llvm-project/clang/test/CodeGenCXX/cxx2a-three-way-comparison.cpp

30 lines
882 B
C++

// RUN: %clang_cc1 -std=c++2a -emit-llvm %s -o - -triple %itanium_abi_triple | FileCheck %s --check-prefix=ITANIUM
// RUN: not %clang_cc1 -std=c++2a -emit-llvm %s -o - -triple %ms_abi_triple 2>&1 | FileCheck %s --check-prefix=MSABI
// RUN: not %clang_cc1 -std=c++2a -emit-llvm %s -o - -triple %itanium_abi_triple -DBUILTIN 2>&1 | FileCheck %s --check-prefix=BUILTIN
// MSABI: cannot mangle this three-way comparison operator yet
struct A {
void operator<=>(int);
};
// ITANIUM: define {{.*}}@_ZN1AssEi(
void A::operator<=>(int) {}
// ITANIUM: define {{.*}}@_Zssi1A(
void operator<=>(int, A) {}
int operator<=>(A, A);
// ITANIUM: define {{.*}}_Z1f1A(
int f(A a) {
// ITANIUM: %[[RET:.*]] = call {{.*}}_Zss1AS_(
// ITANIUM: ret i32 %[[RET]]
return a <=> a;
}
#ifdef BUILTIN
void builtin(int a) {
a <=> a; // BUILTIN: cannot compile this scalar expression yet
}
#endif