test/CodeGen/RISCV/riscv-vector-callingconv.cpp

// RUN: %clang_cc1 %s -triple riscv64 -target-feature +v -verify

__attribute__((riscv_vector_cc)) int var; // expected-warning {{'riscv_vector_cc' only applies to function types; type here is 'int'}}

__attribute__((riscv_vector_cc)) void func();
__attribute__((riscv_vector_cc(1))) void func_invalid(); // expected-error {{'riscv_vector_cc' attribute takes no arguments}}

void test_no_attribute(int); // expected-note {{previous declaration is here}}
void __attribute__((riscv_vector_cc)) test_no_attribute(int x) { } // expected-error {{function declared 'riscv_vector_cc' here was previously declared without calling convention}}

class test_cc {
  __attribute__((riscv_vector_cc)) void member_func();
};

void test_lambda() {
  __attribute__((riscv_vector_cc)) auto lambda = []() { // expected-warning {{'riscv_vector_cc' only applies to function types; type here is 'auto'}}
  };
}

[[riscv::vector_cc]] int var2; // expected-warning {{'vector_cc' only applies to function types; type here is 'int'}}

[[riscv::vector_cc]] void func2();
[[riscv::vector_cc(1)]] void func_invalid2(); // expected-error {{'riscv::vector_cc' attribute takes no arguments}}

void test_no_attribute2(int); // expected-note {{previous declaration is here}}
[[riscv::vector_cc]] void test_no_attribute2(int x) { } // expected-error {{function declared 'riscv_vector_cc' here was previously declared without calling convention}}

class test_cc2 {
  [[riscv::vector_cc]] void member_func();
};

void test_lambda2() {
  [[riscv::vector_cc]] auto lambda = []() { // expected-warning {{'vector_cc' only applies to function types; type here is 'auto'}}
  };
}

[[riscv::vls_cc]] int var_vls; // expected-warning {{'vls_cc' only applies to function types; type here is 'int'}}

[[riscv::vls_cc]] void func_vls();
[[riscv::vls_cc(1)]] void func_invalid_vls(); // expected-error {{argument value 1 is outside the valid range [32, 65536]}}
[[riscv::vls_cc(129)]] void func_invalid_vls(); // expected-error {{argument should be a power of 2}}

void test_no_attribute_vls(int); // expected-note {{previous declaration is here}}
[[riscv::vls_cc]] void test_no_attribute_vls(int x) { } // expected-error {{function declared 'riscv_vls_cc(128)' here was previously declared without calling convention}}

class test_cc_vls {
  [[riscv::vls_cc]] void member_func();
};

void test_lambda_vls() {
  [[riscv::vls_cc]] auto lambda = []() { // expected-warning {{'vls_cc' only applies to function types; type here is 'auto'}}
  };
}