAME
  93. #undef NO_GATE
  94. #undef NO_EXECUTE
  95. #undef PROPERTIES_DESTROYED
  96. #undef PROPERTIES_PROVIDED
  97. #undef PROPERTIES_REQUIRED
  98. #undef TODO_FLAGS_FINISH
  99. #undef TODO_FLAGS_START
  100. /* clean up generated defines */
  101. #undef _EXECUTE
  102. #undef __EXECUTE
  103. #undef _GATE
  104. #undef __GATE
  105. #undef _GCC_PLUGIN_CONCAT2
  106. #undef _GCC_PLUGIN_CONCAT3
  107. #undef _GCC_PLUGIN_STRINGIFY
  108. #undef __GCC_PLUGIN_STRINGIFY
  109. #undef _HAS_EXECUTE
  110. #undef _HAS_GATE
  111. #undef _MAKE_PASS_NAME_PASS
  112. #undef __MAKE_PASS_NAME_PASS
  113. #undef _PASS_NAME_NAME
  114. #undef _PASS_NAME_PASS
  115. #undef __PASS_NAME_PASS
  116. #undef _PASS_NAME_PASS_DATA
  117. #undef __PASS_NAME_PASS_DATA
  118. #endif /* PASS_NAME */