// RUN: %clang_cc1 -triple x86_64-unknown-linux-gnu -std=c++20 -mconstructor-aliases -fclangir -emit-cir %s -o %t.cir // RUN: FileCheck --input-file=%t.cir %s --check-prefix=CIR // RUN: %clang_cc1 -triple x86_64-unknown-linux-gnu -std=c++20 -mconstructor-aliases -fclangir -emit-llvm %s -o %t-cir.ll // RUN: FileCheck --input-file=%t-cir.ll %s --check-prefix=LLVM // RUN: %clang_cc1 -triple x86_64-unknown-linux-gnu -std=c++20 -mconstructor-aliases -emit-llvm %s -o %t.ll // RUN: FileCheck --input-file=%t.ll %s --check-prefix=OGCG struct A { ~A(); }; void test_temporary_dtor() { A(); } // CIR: cir.func dso_local @_Z19test_temporary_dtorv() // CIR: %[[ALLOCA:.*]] = cir.alloca !rec_A, !cir.ptr, ["agg.tmp.ensured"] // CIR: cir.call @_ZN1AD1Ev(%[[ALLOCA]]) nothrow : (!cir.ptr) -> () // LLVM: define dso_local void @_Z19test_temporary_dtorv(){{.*}} // LLVM: %[[ALLOCA:.*]] = alloca %struct.A, i64 1, align 1 // LLVM: call void @_ZN1AD1Ev(ptr %[[ALLOCA]]) // OGCG: define dso_local void @_Z19test_temporary_dtorv() // OGCG: %[[ALLOCA:.*]] = alloca %struct.A, align 1 // OGCG: call void @_ZN1AD1Ev(ptr {{.*}} %[[ALLOCA]]) struct B { int n; B(int n) : n(n) {} ~B() {} }; bool make_temp(const B &) { return false; } bool test_temp_or() { return make_temp(1) || make_temp(2); } // CIR: cir.func{{.*}} @_Z12test_temp_orv() // CIR: cir.scope { // CIR: %[[REF_TMP0:.*]] = cir.alloca !rec_B, !cir.ptr, ["ref.tmp0"] // CIR: %[[ONE:.*]] = cir.const #cir.int<1> // CIR: cir.call @_ZN1BC2Ei(%[[REF_TMP0]], %[[ONE]]) // CIR: %[[MAKE_TEMP0:.*]] = cir.call @_Z9make_tempRK1B(%[[REF_TMP0]]) // CIR: %[[TERNARY:.*]] = cir.ternary(%[[MAKE_TEMP0]], true { // CIR: %[[TRUE:.*]] = cir.const #true // CIR: cir.yield %[[TRUE]] : !cir.bool // CIR: }, false { // CIR: %[[REF_TMP1:.*]] = cir.alloca !rec_B, !cir.ptr, ["ref.tmp1"] // CIR: %[[TWO:.*]] = cir.const #cir.int<2> // CIR: cir.call @_ZN1BC2Ei(%[[REF_TMP1]], %[[TWO]]) // CIR: %[[MAKE_TEMP1:.*]] = cir.call @_Z9make_tempRK1B(%[[REF_TMP1]]) // CIR: cir.call @_ZN1BD2Ev(%[[REF_TMP1]]) // CIR: cir.yield %[[MAKE_TEMP1]] : !cir.bool // CIR: }) // CIR: cir.store{{.*}} %[[TERNARY]], %[[RETVAL:.*]] // CIR: cir.call @_ZN1BD2Ev(%[[REF_TMP0]]) // CIR: } // LLVM: define{{.*}} i1 @_Z12test_temp_orv(){{.*}} { // LLVM: %[[REF_TMP0:.*]] = alloca %struct.B // LLVM: %[[REF_TMP1:.*]] = alloca %struct.B // LLVM: br label %[[LOR_BEGIN:.*]] // LLVM: [[LOR_BEGIN]]: // LLVM: call void @_ZN1BC2Ei(ptr %[[REF_TMP0]], i32 1) // LLVM: %[[MAKE_TEMP0:.*]] = call i1 @_Z9make_tempRK1B(ptr %[[REF_TMP0]]) // LLVM: br i1 %[[MAKE_TEMP0]], label %[[LHS_TRUE_BLOCK:.*]], label %[[LHS_FALSE_BLOCK:.*]] // LLVM: [[LHS_TRUE_BLOCK]]: // LLVM: br label %[[RESULT_BLOCK:.