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1 // RUN: %clang_cc1 -std=c++11 -triple i386-linux -emit-llvm -o - %s | FileCheck %s --check-prefix=CHECK --check-prefix=ITANIUM
2 // RUN: %clang_cc1 -std=c++11 -triple x86_64-darwin -emit-llvm -o - %s | FileCheck %s --check-prefix=CHECK --check-prefix=ITANIUM
3 // RUN: %clang_cc1 -std=c++11 -triple arm64-ehabi -emit-llvm -o - %s | FileCheck %s --check-prefix=CHECK --check-prefix=ITANIUM
4 // RUN: %clang_cc1 -std=c++11 -triple i386-windows -emit-llvm -o - %s | FileCheck %s --check-prefix=CHECK --check-prefix=MSABI --check-prefix=WIN32
5 // RUN: %clang_cc1 -std=c++11 -triple x86_64-windows -emit-llvm -o - %s | FileCheck %s --check-prefix=CHECK --check-prefix=MSABI --check-prefix=WIN64
6 
7 // PR12219
8 struct A { A(int); virtual ~A(); };
9 struct B : A { using A::A; ~B(); };
~B()10 B::~B() {}
11 
12 B b(123);
13 
14 struct C { template<typename T> C(T); };
15 struct D : C { using C::C; };
16 D d(123);
17 
18 // ITANIUM-LABEL: define void @_ZN1BD2Ev
19 // ITANIUM-LABEL: define void @_ZN1BD1Ev
20 // ITANIUM-LABEL: define void @_ZN1BD0Ev
21 // WIN32-LABEL: define {{.*}}void @"\01??1B@@UAE@XZ"
22 // WIN64-LABEL: define {{.*}}void @"\01??1B@@UEAA@XZ"
23 
24 // ITANIUM-LABEL: define linkonce_odr void @_ZN1BCI11AEi(
25 // ITANIUM: call void @_ZN1BCI21AEi(
26 
27 // ITANIUM-LABEL: define linkonce_odr void @_ZN1DCI11CIiEET_(
28 // ITANIUM: call void @_ZN1DCI21CIiEET_(
29 
30 // WIN32-LABEL: define internal {{.*}} @"\01??0B@@QAE@H@Z"(
31 // WIN32: call {{.*}} @"\01??0A@@QAE@H@Z"(
32 // WIN64-LABEL: define internal {{.*}} @"\01??0B@@QEAA@H@Z"(
33 // WIN64: call {{.*}} @"\01??0A@@QEAA@H@Z"(
34 
35 // WIN32-LABEL: define internal {{.*}} @"\01??0D@@QAE@H@Z"(
36 // WIN32: call {{.*}} @"\01??$?0H@C@@QAE@H@Z"
37 // WIN64-LABEL: define internal {{.*}} @"\01??0D@@QEAA@H@Z"(
38 // WIN64: call {{.*}} @"\01??$?0H@C@@QEAA@H@Z"
39 
40 struct Q { Q(int); Q(const Q&); ~Q(); };
41 struct Z { Z(); Z(int); ~Z(); int n; };
42 
43 namespace noninline_nonvirt {
44   struct A { A(int, Q&&, void *__attribute__((pass_object_size(0)))); int n; };
45   struct B : Z, A { Z z; using A::A; };
46   B b(1, 2, &b);
47   // ITANIUM-LABEL: define {{.*}} @__cxx_global_var_init
48   // ITANIUM: call void @_ZN1QC1Ei({{.*}} %[[TMP:.*]], i32 2)
49   // ITANIUM: call void @_ZN17noninline_nonvirt1BCI1NS_1AEEiO1QPvU17pass_object_size0({{.*}} @_ZN17noninline_nonvirt1bE, i32 1, {{.*}} %[[TMP]], i8* {{.*}} @_ZN17noninline_nonvirt1bE{{.*}}, i{{32|64}} 12)
50   // ITANIUM: call void @_ZN1QD1Ev({{.*}} %[[TMP]])
51   // ITANIUM: call i32 @__cxa_atexit(
52 
53   // Complete object ctor for B delegates to base object ctor.
54   // ITANIUM-LABEL: define linkonce_odr void @_ZN17noninline_nonvirt1BCI1NS_1AEEiO1QPvU17pass_object_size0(
55   // ITANIUM: call void @_ZN17noninline_nonvirt1BCI2NS_1AEEiO1QPvU17pass_object_size0({{.*}}, i32 {{.*}}, %{{.*}}* {{.*}}, i8* {{.*}}, i{{32|64}} {{.*}})
56 
57   // In MSABI, we don't have ctor variants. B ctor forwards to A ctor.
