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0e4d2361b8
The argument to the `vec_step` builtin is not evaluated. Hoist the diagnostic for this in `Sema::CheckUnaryExprOrTypeTraitOperand` such that it comes before `Sema::CheckVecStepTraitOperandType`. A minor side-effect of this change is that it also produces the warning for `co_await` and `co_yield` as `sizeof` arguments now, which seems to be reasonable given that the warning is emitted for `typeid` already. Differential Revision: https://reviews.llvm.org/D91348
35 lines
1.5 KiB
Common Lisp
35 lines
1.5 KiB
Common Lisp
// RUN: %clang_cc1 -fsyntax-only -pedantic -verify %s
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typedef int int2 __attribute__((ext_vector_type(2)));
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typedef int int3 __attribute__((ext_vector_type(3)));
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typedef int int4 __attribute__((ext_vector_type(4)));
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typedef int int8 __attribute__((ext_vector_type(8)));
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typedef int int16 __attribute__((ext_vector_type(16)));
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void foo(int3 arg1, int8 arg2) {
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int4 auto1;
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int16 *auto2;
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int auto3;
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int2 auto4;
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struct S *incomplete1;
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int res1[vec_step(arg1) == 4 ? 1 : -1];
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int res2[vec_step(arg2) == 8 ? 1 : -1];
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int res3[vec_step(auto1) == 4 ? 1 : -1];
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int res4[vec_step(*auto2) == 16 ? 1 : -1];
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int res5[vec_step(auto3) == 1 ? 1 : -1];
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int res6[vec_step(auto4) == 2 ? 1 : -1];
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int res7[vec_step(int2) == 2 ? 1 : -1];
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int res8[vec_step(int3) == 4 ? 1 : -1];
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int res9[vec_step(int4) == 4 ? 1 : -1];
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int res10[vec_step(int8) == 8 ? 1 : -1];
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int res11[vec_step(int16) == 16 ? 1 : -1];
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int res12[vec_step(void) == 1 ? 1 : -1];
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int res13 = vec_step(*incomplete1); // expected-error {{'vec_step' requires built-in scalar or vector type, '__private struct S' invalid}}
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int res14 = vec_step(int16*); // expected-error {{'vec_step' requires built-in scalar or vector type, '__private int16 *' invalid}}
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int res15 = vec_step(void(void)); // expected-error {{'vec_step' requires built-in scalar or vector type, 'void (void)' invalid}}
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int res_no_effect = vec_step(auto3++); // expected-warning {{expression with side effects has no effect in an unevaluated context}}
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}
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