// RUN: %clang_cc1 -std=c++11 -triple aarch64-none-linux-android21 -fclangir -emit-cir %s -o %t.cir // RUN: FileCheck --check-prefix=CIR --input-file=%t.cir %s // RUN: %clang_cc1 -std=c++11 -triple aarch64-none-linux-android21 -fclangir -emit-llvm %s -o %t-cir.ll // RUN: FileCheck --check-prefix=LLVM --input-file=%t-cir.ll %s // RUN: %clang_cc1 -std=c++11 -triple aarch64-none-linux-android21 -emit-llvm %s -o %t.ll // RUN: FileCheck --check-prefix=OGCG --input-file=%t.ll %s class x { public: int operator=(int); }; void a() { x a; a = 1u; } // CIR: cir.func private @_ZN1xaSEi(!cir.ptr, !s32i) // CIR: cir.func{{.*}} @_Z1av() // CIR: %[[A_ADDR:.*]] = cir.alloca !rec_x, !cir.ptr, ["a"] // CIR: %[[ONE:.*]] = cir.const #cir.int<1> : !u32i // CIR: %[[ONE_CAST:.*]] = cir.cast(integral, %[[ONE]] : !u32i), !s32i // CIR: %[[RET:.*]] = cir.call @_ZN1xaSEi(%[[A_ADDR]], %[[ONE_CAST]]) : (!cir.ptr, !s32i) -> !s32i // LLVM: define{{.*}} @_Z1av() // OGCG: define{{.*}} @_Z1av() void f(int i, int j) { (i += j) = 17; } // CIR: cir.func{{.*}} @_Z1fii(%arg0: !s32i {{.*}}, %arg1: !s32i {{.*}}) // CIR: %[[I_ADDR:.*]] = cir.alloca !s32i, !cir.ptr, ["i", init] // CIR: %[[J_ADDR:.*]] = cir.alloca !s32i, !cir.ptr, ["j", init] // CIR: cir.store %arg0, %[[I_ADDR]] : !s32i, !cir.ptr // CIR: cir.store %arg1, %[[J_ADDR]] : !s32i, !cir.ptr // CIR: %[[SEVENTEEN:.*]] = cir.const #cir.int<17> : !s32i // CIR: %[[J_LOAD:.*]] = cir.load align(4) %[[J_ADDR]] : !cir.ptr, !s32i // CIR: %[[I_LOAD:.*]] = cir.load align(4) %[[I_ADDR]] : !cir.ptr, !s32i // CIR: %[[ADD:.*]] = cir.binop(add, %[[I_LOAD]], %[[J_LOAD]]) nsw : !s32i // CIR: cir.store align(4) %[[ADD]], %[[I_ADDR]] : !s32i, !cir.ptr // CIR: cir.store align(4) %[[SEVENTEEN]], %[[I_ADDR]] : !s32i, !cir.ptr // CIR: cir.return // Ensure that we use memcpy when we would have selected a trivial assignment // operator, even for a non-trivially-copyable type. struct A { A &operator=(const A&); }; struct B { B(const B&); B &operator=(const B&) = default; int n; }; struct C { A a; B b[16]; }; void copy_c(C &c1, C &c2) { c1 = c2; } // CIR: cir.func private @_ZN1AaSERKS_(!cir.ptr, !cir.ptr) -> !cir.ptr // CIR: cir.func private @memcpy(!cir.ptr, !cir.ptr, !u64i) -> !cir.ptr // Implicit assignment operator for C. // CIR: cir.func comdat linkonce_odr @_ZN1CaSERKS_(%arg0: !cir.ptr {{.*}}, %arg1: !cir.ptr {{.*}}) -> !cir.ptr // CIR: %[[THIS_ADDR:.*]] = cir.alloca !cir.ptr, !cir.ptr>, ["this", init] // CIR: %[[ARG1_ADDR:.*]] = cir.alloca !cir.ptr, !cir.ptr>, ["", init, const] // CIR: %[[RET_ADDR:.*]] = cir.alloca !cir.ptr, !cir.ptr>, ["__retval"] // CIR: cir.store %arg0, %[[THIS_ADDR]] // CIR: cir.store %arg1, %[[ARG1_ADDR]] // CIR: %[[THIS:.*]] = cir.load{{.*}} %[[THIS_ADDR]] // CIR: %[[A_MEMBER:.*]] = cir.get_member %[[THIS]][0] {name = "a"} // CIR: %[[ARG1_LOAD:.*]] = cir.load{{.*}} %[[ARG1_ADDR]] // CIR: %[[A_MEMBER_2:.*]] = cir.get_member %[[ARG1_LOAD]][0] {name = "a"} // CIR: %[[C_A:.*]] = cir.call @_ZN1AaSERKS_(%[[A_MEMBER]], %[[A_MEMBER_2]]) // CIR: %[[B_MEMBER:.*]] = cir.get_member %[[THIS]][1] {name = "b"} // CIR: %[[B_VOID_PTR:.*]] = cir.cast(bitcast, %[[B_MEMBER]] : !cir.ptr>), !cir.ptr // CIR: %[[RET_LOAD:.