clang/test/Sema/float128-ld-incompatibility.cpp

   1 // RUN: %clang_cc1 -fsyntax-only -verify -std=c++11 \
   2 // RUN: -triple powerpc64le-unknown-linux-gnu -target-cpu pwr9 \
   3 // RUN: -target-feature +float128 %s
   4 // RUN: %clang_cc1 -fsyntax-only -std=c++11 -triple x86_64-unknown-linux-gnu -Wno-unused-value -Wno-parentheses %s
   5
   6 __float128 qf();
   7 long double ldf();
   8
   9 #ifdef __PPC__
  10 // FIXME: once operations between long double and __float128 are implemented for
  11 //        targets where the types are different, these next two will change
  12 long double ld{qf()}; // expected-error {{cannot initialize a variable of type 'long double' with an rvalue of type '__float128'}}
  13 __float128 q{ldf()};  // expected-error {{cannot initialize a variable of type '__float128' with an rvalue of type 'long double'}}
  14
  15 auto test1(__float128 q, long double ld) -> decltype(q + ld) { // expected-error {{invalid operands to binary expression ('__float128' and 'long double')}}
  16   return q + ld;      // expected-error {{invalid operands to binary expression ('__float128' and 'long double')}}
  17 }
  18
  19 auto test2(long double a, __float128 b) -> decltype(a + b) { // expected-error {{invalid operands to binary expression ('long double' and '__float128')}}
  20   return a + b;      // expected-error {{invalid operands to binary expression ('long double' and '__float128')}}
  21 }
  22 #endif
  23
  24 void test3(bool b) {
  25   long double ld;
  26   __float128 q;
  27
  28   ld + q; // expected-error {{invalid operands to binary expression ('long double' and '__float128')}}
  29   q + ld; // expected-error {{invalid operands to binary expression ('__float128' and 'long double')}}
  30   ld - q; // expected-error {{invalid operands to binary expression ('long double' and '__float128')}}
  31   q - ld; // expected-error {{invalid operands to binary expression ('__float128' and 'long double')}}
  32   ld * q; // expected-error {{invalid operands to binary expression ('long double' and '__float128')}}
  33   q * ld; // expected-error {{invalid operands to binary expression ('__float128' and 'long double')}}
  34   ld / q; // expected-error {{invalid operands to binary expression ('long double' and '__float128')}}
  35   q / ld; // expected-error {{invalid operands to binary expression ('__float128' and 'long double')}}
  36   ld = q; // expected-error {{assigning to 'long double' from incompatible type '__float128'}}
  37   q = ld; // expected-error {{assigning to '__float128' from incompatible type 'long double'}}
  38   q + b ? q : ld; // expected-error {{incompatible operand types ('__float128' and 'long double')}}
  39 }