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comparison clang/test/CodeGenCXX/microsoft-abi-sret-and-byval.cpp @ 173:0572611fdcc8 llvm10 llvm12

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reorgnization done
author Shinji KONO <kono@ie.u-ryukyu.ac.jp>
date Mon, 25 May 2020 11:55:54 +0900
parents 1d019706d866
children 2e18cbf3894f
comparison
equal deleted inserted replaced
172:9fbae9c8bf63 173:0572611fdcc8
82 take_bools_and_chars('A', 'B', SmallWithDtor(), 'D', true, 13, false); 82 take_bools_and_chars('A', 'B', SmallWithDtor(), 'D', true, 13, false);
83 } 83 }
84 84
85 // Returning structs that fit into a register. 85 // Returning structs that fit into a register.
86 Small small_return() { return Small(); } 86 Small small_return() { return Small(); }
87 // LINUX-LABEL: define void @_Z12small_returnv(%struct.Small* noalias sret %agg.result) 87 // LINUX-LABEL: define void @_Z12small_returnv(%struct.Small* noalias sret align 4 %agg.result)
88 // WIN32: define dso_local i32 @"?small_return@@YA?AUSmall@@XZ"() 88 // WIN32: define dso_local i32 @"?small_return@@YA?AUSmall@@XZ"()
89 // WIN64: define dso_local i32 @"?small_return@@YA?AUSmall@@XZ"() 89 // WIN64: define dso_local i32 @"?small_return@@YA?AUSmall@@XZ"()
90 90
91 Medium medium_return() { return Medium(); } 91 Medium medium_return() { return Medium(); }
92 // LINUX-LABEL: define void @_Z13medium_returnv(%struct.Medium* noalias sret %agg.result) 92 // LINUX-LABEL: define void @_Z13medium_returnv(%struct.Medium* noalias sret align 4 %agg.result)
93 // WIN32: define dso_local i64 @"?medium_return@@YA?AUMedium@@XZ"() 93 // WIN32: define dso_local i64 @"?medium_return@@YA?AUMedium@@XZ"()
94 // WIN64: define dso_local i64 @"?medium_return@@YA?AUMedium@@XZ"() 94 // WIN64: define dso_local i64 @"?medium_return@@YA?AUMedium@@XZ"()
95 95
96 // Returning structs that fit into a register but are not POD. 96 // Returning structs that fit into a register but are not POD.
97 SmallCpp11NotCpp03Pod small_non_pod_return() { return SmallCpp11NotCpp03Pod(); } 97 SmallCpp11NotCpp03Pod small_non_pod_return() { return SmallCpp11NotCpp03Pod(); }
98 // LINUX-LABEL: define void @_Z20small_non_pod_returnv(%struct.SmallCpp11NotCpp03Pod* noalias sret %agg.result) 98 // LINUX-LABEL: define void @_Z20small_non_pod_returnv(%struct.SmallCpp11NotCpp03Pod* noalias sret align 4 %agg.result)
99 // WIN32: define dso_local void @"?small_non_pod_return@@YA?AUSmallCpp11NotCpp03Pod@@XZ"(%struct.SmallCpp11NotCpp03Pod* noalias sret %agg.result) 99 // WIN32: define dso_local void @"?small_non_pod_return@@YA?AUSmallCpp11NotCpp03Pod@@XZ"(%struct.SmallCpp11NotCpp03Pod* noalias sret align 4 %agg.result)
100 // WIN64: define dso_local void @"?small_non_pod_return@@YA?AUSmallCpp11NotCpp03Pod@@XZ"(%struct.SmallCpp11NotCpp03Pod* noalias sret %agg.result) 100 // WIN64: define dso_local void @"?small_non_pod_return@@YA?AUSmallCpp11NotCpp03Pod@@XZ"(%struct.SmallCpp11NotCpp03Pod* noalias sret align 4 %agg.result)
101 101
