diff options
Diffstat (limited to 'test/Frontend/fixed_point_errors.c')
| -rw-r--r-- | test/Frontend/fixed_point_errors.c | 234 |
1 files changed, 234 insertions, 0 deletions
diff --git a/test/Frontend/fixed_point_errors.c b/test/Frontend/fixed_point_errors.c new file mode 100644 index 000000000000..41427e343154 --- /dev/null +++ b/test/Frontend/fixed_point_errors.c @@ -0,0 +1,234 @@ +// RUN: %clang_cc1 -verify -ffixed-point %s + +/* We do not yet support long long. No recommended bit widths are given for this + * size. */ + +long long _Accum longlong_accum; // expected-error{{'long long _Accum' is invalid}} +unsigned long long _Accum u_longlong_accum; // expected-error{{'long long _Accum' is invalid}} +long long _Fract longlong_fract; // expected-error{{'long long _Fract' is invalid}} +unsigned long long _Fract u_longlong_fract; // expected-error{{'long long _Fract' is invalid}} + +_Sat long long _Accum sat_longlong_accum; // expected-error{{'long long _Accum' is invalid}} +_Sat unsigned long long _Accum sat_u_longlong_accum; // expected-error{{'long long _Accum' is invalid}} +_Sat long long _Fract sat_longlong_fract; // expected-error{{'long long _Fract' is invalid}} +_Sat unsigned long long _Fract sat_u_longlong_fract; // expected-error{{'long long _Fract' is invalid}} + + +/* Although _Complex types work with floating point numbers, the extension + * provides no info for complex fixed point types. */ + +_Complex signed short _Accum cmplx_s_short_accum; // expected-error{{'_Complex _Accum' is invalid}} +_Complex signed _Accum cmplx_s_accum; // expected-error{{'_Complex _Accum' is invalid}} +_Complex signed long _Accum cmplx_s_long_accum; // expected-error{{'_Complex _Accum' is invalid}} +_Complex unsigned short _Accum cmplx_u_short_accum; // expected-error{{'_Complex _Accum' is invalid}} +_Complex unsigned _Accum cmplx_u_accum; // expected-error{{'_Complex _Accum' is invalid}} +_Complex unsigned long _Accum cmplx_u_long_accum; // expected-error{{'_Complex _Accum' is invalid}} +_Complex short _Accum cmplx_s_short_accum; // expected-error{{'_Complex _Accum' is invalid}} +_Complex _Accum cmplx_s_accum; // expected-error{{'_Complex _Accum' is invalid}} +_Complex long _Accum cmplx_s_long_accum; // expected-error{{'_Complex _Accum' is invalid}} + +_Complex signed short _Fract cmplx_s_short_fract; // expected-error{{'_Complex _Fract' is invalid}} +_Complex signed _Fract cmplx_s_fract; // expected-error{{'_Complex _Fract' is invalid}} +_Complex signed long _Fract cmplx_s_long_fract; // expected-error{{'_Complex _Fract' is invalid}} +_Complex unsigned short _Fract cmplx_u_short_fract; // expected-error{{'_Complex _Fract' is invalid}} +_Complex unsigned _Fract cmplx_u_fract; // expected-error{{'_Complex _Fract' is invalid}} +_Complex unsigned long _Fract cmplx_u_long_fract; // expected-error{{'_Complex _Fract' is invalid}} +_Complex short _Fract cmplx_s_short_fract; // expected-error{{'_Complex _Fract' is invalid}} +_Complex _Fract cmplx_s_fract; // expected-error{{'_Complex _Fract' is invalid}} +_Complex long _Fract cmplx_s_long_fract; // expected-error{{'_Complex _Fract' is invalid}} + +_Complex _Sat signed short _Accum cmplx_sat_s_short_accum; // expected-error{{'_Complex _Accum' is invalid}} +_Complex _Sat signed _Accum cmplx_sat_s_accum; // expected-error{{'_Complex _Accum' is invalid}} +_Complex _Sat signed long _Accum cmplx_sat_s_long_accum; // expected-error{{'_Complex _Accum' is invalid}} +_Complex _Sat unsigned short _Accum cmplx_sat_u_short_accum; // expected-error{{'_Complex _Accum' is invalid}} +_Complex _Sat unsigned _Accum cmplx_sat_u_accum; // expected-error{{'_Complex _Accum' is invalid}} +_Complex _Sat unsigned long _Accum cmplx_sat_u_long_accum; // expected-error{{'_Complex _Accum' is invalid}} +_Complex _Sat short _Accum cmplx_sat_s_short_accum; // expected-error{{'_Complex _Accum' is invalid}} +_Complex _Sat _Accum cmplx_sat_s_accum; // expected-error{{'_Complex _Accum' is invalid}} +_Complex _Sat long _Accum cmplx_sat_s_long_accum; // expected-error{{'_Complex _Accum' is invalid}} + +_Complex signed short _Fract cmplx_sat_s_short_fract; // expected-error{{'_Complex _Fract' is invalid}} +_Complex signed _Fract cmplx_sat_s_fract; // expected-error{{'_Complex _Fract' is invalid}} +_Complex signed long _Fract cmplx_sat_s_long_fract; // expected-error{{'_Complex _Fract' is invalid}} +_Complex unsigned short _Fract cmplx_sat_u_short_fract; // expected-error{{'_Complex _Fract' is invalid}} +_Complex unsigned _Fract cmplx_sat_u_fract; // expected-error{{'_Complex _Fract' is invalid}} +_Complex unsigned long _Fract cmplx_sat_u_long_fract; // expected-error{{'_Complex _Fract' is invalid}} +_Complex short _Fract cmplx_sat_s_short_fract; // expected-error{{'_Complex _Fract' is invalid}} +_Complex _Fract cmplx_sat_s_fract; // expected-error{{'_Complex _Fract' is invalid}} +_Complex long _Fract cmplx_sat_s_long_fract; // expected-error{{'_Complex _Fract' is invalid}} + +/* Bad combinations */ +float _Accum f_accum; // expected-error{{cannot combine with previous 'float' declaration specifier}} +double _Accum d_accum; // expected-error{{cannot combine with previous 'double' declaration specifier}} +_Bool _Accum b_accum; // expected-error{{cannot combine with previous '_Bool' declaration specifier}} +char _Accum c_accum; // expected-error{{cannot combine with previous 'char' declaration specifier}} +int _Accum i_accum; // expected-error{{cannot combine with previous 'int' declaration specifier}} + +float _Fract f_fract; // expected-error{{cannot combine with previous 'float' declaration specifier}} +double _Fract d_fract; // expected-error{{cannot combine with previous 'double' declaration specifier}} +_Bool _Fract b_fract; // expected-error{{cannot combine with previous '_Bool' declaration specifier}} +char _Fract c_fract; // expected-error{{cannot combine with previous 'char' declaration specifier}} +int _Fract i_fract; // expected-error{{cannot combine with previous 'int' declaration specifier}} + +/* Bad saturated combinations */ +_Sat float f; // expected-error{{'_Sat' specifier is only valid on '_Fract' or '_Accum', not 'float'}} +_Sat double d; // expected-error{{'_Sat' specifier is only valid on '_Fract' or '_Accum', not 'double'}} +_Sat _Bool b; // expected-error{{'_Sat' specifier is only valid on '_Fract' or '_Accum', not '_Bool'}} +_Sat char c; // expected-error{{'_Sat' specifier is only valid on '_Fract' or '_Accum', not 'char'}} +_Sat int i; // expected-error{{'_Sat' specifier is only valid on '_Fract' or '_Accum', not 'int'}} +_Sat _Sat _Fract fract; // expected-warning{{duplicate '_Sat' declaration specifier}} + + +/* Literals that cannot fit into types */ +signed short _Accum s_short_accum = 256.0hk; // expected-error{{this value is too large for this fixed point type}} +unsigned short _Accum u_short_accum = 256.0uhk; // expected-error{{this value is too large for this fixed point type}} +signed _Accum s_accum = 65536.0k; // expected-error{{this value is too large for this fixed point type}} +unsigned _Accum u_accum = 65536.0uk; // expected-error{{this value is too large for this fixed point type}} +signed long _Accum s_long_accum = 4294967296.0lk; // expected-error{{this value is too large for this fixed point type}} +unsigned long _Accum u_long_accum = 4294967296.0ulk; // expected-error{{this value is too large for this fixed point type}} + +// Large values from decimal exponents +short _Accum short_accum_exp = 2.56e2hk; // expected-error{{this value is too large for this fixed point type}} +_Accum accum_exp = 6.5536e4k; // expected-error{{this value is too large for this fixed point type}} +long _Accum long_accum_exp = 4.294967296e9lk; // expected-error{{this value is too large for this fixed point type}} +unsigned short _Accum u_short_accum_exp = 2.56e2uhk; // expected-error{{this value is too large for this fixed point type}} +unsigned _Accum u_accum_exp = 6.5536e4uk; // expected-error{{this value is too large for this fixed point type}} +unsigned long _Accum u_long_accum_exp = 4.294967296e9ulk; // expected-error{{this value is too large for this fixed point type}} + +// Large value from hexidecimal exponents +short _Accum short_accum_hex_exp = 0x1p8hk; // expected-error{{this value is too large for this fixed point type}} +_Accum accum_hex_exp = 0x1p16k; // expected-error{{this value is too large for this fixed point type}} +long _Accum long_accum_hex_exp = 