58   // MSABI-LABEL: define internal {{.*}} @"\01??0B@noninline_nonvirt@@Q{{AE|EAA}}@H$$Q{{E?}}AUQ@@P{{E?}}AXW4__pass_object_size0@__clang@@@Z"(%{{.*}}, i32{{.*}}, %{{.*}}, i8*{{.*}}, i{{32|64}}{{.*}})
59   // MSABI: call {{.*}} @"\01??0Z@@Q{{AE|EAA}}@XZ"(
60   // MSABI: call {{.*}} @"\01??0A@noninline_nonvirt@@Q{{AE|EAA}}@H$$Q{{E?}}AUQ@@P{{E?}}AXW4__pass_object_size0@__clang@@@Z"(%{{.*}}, i32{{.*}}, %{{.*}}, i8*{{.*}}, i{{32|64}}{{.*}})
61   // MSABI: call {{.*}} @"\01??0Z@@Q{{AE|EAA}}@XZ"(
62 
63   struct C : B { using B::B; };
64   C c(1, 2, &c);
65   // Complete object ctor for C delegates.
66   // ITANIUM-LABEL: define linkonce_odr void @_ZN17noninline_nonvirt1CCI1NS_1AEEiO1QPvU17pass_object_size0(
67   // ITANIUM: call void @_ZN17noninline_nonvirt1CCI2NS_1AEEiO1QPvU17pass_object_size0({{.*}}, i32 {{.*}}, %{{.*}}* {{.*}}, i8* {{.*}}, i{{32|64}} {{.*}})
68 
69   // MSABI-LABEL: define internal {{.*}} @"\01??0C@noninline_nonvirt@@Q{{AE|EAA}}@H$$Q{{E?}}AUQ@@P{{E?}}AXW4__pass_object_size0@__clang@@@Z"(%{{.*}}, i32{{.*}}, %{{.*}}, i8*{{.*}}, i{{32|64}}{{.*}})
70   // MSABI: call {{.*}} @"\01??0B@noninline_nonvirt@@Q{{AE|EAA}}@H$$Q{{E?}}AUQ@@P{{E?}}AXW4__pass_object_size0@__clang@@@Z"(%{{.*}}, i32{{.*}}, %{{.*}}, i8*{{.*}}, i{{32|64}}{{.*}})
71 }
72 
73 namespace noninline_virt {
74   struct A { A(int, Q&&, void *__attribute__((pass_object_size(0)))); int n; };
75   struct B : Z, virtual A { Z z; using A::A; };
76   B b(1, 2, &b);
77   // Complete object ctor forwards to A ctor then constructs Zs.
78   // ITANIUM-LABEL: define linkonce_odr void @_ZN14noninline_virt1BCI1NS_1AEEiO1QPvU17pass_object_size0(
79   // ITANIUM: call void @_ZN14noninline_virt1AC2EiO1QPvU17pass_object_size0({{.*}} %{{.*}}, i32 %{{.*}}, %{{.*}}* {{.*}}, i8* {{.*}}, i{{32|64}} %{{.*}}
80   // ITANIUM: call void @_ZN1ZC2Ev(
81   // ITANIUM: store {{.*}} @_ZTVN14noninline_virt1BE
82   // ITANIUM: call void @_ZN1ZC1Ev(
83 
84   // MSABI-LABEL: define internal {{.*}} @"\01??0B@noninline_virt@@Q{{AE|EAA}}@H$$Q{{E?}}AUQ@@P{{E?}}AXW4__pass_object_size0@__clang@@@Z"(%{{.*}}, i32{{.*}}, %{{.*}}, i8*{{.*}}, i{{32|64}}{{.*}}, i32 %{{.*}})
85   // MSABI: %[[COMPLETE:.*]] = icmp ne
86   // MSABI: br i1 %[[COMPLETE]],
87   // MSABI: call {{.*}} @"\01??0A@noninline_virt@@Q{{AE|EAA}}@H$$Q{{E?}}AUQ@@P{{E?}}AXW4__pass_object_size0@__clang@@@Z"(%{{.*}}, i32{{.*}}, %{{.*}}, i8*{{.*}}, i{{32|64}}{{.*}})
88   // MSABI: br
89   // MSABI: call {{.*}} @"\01??0Z@@Q{{AE|EAA}}@XZ"(
90   // MSABI: call {{.*}} @"\01??0Z@@Q{{AE|EAA}}@XZ"(
91 
92   struct C : B { using B::B; };
93   C c(1, 2, &c);
94   // Complete object ctor forwards to A ctor, then calls B's base inheriting
95   // constructor, which takes no arguments other than the this pointer and VTT.
