145 lines · cpp
1// RUN: %clang_cc1 -std=c++11 -triple aarch64-none-linux-android21 -fclangir -emit-cir %s -o %t.cir2// RUN: FileCheck --check-prefix=CIR --input-file=%t.cir %s3// RUN: %clang_cc1 -std=c++11 -triple aarch64-none-linux-android21 -fclangir -emit-llvm %s -o %t-cir.ll4// RUN: FileCheck --check-prefix=LLVM --input-file=%t-cir.ll %s5// RUN: %clang_cc1 -std=c++11 -triple aarch64-none-linux-android21 -emit-llvm %s -o %t.ll6// RUN: FileCheck --check-prefix=OGCG --input-file=%t.ll %s7 8class x {9public: int operator=(int);10};11void a() {12 x a;13 a = 1u;14}15 16// CIR: cir.func private @_ZN1xaSEi(!cir.ptr<!rec_x>, !s32i)17// CIR: cir.func{{.*}} @_Z1av()18// CIR: %[[A_ADDR:.*]] = cir.alloca !rec_x, !cir.ptr<!rec_x>, ["a"]19// CIR: %[[ONE:.*]] = cir.const #cir.int<1> : !u32i20// CIR: %[[ONE_CAST:.*]] = cir.cast integral %[[ONE]] : !u32i -> !s32i21// CIR: %[[RET:.*]] = cir.call @_ZN1xaSEi(%[[A_ADDR]], %[[ONE_CAST]]) : (!cir.ptr<!rec_x>, !s32i) -> !s32i22 23// LLVM: define{{.*}} @_Z1av(){{.*}}24// OGCG: define{{.*}} @_Z1av()25 26void f(int i, int j) {27 (i += j) = 17;28}29 30// CIR: cir.func{{.*}} @_Z1fii(%arg0: !s32i {{.*}}, %arg1: !s32i {{.*}})31// CIR: %[[I_ADDR:.*]] = cir.alloca !s32i, !cir.ptr<!s32i>, ["i", init]32// CIR: %[[J_ADDR:.*]] = cir.alloca !s32i, !cir.ptr<!s32i>, ["j", init]33// CIR: cir.store %arg0, %[[I_ADDR]] : !s32i, !cir.ptr<!s32i>34// CIR: cir.store %arg1, %[[J_ADDR]] : !s32i, !cir.ptr<!s32i>35// CIR: %[[SEVENTEEN:.*]] = cir.const #cir.int<17> : !s32i36// CIR: %[[J_LOAD:.*]] = cir.load align(4) %[[J_ADDR]] : !cir.ptr<!s32i>, !s32i37// CIR: %[[I_LOAD:.*]] = cir.load align(4) %[[I_ADDR]] : !cir.ptr<!s32i>, !s32i38// CIR: %[[ADD:.*]] = cir.binop(add, %[[I_LOAD]], %[[J_LOAD]]) nsw : !s32i39// CIR: cir.store align(4) %[[ADD]], %[[I_ADDR]] : !s32i, !cir.ptr<!s32i>40// CIR: cir.store align(4) %[[SEVENTEEN]], %[[I_ADDR]] : !s32i, !cir.ptr<!s32i>41// CIR: cir.return42 43// Ensure that we use memcpy when we would have selected a trivial assignment44// operator, even for a non-trivially-copyable type.45struct A {46 A &operator=(const A&);47};48struct B {49 B(const B&);50 B &operator=(const B&) = default;51 int n;52};53struct C {54 A a;55 B b[16];56};57void copy_c(C &c1, C &c2) {58 c1 = c2;59}60 61// CIR: cir.func private @_ZN1AaSERKS_(!cir.ptr<!rec_A>, !cir.ptr<!rec_A>) -> !cir.ptr<!rec_A>62// CIR: cir.func private @memcpy(!cir.ptr<!void>, !cir.ptr<!void>, !u64i) -> !cir.ptr<!void>63 64// Implicit assignment operator for C.65 66// CIR: cir.func comdat linkonce_odr @_ZN1CaSERKS_(%arg0: !cir.ptr<!rec_C> {{.