llvm-project/clang/test/SemaHLSL/prohibit_pointer.hlsl

82 lines
2.2 KiB
HLSL

// RUN: %clang_cc1 -triple dxil-pc-shadermodel6.0-compute -x hlsl -o - -fsyntax-only %s -verify
// expected-error@+1 {{pointers are unsupported in HLSL}}
typedef int (*fn_int)(int);
void* bark(int); // expected-error {{pointers are unsupported in HLSL}}
void meow(int*); // expected-error {{pointers are unsupported in HLSL}}
struct Foo {
int X;
int Y;
} *bad; // expected-error {{pointers are unsupported in HLSL}}
// expected-error@+1 {{pointers are unsupported in HLSL}}
void woof(int Foo::*Member);
int entry() {
int X;
Foo F;
// expected-error@+2 {{the '&' operator is unsupported in HLSL}}
// expected-error@+1 {{pointers are unsupported in HLSL}}
int Foo::*Member = &F.X;
// expected-error@+1 {{the '&' operator is unsupported in HLSL}}
int *Y = &X; // expected-error {{pointers are unsupported in HLSL}}
// expected-error@+2 {{the '->' operator is unsupported in HLSL}}
// expected-error@+1 {{the '&' operator is unsupported in HLSL}}
int W = (&F)->X;
int Array[2];
// expected-error@+1 {{the '&' operator is unsupported in HLSL}}
*(&Array[0] + 1) = 12;
// expected-error@+1 {{the '*' operator is unsupported in HLSL}}
*Array = 12;
}
int roar(Foo *F) { // expected-error {{pointers are unsupported in HLSL}}
// expected-error@+1 {{the '->' operator is unsupported in HLSL}}
return F->X;
}
template <typename T>
void devilish_language(T look_ma_no_pointers);
void make_me_cry() {
int X;
// expected-error@+1 {{the '&' operator is unsupported in HLSL}}
devilish_language(&X);
// not-expected-error@+1 {{pointers are unsupported in HLSL}}
devilish_language(roar); // allow function pointer decay
// not-expected-error@+1 {{pointers are unsupported in HLSL}}
devilish_language("roar"); // allow array pointer decay
}
struct Fish {
struct Fins {
int Left;
int Right;
};
int X;
int operator *() {
return X;
}
// expected-note@+1 {{'->' applied to return value of the operator->() declared here}}
Fins operator ->() {
return Fins();
}
};
int gone_fishing() {
Fish F;
int Result = *F; // user-defined dereference operators work
// expected-error@+1 {{member reference type 'Fish::Fins' is not a pointer}}
Result += F->Left;
return Result;
}