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1 // RUN: %clang_cc1 -fsyntax-only -verify -triple aarch64 -target-feature +bf16 %s
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2
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3 __bf16 test_static_cast_from_float(float in) {
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4 return static_cast<__bf16>(in); // expected-error {{static_cast from 'float' to '__bf16' is not allowed}}
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5 }
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6
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7 __bf16 test_static_cast_from_float_literal(void) {
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8 return static_cast<__bf16>(1.0f); // expected-error {{static_cast from 'float' to '__bf16' is not allowed}}
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9 }
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10
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11 __bf16 test_static_cast_from_int(int in) {
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12 return static_cast<__bf16>(in); // expected-error {{static_cast from 'int' to '__bf16' is not allowed}}
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13 }
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14
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15 __bf16 test_static_cast_from_int_literal(void) {
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16 return static_cast<__bf16>(1); // expected-error {{static_cast from 'int' to '__bf16' is not allowed}}
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17 }
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18
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19 __bf16 test_static_cast_bfloat(__bf16 in) {
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20 return static_cast<__bf16>(in); // this one should work
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21 }
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22
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23 float test_static_cast_to_float(__bf16 in) {
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24 return static_cast<float>(in); // expected-error {{static_cast from '__bf16' to 'float' is not allowed}}
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25 }
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26
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27 int test_static_cast_to_int(__bf16 in) {
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28 return static_cast<int>(in); // expected-error {{static_cast from '__bf16' to 'int' is not allowed}}
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29 }
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30
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31 __bf16 test_implicit_from_float(float in) {
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32 return in; // expected-error {{cannot initialize return object of type '__bf16' with an lvalue of type 'float'}}
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33 }
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34
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35 __bf16 test_implicit_from_float_literal() {
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36 return 1.0f; // expected-error {{cannot initialize return object of type '__bf16' with an rvalue of type 'float'}}
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37 }
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38
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39 __bf16 test_implicit_from_int(int in) {
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40 return in; // expected-error {{cannot initialize return object of type '__bf16' with an lvalue of type 'int'}}
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41 }
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42
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43 __bf16 test_implicit_from_int_literal() {
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44 return 1; // expected-error {{cannot initialize return object of type '__bf16' with an rvalue of type 'int'}}
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45 }
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46
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47 __bf16 test_implicit_bfloat(__bf16 in) {
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48 return in; // this one should work
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49 }
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50
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51 float test_implicit_to_float(__bf16 in) {
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52 return in; // expected-error {{cannot initialize return object of type 'float' with an lvalue of type '__bf16'}}
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53 }
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54
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55 int test_implicit_to_int(__bf16 in) {
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56 return in; // expected-error {{cannot initialize return object of type 'int' with an lvalue of type '__bf16'}}
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57 }
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58
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59 __bf16 test_cond(__bf16 a, __bf16 b, bool which) {
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60 // Conditional operator _should_ be supported, without nonsense
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61 // complaints like 'types __bf16 and __bf16 are not compatible'
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62 return which ? a : b;
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63 }
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64
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65 __bf16 test_cond_float(__bf16 a, __bf16 b, bool which) {
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66 return which ? a : 1.0f; // expected-error {{incompatible operand types ('__bf16' and 'float')}}
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67 }
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68
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69 __bf16 test_cond_int(__bf16 a, __bf16 b, bool which) {
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70 return which ? a : 1; // expected-error {{incompatible operand types ('__bf16' and 'int')}}
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71 }
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