*]] // LLVM: [[LHS_FALSE_BLOCK]]: // LLVM: call void @_ZN1BC2Ei(ptr %[[REF_TMP1]], i32 2) // LLVM: %[[MAKE_TEMP1:.*]] = call i1 @_Z9make_tempRK1B(ptr %[[REF_TMP1]]) // LLVM: call void @_ZN1BD2Ev(ptr %[[REF_TMP1]]) // LLVM: br label %[[RESULT_BLOCK]] // LLVM: [[RESULT_BLOCK]]: // LLVM: %[[RESULT:.*]] = phi i1 [ %[[MAKE_TEMP1]], %[[LHS_FALSE_BLOCK]] ], [ true, %[[LHS_TRUE_BLOCK]] ] // LLVM: br label %[[LOR_END:.*]] // LLVM: [[LOR_END]]: // LLVM: call void @_ZN1BD2Ev(ptr %[[REF_TMP0]]) // OGCG: define {{.*}} i1 @_Z12test_temp_orv() // OGCG: [[ENTRY:.*]]: // OGCG: %[[RETVAL:.*]] = alloca i1 // OGCG: %[[REF_TMP0:.*]] = alloca %struct.B // OGCG: %[[REF_TMP1:.*]] = alloca %struct.B // OGCG: %[[CLEANUP_COND:.*]] = alloca i1 // OGCG: call void @_ZN1BC2Ei(ptr {{.*}} %[[REF_TMP0]], i32 {{.*}} 1) // OGCG: %[[MAKE_TEMP0:.*]] = call {{.*}} i1 @_Z9make_tempRK1B(ptr {{.*}} %[[REF_TMP0]]) // OGCG: store i1 false, ptr %cleanup.cond // OGCG: br i1 %[[MAKE_TEMP0]], label %[[LOR_END:.*]], label %[[LOR_RHS:.*]] // OGCG: [[LOR_RHS]]: // OGCG: call void @_ZN1BC2Ei(ptr {{.*}} %[[REF_TMP1]], i32 {{.*}} 2) // OGCG: store i1 true, ptr %[[CLEANUP_COND]] // OGCG: %[[MAKE_TEMP1:.*]] = call {{.*}} i1 @_Z9make_tempRK1B(ptr {{.*}} %[[REF_TMP1]]) // OGCG: br label %[[LOR_END]] // OGCG: [[LOR_END]]: // OGCG: %[[PHI:.*]] = phi i1 [ true, %[[ENTRY]] ], [ %[[MAKE_TEMP1]], %[[LOR_RHS]] ] // OGCG: store i1 %[[PHI]], ptr %[[RETVAL]] // OGCG: %[[CLEANUP_IS_ACTIVE:.*]] = load i1, ptr %[[CLEANUP_COND]] // OGCG: br i1 %[[CLEANUP_IS_ACTIVE]], label %[[CLEANUP_ACTION:.*]], label %[[CLEANUP_DONE:.*]] // OGCG: [[CLEANUP_ACTION]]: // OGCG: call void @_ZN1BD2Ev(ptr {{.*}} %[[REF_TMP1]]) // OGCG: br label %[[CLEANUP_DONE]] // OGCG: [[CLEANUP_DONE]]: // OGCG: call void @_ZN1BD2Ev(ptr {{.*}} %[[REF_TMP0]]) bool test_temp_and() { return make_temp(1) && make_temp(2); } // CIR: cir.func{{.*}} @_Z13test_temp_andv() // CIR: cir.scope { // CIR: %[[REF_TMP0:.*]] = cir.alloca !rec_B, !cir.ptr, ["ref.tmp0"] // CIR: %[[ONE:.*]] = cir.const #cir.int<1> // CIR: cir.call @_ZN1BC2Ei(%[[REF_TMP0]], %[[ONE]]) // CIR: %[[MAKE_TEMP0:.*]] = cir.call @_Z9make_tempRK1B(%[[REF_TMP0]]) // CIR: %[[TERNARY:.*]] = cir.ternary(%[[MAKE_TEMP0]], true { // CIR: %[[REF_TMP1:.*]] = cir.alloca !rec_B, !cir.ptr, ["ref.tmp1"] // CIR: %[[TWO:.*]] = cir.const #cir.int<2> // CIR: cir.call @_ZN1BC2Ei(%[[REF_TMP1]], %[[TWO]]) // CIR: %[[MAKE_TEMP1:.*]] = cir.call @_Z9make_tempRK1B(%[[REF_TMP1]]) // CIR: cir.call @_ZN1BD2Ev(%[[REF_TMP1]]) // CIR: cir.yield %[[MAKE_TEMP1]] : !cir.bool // CIR: }, false { // CIR: %[[FALSE:.*]] = cir.const #false // CIR: cir.yield %[[FALSE]] : !cir.bool // CIR: }) // CIR: cir.store{{.*}} %[[TERNARY]], %[[RETVAL:.*]] // CIR: cir.call @_ZN1BD2Ev(%[[REF_TMP0]]) // CIR: } // LLVM: define{{.