102 SmallWithCtor small_with_ctor_return() { return SmallWithCtor(); } 102 SmallWithCtor small_with_ctor_return() { return SmallWithCtor(); }
103 // LINUX-LABEL: define void @_Z22small_with_ctor_returnv(%struct.SmallWithCtor* noalias sret %agg.result) 103 // LINUX-LABEL: define void @_Z22small_with_ctor_returnv(%struct.SmallWithCtor* noalias sret align 4 %agg.result)
104 // WIN32: define dso_local void @"?small_with_ctor_return@@YA?AUSmallWithCtor@@XZ"(%struct.SmallWithCtor* noalias sret %agg.result) 104 // WIN32: define dso_local void @"?small_with_ctor_return@@YA?AUSmallWithCtor@@XZ"(%struct.SmallWithCtor* noalias sret align 4 %agg.result)
105 // WIN64: define dso_local void @"?small_with_ctor_return@@YA?AUSmallWithCtor@@XZ"(%struct.SmallWithCtor* noalias sret %agg.result) 105 // WIN64: define dso_local void @"?small_with_ctor_return@@YA?AUSmallWithCtor@@XZ"(%struct.SmallWithCtor* noalias sret align 4 %agg.result)
106 // FIXME: The 'sret' mark here doesn't seem to be enough to convince LLVM to 106 // FIXME: The 'sret' mark here doesn't seem to be enough to convince LLVM to
107 // preserve the hidden sret pointer in R0 across the function. 107 // preserve the hidden sret pointer in R0 across the function.
108 // WOA: define dso_local arm_aapcs_vfpcc void @"?small_with_ctor_return@@YA?AUSmallWithCtor@@XZ"(%struct.SmallWithCtor* noalias sret %agg.result) 108 // WOA: define dso_local arm_aapcs_vfpcc void @"?small_with_ctor_return@@YA?AUSmallWithCtor@@XZ"(%struct.SmallWithCtor* noalias sret align 4 %agg.result)
109 109
110 SmallWithVftable small_with_vftable_return() { return SmallWithVftable(); } 110 SmallWithVftable small_with_vftable_return() { return SmallWithVftable(); }
111 // LINUX-LABEL: define void @_Z25small_with_vftable_returnv(%struct.SmallWithVftable* noalias sret %agg.result) 111 // LINUX-LABEL: define void @_Z25small_with_vftable_returnv(%struct.SmallWithVftable* noalias sret align 4 %agg.result)
112 // WIN32: define dso_local void @"?small_with_vftable_return@@YA?AUSmallWithVftable@@XZ"(%struct.SmallWithVftable* noalias sret %agg.result) 112 // WIN32: define dso_local void @"?small_with_vftable_return@@YA?AUSmallWithVftable@@XZ"(%struct.SmallWithVftable* noalias sret align 4 %agg.result)
113 // WIN64: define dso_local void @"?small_with_vftable_return@@YA?AUSmallWithVftable@@XZ"(%struct.SmallWithVftable* noalias sret %agg.result) 113 // WIN64: define dso_local void @"?small_with_vftable_return@@YA?AUSmallWithVftable@@XZ"(%struct.SmallWithVftable* noalias sret align 8 %agg.result)
114 114
115 MediumWithCopyCtor medium_with_copy_ctor_return() { return MediumWithCopyCtor(); } 115 MediumWithCopyCtor medium_with_copy_ctor_return() { return MediumWithCopyCtor(); }
116 // LINUX-LABEL: define void @_Z28medium_with_copy_ctor_returnv(%struct.MediumWithCopyCtor* noalias sret %agg.result) 116 // LINUX-LABEL: define void @_Z28medium_with_copy_ctor_returnv(%struct.MediumWithCopyCtor* noalias sret align 4 %agg.result)
