bolt/deps/llvm-18.1.8/clang/test/CodeGenCXX/default-arguments-with-immediate.cpp

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2025-02-14 19:21:04 +01:00
// RUN: %clang_cc1 -std=c++2a -triple x86_64-elf-gnu %s -emit-llvm -o - | FileCheck %s
consteval int immediate() { return 0;}
static int ext();
void f(int a = immediate() + ext());
void test_function() {
f();
f(0);
// CHECK: call noundef i32 @_ZL3extv()
// CHECK: add
// CHECK: call {{.*}} @_Z1fi
// CHECK: call {{.*}} @_Z1fi
}
// CHECK: define {{.*}} i32 @_ZL3extv()
static constexpr int not_immediate();
struct A {
int a = immediate() + not_immediate();
};
void test_member() {
// CHECK: call void @_ZN1AC2Ev
A defaulted;
// CHECK-NOT: call void @_ZN1AC2Ev
A provided{0};
}
// CHECK: define {{.*}} void @_ZN1AC2Ev{{.*}}
// CHECK: %call = call noundef i32 @_ZL13not_immediatev()
int never_referenced() {return 42;};
namespace not_used {
struct A {
int a = immediate() + never_referenced();
};
void f(int a = immediate() + never_referenced());
void g() {
A a{0};
f(0);
}
}
static int ext() {return 0;}
static constexpr int not_immediate() {return 0;}
// CHECK-NOT: define {{.*}} i32 _ZL16never_referencedv()(
// CHECK: define {{.*}} i32 @_ZL13not_immediatev()