forked from OSchip/llvm-project
				
			
		
			
				
	
	
		
			253 lines
		
	
	
		
			19 KiB
		
	
	
	
		
			C
		
	
	
	
			
		
		
	
	
			253 lines
		
	
	
		
			19 KiB
		
	
	
	
		
			C
		
	
	
	
// RUN: %clang_cc1 -verify -ffixed-point %s
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/* We do not yet support long long. No recommended bit widths are given for this
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 * size. */
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long long _Accum longlong_accum;              // expected-error{{'long long _Accum' is invalid}}
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unsigned long long _Accum u_longlong_accum;   // expected-error{{'long long _Accum' is invalid}}
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long long _Fract longlong_fract;              // expected-error{{'long long _Fract' is invalid}}
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unsigned long long _Fract u_longlong_fract;   // expected-error{{'long long _Fract' is invalid}}
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_Sat long long _Accum sat_longlong_accum;             // expected-error{{'long long _Accum' is invalid}}
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_Sat unsigned long long _Accum sat_u_longlong_accum;  // expected-error{{'long long _Accum' is invalid}}
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_Sat long long _Fract sat_longlong_fract;             // expected-error{{'long long _Fract' is invalid}}
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_Sat unsigned long long _Fract sat_u_longlong_fract;  // expected-error{{'long long _Fract' is invalid}}
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/* Although _Complex types work with floating point numbers, the extension
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 * provides no info for complex fixed point types. */
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_Complex signed short _Accum cmplx_s_short_accum;   // expected-error{{'_Complex _Accum' is invalid}}
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_Complex signed _Accum cmplx_s_accum;               // expected-error{{'_Complex _Accum' is invalid}}
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_Complex signed long _Accum cmplx_s_long_accum;     // expected-error{{'_Complex _Accum' is invalid}}
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_Complex unsigned short _Accum cmplx_u_short_accum; // expected-error{{'_Complex _Accum' is invalid}}
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_Complex unsigned _Accum cmplx_u_accum;             // expected-error{{'_Complex _Accum' is invalid}}
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_Complex unsigned long _Accum cmplx_u_long_accum;   // expected-error{{'_Complex _Accum' is invalid}}
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_Complex short _Accum cmplx_s_short_accum;          // expected-error{{'_Complex _Accum' is invalid}}
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_Complex _Accum cmplx_s_accum;                      // expected-error{{'_Complex _Accum' is invalid}}
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_Complex long _Accum cmplx_s_long_accum;            // expected-error{{'_Complex _Accum' is invalid}}
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_Complex signed short _Fract cmplx_s_short_fract;   // expected-error{{'_Complex _Fract' is invalid}}
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_Complex signed _Fract cmplx_s_fract;               // expected-error{{'_Complex _Fract' is invalid}}
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_Complex signed long _Fract cmplx_s_long_fract;     // expected-error{{'_Complex _Fract' is invalid}}
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_Complex unsigned short _Fract cmplx_u_short_fract; // expected-error{{'_Complex _Fract' is invalid}}
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_Complex unsigned _Fract cmplx_u_fract;             // expected-error{{'_Complex _Fract' is invalid}}
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_Complex unsigned long _Fract cmplx_u_long_fract;   // expected-error{{'_Complex _Fract' is invalid}}
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_Complex short _Fract cmplx_s_short_fract;          // expected-error{{'_Complex _Fract' is invalid}}
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_Complex _Fract cmplx_s_fract;                      // expected-error{{'_Complex _Fract' is invalid}}
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_Complex long _Fract cmplx_s_long_fract;            // expected-error{{'_Complex _Fract' is invalid}}
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_Complex _Sat signed short _Accum cmplx_sat_s_short_accum;   // expected-error{{'_Complex _Accum' is invalid}}
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_Complex _Sat signed _Accum cmplx_sat_s_accum;               // expected-error{{'_Complex _Accum' is invalid}}
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_Complex _Sat signed long _Accum cmplx_sat_s_long_accum;     // expected-error{{'_Complex _Accum' is invalid}}
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_Complex _Sat unsigned short _Accum cmplx_sat_u_short_accum; // expected-error{{'_Complex _Accum' is invalid}}
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_Complex _Sat unsigned _Accum cmplx_sat_u_accum;             // expected-error{{'_Complex _Accum' is invalid}}
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_Complex _Sat unsigned long _Accum cmplx_sat_u_long_accum;   // expected-error{{'_Complex _Accum' is invalid}}
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_Complex _Sat short _Accum cmplx_sat_s_short_accum;          // expected-error{{'_Complex _Accum' is invalid}}
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_Complex _Sat _Accum cmplx_sat_s_accum;                      // expected-error{{'_Complex _Accum' is invalid}}