*}}, %arg1: !cir.ptr<!rec_C> {{.*}}) -> !cir.ptr<!rec_C>67// CIR: %[[THIS_ADDR:.*]] = cir.alloca !cir.ptr<!rec_C>, !cir.ptr<!cir.ptr<!rec_C>>, ["this", init]68// CIR: %[[ARG1_ADDR:.*]] = cir.alloca !cir.ptr<!rec_C>, !cir.ptr<!cir.ptr<!rec_C>>, ["", init, const]69// CIR: %[[RET_ADDR:.*]] = cir.alloca !cir.ptr<!rec_C>, !cir.ptr<!cir.ptr<!rec_C>>, ["__retval"]70// CIR: cir.store %arg0, %[[THIS_ADDR]]71// CIR: cir.store %arg1, %[[ARG1_ADDR]]72// CIR: %[[THIS:.*]] = cir.load{{.*}} %[[THIS_ADDR]]73// CIR: %[[A_MEMBER:.*]] = cir.get_member %[[THIS]][0] {name = "a"}74// CIR: %[[ARG1_LOAD:.*]] = cir.load{{.*}} %[[ARG1_ADDR]]75// CIR: %[[A_MEMBER_2:.*]] = cir.get_member %[[ARG1_LOAD]][0] {name = "a"}76// CIR: %[[C_A:.*]] = cir.call @_ZN1AaSERKS_(%[[A_MEMBER]], %[[A_MEMBER_2]])77// CIR: %[[B_MEMBER:.*]] = cir.get_member %[[THIS]][1] {name = "b"}78// CIR: %[[B_VOID_PTR:.*]] = cir.cast bitcast %[[B_MEMBER]] : !cir.ptr<!cir.array<!rec_B x 16>> -> !cir.ptr<!void>79// CIR: %[[RET_LOAD:.*]] = cir.load %[[ARG1_ADDR]]80// CIR: %[[B_MEMBER_2:.*]] = cir.get_member %[[RET_LOAD]][1] {name = "b"}81// CIR: %[[B_VOID_PTR_2:.*]] = cir.cast bitcast %[[B_MEMBER_2]] : !cir.ptr<!cir.array<!rec_B x 16>> -> !cir.ptr<!void>82// CIR: %[[SIZE:.*]] = cir.const #cir.int<64> : !u64i83// CIR: %[[COUNT:.*]] = cir.call @memcpy(%[[B_VOID_PTR]], %[[B_VOID_PTR_2]], %[[SIZE]])84// CIR: cir.store %[[THIS]], %[[RET_ADDR]]85// CIR: %[[RET_VAL:.*]] = cir.load{{.*}} %[[RET_ADDR]]86// CIR: cir.return %[[RET_VAL]]87 88// CIR: cir.func{{.*}} @_Z6copy_cR1CS0_(%arg0: !cir.ptr<!rec_C> {{.*}}, %arg1: !cir.ptr<!rec_C> {{.*}})89// CIR: %[[C1_ADDR:.*]] = cir.alloca !cir.ptr<!rec_C>, !cir.ptr<!cir.ptr<!rec_C>>, ["c1", init, const]90// CIR: %[[C2_ADDR:.*]] = cir.alloca !cir.ptr<!rec_C>, !cir.ptr<!cir.ptr<!rec_C>>, ["c2", init, const]91// CIR: cir.store %arg0, %[[C1_ADDR]]92// CIR: cir.store %arg1, %[[C2_ADDR]]93// CIR: %[[C2_LOAD:.*]] = cir.load{{.*}} %[[C2_ADDR]]94// CIR: %[[C1_LOAD:.*]] = cir.load{{.*}} %[[C1_ADDR]]95// CIR: %[[RET:.