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// RUN: %clang_cc1 -fexperimental-strict-floating-point \
// RUN: -triple x86_64-linux-gnu -emit-llvm -o - -verify %s
//
// RUN: %clang_cc1 -fexperimental-strict-floating-point \
// RUN: -triple x86_64-linux-gnu -emit-llvm -o - -verify %s \
// RUN: -ffp-eval-method=source
//
// RUN: %clang_cc1 -fexperimental-strict-floating-point \
// RUN: -triple x86_64-linux-gnu -emit-llvm -o - -verify %s \
// RUN: -ffp-eval-method=double
extern "C" int printf(const char *, ...);
void foo1() {
printf("FP: %d\n", __FLT_EVAL_METHOD__);
}
void apply_pragma() {
// expected-note@+1{{#pragma entered here}}
#pragma clang fp eval_method(double)
// expected-error@+1{{'__FLT_EVAL_METHOD__' cannot be expanded inside a scope containing '#pragma clang fp eval_method'}}
printf("FP: %d\n", __FLT_EVAL_METHOD__);
}
int foo2() {
apply_pragma();
return 0;
}
void apply_pragma_with_wrong_value() {
// expected-error@+1{{unexpected argument 'value' to '#pragma clang fp eval_method'; expected 'source', 'double' or 'extended'}}
#pragma clang fp eval_method(value)
}
int foo3() {
apply_pragma_with_wrong_value();
return 0;
}
void foo() {
auto a = __FLT_EVAL_METHOD__;
{
// expected-note@+1{{#pragma entered here}}
#pragma clang fp eval_method(double)
// expected-error@+1{{'__FLT_EVAL_METHOD__' cannot be expanded inside a scope containing '#pragma clang fp eval_method'}}
auto b = __FLT_EVAL_METHOD__;
}
auto c = __FLT_EVAL_METHOD__;
}
void func() {
{
{
#pragma clang fp eval_method(source)
}
int i = __FLT_EVAL_METHOD__; // ok, not in a scope changed by the pragma
}
{
// expected-note@+1{{#pragma entered here}}
#pragma clang fp eval_method(source)
// expected-error@+1{{'__FLT_EVAL_METHOD__' cannot be expanded inside a scope containing '#pragma clang fp eval_method'}}
int i = __FLT_EVAL_METHOD__;
}
}
float G;
int f(float x, float y, float z) {
G = x * y + z;
return __FLT_EVAL_METHOD__;
}
int foo(int flag, float x, float y, float z) {
if (flag) {
// expected-note@+1{{#pragma entered here}}
#pragma clang fp eval_method(double)
G = x + y + z;
// expected-error@+1{{'__FLT_EVAL_METHOD__' cannot be expanded inside a scope containing '#pragma clang fp eval_method'}}
return __FLT_EVAL_METHOD__;
} else {
// expected-note@+1{{#pragma entered here}}
#pragma clang fp eval_method(extended)
G = x + y + z;
// expected-error@+1{{'__FLT_EVAL_METHOD__' cannot be expanded inside a scope containing '#pragma clang fp eval_method'}}
return __FLT_EVAL_METHOD__;
}
}
#if __FLT_EVAL_METHOD__ == 1
#endif
#pragma clang fp eval_method(source)
// expected-note@+1{{#pragma entered here}}
#pragma clang fp eval_method(double)
// expected-error@+1{{'__FLT_EVAL_METHOD__' cannot be expanded inside a scope containing '#pragma clang fp eval_method'}}
#if __FLT_EVAL_METHOD__ == 1
#endif
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