Differential D46979 Diff 147902 test/Frontend/fixed_point_all_conversions.c

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test/Frontend/fixed_point_all_conversions.c

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		1		// RUN: %clang_cc1 -Werror %s
		2
		3		// Test for conversions between fixed point types and all other valid types.
		4
		5		// Conversion from one type to another type
		6		#define CONVERT(FROM_TYPE, FROM_ID, TO_TYPE, TO_ID) \
		7		TO_TYPE FROM_ID##_to_##TO_ID(FROM_TYPE x) { return x; }
		8
		9		// Conversion between 2 types
		10		#define CONVERT_COMBINATION(TYPE1, ID1, TYPE2, ID2) \
		11		CONVERT(TYPE1, ID1, TYPE2, ID2) \
		12		CONVERT(TYPE2, ID2, TYPE1, ID1)
		13
		14		// Conversion between one type and floating point types
		15		#define CONVERT_BETWEEN_FLOATS(TYPE, ID) \
		16		CONVERT_COMBINATION(TYPE, ID, float, Float) \
		17		CONVERT_COMBINATION(TYPE, ID, double, Double)
		18
		19		// Conversion between one type and an integral type with differant signage
		20		#define CONVERT_BETWEEN_INTEGRALS_WITH_SIGN(TYPE, ID, INT_TYPE, INT_ID) \
		21		CONVERT_COMBINATION(TYPE, ID, INT_TYPE, INT_ID) \
		22		CONVERT_COMBINATION(TYPE, ID, signed INT_TYPE, Signed##INT_ID) \
		23		CONVERT_COMBINATION(TYPE, ID, unsigned INT_TYPE, Unsigned##INT_ID)
		24
		25		// Conversion between one type and all integral types
		26		#define CONVERT_BETWEEN_INTEGRALS(TYPE, ID) \
		27		CONVERT_BETWEEN_INTEGRALS_WITH_SIGN(TYPE, ID, char, Char) \
		28		CONVERT_BETWEEN_INTEGRALS_WITH_SIGN(TYPE, ID, short, Short) \
		29		CONVERT_BETWEEN_INTEGRALS_WITH_SIGN(TYPE, ID, int, Int) \
		30		CONVERT_BETWEEN_INTEGRALS_WITH_SIGN(TYPE, ID, long, Long) \
		31		CONVERT_BETWEEN_INTEGRALS_WITH_SIGN(TYPE, ID, long long, LongLong)
		32
		33		// Conversion between one type and a fixed point type with different saturation
		34		#define CONVERT_BETWEEN_FIXED_POINT_WITH_SAT(TYPE, ID, FIXED_TYPE, FIXED_ID) \
		35		CONVERT_COMBINATION(TYPE, ID, FIXED_TYPE, FIXED_ID) \
		36		CONVERT_COMBINATION(TYPE, ID, _Sat FIXED_TYPE, Sat##FIXED_ID)
		37
		38		// Conversion between one type and a fixed point type with different signage
		39		#define CONVERT_BETWEEN_FIXED_POINT_WITH_SIGN(TYPE, ID, FIXED_TYPE, FIXED_ID) \
		40		CONVERT_BETWEEN_FIXED_POINT_WITH_SAT(TYPE, ID, FIXED_TYPE, FIXED_ID) \
		41		CONVERT_BETWEEN_FIXED_POINT_WITH_SAT(TYPE, ID, signed FIXED_TYPE, \
		42		Signed##FIXED_ID) \
		43		CONVERT_BETWEEN_FIXED_POINT_WITH_SAT(TYPE, ID, unsigned FIXED_TYPE, \
		44		Unsigned##FIXED_ID)
		45
		46		// Convert between one type and all fixed point types.
		47		// Add "Type" to the end of the ID to avoid multiple definitions of a function
		48		// if the Type is a fixed point type.
		49		#define CONVERT_BETWEEN_FIXED_POINT(TYPE, ID) \
		50		CONVERT_BETWEEN_FIXED_POINT_WITH_SIGN(TYPE, ID, _Fract, FractType) \
		51		CONVERT_BETWEEN_FIXED_POINT_WITH_SIGN(TYPE, ID, _Accum, AccumType)
		52
		53		// Convert between one type and all other types
		54		#define CONVERT_BETWEEN_ALL_TYPES(TYPE, ID) \
		55		CONVERT_BETWEEN_FLOATS(TYPE, ID) \
		56		CONVERT_BETWEEN_INTEGRALS(TYPE, ID) \
		57		CONVERT_BETWEEN_FIXED_POINT(TYPE, ID)
		58
		59		#define CONVERT_FIXED_POINT_TYPE_WITH_SAT(TYPE, ID) \
		60		CONVERT_BETWEEN_ALL_TYPES(TYPE, ID) \
		61		CONVERT_BETWEEN_ALL_TYPES(_Sat TYPE, Sat##ID)
		62
		63		#define CONVERT_FIXED_POINT_TYPE(TYPE, ID) \
		64		CONVERT_FIXED_POINT_TYPE_WITH_SAT(TYPE, ID) \
		65		CONVERT_FIXED_POINT_TYPE_WITH_SAT(signed TYPE, Signed##ID) \
		66		CONVERT_FIXED_POINT_TYPE_WITH_SAT(unsigned TYPE, Unsigned##ID)
		67
		68		CONVERT_FIXED_POINT_TYPE(short _Fract, ShortFract);
		69		CONVERT_FIXED_POINT_TYPE(_Fract, Fract);
		70		CONVERT_FIXED_POINT_TYPE(long _Fract, LongFract);
		71
		72		CONVERT_FIXED_POINT_TYPE(short _Accum, ShortAccum);
		73		CONVERT_FIXED_POINT_TYPE(_Accum, Accum);
		74		CONVERT_FIXED_POINT_TYPE(long _Accum, LongAccum);