0x1p32lk; // expected-error{{this value is too large for this fixed point type}} +unsigned short _Accum u_short_accum_hex_exp = 0x1p8uhk; // expected-error{{this value is too large for this fixed point type}} +unsigned _Accum u_accum_hex_exp = 0x1p16uk; // expected-error{{this value is too large for this fixed point type}} +unsigned long _Accum u_long_accum_hex_exp = 0x1p32ulk; // expected-error{{this value is too large for this fixed point type}} + +// Very large exponent +_Accum x = 1e1000000000000000000000000000000000k; // expected-error{{this value is too large for this fixed point type}} + +/* Although _Fract's cannot equal 1, _Fract literals written as 1 are allowed + * and the underlying value represents the max value for that _Fract type. */ +short _Fract short_fract_above_1 = 1.1hr; // expected-error{{this value is too large for this fixed point type}} +_Fract fract_above_1 = 1.1r; // expected-error{{this value is too large for this fixed point type}} +long _Fract long_fract_above_1 = 1.1lr; // expected-error{{this value is too large for this fixed point type}} +unsigned short _Fract u_short_fract_above_1 = 1.1uhr; // expected-error{{this value is too large for this fixed point type}} +unsigned _Fract u_fract_above_1 = 1.1ur; // expected-error{{this value is too large for this fixed point type}} +unsigned long _Fract u_long_fract_above_1 = 1.1ulr; // expected-error{{this value is too large for this fixed point type}} + +short _Fract short_fract_hex_exp = 0x0.fp1hr; // expected-error{{this value is too large for this fixed point type}} +_Fract fract_hex_exp = 0x0.fp1r; // expected-error{{this value is too large for this fixed point type}} +long _Fract long_fract_hex_exp = 0x0.fp1lr; // expected-error{{this value is too large for this fixed point type}} +unsigned short _Fract u_short_fract_hex_exp = 0x0.fp1uhr; // expected-error{{this value is too large for this fixed point type}} +unsigned _Fract u_fract_hex_exp = 0x0.fp1ur; // expected-error{{this value is too large for this fixed point type}} +unsigned long _Fract u_long_fract_hex_exp = 0x0.fp1ulr; // expected-error{{this value is too large for this fixed point type}} + +/* Do not allow typedef to be used with typedef'd types */ +typedef short _Fract shortfract_t; +typedef short _Accum shortaccum_t; +typedef _Fract fract_t; +typedef _Accum accum_t; +typedef long _Fract longfract_t; +typedef long _Accum longaccum_t; +_Sat shortfract_t td_sat_short_fract; // expected-error{{'_Sat' specifier is only valid on '_Fract' or '_Accum', not 'type-name'}} +_Sat shortaccum_t td_sat_short_accum; // expected-error{{'_Sat' specifier is only valid on '_Fract' or '_Accum', not 'type-name'}} +_Sat fract_t td_sat_fract; // expected-error{{'_Sat' specifier is only valid on '_Fract' or '_Accum', not 'type-name'}} +_Sat accum_t td_sat_accum; // expected-error{{'_Sat' specifier is only valid on '_Fract' or '_Accum', not 'type-name'}} +_Sat longfract_t td_sat_long_fract; // expected-error{{'_Sat' specifier is only valid on '_Fract' or '_Accum', not 'type-name'}} +_Sat longaccum_t td_sat_long_accum; // expected-error{{'_Sat' specifier is only valid on '_Fract' or '_Accum', not 'type-name'}} + +/* Bad suffixes */ +_Accum fk = 1.0fk; // expected-error{{invalid suffix 'fk' on integer constant}} +_Accum kk = 1.0kk; // expected-error{{invalid suffix 'kk' on integer constant}} +_Accum rk = 1.0rk; // expected-error{{invalid suffix 'rk' on integer constant}} +_Accum rk = 1.0rr; // expected-error{{invalid suffix 'rr' on integer constant}} +_Accum qk = 1.0qr; // expected-error{{invalid suffix 'qr' on integer constant}} + +/* Using wrong exponent notation */ +_Accum dec_with_hex_exp1 = 0.1p10k; // expected-error{{invalid suffix 'p10k' on integer constant}} +_Accum dec_with_hex_exp2 = 0.1P10k; // expected-error{{invalid suffix 'P10k' on integer constant}} +_Accum hex_with_dex_exp1 = 0x0.1e10k; // expected-error{{hexadecimal floating constant requires an exponent}} +_Accum hex_with_dex_exp2 = 0x0.1E10k; // expected-error{{hexadecimal floating constant requires an exponent}} + +void CheckSuffixOnIntegerLiterals() { + _Accum short_acc_int; + _Accum acc_int; + _Accum long_acc_int; + + _Accum u_short_acc_int; + _Accum u_acc_int; + _Accum