*]] = cir.load %[[ARG1_ADDR]] // CIR: %[[B_MEMBER_2:.*]] = cir.get_member %[[RET_LOAD]][1] {name = "b"} // CIR: %[[B_VOID_PTR_2:.*]] = cir.cast(bitcast, %[[B_MEMBER_2]] : !cir.ptr>), !cir.ptr // CIR: %[[SIZE:.*]] = cir.const #cir.int<64> : !u64i // CIR: %[[COUNT:.*]] = cir.call @memcpy(%[[B_VOID_PTR]], %[[B_VOID_PTR_2]], %[[SIZE]]) // CIR: cir.store %[[THIS]], %[[RET_ADDR]] // CIR: %[[RET_VAL:.*]] = cir.load{{.*}} %[[RET_ADDR]] // CIR: cir.return %[[RET_VAL]] // CIR: cir.func{{.*}} @_Z6copy_cR1CS0_(%arg0: !cir.ptr {{.*}}, %arg1: !cir.ptr {{.*}}) // CIR: %[[C1_ADDR:.*]] = cir.alloca !cir.ptr, !cir.ptr>, ["c1", init, const] // CIR: %[[C2_ADDR:.*]] = cir.alloca !cir.ptr, !cir.ptr>, ["c2", init, const] // CIR: cir.store %arg0, %[[C1_ADDR]] // CIR: cir.store %arg1, %[[C2_ADDR]] // CIR: %[[C2_LOAD:.*]] = cir.load{{.*}} %[[C2_ADDR]] // CIR: %[[C1_LOAD:.*]] = cir.load{{.*}} %[[C1_ADDR]] // CIR: %[[RET:.*]] = cir.call @_ZN1CaSERKS_(%[[C1_LOAD]], %[[C2_LOAD]]) struct D { D &operator=(const D&); }; struct E { D &get_d_ref() { return d; } private: D d; }; void copy_ref_to_ref(E &e1, E &e2) { e1.get_d_ref() = e2.get_d_ref(); } // The call to e2.get_d_ref() must occur before the call to e1.get_d_ref(). // CIR: cir.func{{.*}} @_Z15copy_ref_to_refR1ES0_(%arg0: !cir.ptr {{.*}}, %arg1: !cir.ptr {{.*}}) // CIR: %[[E1_ADDR:.*]] = cir.alloca !cir.ptr, !cir.ptr>, ["e1", init, const] // CIR: %[[E2_ADDR:.*]] = cir.alloca !cir.ptr, !cir.ptr>, ["e2", init, const] // CIR: cir.store %arg0, %[[E1_ADDR]] : !cir.ptr, !cir.ptr> // CIR: cir.store %arg1, %[[E2_ADDR]] : !cir.ptr, !cir.ptr> // CIR: %[[E2:.*]] = cir.load %[[E2_ADDR]] // CIR: %[[D2_REF:.*]] = cir.call @_ZN1E9get_d_refEv(%[[E2]]) // CIR: %[[E1:.*]] = cir.load %[[E1_ADDR]] // CIR: %[[D1_REF:.*]] = cir.call @_ZN1E9get_d_refEv(%[[E1]]) // CIR: %[[D1_REF_2:.*]] = cir.call @_ZN1DaSERKS_(%[[D1_REF]], %[[D2_REF]]) // CIR: cir.return // LLVM: define{{.*}} void @_Z15copy_ref_to_refR1ES0_(ptr %[[ARG0:.*]], ptr %[[ARG1:.*]]) { // LLVM: %[[E1_ADDR:.*]] = alloca ptr // LLVM: %[[E2_ADDR:.*]] = alloca ptr // LLVM: store ptr %[[ARG0]], ptr %[[E1_ADDR]] // LLVM: store ptr %[[ARG1]], ptr %[[E2_ADDR]] // LLVM: %[[E2:.*]] = load ptr, ptr %[[E2_ADDR]] // LLVM: %[[D2_REF:.*]] = call ptr @_ZN1E9get_d_refEv(ptr %[[E2]]) // LLVM: %[[E1:.*]] = load ptr, ptr %[[E1_ADDR]] // LLVM: %[[D1_REF:.*]] = call ptr @_ZN1E9get_d_refEv(ptr %[[E1]]) // LLVM: %[[D1_REF_2:.*]] = call ptr @_ZN1DaSERKS_(ptr %[[D1_REF]], ptr %[[D2_REF]]) // OGCG: define{{.*}} void @_Z15copy_ref_to_refR1ES0_(ptr{{.*}} %[[ARG0:.*]], ptr{{.*}} %[[ARG1:.*]]) // OGCG: %[[E1_ADDR:.*]] = alloca ptr // OGCG: %[[E2_ADDR:.*]] = alloca ptr // OGCG: store ptr %[[ARG0]], ptr %[[E1_ADDR]] // OGCG: store ptr %[[ARG1]], ptr %[[E2_ADDR]] // OGCG: %[[E2:.*]] = load ptr, ptr %[[E2_ADDR]] // OGCG: %[[D2_REF:.*]] = call{{.*}} ptr @_ZN1E9get_d_refEv(ptr{{.*}} %[[E2]]) // OGCG: %[[E1:.*]] = load ptr, ptr %[[E1_ADDR]] // OGCG: %[[D1_REF:.*]] = call{{.*}} ptr @_ZN1E9get_d_refEv(ptr{{.*}} %[[E1]]) // OGCG: %[[D1_REF_2:.*]] = call{{.*}} ptr @_ZN1DaSERKS_(ptr{{.*}} %[[D1_REF]], ptr{{.*}} %[[D2_REF]])