96   // ITANIUM_LABEL: define linkonce_odr void @_ZN14noninline_virt1CCI1NS_1AEEiO1QPvU17pass_object_size0(
97   // ITANIUM: call void @_ZN14noninline_virt1AC2EiO1QPvU17pass_object_size0({{.*}} %{{.*}}, i32 %{{.*}}, %{{.*}}* {{.*}}, i8* %{{.*}}, i{{32|64}} %{{.*}})
98   // ITANIUM: call void @_ZN14noninline_virt1BCI2NS_1AEEiO1QPvU17pass_object_size0(%{{.*}}* %{{.*}}, i8** getelementptr inbounds ([2 x i8*], [2 x i8*]* @_ZTTN14noninline_virt1CE, i64 0, i64 1))
99   // ITANIUM: store {{.*}} @_ZTVN14noninline_virt1CE
100 
101   // C constructor forwards to B constructor and A constructor. We pass the args
102   // to both. FIXME: Can we pass undef here instead, for the base object
103   // constructor call?
104   // MSABI-LABEL: define internal {{.*}} @"\01??0C@noninline_virt@@Q{{AE|EAA}}@H$$Q{{E?}}AUQ@@P{{E?}}AXW4__pass_object_size0@__clang@@@Z"(%{{.*}}, i32{{.*}}, %{{.*}}, i8*{{.*}}, i{{32|64}}{{.*}}, i32 %{{.*}})
105   // MSABI: %[[COMPLETE:.*]] = icmp ne
106   // MSABI: br i1 %[[COMPLETE]],
107   // MSABI: call {{.*}} @"\01??0A@noninline_virt@@Q{{AE|EAA}}@H$$Q{{E?}}AUQ@@P{{E?}}AXW4__pass_object_size0@__clang@@@Z"(%{{.*}}, i32{{.*}}, %{{.*}}, i8*{{.*}}, i{{32|64}}{{.*}})
108   // MSABI: br
109   // MSABI: call {{.*}} @"\01??0B@noninline_virt@@Q{{AE|EAA}}@H$$Q{{E?}}AUQ@@P{{E?}}AXW4__pass_object_size0@__clang@@@Z"(%{{.*}}, i32{{.*}}, %{{.*}}, i8*{{.*}}, i{{32|64}}{{.*}}, i32 0)
110 }
111 
112 // For MSABI only, check that inalloca arguments result in inlining.
113 namespace inalloca_nonvirt {
114   struct A { A(Q, int, Q, Q&&); int n; };
115   struct B : Z, A { Z z; using A::A; };
116   B b(1, 2, 3, 4);
117   // No inlining implied for Itanium.
118   // ITANIUM-LABEL: define linkonce_odr void @_ZN16inalloca_nonvirt1BCI1NS_1AEE1QiS1_OS1_(
119   // ITANIUM: call void @_ZN16inalloca_nonvirt1BCI2NS_1AEE1QiS1_OS1_(
120 
121   // MSABI-LABEL: define internal void @"\01??__Eb@inalloca_nonvirt@@YAXXZ"(
122 
123   // On Win32, the inalloca call can't be forwarded so we force inlining.
124   // WIN32: %[[TMP:.*]] = alloca
125   // WIN32: call i8* @llvm.stacksave()
126   // WIN32: %[[ARGMEM:.*]] = alloca inalloca
127   // WIN32: call {{.*}} @"\01??0Q@@QAE@H@Z"(%{{.*}}* %[[TMP]], i32 4)
128   // WIN32: %[[ARG3:.*]] = getelementptr {{.*}} %[[ARGMEM]]
129   // WIN32: call {{.*}} @"\01??0Q@@QAE@H@Z"({{.*}}* %[[ARG3]], i32 3)
130   // WIN32: %[[ARG1:.*]] = getelementptr {{.*}} %[[ARGMEM]]
131   // WIN32: call {{.*}} @"\01??0Q@@QAE@H@Z"({{.*}}* %[[ARG1]], i32 1)
132   // WIN32: call {{.*}} @"\01??0Z@@QAE@XZ"(
133   // WIN32: %[[ARG2:.*]] = getelementptr {{.*}} %[[ARGMEM]]
134   // WIN32: store i32 2, i32* %[[ARG2]]
135   // WIN32: %[[ARG4:.*]] = getelementptr {{.*}} %[[ARGMEM]]
136   // WIN32: store {{.*}}* %[[TMP]], {{.*}}** %[[ARG4]]
137   // WIN32: call {{.*}} @"\01??0A@inalloca_nonvirt@@QAE@UQ@@H0$$QAU2@@Z"(%{{[^,]*}}, <{{.*}}>* inalloca %[[ARGMEM]])
138   // WIN32: call void @llvm.stackrestore(
139   // WIN32: call {{.*}} @"\01??0Z@@QAE@XZ"(
140   // WIN32: call {{.*}} @"\01??_DQ@@QAE@XZ"(
141 
142   // On Win64, the Q arguments would be destroyed in the callee. We don't yet
143   // support that in the non-inlined case, so we force inlining.