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_Complex _Sat long _Accum cmplx_sat_s_long_accum;            // expected-error{{'_Complex _Accum' is invalid}}
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_Complex signed short _Fract cmplx_sat_s_short_fract;   // expected-error{{'_Complex _Fract' is invalid}}
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_Complex signed _Fract cmplx_sat_s_fract;               // expected-error{{'_Complex _Fract' is invalid}}
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_Complex signed long _Fract cmplx_sat_s_long_fract;     // expected-error{{'_Complex _Fract' is invalid}}
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_Complex unsigned short _Fract cmplx_sat_u_short_fract; // expected-error{{'_Complex _Fract' is invalid}}
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_Complex unsigned _Fract cmplx_sat_u_fract;             // expected-error{{'_Complex _Fract' is invalid}}
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_Complex unsigned long _Fract cmplx_sat_u_long_fract;   // expected-error{{'_Complex _Fract' is invalid}}
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_Complex short _Fract cmplx_sat_s_short_fract;          // expected-error{{'_Complex _Fract' is invalid}}
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_Complex _Fract cmplx_sat_s_fract;                      // expected-error{{'_Complex _Fract' is invalid}}
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_Complex long _Fract cmplx_sat_s_long_fract;            // expected-error{{'_Complex _Fract' is invalid}}
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/* Bad combinations */
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float _Accum f_accum;     // expected-error{{cannot combine with previous 'float' declaration specifier}}
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double _Accum d_accum;    // expected-error{{cannot combine with previous 'double' declaration specifier}}
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_Bool _Accum b_accum;     // expected-error{{cannot combine with previous '_Bool' declaration specifier}}
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char _Accum c_accum;      // expected-error{{cannot combine with previous 'char' declaration specifier}}
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int _Accum i_accum;       // expected-error{{cannot combine with previous 'int' declaration specifier}}
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float _Fract f_fract;     // expected-error{{cannot combine with previous 'float' declaration specifier}}
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double _Fract d_fract;    // expected-error{{cannot combine with previous 'double' declaration specifier}}
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_Bool _Fract b_fract;     // expected-error{{cannot combine with previous '_Bool' declaration specifier}}
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char _Fract c_fract;      // expected-error{{cannot combine with previous 'char' declaration specifier}}
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int _Fract i_fract;       // expected-error{{cannot combine with previous 'int' declaration specifier}}
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/* Bad saturated combinations */
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_Sat float f;             // expected-error{{'_Sat' specifier is only valid on '_Fract' or '_Accum', not 'float'}}
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_Sat double d;            // expected-error{{'_Sat' specifier is only valid on '_Fract' or '_Accum', not 'double'}}
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_Sat _Bool b;             // expected-error{{'_Sat' specifier is only valid on '_Fract' or '_Accum', not '_Bool'}}
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_Sat char c;              // expected-error{{'_Sat' specifier is only valid on '_Fract' or '_Accum', not 'char'}}
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_Sat int i;               // expected-error{{'_Sat' specifier is only valid on '_Fract' or '_Accum', not 'int'}}
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_Sat _Sat _Fract fract;   // expected-warning{{duplicate '_Sat' declaration specifier}}
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/* Literals that cannot fit into types */
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signed short _Accum s_short_accum = 256.0hk;            // expected-error{{this value is too large for this fixed point type}}
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unsigned short _Accum u_short_accum = 256.0uhk;         // expected-error{{this value is too large for this fixed point type}}
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signed _Accum s_accum = 65536.0k;                       // expected-error{{this value is too large for this fixed point type}}
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unsigned _Accum u_accum = 65536.0uk;                    // expected-error{{this value is too large for this fixed point type}}
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signed long _Accum s_long_accum = 4294967296.0lk;       // expected-error{{this value is too large for this fixed point type}}
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unsigned long _Accum u_long_accum = 4294967296.0ulk;    // expected-error{{this value is too large for this fixed point type}}
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// Large values from decimal exponents
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short _Accum          short_accum_exp   = 2.56e2hk;           // expected-error{{this value is too large for this fixed point type}}
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_Accum                accum_exp         = 6.5536e4k;          // expected-error{{this value is too large for this fixed point type}}
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long _Accum           long_accum_exp    = 4.294967296e9lk;    // expected-error{{this value is too large for this fixed point type}}
