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cxx-altivec.cpp
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// RUN: %clang_cc1 -triple=powerpc-apple-darwin8 -target-feature +altivec -fsyntax-only -verify -std=c++11 %s
// RUN: %clang_cc1 -triple=powerpc64-unknown-linux-gnu -target-feature +altivec -fsyntax-only -verify -std=c++11 %s
// RUN: %clang_cc1 -triple=powerpc64le-unknown-linux-gnu -target-feature +altivec -fsyntax-only -verify -std=c++11 %s
#include <altivec.h>
__vector char vv_c;
__vector signed char vv_sc;
__vector unsigned char vv_uc;
__vector short vv_s;
__vector signed short vv_ss;
__vector unsigned short vv_us;
__vector short int vv_si;
__vector signed short int vv_ssi;
__vector unsigned short int vv_usi;
__vector int vv_i;
__vector signed int vv_sint;
__vector unsigned int vv_ui;
__vector float vv_f;
__vector bool char vv_bc;
__vector bool short vv_bs;
__vector bool int vv_bi;
__vector __bool char vv___bc;
__vector __bool short vv___bs;
__vector __bool int vv___bi;
__vector __pixel vv_p;
__vector pixel vv__p;
__vector int vf__r();
void vf__a(__vector int a);
void vf__a2(int b, __vector int a);
vector char v_c;
vector signed char v_sc;
vector unsigned char v_uc;
vector short v_s;
vector signed short v_ss;
vector unsigned short v_us;
vector short int v_si;
vector signed short int v_ssi;
vector unsigned short int v_usi;
vector int v_i;
vector signed int v_sint;
vector unsigned int v_ui;
vector float v_f;
vector bool char v_bc;
vector bool short v_bs;
vector bool int v_bi;
vector __bool char v___bc;
vector __bool short v___bs;
vector __bool int v___bi;
vector __pixel v_p;
vector pixel v__p;
vector int f__r();
void f_a(vector int a);
void f_a2(int b, vector int a);
vector int v = (vector int)(-1);
// These should have warnings.
__vector long vv_l; // expected-warning {{Use of 'long' with '__vector' is deprecated}}
__vector signed long vv_sl; // expected-warning {{Use of 'long' with '__vector' is deprecated}}
__vector unsigned long vv_ul; // expected-warning {{Use of 'long' with '__vector' is deprecated}}
__vector long int vv_li; // expected-warning {{Use of 'long' with '__vector' is deprecated}}
__vector signed long int vv_sli; // expected-warning {{Use of 'long' with '__vector' is deprecated}}
__vector unsigned long int vv_uli; // expected-warning {{Use of 'long' with '__vector' is deprecated}}
vector long v_l; // expected-warning {{Use of 'long' with '__vector' is deprecated}}
vector signed long v_sl; // expected-warning {{Use of 'long' with '__vector' is deprecated}}
vector unsigned long v_ul; // expected-warning {{Use of 'long' with '__vector' is deprecated}}
vector long int v_li; // expected-warning {{Use of 'long' with '__vector' is deprecated}}
vector signed long int v_sli; // expected-warning {{Use of 'long' with '__vector' is deprecated}}
vector unsigned long int v_uli; // expected-warning {{Use of 'long' with '__vector' is deprecated}}
__vector long double vv_ld; // expected-error {{cannot use 'long double' with '__vector'}}
vector long double v_ld; // expected-error {{cannot use 'long double' with '__vector'}}
// These should have errors.
__vector double vv_d1; // expected-error {{use of 'double' with '__vector' requires VSX support to be enabled (available on POWER7 or later)}}
vector double v_d2; // expected-error {{use of 'double' with '__vector' requires VSX support to be enabled (available on POWER7 or later)}}
__vector bool long long v_bll1; // expected-error {{use of 'long long' with '__vector bool' requires VSX support (available on POWER7 or later) or extended Altivec support (available on POWER8 or later) to be enabled}}
__vector __bool long long v_bll2; // expected-error {{use of 'long long' with '__vector bool' requires VSX support (available on POWER7 or later) or extended Altivec support (available on POWER8 or later) to be enabled}}
vector bool long long v_bll3; // expected-error {{use of 'long long' with '__vector bool' requires VSX support (available on POWER7 or later) or extended Altivec support (available on POWER8 or later) to be enabled}}
vector __bool long long v_bll4; // expected-error {{use of 'long long' with '__vector bool' requires VSX support (available on POWER7 or later) or extended Altivec support (available on POWER8 or later) to be enabled}}
__vector long double vv_ld3; // expected-error {{cannot use 'long double' with '__vector'}}
vector long double v_ld4; // expected-error {{cannot use 'long double' with '__vector'}}
vector bool v_b; // expected-error {{C++ requires a type specifier for all declarations}}
vector bool float v_bf; // expected-error {{cannot use 'float' with '__vector bool'}}
vector bool double v_bd; // expected-error {{cannot use 'double' with '__vector bool'}}
vector bool pixel v_bp; // expected-error {{cannot use '__pixel' with '__vector bool'}}
vector bool signed char v_bsc; // expected-error {{cannot use 'signed' with '__vector bool'}}
vector bool unsigned int v_bsc2; // expected-error {{cannot use 'unsigned' with '__vector bool'}}
vector bool long v_bl; // expected-error {{cannot use 'long' with '__vector bool'}}
vector __bool float v___bf; // expected-error {{cannot use 'float' with '__vector bool'}}
vector __bool double v___bd; // expected-error {{cannot use 'double' with '__vector bool'}}
vector __bool pixel v___bp; // expected-error {{cannot use '__pixel' with '__vector bool'}}
vector __bool signed char v___bsc; // expected-error {{cannot use 'signed' with '__vector bool'}}
vector __bool unsigned int v___bsc2; // expected-error {{cannot use 'unsigned' with '__vector bool'}}
vector __bool long v___bl; // expected-error {{cannot use 'long' with '__vector bool'}}
// vector long is deprecated, but vector long long is not.