144   // WIN64: %[[TMP:.*]] = alloca
145   // WIN64: %[[ARG3:.*]] = alloca
146   // WIN64: %[[ARG1:.*]] = alloca
147   // WIN64: call {{.*}} @"\01??0Q@@QEAA@H@Z"({{.*}}* %[[TMP]], i32 4)
148   // WIN64: call {{.*}} @"\01??0Q@@QEAA@H@Z"({{.*}}* %[[ARG3]], i32 3)
149   // WIN64: call {{.*}} @"\01??0Q@@QEAA@H@Z"({{.*}}* %[[ARG1]], i32 1)
150   // WIN64: call {{.*}} @"\01??0Z@@QEAA@XZ"(
151   // WIN64: call {{.*}} @"\01??0A@inalloca_nonvirt@@QEAA@UQ@@H0$$QEAU2@@Z"(%{{.*}}, %{{.*}}* %[[ARG1]], i32 2, %{{.*}}* %[[ARG3]], %{{.*}} %[[TMP]])
152   // WIN64: call {{.*}} @"\01??0Z@@QEAA@XZ"(
153   // WIN64: call void @"\01??_DQ@@QEAA@XZ"({{.*}}* %[[TMP]])
154 
155   struct C : B { using B::B; };
156   C c(1, 2, 3, 4);
157   // MSABI-LABEL: define internal void @"\01??__Ec@inalloca_nonvirt@@YAXXZ"(
158 
159   // On Win32, the inalloca call can't be forwarded so we force inlining.
160   // WIN32: %[[TMP:.*]] = alloca
161   // WIN32: call i8* @llvm.stacksave()
162   // WIN32: %[[ARGMEM:.*]] = alloca inalloca
163   // WIN32: call {{.*}} @"\01??0Q@@QAE@H@Z"(%{{.*}}* %[[TMP]], i32 4)
164   // WIN32: %[[ARG3:.*]] = getelementptr {{.*}} %[[ARGMEM]]
165   // WIN32: call {{.*}} @"\01??0Q@@QAE@H@Z"({{.*}}* %[[ARG3]], i32 3)
166   // WIN32: %[[ARG1:.*]] = getelementptr {{.*}} %[[ARGMEM]]
167   // WIN32: call {{.*}} @"\01??0Q@@QAE@H@Z"({{.*}}* %[[ARG1]], i32 1)
168   // WIN32: call {{.*}} @"\01??0Z@@QAE@XZ"(
169   // WIN32: %[[ARG2:.*]] = getelementptr {{.*}} %[[ARGMEM]]
170   // WIN32: store i32 2, i32* %[[ARG2]]
171   // WIN32: %[[ARG4:.*]] = getelementptr {{.*}} %[[ARGMEM]]
172   // WIN32: store {{.*}}* %[[TMP]], {{.*}}** %[[ARG4]]
173   // WIN32: call {{.*}} @"\01??0A@inalloca_nonvirt@@QAE@UQ@@H0$$QAU2@@Z"(%{{[^,]*}}, <{{.*}}>* inalloca %[[ARGMEM]])
174   // WIN32: call void @llvm.stackrestore(
175   // WIN32: call {{.*}} @"\01??0Z@@QAE@XZ"(
176   // WIN32: call {{.*}} @"\01??_DQ@@QAE@XZ"(
177 
178   // On Win64, the Q arguments would be destroyed in the callee. We don't yet
179   // support that in the non-inlined case, so we force inlining.
180   // WIN64: %[[TMP:.*]] = alloca
181   // WIN64: %[[ARG3:.*]] = alloca
182   // WIN64: %[[ARG1:.*]] = alloca
183   // WIN64: call {{.*}} @"\01??0Q@@QEAA@H@Z"({{.*}}* %[[TMP]], i32 4)
184   // WIN64: call {{.*}} @"\01??0Q@@QEAA@H@Z"({{.*}}* %[[ARG3]], i32 3)
185   // WIN64: call {{.*}} @"\01??0Q@@QEAA@H@Z"({{.*}}* %[[ARG1]], i32 1)
186   // WIN64: call {{.*}} @"\01??0Z@@QEAA@XZ"(
187   // WIN64: call {{.*}} @"\01??0A@inalloca_nonvirt@@QEAA@UQ@@H0$$QEAU2@@Z"(%{{.*}}, %{{.*}}* %[[ARG1]], i32 2, %{{.*}}* %[[ARG3]], %{{.*}} %[[TMP]])
188   // WIN64: call {{.*}} @"\01??0Z@@QEAA@XZ"(
189   // WIN64: call void @"\01??_DQ@@QEAA@XZ"({{.*}}* %[[TMP]])
190 }
191 
192 namespace inalloca_virt {
193   struct A { A(Q, int, Q, Q&&); int n; };
194   struct B : Z, virtual A { Z z; using A::A; };
195   B b(1, 2, 3, 4);
196 
197   // MSABI-LABEL: define internal void @"\01??__Eb@inalloca_virt@@YAXXZ"(
198 
199   // On Win32, the inalloca call can't be forwarded so we force inlining.