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unsigned short _Accum u_short_accum_exp = 2.56e2uhk;          // expected-error{{this value is too large for this fixed point type}}
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unsigned _Accum       u_accum_exp       = 6.5536e4uk;         // expected-error{{this value is too large for this fixed point type}}
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unsigned long _Accum  u_long_accum_exp  = 4.294967296e9ulk;   // expected-error{{this value is too large for this fixed point type}}
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// Large value from hexidecimal exponents
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short _Accum          short_accum_hex_exp   = 0x1p8hk;        // expected-error{{this value is too large for this fixed point type}}
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_Accum                accum_hex_exp         = 0x1p16k;        // expected-error{{this value is too large for this fixed point type}}
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long _Accum           long_accum_hex_exp    = 0x1p32lk;       // expected-error{{this value is too large for this fixed point type}}
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unsigned short _Accum u_short_accum_hex_exp = 0x1p8uhk;       // expected-error{{this value is too large for this fixed point type}}
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unsigned _Accum       u_accum_hex_exp       = 0x1p16uk;       // expected-error{{this value is too large for this fixed point type}}
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unsigned long _Accum  u_long_accum_hex_exp  = 0x1p32ulk;      // expected-error{{this value is too large for this fixed point type}}
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// Very large exponent
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_Accum x = 1e1000000000000000000000000000000000k;   // expected-error{{this value is too large for this fixed point type}}
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/* Although _Fract's cannot equal 1, _Fract literals written as 1 are allowed
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 * and the underlying value represents the max value for that _Fract type. */
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short _Fract          short_fract_above_1    = 1.1hr;   // expected-error{{this value is too large for this fixed point type}}
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_Fract                fract_above_1          = 1.1r;    // expected-error{{this value is too large for this fixed point type}}
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long _Fract           long_fract_above_1     = 1.1lr;   // expected-error{{this value is too large for this fixed point type}}
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unsigned short _Fract u_short_fract_above_1  = 1.1uhr;  // expected-error{{this value is too large for this fixed point type}}
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unsigned _Fract       u_fract_above_1        = 1.1ur;   // expected-error{{this value is too large for this fixed point type}}
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unsigned long _Fract  u_long_fract_above_1   = 1.1ulr;  // expected-error{{this value is too large for this fixed point type}}
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short _Fract          short_fract_hex_exp   = 0x0.fp1hr;      // expected-error{{this value is too large for this fixed point type}}
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_Fract                fract_hex_exp         = 0x0.fp1r;       // expected-error{{this value is too large for this fixed point type}}
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long _Fract           long_fract_hex_exp    = 0x0.fp1lr;      // expected-error{{this value is too large for this fixed point type}}
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unsigned short _Fract u_short_fract_hex_exp = 0x0.fp1uhr;     // expected-error{{this value is too large for this fixed point type}}
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unsigned _Fract       u_fract_hex_exp       = 0x0.fp1ur;      // expected-error{{this value is too large for this fixed point type}}
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unsigned long _Fract  u_long_fract_hex_exp  = 0x0.fp1ulr;     // expected-error{{this value is too large for this fixed point type}}
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/* Do not allow typedef to be used with typedef'd types */
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typedef short _Fract shortfract_t;
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typedef short _Accum shortaccum_t;
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typedef _Fract fract_t;
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typedef _Accum accum_t;
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typedef long _Fract longfract_t;
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typedef long _Accum longaccum_t;
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_Sat shortfract_t td_sat_short_fract;       // expected-error{{'_Sat' specifier is only valid on '_Fract' or '_Accum', not 'type-name'}}
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_Sat shortaccum_t td_sat_short_accum;       // expected-error{{'_Sat' specifier is only valid on '_Fract' or '_Accum', not 'type-name'}}
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_Sat fract_t td_sat_fract;                  // expected-error{{'_Sat' specifier is only valid on '_Fract' or '_Accum', not 'type-name'}}
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_Sat accum_t td_sat_accum;                  // expected-error{{'_Sat' specifier is only valid on '_Fract' or '_Accum', not 'type-name'}}
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_Sat longfract_t td_sat_long_fract;         // expected-error{{'_Sat' specifier is only valid on '_Fract' or '_Accum', not 'type-name'}}