*]] = cir.call @_ZN1CaSERKS_(%[[C1_LOAD]], %[[C2_LOAD]])96 97struct D {98 D &operator=(const D&);99};100struct E {101 D &get_d_ref() { return d; }102private:103 D d;104};105 106void copy_ref_to_ref(E &e1, E &e2) {107 e1.get_d_ref() = e2.get_d_ref();108}109 110// The call to e2.get_d_ref() must occur before the call to e1.get_d_ref().111 112// CIR: cir.func{{.*}} @_Z15copy_ref_to_refR1ES0_(%arg0: !cir.ptr<!rec_E> {{.*}}, %arg1: !cir.ptr<!rec_E> {{.*}})113// CIR: %[[E1_ADDR:.*]] = cir.alloca !cir.ptr<!rec_E>, !cir.ptr<!cir.ptr<!rec_E>>, ["e1", init, const]114// CIR: %[[E2_ADDR:.*]] = cir.alloca !cir.ptr<!rec_E>, !cir.ptr<!cir.ptr<!rec_E>>, ["e2", init, const]115// CIR: cir.store %arg0, %[[E1_ADDR]] : !cir.ptr<!rec_E>, !cir.ptr<!cir.ptr<!rec_E>>116// CIR: cir.store %arg1, %[[E2_ADDR]] : !cir.ptr<!rec_E>, !cir.ptr<!cir.ptr<!rec_E>>117// CIR: %[[E2:.*]] = cir.load %[[E2_ADDR]]118// CIR: %[[D2_REF:.*]] = cir.call @_ZN1E9get_d_refEv(%[[E2]])119// CIR: %[[E1:.*]] = cir.load %[[E1_ADDR]]120// CIR: %[[D1_REF:.*]] = cir.call @_ZN1E9get_d_refEv(%[[E1]])121// CIR: %[[D1_REF_2:.*]] = cir.call @_ZN1DaSERKS_(%[[D1_REF]], %[[D2_REF]])122// CIR: cir.return123 124// LLVM: define{{.*}} void @_Z15copy_ref_to_refR1ES0_(ptr %[[ARG0:.*]], ptr %[[ARG1:.*]]){{.*}} {125// LLVM: %[[E1_ADDR:.*]] = alloca ptr126// LLVM: %[[E2_ADDR:.*]] = alloca ptr127// LLVM: store ptr %[[ARG0]], ptr %[[E1_ADDR]]128// LLVM: store ptr %[[ARG1]], ptr %[[E2_ADDR]]129// LLVM: %[[E2:.*]] = load ptr, ptr %[[E2_ADDR]]130// LLVM: %[[D2_REF:.*]] = call ptr @_ZN1E9get_d_refEv(ptr %[[E2]])131// LLVM: %[[E1:.*]] = load ptr, ptr %[[E1_ADDR]]132// LLVM: %[[D1_REF:.*]] = call ptr @_ZN1E9get_d_refEv(ptr %[[E1]])133// LLVM: %[[D1_REF_2:.*]] = call ptr @_ZN1DaSERKS_(ptr %[[D1_REF]], ptr %[[D2_REF]])134 135// OGCG: define{{.*}} void @_Z15copy_ref_to_refR1ES0_(ptr{{.*}} %[[ARG0:.*]], ptr{{.*}} %[[ARG1:.*]])136// OGCG: %[[E1_ADDR:.*]] = alloca ptr137// OGCG: %[[E2_ADDR:.*]] = alloca ptr138// OGCG: store ptr %[[ARG0]], ptr %[[E1_ADDR]]139// OGCG: store ptr %[[ARG1]], ptr %[[E2_ADDR]]140// OGCG: %[[E2:.*]] = load ptr, ptr %[[E2_ADDR]]141// OGCG: %[[D2_REF:.*]] = call{{.*}} ptr @_ZN1E9get_d_refEv(ptr{{.*}} %[[E2]])142// OGCG: %[[E1:.*]] = load ptr, ptr %[[E1_ADDR]]143// OGCG: %[[D1_REF:.*]] = call{{.*}} ptr @_ZN1E9get_d_refEv(ptr{{.*}} %[[E1]])144// OGCG: %[[D1_REF_2:.*]] = call{{.*}} ptr @_ZN1DaSERKS_(ptr{{.*}} %[[D1_REF]], ptr{{.*}} %[[D2_REF]])145