200   // WIN32: %[[TMP:.*]] = alloca
201   // WIN32: call i8* @llvm.stacksave()
202   // WIN32: %[[ARGMEM:.*]] = alloca inalloca
203   // WIN32: call {{.*}} @"\01??0Q@@QAE@H@Z"(%{{.*}}* %[[TMP]], i32 4)
204   // WIN32: %[[ARG3:.*]] = getelementptr {{.*}} %[[ARGMEM]]
205   // WIN32: call {{.*}} @"\01??0Q@@QAE@H@Z"({{.*}}* %[[ARG3]], i32 3)
206   // WIN32: %[[ARG1:.*]] = getelementptr {{.*}} %[[ARGMEM]]
207   // WIN32: call {{.*}} @"\01??0Q@@QAE@H@Z"({{.*}}* %[[ARG1]], i32 1)
208   // FIXME: It's dumb to round-trip this though memory and generate a branch.
209   // WIN32: store i32 1, i32* %[[IS_MOST_DERIVED_ADDR:.*]]
210   // WIN32: %[[IS_MOST_DERIVED:.*]] = load i32, i32* %[[IS_MOST_DERIVED_ADDR]]
211   // WIN32: %[[IS_MOST_DERIVED_i1:.*]] = icmp ne i32 %[[IS_MOST_DERIVED]], 0
212   // WIN32: br i1 %[[IS_MOST_DERIVED_i1]]
213   //
214   // WIN32: store {{.*}} @"\01??_8B@inalloca_virt@@7B@"
215   // WIN32: %[[ARG2:.*]] = getelementptr {{.*}} %[[ARGMEM]]
216   // WIN32: store i32 2, i32* %[[ARG2]]
217   // WIN32: %[[ARG4:.*]] = getelementptr {{.*}} %[[ARGMEM]]
218   // WIN32: store {{.*}}* %[[TMP]], {{.*}}** %[[ARG4]]
219   // WIN32: call {{.*}} @"\01??0A@inalloca_virt@@QAE@UQ@@H0$$QAU2@@Z"(%{{[^,]*}}, <{{.*}}>* inalloca %[[ARGMEM]])
220   // WIN32: call void @llvm.stackrestore(
221   // WIN32: br
222   //
223   // Note that if we jumped directly to here we would fail to stackrestore and
224   // destroy the parameters, but that's not actually possible.
225   // WIN32: call {{.*}} @"\01??0Z@@QAE@XZ"(
226   // WIN32: call {{.*}} @"\01??0Z@@QAE@XZ"(
227   // WIN32: call {{.*}} @"\01??_DQ@@QAE@XZ"(
228 
229   // On Win64, the Q arguments would be destroyed in the callee. We don't yet
230   // support that in the non-inlined case, so we force inlining.
231   // WIN64: %[[TMP:.*]] = alloca
232   // WIN64: %[[ARG3:.*]] = alloca
233   // WIN64: %[[ARG1:.*]] = alloca
234   // WIN64: call {{.*}} @"\01??0Q@@QEAA@H@Z"({{.*}}* %[[TMP]], i32 4)
235   // WIN64: call {{.*}} @"\01??0Q@@QEAA@H@Z"({{.*}}* %[[ARG3]], i32 3)
236   // WIN64: call {{.*}} @"\01??0Q@@QEAA@H@Z"({{.*}}* %[[ARG1]], i32 1)
237   // WIN64: br i1
238   // WIN64: call {{.*}} @"\01??0A@inalloca_virt@@QEAA@UQ@@H0$$QEAU2@@Z"(%{{.*}}, %{{.*}}* %[[ARG1]], i32 2, %{{.*}}* %[[ARG3]], %{{.*}} %[[TMP]])
239   // WIN64: br
240   // WIN64: call {{.*}} @"\01??0Z@@QEAA@XZ"(
241   // WIN64: call {{.*}} @"\01??0Z@@QEAA@XZ"(
242   // WIN64: call void @"\01??_DQ@@QEAA@XZ"({{.*}}* %[[TMP]])
243 
244   struct C : B { using B::B; };
245   C c(1, 2, 3, 4);
246   // ITANIUM-LABEL: define linkonce_odr void @_ZN13inalloca_virt1CD1Ev(
247 
248   // MSABI-LABEL: define internal void @"\01??__Ec@inalloca_virt@@YAXXZ"(
249 
250   // On Win32, the inalloca call can't be forwarded so we force inlining.