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_Sat longaccum_t td_sat_long_accum;         // expected-error{{'_Sat' specifier is only valid on '_Fract' or '_Accum', not 'type-name'}}
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/* Bad suffixes  */
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_Accum fk = 1.0fk;    // expected-error{{invalid suffix 'fk' on integer constant}}
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_Accum kk = 1.0kk;    // expected-error{{invalid suffix 'kk' on integer constant}}
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_Accum rk = 1.0rk;    // expected-error{{invalid suffix 'rk' on integer constant}}
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_Accum rk = 1.0rr;    // expected-error{{invalid suffix 'rr' on integer constant}}
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_Accum qk = 1.0qr;    // expected-error{{invalid suffix 'qr' on integer constant}}
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/* Using wrong exponent notation */
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_Accum dec_with_hex_exp1 = 0.1p10k;    // expected-error{{invalid suffix 'p10k' on integer constant}}
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_Accum dec_with_hex_exp2 = 0.1P10k;    // expected-error{{invalid suffix 'P10k' on integer constant}}
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_Accum hex_with_dex_exp1 = 0x0.1e10k;  // expected-error{{hexadecimal floating constant requires an exponent}}
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_Accum hex_with_dex_exp2 = 0x0.1E10k;  // expected-error{{hexadecimal floating constant requires an exponent}}
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void CheckSuffixOnIntegerLiterals() {
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  _Accum short_acc_int;
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  _Accum acc_int;
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  _Accum long_acc_int;
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  _Accum u_short_acc_int;
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  _Accum u_acc_int;
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  _Accum u_long_acc_int;
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  _Fract short_fract_int;
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  _Fract fract_int;
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  _Fract long_fract_int;
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  _Fract u_short_fract_int;
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  _Fract u_fract_int;
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  _Fract u_long_fract_int;
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  // Decimal integer literals (non-zero)
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  short_acc_int = 10hk; // expected-error{{invalid suffix 'hk' on integer constant}}
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  acc_int = 10k;        // expected-error{{invalid suffix 'k' on integer constant}}
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  long_acc_int = 10lk;  // expected-error{{invalid suffix 'lk' on integer constant}}
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  u_short_acc_int = 10uhk; // expected-error{{invalid suffix 'uhk' on integer constant}}
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  u_acc_int = 10uk;        // expected-error{{invalid suffix 'uk' on integer constant}}
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  u_long_acc_int = 10ulk;  // expected-error{{invalid suffix 'ulk' on integer constant}}
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  short_fract_int = 10hr; // expected-error{{invalid suffix 'hr' on integer constant}}
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  fract_int = 10r;        // expected-error{{invalid suffix 'r' on integer constant}}
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  long_fract_int = 10lr;  // expected-error{{invalid suffix 'lr' on integer constant}}
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  u_short_fract_int = 10uhr; // expected-error{{invalid suffix 'uhr' on integer constant}}
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  u_fract_int = 10ur;        // expected-error{{invalid suffix 'ur' on integer constant}}
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  u_long_fract_int = 10ulr;  // expected-error{{invalid suffix 'ulr' on integer constant}}
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  // Decimal integer literals (0)
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  short_acc_int = 0hk; // expected-error{{invalid suffix 'hk' on integer constant}}
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  acc_int = 0k;        // expected-error{{invalid suffix 'k' on integer constant}}
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  long_acc_int = 0lk;  // expected-error{{invalid suffix 'lk' on integer constant}}
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  // Decimal integer literals (large number)
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  acc_int = 999999999999999999k;   // expected-error{{invalid suffix 'k' on integer constant}}
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  fract_int = 999999999999999999r; // expected-error{{invalid suffix 'r' on integer constant}}
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  // Octal integer literals
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  short_acc_int = 010hk; // expected-error{{invalid suffix 'hk' on integer constant}}
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  acc_int = 010k;        // expected-error{{invalid suffix 'k' on integer constant}}
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  long_acc_int = 010lk;  // expected-error{{invalid suffix 'lk' on integer constant}}
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  u_short_acc_int = 010uhk; // expected-error{{invalid suffix 'uhk' on integer constant}}
