* of these may be discovered by analyses.
*/
typedef enum mtp_additional_properties {
- mtp_no_property = 0x00000000, /**< no additional properties, default */
- mtp_property_const = 0x00000001, /**< This method did not access memory and calculates
- its return values solely from its parameters.
- The only observable effect of a const function must be its
- return value. So they must not exhibit infinite loops or wait
- for user input. The return value must not depend on any
- global variables/state.
- GCC: __attribute__((const)). */
- mtp_property_pure = 0x00000002, /**< This method did NOT write to memory and calculates
- its return values solely from its parameters and
- the memory they points to (or global vars).
- The only observable effect of a const function must be its
- return value. So they must not exhibit infinite loops or wait
- for user input.
- GCC: __attribute__((pure)). */
- mtp_property_noreturn = 0x00000004, /**< This method did not return due to an aborting system
- call.
- GCC: __attribute__((noreturn)). */
- mtp_property_nothrow = 0x00000008, /**< This method cannot throw an exception.
- GCC: __attribute__((nothrow)). */
- mtp_property_naked = 0x00000010, /**< This method is naked.
- GCC: __attribute__((naked)). */
- mtp_property_malloc = 0x00000020, /**< This method returns newly allocate memory.
- GCC: __attribute__((malloc)). */
- mtp_property_returns_twice = 0x00000040, /**< This method can return more than one (typically setjmp).
- GCC: __attribute__((returns_twice)). */
- mtp_property_intrinsic = 0x00000080, /**< This method is intrinsic. It is expected that
- a lowering phase will remove all calls to it. */
- mtp_property_runtime = 0x00000100, /**< This method represents a runtime routine. */
- mtp_property_private = 0x00000200, /**< All method invocations are known, the backend is free to
- optimize the call in any possible way. */
- mtp_property_has_loop = 0x00000400, /**< Set, if this method contains one possible endless loop. */
- mtp_property_inherited = (1<<31) /**< Internal. Used only in irg's, means property is
- inherited from type. */
+ /** no additional properties */
+ mtp_no_property = 0,
+ /** This method did not access memory and calculates its return values
+ * solely from its parameters. The only observable effect of a const
+ * function must be its return value. So they must not exhibit infinite
+ * loops or wait for user input. The return value must not depend on any
+ * global variables/state.
+ * GCC: __attribute__((const)). */
+ mtp_property_const = 1u << 0,
+ /** This method did NOT write to memory and calculates its return values
+ * solely from its parameters and the memory they points to (or global
+ * vars). The only observable effect of a const function must be its return
+ * value. So they must not exhibit infinite loops or wait for user input.
+ * GCC: __attribute__((pure)). */
+ mtp_property_pure = 1u << 1,
+ /** This method did not return due to an aborting system call.
+ * GCC: __attribute__((noreturn)). */
+ mtp_property_noreturn = 1u << 2,
+ /** This method cannot throw an exception. GCC: __attribute__((nothrow)). */
+ mtp_property_nothrow = 1u << 3,
+ /** This method is naked. GCC: __attribute__((naked)). */
+ mtp_property_naked = 1u << 4,
+ /** This method returns newly allocate memory.
+ * GCC: __attribute__((malloc)). */
+ mtp_property_malloc = 1u << 5,
+ /** This method can return more than one (typically setjmp).
+ * GCC: __attribute__((returns_twice)). */
+ mtp_property_returns_twice = 1u << 6,
+ /** This method is intrinsic. It is expected that a lowering phase will
+ * remove all calls to it. */
+ mtp_property_intrinsic = 1u << 7,
+ /** This method represents a runtime routine. */
+ mtp_property_runtime = 1u << 8,
+ /** All method invocations are known, the backend is free to optimize the
+ * call in any possible way. */
+ mtp_property_private = 1u << 9,
+ /** Set, if this method contains one possibly endless loop. */
+ mtp_property_has_loop = 1u << 10,
+ /** try to always inline this function, even if it seems nonprofitable */
+ mtp_property_always_inline = 1u << 11,
+ /** the function should not be inlined */
+ mtp_property_noinline = 1u << 12,
+ /** the programmer recommends to inline the function */
+ mtp_property_inline_recommended = 1u << 13,
+ /** stupid hack used by opt_funccall... */
+ mtp_temporary = 1u << 14,
} mtp_additional_properties;
ENUM_BITSET(mtp_additional_properties)
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