251   // WIN32: %[[TMP:.*]] = alloca
252   // WIN32: call i8* @llvm.stacksave()
253   // WIN32: %[[ARGMEM:.*]] = alloca inalloca
254   // WIN32: call {{.*}} @"\01??0Q@@QAE@H@Z"(%{{.*}}* %[[TMP]], i32 4)
255   // WIN32: %[[ARG3:.*]] = getelementptr {{.*}} %[[ARGMEM]]
256   // WIN32: call {{.*}} @"\01??0Q@@QAE@H@Z"({{.*}}* %[[ARG3]], i32 3)
257   // WIN32: %[[ARG1:.*]] = getelementptr {{.*}} %[[ARGMEM]]
258   // WIN32: call {{.*}} @"\01??0Q@@QAE@H@Z"({{.*}}* %[[ARG1]], i32 1)
259   // WIN32: store i32 1, i32* %[[IS_MOST_DERIVED_ADDR:.*]]
260   // WIN32: %[[IS_MOST_DERIVED:.*]] = load i32, i32* %[[IS_MOST_DERIVED_ADDR]]
261   // WIN32: %[[IS_MOST_DERIVED_i1:.*]] = icmp ne i32 %[[IS_MOST_DERIVED]], 0
262   // WIN32: br i1 %[[IS_MOST_DERIVED_i1]]
263   //
264   // WIN32: store {{.*}} @"\01??_8C@inalloca_virt@@7B@"
265   // WIN32: %[[ARG2:.*]] = getelementptr {{.*}} %[[ARGMEM]]
266   // WIN32: store i32 2, i32* %[[ARG2]]
267   // WIN32: %[[ARG4:.*]] = getelementptr {{.*}} %[[ARGMEM]]
268   // WIN32: store {{.*}}* %[[TMP]], {{.*}}** %[[ARG4]]
269   // WIN32: call {{.*}} @"\01??0A@inalloca_virt@@QAE@UQ@@H0$$QAU2@@Z"(%{{[^,]*}}, <{{.*}}>* inalloca %[[ARGMEM]])
270   // WIN32: call void @llvm.stackrestore(
271   // WIN32: br
272   //
273   // WIN32: store i32 0, i32* %[[IS_MOST_DERIVED_ADDR:.*]]
274   // WIN32: %[[IS_MOST_DERIVED:.*]] = load i32, i32* %[[IS_MOST_DERIVED_ADDR]]
275   // WIN32: %[[IS_MOST_DERIVED_i1:.*]] = icmp ne i32 %[[IS_MOST_DERIVED]], 0
276   // WIN32: br i1 %[[IS_MOST_DERIVED_i1]]
277   //
278   // Note: this block is unreachable.
279   // WIN32: store {{.*}} @"\01??_8B@inalloca_virt@@7B@"
280   // WIN32: br
281   //
282   // WIN32: call {{.*}} @"\01??0Z@@QAE@XZ"(
283   // WIN32: call {{.*}} @"\01??0Z@@QAE@XZ"(
284   // WIN32: call {{.*}} @"\01??_DQ@@QAE@XZ"(
285 
286   // On Win64, the Q arguments would be destroyed in the callee. We don't yet
287   // support that in the non-inlined case, so we force inlining.
288   // WIN64: %[[TMP:.*]] = alloca
289   // WIN64: %[[ARG3:.*]] = alloca
290   // WIN64: %[[ARG1:.*]] = alloca
291   // WIN64: call {{.*}} @"\01??0Q@@QEAA@H@Z"({{.*}}* %[[TMP]], i32 4)
292   // WIN64: call {{.*}} @"\01??0Q@@QEAA@H@Z"({{.*}}* %[[ARG3]], i32 3)
293   // WIN64: call {{.*}} @"\01??0Q@@QEAA@H@Z"({{.*}}* %[[ARG1]], i32 1)
294   // WIN64: br i1
295   // WIN64: store {{.*}} @"\01??_8C@inalloca_virt@@7B@"
296   // WIN64: call {{.*}} @"\01??0A@inalloca_virt@@QEAA@UQ@@H0$$QEAU2@@Z"(%{{.*}}, %{{.*}}* %[[ARG1]], i32 2, %{{.*}}* %[[ARG3]], %{{.*}} %[[TMP]])
297   // WIN64: br
298   // WIN64: br i1
299   // (Unreachable block)
300   // WIN64: store {{.*}} @"\01??_8B@inalloca_virt@@7B@"
301   // WIN64: br
302   // WIN64: call {{.*}} @"\01??0Z@@QEAA@XZ"(
303   // WIN64: call {{.*}} @"\01??0Z@@QEAA@XZ"(
304   // WIN64: call void @"\01??_DQ@@QEAA@XZ"({{.*}}* %[[TMP]])
305 }
306 
307 namespace inline_nonvirt {
308   struct A { A(Q, int, Q, Q&&, ...); int n; };
309   struct B : Z, A { Z z; using A::A; };
310   B b(1, 2, 3, 4, 5, 6);
311   // Inlined all the way down to the A ctor.
