clang/test/SemaCXX/altivec.cpp

   1 // RUN: %clang_cc1 -target-feature +altivec -flax-vector-conversions=none -triple powerpc-unknown-unknown -fcxx-exceptions -verify %s
   2
   3 typedef int V4i __attribute__((vector_size(16)));
   4
   5 void test_vec_step(vector short arg1) {
   6   vector bool char vbc;
   7   vector signed char vsc;
   8   vector unsigned char vuc;
   9   vector bool short vbs;
  10   vector short vs;
  11   vector unsigned short vus;
  12   vector pixel vp;
  13   vector bool int vbi;
  14   vector int vi;
  15   vector unsigned int vui;
  16   vector float vf;
  17
  18   vector int *pvi;
  19
  20   int res1[vec_step(arg1) == 8 ? 1 : -1];
  21   int res2[vec_step(vbc) == 16 ? 1 : -1];
  22   int res3[vec_step(vsc) == 16 ? 1 : -1];
  23   int res4[vec_step(vuc) == 16 ? 1 : -1];
  24   int res5[vec_step(vbs) == 8 ? 1 : -1];
  25   int res6[vec_step(vs) == 8 ? 1 : -1];
  26   int res7[vec_step(vus) == 8 ? 1 : -1];
  27   int res8[vec_step(vp) == 8 ? 1 : -1];
  28   int res9[vec_step(vbi) == 4 ? 1 : -1];
  29   int res10[vec_step(vi) == 4 ? 1 : -1];
  30   int res11[vec_step(vui) == 4 ? 1 : -1];
  31   int res12[vec_step(vf) == 4 ? 1 : -1];
  32   int res13[vec_step(*pvi) == 4 ? 1 : -1];
  33 }
  34
  35 void f(V4i a)
  36 {
  37 }
  38
  39 void test1()
  40 {
  41   V4i vGCC;
  42   vector int vAltiVec;
  43
  44   f(vAltiVec);
  45   vGCC = vAltiVec;
  46   bool res = vGCC > vAltiVec;
  47   vAltiVec = 0 ? vGCC : vGCC;
  48 }
  49
  50 template<typename T>
  51 void template_f(T param) {
  52   param++;
  53 }
  54
  55 void test2()
  56 {
  57   vector int vi;
  58   ++vi;
  59   vi++;
  60   --vi;
  61   vi--;
  62   vector float vf;
  63   vf++;
  64
  65   ++vi=vi; // expected-warning {{unsequenced}}
  66   (++vi)[1]=1;
  67   template_f(vi);
  68 }
  69
  70 namespace LValueToRValueConversions {
  71   struct Struct {
  72     float f();
  73     int n();
  74   };
  75
  76   vector float initFloat = (vector float)(Struct().f); // expected-error {{did you mean to call it}}
  77   vector int initInt = (vector int)(Struct().n); // expected-error {{did you mean to call it}}
  78 }
  79
  80 void f() {
  81   try {}
  82   catch (vector pixel px) {}
  83 };