vector long long v_ll;
vector signed long long v_sll;
vector unsigned long long v_ull;
void f() {
__vector unsigned int v = {0,0,0,0};
__vector int v__cast = (__vector int)v;
__vector int v_cast = (vector int)v;
__vector char vb_cast = (vector char)v;
// Check some casting between gcc and altivec vectors.
#define gccvector __attribute__((vector_size(16)))
gccvector unsigned int gccv = {0,0,0,0};
gccvector unsigned int gccv1 = gccv;
gccvector int gccv2 = (gccvector int)gccv;
gccvector unsigned int gccv3 = v;
__vector unsigned int av = gccv;
__vector int avi = (__vector int)gccv;
gccvector unsigned int gv = v;
gccvector int gvi = (gccvector int)v;
__attribute__((vector_size(8))) unsigned int gv8;
gv8 = gccv; // expected-error {{assigning to '__attribute__((__vector_size__(2 * sizeof(unsigned int)))) unsigned int' (vector of 2 'unsigned int' values) from incompatible type '__attribute__((__vector_size__(4 * sizeof(unsigned int)))) unsigned int' (vector of 4 'unsigned int' values)}}
av = gv8; // expected-error {{assigning to '__vector unsigned int' (vector of 4 'unsigned int' values) from incompatible type '__attribute__((__vector_size__(2 * sizeof(unsigned int)))) unsigned int' (vector of 2 'unsigned int' values)}}
v = gccv;
__vector unsigned int tv = gccv;
gccv = v;
gccvector unsigned int tgv = v;
}
// Now for the C++ version:
class vc__v {
__vector int v;
__vector int f__r();
void f__a(__vector int a);
void f__a2(int b, __vector int a);
};
class c_v {
vector int v;
vector int f__r();
void f__a(vector int a);
void f__a2(int b, vector int a);
};
// bug 6895 - Vectorl literal casting confusion.
vector char v1 = (vector char)((vector int)(1, 2, 3, 4));
vector char v2 = (vector char)((vector float)(1.0f, 2.0f, 3.0f, 4.0f));
vector char v3 = (vector char)((vector int)('a', 'b', 'c', 'd'));
vector int v4 = (vector int)(1, 2, 3, 4);
vector float v5 = (vector float)(1.0f, 2.0f, 3.0f, 4.0f);
vector char v6 = (vector char)((vector int)(1+2, -2, (int)(2.0 * 3), -(5-3)));
// bug 7553 - Problem with '==' and vectors
void func() {
bool res_b;
res_b = (vv_sc == vv_sc);
res_b = (vv_uc != vv_uc);
res_b = (vv_s > vv_s);
res_b = (vv_us >= vv_us);
res_b = (vv_i < vv_i);
res_b = (vv_ui <= vv_ui);
res_b = (vv_f <= vv_f);
}
// vecreturn attribute test
struct Vector
{
__vector float xyzw;
} __attribute__((vecreturn));
Vector Add(Vector lhs, Vector rhs)
{
Vector result;
result.xyzw = vec_add(lhs.xyzw, rhs.xyzw);
return result; // This will (eventually) be returned in a register
}
// vecreturn attribute test - should error because of virtual function.
class VectorClassNonPod
{
__vector float xyzw;
public:
VectorClassNonPod() {}
virtual ~VectorClassNonPod() {}
} __attribute__((vecreturn)); // expected-error {{the vecreturn attribute can only be used on a POD (plain old data) class or structure (i.e. no virtual functions)}}
// vecreturn attribute test - should error because of virtual function.
class VectorClassMultipleMembers
{
public:
__vector float xyzw;
__vector float abcd;
} __attribute__((vecreturn)); // expected-error {{the vecreturn attribute can only be used on a class or structure with one member, which must be a vector}}
template<typename... Args> void PR16874() {
(void) (Args::foo()...); // expected-error {{expression contains unexpanded parameter pack 'Args'}} expected-error {{expected ')'}} expected-note {{to match this '('}}
}