312   // ITANIUM-LABEL: define {{.*}} @__cxx_global_var_init
313   // ITANIUM: call void @_ZN1QC1Ei({{.*}}, i32 1)
314   // ITANIUM: call void @_ZN1QC1Ei({{.*}}, i32 3)
315   // ITANIUM: call void @_ZN1QC1Ei({{.*}}, i32 4)
316   // ITANIUM: %[[Z_BASE:.*]] = bitcast %{{.*}}* %[[THIS:.*]] to
317   // ITANIUM: call void @_ZN1ZC2Ev(
318   // ITANIUM: %[[B_CAST:.*]] = bitcast {{.*}} %[[THIS]]
319   // ITANIUM: %[[A_CAST:.*]] = getelementptr {{.*}} %[[B_CAST]], i{{32|64}} 4
320   // ITANIUM: %[[A:.*]] = bitcast {{.*}} %[[A_CAST]]
321   // ITANIUM: call void ({{.*}}, ...) @_ZN14inline_nonvirt1AC2E1QiS1_OS1_z(%{{.*}}* %[[A]], {{.*}}, i32 2, {{.*}}, {{.*}}, i32 5, i32 6)
322   // ITANIUM: %[[Z_MEMBER:.*]] = getelementptr {{.*}} %[[THIS]], i32 0, i32 2
323   // ITANIUM: call void @_ZN1ZC1Ev({{.*}} %[[Z_MEMBER]])
324   // ITANIUM: call void @_ZN1QD1Ev(
325   // ITANIUM: call void @_ZN1QD1Ev(
326   // ITANIUM: call void @_ZN1QD1Ev(
327 
328   struct C : B { using B::B; };
329   C c(1, 2, 3, 4, 5, 6);
330   // Inlined all the way down to the A ctor.
331   // ITANIUM-LABEL: define {{.*}} @__cxx_global_var_init
332   // ITANIUM: call void @_ZN1QC1Ei({{.*}}, i32 1)
333   // ITANIUM: call void @_ZN1QC1Ei({{.*}}, i32 3)
334   // ITANIUM: call void @_ZN1QC1Ei({{.*}}, i32 4)
335   // ITANIUM: %[[Z_BASE:.*]] = bitcast %{{.*}}* %[[THIS:.*]] to
336   // ITANIUM: call void @_ZN1ZC2Ev(
337   // ITANIUM: %[[B_CAST:.*]] = bitcast {{.*}} %[[THIS]]
338   // ITANIUM: %[[A_CAST:.*]] = getelementptr {{.*}} %[[B_CAST]], i{{32|64}} 4
339   // ITANIUM: %[[A:.*]] = bitcast {{.*}} %[[A_CAST]]
340   // ITANIUM: call void ({{.*}}, ...) @_ZN14inline_nonvirt1AC2E1QiS1_OS1_z(%{{.*}}* %[[A]], {{.*}}, i32 2, {{.*}}, {{.*}}, i32 5, i32 6)
341   // ITANIUM: %[[Z_MEMBER:.*]] = getelementptr {{.*}} %{{.*}}, i32 0, i32 2
342   // ITANIUM: call void @_ZN1ZC1Ev({{.*}} %[[Z_MEMBER]])
343   // ITANIUM: call void @_ZN1QD1Ev(
344   // ITANIUM: call void @_ZN1QD1Ev(
345   // ITANIUM: call void @_ZN1QD1Ev(
346 }
347 
348 namespace inline_virt {
349   struct A { A(Q, int, Q, Q&&, ...); int n; };
350   struct B : Z, virtual A { Z z; using A::A; };
351   B b(1, 2, 3, 4, 5, 6);
352   // Inlined all the way down to the A ctor.