*}} i1 @_Z13test_temp_andv(){{.*}} { // LLVM: %[[REF_TMP0:.*]] = alloca %struct.B // LLVM: %[[REF_TMP1:.*]] = alloca %struct.B // LLVM: br label %[[LAND_BEGIN:.*]] // LLVM: [[LAND_BEGIN]]: // LLVM: call void @_ZN1BC2Ei(ptr %[[REF_TMP0]], i32 1) // LLVM: %[[MAKE_TEMP0:.*]] = call i1 @_Z9make_tempRK1B(ptr %[[REF_TMP0]]) // LLVM: br i1 %[[MAKE_TEMP0]], label %[[LHS_TRUE_BLOCK:.*]], label %[[LHS_FALSE_BLOCK:.*]] // LLVM: [[LHS_TRUE_BLOCK]]: // LLVM: call void @_ZN1BC2Ei(ptr %[[REF_TMP1]], i32 2) // LLVM: %[[MAKE_TEMP1:.*]] = call i1 @_Z9make_tempRK1B(ptr %[[REF_TMP1]]) // LLVM: call void @_ZN1BD2Ev(ptr %[[REF_TMP1]]) // LLVM: br label %[[RESULT_BLOCK:.*]] // LLVM: [[LHS_FALSE_BLOCK]]: // LLVM: br label %[[RESULT_BLOCK]] // LLVM: [[RESULT_BLOCK]]: // LLVM: %[[RESULT:.*]] = phi i1 [ false, %[[LHS_FALSE_BLOCK]] ], [ %[[MAKE_TEMP1]], %[[LHS_TRUE_BLOCK]] ] // LLVM: br label %[[LAND_END:.*]] // LLVM: [[LAND_END]]: // LLVM: call void @_ZN1BD2Ev(ptr %[[REF_TMP0]]) // OGCG: define {{.*}} i1 @_Z13test_temp_andv() // OGCG: [[ENTRY:.*]]: // OGCG: %[[RETVAL:.*]] = alloca i1 // OGCG: %[[REF_TMP0:.*]] = alloca %struct.B // OGCG: %[[REF_TMP1:.*]] = alloca %struct.B // OGCG: %[[CLEANUP_COND:.*]] = alloca i1 // OGCG: call void @_ZN1BC2Ei(ptr {{.*}} %[[REF_TMP0]], i32 {{.*}} 1) // OGCG: %[[MAKE_TEMP0:.*]] = call {{.*}} i1 @_Z9make_tempRK1B(ptr {{.*}} %[[REF_TMP0]]) // OGCG: store i1 false, ptr %cleanup.cond // OGCG: br i1 %[[MAKE_TEMP0]], label %[[LAND_RHS:.*]], label %[[LAND_END:.*]] // OGCG: [[LAND_RHS]]: // OGCG: call void @_ZN1BC2Ei(ptr {{.*}} %[[REF_TMP1]], i32 {{.*}} 2) // OGCG: store i1 true, ptr %[[CLEANUP_COND]] // OGCG: %[[MAKE_TEMP1:.*]] = call {{.*}} i1 @_Z9make_tempRK1B(ptr {{.*}} %[[REF_TMP1]]) // OGCG: br label %[[LAND_END]] // OGCG: [[LAND_END]]: // OGCG: %[[PHI:.*]] = phi i1 [ false, %[[ENTRY]] ], [ %[[MAKE_TEMP1]], %[[LAND_RHS]] ] // OGCG: store i1 %[[PHI]], ptr %[[RETVAL]] // OGCG: %[[CLEANUP_IS_ACTIVE:.*]] = load i1, ptr %[[CLEANUP_COND]] // OGCG: br i1 %[[CLEANUP_IS_ACTIVE]], label %[[CLEANUP_ACTION:.*]], label %[[CLEANUP_DONE:.*]] // OGCG: [[CLEANUP_ACTION]]: // OGCG: call void @_ZN1BD2Ev(ptr {{.*}} %[[REF_TMP1]]) // OGCG: br label %[[CLEANUP_DONE]] // OGCG: [[CLEANUP_DONE]]: // OGCG: call void @_ZN1BD2Ev(ptr {{.*}} %[[REF_TMP0]]) struct C { ~C(); }; struct D { int n; C c; ~D() {} }; // CIR: cir.func {{.*}} @_ZN1DD2Ev // CIR: %[[C:.*]] = cir.get_member %{{.*}}[1] {name = "c"} // CIR: cir.call @_ZN1CD1Ev(%[[C]]) // LLVM: define {{.*}} void @_ZN1DD2Ev // LLVM: %[[C:.*]] = getelementptr %struct.D, ptr %{{.*}}, i32 0, i32 1 // LLVM: call void @_ZN1CD1Ev(ptr %[[C]]) // This destructor is defined after the calling function in OGCG. void test_nested_dtor() { D d; } // CIR: cir.func{{.