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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				// RUN: %clang_cc1 -Werror %s

				// Test for conversions between fixed point types and all other valid types.

				// Conversion from one type to another type
				#define CONVERT(FROM_TYPE, FROM_ID, TO_TYPE, TO_ID) \
				TO_TYPE FROM_ID##_to_##TO_ID(FROM_TYPE x) { return x; }

				// Conversion between 2 types
				#define CONVERT_COMBINATION(TYPE1, ID1, TYPE2, ID2) \
				CONVERT(TYPE1, ID1, TYPE2, ID2) \
				CONVERT(TYPE2, ID2, TYPE1, ID1)

				// Conversion between one type and floating point types
				#define CONVERT_BETWEEN_FLOATS(TYPE, ID) \
				CONVERT_COMBINATION(TYPE, ID, float, Float) \
				CONVERT_COMBINATION(TYPE, ID, double, Double)

				// Conversion between one type and an integral type with differant signage
				#define CONVERT_BETWEEN_INTEGRALS_WITH_SIGN(TYPE, ID, INT_TYPE, INT_ID) \
				CONVERT_COMBINATION(TYPE, ID, INT_TYPE, INT_ID) \
				CONVERT_COMBINATION(TYPE, ID, signed INT_TYPE, Signed##INT_ID) \
				CONVERT_COMBINATION(TYPE, ID, unsigned INT_TYPE, Unsigned##INT_ID)

				// Conversion between one type and all integral types
				#define CONVERT_BETWEEN_INTEGRALS(TYPE, ID) \
				CONVERT_BETWEEN_INTEGRALS_WITH_SIGN(TYPE, ID, char, Char) \
				CONVERT_BETWEEN_INTEGRALS_WITH_SIGN(TYPE, ID, short, Short) \
				CONVERT_BETWEEN_INTEGRALS_WITH_SIGN(TYPE, ID, int, Int) \
				CONVERT_BETWEEN_INTEGRALS_WITH_SIGN(TYPE, ID, long, Long) \
				CONVERT_BETWEEN_INTEGRALS_WITH_SIGN(TYPE, ID, long long, LongLong)

				// Conversion between one type and a fixed point type with different saturation
				#define CONVERT_BETWEEN_FIXED_POINT_WITH_SAT(TYPE, ID, FIXED_TYPE, FIXED_ID) \
				CONVERT_COMBINATION(TYPE, ID, FIXED_TYPE, FIXED_ID) \
				CONVERT_COMBINATION(TYPE, ID, _Sat FIXED_TYPE, Sat##FIXED_ID)

				// Conversion between one type and a fixed point type with different signage
				#define CONVERT_BETWEEN_FIXED_POINT_WITH_SIGN(TYPE, ID, FIXED_TYPE, FIXED_ID) \
				CONVERT_BETWEEN_FIXED_POINT_WITH_SAT(TYPE, ID, FIXED_TYPE, FIXED_ID) \
				CONVERT_BETWEEN_FIXED_POINT_WITH_SAT(TYPE, ID, signed FIXED_TYPE, \
				Signed##FIXED_ID) \
				CONVERT_BETWEEN_FIXED_POINT_WITH_SAT(TYPE, ID, unsigned FIXED_TYPE, \
				Unsigned##FIXED_ID)

				// Convert between one type and all fixed point types.
				// Add "Type" to the end of the ID to avoid multiple definitions of a function
				// if the Type is a fixed point type.
				#define CONVERT_BETWEEN_FIXED_POINT(TYPE, ID) \
				CONVERT_BETWEEN_FIXED_POINT_WITH_SIGN(TYPE, ID, _Fract, FractType) \
				CONVERT_BETWEEN_FIXED_POINT_WITH_SIGN(TYPE, ID, _Accum, AccumType)

				// Convert between one type and all other types
				#define CONVERT_BETWEEN_ALL_TYPES(TYPE, ID) \
				CONVERT_BETWEEN_FLOATS(TYPE, ID) \
				CONVERT_BETWEEN_INTEGRALS(TYPE, ID) \
				CONVERT_BETWEEN_FIXED_POINT(TYPE, ID)

				#define CONVERT_FIXED_POINT_TYPE_WITH_SAT(TYPE, ID) \
				CONVERT_BETWEEN_ALL_TYPES(TYPE, ID) \
				CONVERT_BETWEEN_ALL_TYPES(_Sat TYPE, Sat##ID)

				#define CONVERT_FIXED_POINT_TYPE(TYPE, ID) \
				CONVERT_FIXED_POINT_TYPE_WITH_SAT(TYPE, ID) \
				CONVERT_FIXED_POINT_TYPE_WITH_SAT(signed TYPE, Signed##ID) \
				CONVERT_FIXED_POINT_TYPE_WITH_SAT(unsigned TYPE, Unsigned##ID)

				CONVERT_FIXED_POINT_TYPE(short _Fract, ShortFract);
				CONVERT_FIXED_POINT_TYPE(_Fract, Fract);
				CONVERT_FIXED_POINT_TYPE(long _Fract, LongFract);

				CONVERT_FIXED_POINT_TYPE(short _Accum, ShortAccum);
				CONVERT_FIXED_POINT_TYPE(_Accum, Accum);
				CONVERT_FIXED_POINT_TYPE(long _Accum, LongAccum);