353   // ITANIUM-LABEL: define {{.*}} @__cxx_global_var_init
354   // ITANIUM: call void @_ZN1QC1Ei({{.*}}, i32 1)
355   // ITANIUM: call void @_ZN1QC1Ei({{.*}}, i32 3)
356   // ITANIUM: call void @_ZN1QC1Ei({{.*}}, i32 4)
357   // ITANIUM: %[[B_CAST:.*]] = bitcast {{.*}} %[[THIS:.*]]
358   // ITANIUM: %[[A_CAST:.*]] = getelementptr {{.*}} %[[B_CAST]], i{{32|64}} {{12|16}}
359   // ITANIUM: %[[A:.*]] = bitcast {{.*}} %[[A_CAST]]
360   // ITANIUM: call void ({{.*}}, ...) @_ZN11inline_virt1AC2E1QiS1_OS1_z(%{{.*}}* %[[A]], {{.*}}, i32 2, {{.*}}, {{.*}}, i32 5, i32 6)
361   // ITANIUM: call void @_ZN1ZC2Ev(
362   // ITANIUM: call void @_ZN1ZC1Ev(
363   // ITANIUM: call void @_ZN1QD1Ev(
364   // ITANIUM: call void @_ZN1QD1Ev(
365   // ITANIUM: call void @_ZN1QD1Ev(
366 
367   struct C : B { using B::B; };
368   C c(1, 2, 3, 4, 5, 6);
369   // Inlined all the way down to the A ctor, except that we can just call the
370   // B base inheriting constructor to construct that portion (it doesn't need
371   // the forwarded arguments).
372   // ITANIUM-LABEL: define {{.*}} @__cxx_global_var_init
373   // ITANIUM: call void @_ZN1QC1Ei({{.*}}, i32 1)
374   // ITANIUM: call void @_ZN1QC1Ei({{.*}}, i32 3)
375   // ITANIUM: call void @_ZN1QC1Ei({{.*}}, i32 4)
376   // ITANIUM: %[[B_CAST:.*]] = bitcast {{.*}} %[[THIS:.*]]
377   // ITANIUM: %[[A_CAST:.*]] = getelementptr {{.*}} %[[B_CAST]], i{{32|64}} {{12|16}}
378   // ITANIUM: %[[A:.*]] = bitcast {{.*}} %[[A_CAST]]
379   // ITANIUM: call void ({{.*}}, ...) @_ZN11inline_virt1AC2E1QiS1_OS1_z(%{{.*}}* %[[A]], {{.*}}, i32 2, {{.*}}, {{.*}}, i32 5, i32 6)
380   // ITANIUM: call void @_ZN11inline_virt1BCI2NS_1AEE1QiS1_OS1_z({{[^,]*}}, i8** getelementptr inbounds ([2 x i8*], [2 x i8*]* @_ZTTN11inline_virt1CE, i64 0, i64 1))
381   // ITANIUM: store {{.*}} @_ZTVN11inline_virt1CE
382   // ITANIUM: call void @_ZN1QD1Ev(
383   // ITANIUM: call void @_ZN1QD1Ev(
384   // ITANIUM: call void @_ZN1QD1Ev(
385 
386   // B base object inheriting constructor does not get passed arguments.
387   // ITANIUM-LABEL: define linkonce_odr void @_ZN11inline_virt1BCI2NS_1AEE1QiS1_OS1_z(
388   // ITANIUM-NOT: call
389   // ITANIUM: call void @_ZN1ZC2Ev(
390   // ITANIUM-NOT: call
391   // VTT -> vtable
392   // ITANIUM: store
393   // ITANIUM-NOT: call
394   // ITANIUM: call void @_ZN1ZC1Ev(
395   // ITANIUM-NOT: call
396   // ITANIUM: }
397 }
398 
399 // ITANIUM-LABEL: define linkonce_odr void @_ZN1BCI21AEi(
400 // ITANIUM: call void @_ZN1AC2Ei(
401 
402 // ITANIUM-LABEL: define linkonce_odr void @_ZN1DCI21CIiEET_(
403 // ITANIUM: call void @_ZN1CC2IiEET_(
404 
405 // ITANIUM-LABEL: define linkonce_odr void @_ZN17noninline_nonvirt1BCI2NS_1AEEiO1QPvU17pass_object_size0(
406 // ITANIUM: call void @_ZN1ZC2Ev(
407 // ITANIUM: call void @_ZN17noninline_nonvirt1AC2EiO1QPvU17pass_object_size0(
408 
409 // ITANIUM-LABEL: define linkonce_odr void @_ZN17noninline_nonvirt1CCI2NS_1AEEiO1QPvU17pass_object_size0(
410 // ITANIUM: call void @_ZN17noninline_nonvirt1BCI2NS_1AEEiO1QPvU17pass_object_size0(
411