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  u_acc_int = 010uk;        // expected-error{{invalid suffix 'uk' on integer constant}}
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  u_long_acc_int = 010ulk;  // expected-error{{invalid suffix 'ulk' on integer constant}}
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  short_fract_int = 010hr; // expected-error{{invalid suffix 'hr' on integer constant}}
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  fract_int = 010r;        // expected-error{{invalid suffix 'r' on integer constant}}
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  long_fract_int = 010lr;  // expected-error{{invalid suffix 'lr' on integer constant}}
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  u_short_fract_int = 010uhr; // expected-error{{invalid suffix 'uhr' on integer constant}}
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  u_fract_int = 010ur;        // expected-error{{invalid suffix 'ur' on integer constant}}
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  u_long_fract_int = 010ulr;  // expected-error{{invalid suffix 'ulr' on integer constant}}
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  // Hexadecimal integer literals
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  short_acc_int = 0x10hk; // expected-error{{invalid suffix 'hk' on integer constant}}
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  acc_int = 0x10k;        // expected-error{{invalid suffix 'k' on integer constant}}
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  long_acc_int = 0x10lk;  // expected-error{{invalid suffix 'lk' on integer constant}}
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  u_short_acc_int = 0x10uhk; // expected-error{{invalid suffix 'uhk' on integer constant}}
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  u_acc_int = 0x10uk;        // expected-error{{invalid suffix 'uk' on integer constant}}
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  u_long_acc_int = 0x10ulk;  // expected-error{{invalid suffix 'ulk' on integer constant}}
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  short_fract_int = 0x10hr; // expected-error{{invalid suffix 'hr' on integer constant}}
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  fract_int = 0x10r;        // expected-error{{invalid suffix 'r' on integer constant}}
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  long_fract_int = 0x10lr;  // expected-error{{invalid suffix 'lr' on integer constant}}
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  u_short_fract_int = 0x10uhr; // expected-error{{invalid suffix 'uhr' on integer constant}}
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  u_fract_int = 0x10ur;        // expected-error{{invalid suffix 'ur' on integer constant}}
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  u_long_fract_int = 0x10ulr;  // expected-error{{invalid suffix 'ulr' on integer constant}}
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  // Using auto
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  auto auto_fract = 0r;  // expected-error{{invalid suffix 'r' on integer constant}}
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                         // expected-warning@-1{{type specifier missing, defaults to 'int'}}
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  auto auto_accum = 0k;  // expected-error{{invalid suffix 'k' on integer constant}}
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                         // expected-warning@-1{{type specifier missing, defaults to 'int'}}
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}
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// Ok conversions
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int i_const = -2.5hk;
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_Sat short _Accum sat_sa_const2 = 256.0k;
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_Sat unsigned short _Accum sat_usa_const = -1.0hk;
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short _Accum sa_const3 = 2;
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short _Accum sa_const4 = -2;
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// Overflow
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short _Accum sa_const = 256.0k;   // expected-warning{{implicit conversion from 256.0 cannot fit within the range of values for 'short _Accum'}}
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short _Fract sf_const = 1.0hk;    // expected-warning{{implicit conversion from 1.0 cannot fit within the range of values for 'short _Fract'}}
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unsigned _Accum ua_const = -1.0k; // expected-warning{{implicit conversion from -1.0 cannot fit within the range of values for 'unsigned _Accum'}}
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short _Accum sa_const2 = 128.0k + 128.0k; // expected-warning{{implicit conversion from 256.0 cannot fit within the range of values for 'short _Accum'}}
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short s_const = 65536.0lk;                // expected-warning{{implicit conversion from 65536.0 cannot fit within the range of values for 'short'}}
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unsigned u_const = -2.5hk;                // expected-warning{{implicit conversion from -2.5 cannot fit within the range of values for 'unsigned int'}}
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char c_const = 256.0uk;                   // expected-warning{{implicit conversion from 256.0 cannot fit within the range of values for 'char'}}
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short _Accum sa_const5 = 256;             // expected-warning{{implicit conversion from 256 cannot fit within the range of values for 'short _Accum'}}
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unsigned short _Accum usa_const2 = -2;    // expected-warning{{implicit conversion from -2 cannot fit within the range of values for 'unsigned short _Accum'}}
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