u_long_acc_int; + + _Fract short_fract_int; + _Fract fract_int; + _Fract long_fract_int; + + _Fract u_short_fract_int; + _Fract u_fract_int; + _Fract u_long_fract_int; + + // Decimal integer literals (non-zero) + short_acc_int = 10hk; // expected-error{{invalid suffix 'hk' on integer constant}} + acc_int = 10k; // expected-error{{invalid suffix 'k' on integer constant}} + long_acc_int = 10lk; // expected-error{{invalid suffix 'lk' on integer constant}} + + u_short_acc_int = 10uhk; // expected-error{{invalid suffix 'uhk' on integer constant}} + u_acc_int = 10uk; // expected-error{{invalid suffix 'uk' on integer constant}} + u_long_acc_int = 10ulk; // expected-error{{invalid suffix 'ulk' on integer constant}} + + short_fract_int = 10hr; // expected-error{{invalid suffix 'hr' on integer constant}} + fract_int = 10r; // expected-error{{invalid suffix 'r' on integer constant}} + long_fract_int = 10lr; // expected-error{{invalid suffix 'lr' on integer constant}} + + u_short_fract_int = 10uhr; // expected-error{{invalid suffix 'uhr' on integer constant}} + u_fract_int = 10ur; // expected-error{{invalid suffix 'ur' on integer constant}} + u_long_fract_int = 10ulr; // expected-error{{invalid suffix 'ulr' on integer constant}} + + // Decimal integer literals (0) + short_acc_int = 0hk; // expected-error{{invalid suffix 'hk' on integer constant}} + acc_int = 0k; // expected-error{{invalid suffix 'k' on integer constant}} + long_acc_int = 0lk; // expected-error{{invalid suffix 'lk' on integer constant}} + + // Decimal integer literals (large number) + acc_int = 999999999999999999k; // expected-error{{invalid suffix 'k' on integer constant}} + fract_int = 999999999999999999r; // expected-error{{invalid suffix 'r' on integer constant}} + + // Octal integer literals + short_acc_int = 010hk; // expected-error{{invalid suffix 'hk' on integer constant}} + acc_int = 010k; // expected-error{{invalid suffix 'k' on integer constant}} + long_acc_int = 010lk; // expected-error{{invalid suffix 'lk' on integer constant}} + + u_short_acc_int = 010uhk; // expected-error{{invalid suffix 'uhk' on integer constant}} + u_acc_int = 010uk; // expected-error{{invalid suffix 'uk' on integer constant}} + u_long_acc_int = 010ulk; // expected-error{{invalid suffix 'ulk' on integer constant}} + + short_fract_int = 010hr; // expected-error{{invalid suffix 'hr' on integer constant}} + fract_int = 010r; // expected-error{{invalid suffix 'r' on integer constant}} + long_fract_int = 010lr; // expected-error{{invalid suffix 'lr' on integer constant}} + + u_short_fract_int = 010uhr; // expected-error{{invalid suffix 'uhr' on integer constant}} + u_fract_int = 010ur; // expected-error{{invalid suffix 'ur' on integer constant}} + u_long_fract_int = 010ulr; // expected-error{{invalid suffix 'ulr' on integer constant}} + + // Hexadecimal integer literals + short_acc_int = 0x10hk; // expected-error{{invalid suffix 'hk' on integer constant}} + acc_int = 0x10k; // expected-error{{invalid suffix 'k' on integer constant}} + long_acc_int = 0x10lk; // expected-error{{invalid suffix 'lk' on integer constant}} + + u_short_acc_int = 0x10uhk; // expected-error{{invalid suffix 'uhk' on integer constant}} + u_acc_int = 0x10uk; // expected-error{{invalid suffix 'uk' on integer constant}} + u_long_acc_int = 0x10ulk; // expected-error{{invalid suffix 'ulk' on integer constant}} + + short_fract_int = 0x10hr; // expected-error{{invalid suffix 'hr' on integer constant}} + fract_int = 0x10r; // expected-error{{invalid suffix 'r' on integer constant}} + long_fract_int = 0x10lr; // expected-error{{invalid suffix 'lr' on integer constant}} + + u_short_fract_int = 0x10uhr; // expected-error{{invalid suffix 'uhr' on integer constant}} + u_fract_int = 0x10ur; // expected-error{{invalid suffix 'ur' on integer constant}} + u_long_fract_int = 0x10ulr; // expected-error{{invalid suffix 'ulr' on integer constant}} + + // Using auto + auto auto_fract = 0r; // expected-error{{invalid suffix 'r' on integer constant}} + // expected-warning@-1{{type specifier missing, defaults to 'int'}} + auto auto_accum = 0k; // expected-error{{invalid suffix 'k' on integer constant}} + // expected-warning@-1{{type specifier missing, defaults to 'int'}} +} |