| // PR target/94704 |
| // { dg-do compile } |
| // { dg-options "-O2 -std=c++14" } |
| // Test that for all the calls in this testcase the C++17 empty base |
| // artificial fields and [[no_unique_address]] empty class non-static |
| // data members are ignored in the decision whether passed arguments |
| // have a single floating point field. |
| // { dg-final { scan-assembler-times {(?n)^\s+ld\s+%f0,} 7 } } |
| |
| struct X { }; |
| struct Y { int : 0; }; |
| struct Z { int : 0; Y y; }; |
| struct U : public X { X q; }; |
| struct A { double a; }; |
| struct B : public X { double a; }; |
| struct C : public Y { double a; }; |
| struct D : public Z { double a; }; |
| struct E : public U { double a; }; |
| struct F { [[no_unique_address]] X x; double a; }; |
| struct G { [[no_unique_address]] Y y; double a; }; |
| struct H { [[no_unique_address]] Z z; double a; }; |
| struct I { [[no_unique_address]] U u; double a; }; |
| struct J { double a; [[no_unique_address]] X x; }; |
| struct K { double a; [[no_unique_address]] Y y; }; |
| struct L { double a; [[no_unique_address]] Z z; }; |
| struct M { double a; [[no_unique_address]] U u; }; |
| #define T(S, s) extern S s; extern void foo##s (S); int bar##s () { foo##s (s); return 0; } |
| // { dg-message "parameter passing for argument of type 'F' with '\\\[\\\[no_unique_address\\\]\\\]' members changed in GCC 10.1" "" { target *-*-* } .-1 } |
| // { dg-message "parameter passing for argument of type 'G' with '\\\[\\\[no_unique_address\\\]\\\]' members changed in GCC 10.1" "" { target *-*-* } .-2 } |
| // { dg-message "parameter passing for argument of type 'J' with '\\\[\\\[no_unique_address\\\]\\\]' members changed in GCC 10.1" "" { target *-*-* } .-3 } |
| // { dg-message "parameter passing for argument of type 'K' with '\\\[\\\[no_unique_address\\\]\\\]' members changed in GCC 10.1" "" { target *-*-* } .-4 } |
| T (A, a) |
| T (B, b) |
| T (C, c) |
| T (F, f) |
| T (G, g) |
| T (J, j) |
| T (K, k) |
