74 lines · cpp
1// RUN: %clang_cc1 -std=c++17 -triple x86_64-unknown-linux-gnu -mconstructor-aliases -fclangir -emit-cir %s -o %t.cir2// RUN: FileCheck --input-file=%t.cir %s3// RUN: %clang_cc1 -std=c++17 -triple x86_64-unknown-linux-gnu -mconstructor-aliases -fclangir -emit-llvm %s -o %t-cir.ll4// RUN: FileCheck --check-prefix=LLVM --input-file=%t-cir.ll %s5// RUN: %clang_cc1 -std=c++17 -triple x86_64-unknown-linux-gnu -mconstructor-aliases -emit-llvm %s -o %t.ll6// RUN: FileCheck --check-prefix=OGCG --input-file=%t.ll %s7 8struct B {9 ~B();10};11B::~B() {12}13 14// LLVM: @_ZN1BD1Ev = alias void (ptr), ptr @_ZN1BD2Ev15 16// OGCG: @_ZN1BD1Ev = unnamed_addr alias void (ptr), ptr @_ZN1BD2Ev17 18// CHECK: cir.func{{.*}} @_ZN1BD2Ev(%arg0: !cir.ptr<!rec_B>19// CHECK: %[[THIS_ADDR:.*]] = cir.alloca !cir.ptr<!rec_B>, !cir.ptr<!cir.ptr<!rec_B>>, ["this", init]20// CHECK: cir.store %arg0, %[[THIS_ADDR]]21// CHECK: %[[THIS:.*]] = cir.load %[[THIS_ADDR]] : !cir.ptr<!cir.ptr<!rec_B>>, !cir.ptr<!rec_B>22 23// CHECK: cir.func{{.*}} private dso_local @_ZN1BD1Ev(!cir.ptr<!rec_B>) alias(@_ZN1BD2Ev)24 25// LLVM: define{{.*}} @_ZN1BD2Ev(ptr %[[THIS_ARG:.*]])26// LLVM: %[[THIS_ADDR:.*]] = alloca ptr27// LLVM: store ptr %[[THIS_ARG]], ptr %[[THIS_ADDR]]28// LLVM: %[[THIS:.*]] = load ptr, ptr %[[THIS_ADDR]]29 30// OGCG: define{{.*}} @_ZN1BD2Ev(ptr{{.*}} %[[THIS_ARG:.*]])31// OGCG: %[[THIS_ADDR:.*]] = alloca ptr32// OGCG: store ptr %[[THIS_ARG]], ptr %[[THIS_ADDR]]33// OGCG: %[[THIS:.*]] = load ptr, ptr %[[THIS_ADDR]]34 35// The destructor in this case is handled by RAUW rather than aliasing.36struct Struk {37 ~Struk() {}38};39 40void baz() {41 Struk s;42}43 44// CHECK: cir.func{{.*}} @_ZN5StrukD2Ev(%arg0: !cir.ptr<!rec_Struk>45// CHECK: %[[THIS_ADDR:.*]] = cir.alloca !cir.ptr<!rec_Struk>, !cir.ptr<!cir.ptr<!rec_Struk>>, ["this", init]46// CHECK: cir.store %arg0, %[[THIS_ADDR]] : !cir.ptr<!rec_Struk>, !cir.ptr<!cir.ptr<!rec_Struk>>47// CHECK: %[[THIS:.*]] = cir.load %[[THIS_ADDR]] : !cir.ptr<!cir.ptr<!rec_Struk>>, !cir.ptr<!rec_Struk>48// CHECK: cir.return49 50// CHECK-NOT: cir.func{{.*}} @_ZN5StrukD1Ev51 52// CHECK: cir.func{{.*}} @_Z3bazv()53// CHECK: %[[S_ADDR:.*]] = cir.alloca !rec_Struk, !cir.ptr<!rec_Struk>, ["s"]54// CHECK: cir.call @_ZN5StrukD2Ev(%[[S_ADDR]]) nothrow : (!cir.ptr<!rec_Struk>) -> ()55 56// LLVM: define linkonce_odr void @_ZN5StrukD2Ev(ptr %[[THIS_ARG]])57// LLVM: %[[THIS_ADDR:.*]] = alloca ptr58// LLVM: store ptr %[[THIS_ARG]], ptr %[[THIS_ADDR]]59// LLVM: %[[THIS:.*]] = load ptr, ptr %[[THIS_ADDR]]60 61// LLVM: define{{.*}} void @_Z3bazv()62// LLVM: %[[S_ADDR:.*]] = alloca %struct.Struk63// LLVM: call void @_ZN5StrukD2Ev(ptr{{.*}} %[[S_ADDR]])64 65// This function gets emitted before the destructor in OGCG.66// OGCG: define{{.*}} void @_Z3bazv()67// OGCG: %[[S_ADDR:.*]] = alloca %struct.Struk68// OGCG: call void @_ZN5StrukD2Ev(ptr{{.*}} %[[S_ADDR]])69 70// OGCG: define linkonce_odr void @_ZN5StrukD2Ev(ptr{{.*}} %[[THIS_ARG]])71// OGCG: %[[THIS_ADDR:.*]] = alloca ptr72// OGCG: store ptr %[[THIS_ARG]], ptr %[[THIS_ADDR]]73// OGCG: %[[THIS:.*]] = load ptr, ptr %[[THIS_ADDR]]74