*}} @_Z16test_nested_dtorv() // CIR: cir.call @_ZN1DD2Ev(%{{.*}}) // LLVM: define {{.*}} void @_Z16test_nested_dtorv(){{.*}} // LLVM: call void @_ZN1DD2Ev(ptr %{{.*}}) // OGCG: define {{.*}} void @_Z16test_nested_dtorv() // OGCG: call void @_ZN1DD2Ev(ptr {{.*}} %{{.*}}) // OGCG: define {{.*}} void @_ZN1DD2Ev // OGCG: %[[C:.*]] = getelementptr inbounds i8, ptr %{{.*}}, i64 4 // OGCG: call void @_ZN1CD1Ev(ptr {{.*}} %[[C]]) struct E { ~E(); }; struct F : public E { int n; ~F() {} }; // CIR: cir.func {{.*}} @_ZN1FD2Ev // CIR: %[[BASE_E:.*]] = cir.base_class_addr %{{.*}} : !cir.ptr nonnull [0] -> !cir.ptr // CIR: cir.call @_ZN1ED2Ev(%[[BASE_E]]) nothrow : (!cir.ptr) -> () // Because E is at offset 0 in F, there is no getelementptr needed. // LLVM: define {{.*}} void @_ZN1FD2Ev // LLVM: call void @_ZN1ED2Ev(ptr %{{.*}}) // This destructor is defined after the calling function in OGCG. void test_base_dtor_call() { F f; } // CIR: cir.func {{.*}} @_Z19test_base_dtor_callv() // cir.call @_ZN1FD2Ev(%{{.*}}) nothrow : (!cir.ptr) -> () // LLVM: define {{.*}} void @_Z19test_base_dtor_callv(){{.*}} // LLVM: call void @_ZN1FD2Ev(ptr %{{.*}}) // OGCG: define {{.*}} void @_Z19test_base_dtor_callv() // OGCG: call void @_ZN1FD2Ev(ptr {{.*}} %{{.*}}) // OGCG: define {{.*}} void @_ZN1FD2Ev // OGCG: call void @_ZN1ED2Ev(ptr {{.*}} %{{.*}}) struct VirtualBase { ~VirtualBase(); }; struct Derived : virtual VirtualBase { ~Derived() {} }; void test_base_dtor_call_virtual_base() { Derived d; } // Derived D2 (base) destructor -- does not call VirtualBase destructor // CIR: cir.func {{.*}} @_ZN7DerivedD2Ev // CIR-NOT: cir.call{{.*}} @_ZN11VirtualBaseD2Ev // CIR: cir.return // LLVM: define {{.*}} void @_ZN7DerivedD2Ev // LLVM-NOT: call{{.*}} @_ZN11VirtualBaseD2Ev // LLVM: ret // Derived D1 (complete) destructor -- does call VirtualBase destructor // CIR: cir.func {{.*}} @_ZN7DerivedD1Ev // CIR: %[[THIS:.*]] = cir.load %{{.*}} // CIR: %[[VTT:.*]] = cir.vtt.address_point @_ZTT7Derived, offset = 0 -> !cir.ptr> // CIR: cir.call @_ZN7DerivedD2Ev(%[[THIS]], %[[VTT]]) // CIR: %[[VIRTUAL_BASE:.*]] = cir.base_class_addr %[[THIS]] : !cir.ptr nonnull [0] -> !cir.ptr // CIR: cir.call @_ZN11VirtualBaseD2Ev(%[[VIRTUAL_BASE]]) // LLVM: define {{.*}} void @_ZN7DerivedD1Ev // LLVM: call void @_ZN7DerivedD2Ev(ptr %{{.*}}, ptr @_ZTT7Derived) // LLVM: call void @_ZN11VirtualBaseD2Ev(ptr %{{.*}}) // OGCG emits these destructors in reverse order // OGCG: define {{.*}} void @_ZN7DerivedD1Ev // OGCG: call void @_ZN7DerivedD2Ev(ptr {{.*}} %{{.*}}, ptr {{.*}} @_ZTT7Derived) // OGCG: call void @_ZN11VirtualBaseD2Ev(ptr {{.*}} %{{.*}}) // OGCG: define {{.*}} void @_ZN7DerivedD2Ev // OGCG-NOT: call{{.*}} @_ZN11VirtualBaseD2Ev // OGCG: ret