clang/test/AST/ByteCode/complex.c

   1 // RUN: %clang_cc1 -fexperimental-new-constant-interpreter -verify=expected,both -Wno-unused-value %s
   2 // RUN: %clang_cc1 -verify=ref,both -Wno-unused-value %s
   3
   4 void blah() {
   5   __complex__ unsigned xx;
   6   __complex__ signed yy;
   7   __complex__ int result;
   8
   9   /// The following line calls into the constant interpreter.
  10   result = xx * yy;
  11 }
  12
  13
  14 _Static_assert((0.0 + 0.0j) == (0.0 + 0.0j), "");
  15 _Static_assert((0.0 + 0.0j) != (0.0 + 0.0j), ""); // both-error {{static assertion}} \
  16                                                   // both-note {{evaluates to}}
  17
  18 const _Complex float FC = {0.0f, 0.0f};
  19 _Static_assert(!FC, "");
  20 const _Complex float FI = {0, 0};
  21 _Static_assert(!FI, "");
  22
  23
  24 /// Make sure we're stripping the _Atomic part from the
  25 /// complex type.
  26 void testComplexFloat(_Atomic(_Complex float) *fp) {
  27   _Atomic(_Complex float) x = 2.0f;
  28   _Complex float f = *fp;
  29   *fp = f;
  30 }