llvm-project/clang/test/Sema/arithmetic-fence-builtin.c

49 lines
2.4 KiB
C

// RUN: %clang_cc1 -triple i386-pc-linux-gnu -emit-llvm -o - -verify -x c++ %s
// RUN: %clang_cc1 -triple ppc64le -DPPC -emit-llvm -o - -verify -x c++ %s
// RUN: not %clang_cc1 -triple ppc64le -DPPC -emit-llvm -o - -x c++ %s \
// RUN: -fprotect-parens 2>&1 | FileCheck -check-prefix=PPC %s
#ifndef PPC
int v;
template <typename T> T addT(T a, T b) {
T *q = __arithmetic_fence(&a);
// expected-error@-1 {{invalid operand of type 'float *' where floating, complex or a vector of such types is required}}
// expected-error@-2 {{invalid operand of type 'int *' where floating, complex or a vector of such types is required}}
return __arithmetic_fence(a + b);
// expected-error@-1 {{invalid operand of type 'int' where floating, complex or a vector of such types is required}}
}
int addit(int a, int b) {
float x, y;
typedef struct {
int a, b;
} stype;
stype s;
s = __arithmetic_fence(s); // expected-error {{invalid operand of type 'stype' where floating, complex or a vector of such types is required}}
x = __arithmetic_fence(); // expected-error {{too few arguments to function call, expected 1, have 0}}
x = __arithmetic_fence(x, y); // expected-error {{too many arguments to function call, expected 1, have 2}}
// Complex is supported.
_Complex double cd, cd1;
cd = __arithmetic_fence(cd1);
// Vector is supported.
typedef float __v4hi __attribute__((__vector_size__(8)));
__v4hi vec1, vec2;
vec1 = __arithmetic_fence(vec2);
v = __arithmetic_fence(a + b); // expected-error {{invalid operand of type 'int' where floating, complex or a vector of such types is required}}
float f = addT<float>(a, b); // expected-note {{in instantiation of function template specialization 'addT<float>' requested here}}
int i = addT<int>(1, 2); // expected-note {{in instantiation of function template specialization 'addT<int>' requested here}}
constexpr float d = 1.0 + 2.0;
constexpr float c = __arithmetic_fence(1.0 + 2.0);
constexpr float e = __arithmetic_fence(d);
return 0;
}
bool func(float f1, float f2, float f3) {
return (f1 == f2 && f1 == f3) || f2 == f3; // Should not warn here
}
static_assert( __arithmetic_fence(1.0 + 2.0), "message" );
#else
float addit(float a, float b) {
return __arithmetic_fence(a+b); // expected-error {{builtin is not supported on this target}}
}
#endif
//PPC: error: option '-fprotect-parens' cannot be specified on this target