51 lines · c
1// RUN: %clang_cc1 -fsyntax-only -verify %s2char *foo(float) __attribute__((__overloadable__));3 4void test_foo_1(float fv, double dv, float _Complex fc, double _Complex dc) {5 char *cp1 = foo(fv);6 char *cp2 = foo(dv);7 // Note: GCC and EDG reject these two, but they are valid C99 conversions8 char *cp3 = foo(fc);9 char *cp4 = foo(dc);10}11 12int *foo(float _Complex) __attribute__((__overloadable__));13 14void test_foo_2(float fv, double dv, float _Complex fc, double _Complex dc) {15 char *cp1 = foo(fv);16 char *cp2 = foo(dv);17 int *ip = foo(fc);18 int *lp = foo(dc);19}20 21long *foo(double _Complex) __attribute__((__overloadable__));22 23void test_foo_3(float fv, double dv, float _Complex fc, double _Complex dc) {24 char *cp1 = foo(fv);25 char *cp2 = foo(dv);26 int *ip = foo(fc);27 long *lp = foo(dc);28}29 30char *promote_or_convert(double _Complex) __attribute__((__overloadable__)); // expected-note 2 {{candidate function}}31int *promote_or_convert(long double _Complex) __attribute__((__overloadable__)); // expected-note 2 {{candidate function}} 32 33void test_promote_or_convert(float f, float _Complex fc) {34 char *cp = promote_or_convert(fc); // expected-error{{call to 'promote_or_convert' is ambiguous}}35 int *ip2 = promote_or_convert(f); // expected-error{{call to 'promote_or_convert' is ambiguous}}36}37 38char *promote_or_convert2(float) __attribute__((__overloadable__));39int *promote_or_convert2(double _Complex) __attribute__((__overloadable__));40 41void test_promote_or_convert2(float _Complex fc) {42 int *cp = promote_or_convert2(fc);43}44 45char *promote_or_convert3(int _Complex) __attribute__((__overloadable__));46int *promote_or_convert3(long _Complex) __attribute__((__overloadable__));47 48void test_promote_or_convert3(short _Complex sc) {49 char *cp = promote_or_convert3(sc);50}51