146 lines
		
	
	
		
			4.1 KiB
		
	
	
	
		
			C++
		
	
	
	
			
		
		
	
	
			146 lines
		
	
	
		
			4.1 KiB
		
	
	
	
		
			C++
		
	
	
	
// RUN: %clang_cc1 -fsyntax-only -verify %s -triple x86_64-linux-gnu -target-feature -x87
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// RUN: %clang_cc1 -fsyntax-only -verify %s -triple x86_64-linux-gnu -DNOERROR
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#ifdef NOERROR
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// expected-no-diagnostics
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#endif
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typedef long double long_double;
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// Declaration is fine, unless it is called or defined.
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double decl(long_double x, long_double y);
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template <typename T>
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T decl_ld_del(T);
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// No code is generated for deleted functions
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long_double decl_ld_del(long_double) = delete;
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double decl_ld_del(double) = delete;
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float decl_ld_del(float) = delete;
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#ifndef NOERROR
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// expected-error@+4{{'def' requires  'long_double' (aka 'long double') type support, but target 'x86_64-unknown-linux-gnu' does not support it}}
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// expected-note@+3{{'def' defined here}}
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// expected-note@+2{{'x' defined here}}
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#endif
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int def(long_double x) {
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#ifndef NOERROR
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// expected-error@+2{{'x' requires  'long_double' (aka 'long double') type support, but target 'x86_64-unknown-linux-gnu' does not support it}}
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#endif
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  return (int)x;
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}
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#ifndef NOERROR
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// expected-note@+3{{'ld_args' defined here}}
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// expected-note@+2{{'ld_args' defined here}}
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#endif
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int ld_args(long_double x, long_double y);
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int call1(float x, float y) {
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#ifndef NOERROR
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  // expected-error@+2 2{{'ld_args' requires  'long_double' (aka 'long double') type support, but target 'x86_64-unknown-linux-gnu' does not support it}}
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#endif
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  return ld_args(x, y);
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}
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#ifndef NOERROR
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// expected-note@+2{{'ld_ret' defined here}}
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#endif
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long_double ld_ret(double x, double y);
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int call2(float x, float y) {
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#ifndef NOERROR
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  // expected-error@+2{{'ld_ret' requires  'long_double' (aka 'long double') type support, but target 'x86_64-unknown-linux-gnu' does not support it}}
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#endif
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  return (int)ld_ret(x, y);
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}
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int binop(double x, double y) {
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#ifndef NOERROR
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  // expected-error@+2 2{{expression requires  'long_double' (aka 'long double') type support, but target 'x86_64-unknown-linux-gnu' does not support it}}
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#endif
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  double z = (long_double)x * (long_double)y;
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  return (int)z;
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}
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void assign1(long_double *ret, double x) {
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#ifndef NOERROR
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  // expected-error@+2{{expression requires  'long_double' (aka 'long double') type support, but target 'x86_64-unknown-linux-gnu' does not support it}}
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#endif
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  *ret = x;
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}
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struct st_long_double1 {
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#ifndef NOERROR
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  // expected-note@+2{{'ld' defined here}}
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#endif
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  long_double ld;
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};
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struct st_long_double2 {
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#ifndef NOERROR
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  // expected-note@+2{{'ld' defined here}}
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#endif
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  long_double ld;
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};
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struct st_long_double3 {
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#ifndef NOERROR
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  // expected-note@+2{{'ld' defined here}}
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#endif
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  long_double ld;
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};
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void assign2() {
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  struct st_long_double1 st;
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#ifndef NOERROR
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  // expected-error@+3{{expression requires  'long_double' (aka 'long double') type support, but target 'x86_64-unknown-linux-gnu' does not support it}}
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  // expected-error@+2{{'ld' requires  'long_double' (aka 'long double') type support, but target 'x86_64-unknown-linux-gnu' does not support it}}
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#endif
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  st.ld = 0.42;
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}
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void assign3() {
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  struct st_long_double2 st;
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#ifndef NOERROR
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  // expected-error@+3{{expression requires  'long_double' (aka 'long double') type support, but target 'x86_64-unknown-linux-gnu' does not support it}}
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  // expected-error@+2{{'ld' requires  'long_double' (aka 'long double') type support, but target 'x86_64-unknown-linux-gnu' does not support it}}
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#endif
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  st.ld = 42;
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}
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void assign4(double d) {
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  struct st_long_double3 st;
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#ifndef NOERROR
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  // expected-error@+3{{expression requires  'long_double' (aka 'long double') type support, but target 'x86_64-unknown-linux-gnu' does not support it}}
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  // expected-error@+2{{'ld' requires  'long_double' (aka 'long double') type support, but target 'x86_64-unknown-linux-gnu' does not support it}}
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#endif
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  st.ld = d;
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}
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void assign5() {
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  // unused variable declaration is fine
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  long_double ld = 0.42;
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}
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// Double and Float return type on x86_64 do not use x87 registers
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double d_ret1(float x) {
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  return 0.0;
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}
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double d_ret2(float x);
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int d_ret3(float x) {
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  return (int)d_ret2(x);
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}
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float f_ret1(float x) {
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  return 0.0f;
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}
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float f_ret2(float x);
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int f_ret3(float x) {
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  return (int)f_ret2(x);
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}
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