117 // WIN32: define dso_local void @"?medium_with_copy_ctor_return@@YA?AUMediumWithCopyCtor@@XZ"(%struct.MediumWithCopyCtor* noalias sret %agg.result) 117 // WIN32: define dso_local void @"?medium_with_copy_ctor_return@@YA?AUMediumWithCopyCtor@@XZ"(%struct.MediumWithCopyCtor* noalias sret align 4 %agg.result)
118 // WIN64: define dso_local void @"?medium_with_copy_ctor_return@@YA?AUMediumWithCopyCtor@@XZ"(%struct.MediumWithCopyCtor* noalias sret %agg.result) 118 // WIN64: define dso_local void @"?medium_with_copy_ctor_return@@YA?AUMediumWithCopyCtor@@XZ"(%struct.MediumWithCopyCtor* noalias sret align 4 %agg.result)
119 // WOA: define dso_local arm_aapcs_vfpcc void @"?medium_with_copy_ctor_return@@YA?AUMediumWithCopyCtor@@XZ"(%struct.MediumWithCopyCtor* noalias sret %agg.result) 119 // WOA: define dso_local arm_aapcs_vfpcc void @"?medium_with_copy_ctor_return@@YA?AUMediumWithCopyCtor@@XZ"(%struct.MediumWithCopyCtor* noalias sret align 4 %agg.result)
120 120
121 // Returning a large struct that doesn't fit into a register. 121 // Returning a large struct that doesn't fit into a register.
122 Big big_return() { return Big(); } 122 Big big_return() { return Big(); }
123 // LINUX-LABEL: define void @_Z10big_returnv(%struct.Big* noalias sret %agg.result) 123 // LINUX-LABEL: define void @_Z10big_returnv(%struct.Big* noalias sret align 4 %agg.result)
124 // WIN32: define dso_local void @"?big_return@@YA?AUBig@@XZ"(%struct.Big* noalias sret %agg.result) 124 // WIN32: define dso_local void @"?big_return@@YA?AUBig@@XZ"(%struct.Big* noalias sret align 4 %agg.result)
125 // WIN64: define dso_local void @"?big_return@@YA?AUBig@@XZ"(%struct.Big* noalias sret %agg.result) 125 // WIN64: define dso_local void @"?big_return@@YA?AUBig@@XZ"(%struct.Big* noalias sret align 4 %agg.result)
126 126
127 127
128 void small_arg(Small s) {} 128 void small_arg(Small s) {}
129 // LINUX-LABEL: define void @_Z9small_arg5Small(i32 %s.0) 129 // LINUX-LABEL: define void @_Z9small_arg5Small(i32 %s.0)
130 // WIN32: define dso_local void @"?small_arg@@YAXUSmall@@@Z"(i32 %s.0) 130 // WIN32: define dso_local void @"?small_arg@@YAXUSmall@@@Z"(i32 %s.0)
179 // WOA: } 179 // WOA: }
180 180
181 181
182 // Test that the eligible non-aggregate is passed directly, but returned 182 // Test that the eligible non-aggregate is passed directly, but returned
183 // indirectly on ARM64 Windows. 183 // indirectly on ARM64 Windows.
184 // WOA64: define dso_local void @"?small_arg_with_private_member@@YA?AUSmallWithPrivate@@U1@@Z"(%struct.SmallWithPrivate* inreg noalias sret %agg.result, i64 %s.coerce) {{.*}} { 184 // WOA64: define dso_local void @"?small_arg_with_private_member@@YA?AUSmallWithPrivate@@U1@@Z"(%struct.SmallWithPrivate* inreg noalias sret align 4 %agg.result, i64 %s.coerce) {{.*}} {
185 SmallWithPrivate small_arg_with_private_member(SmallWithPrivate s) { return s; } 185 SmallWithPrivate small_arg_with_private_member(SmallWithPrivate s) { return s; }
186 186
187 void call_small_arg_with_dtor() { 187 void call_small_arg_with_dtor() {
188 small_arg_with_dtor(SmallWithDtor()); 188 small_arg_with_dtor(SmallWithDtor());
189 } 189 }
192 // WIN64: call void @"?small_arg_with_dtor@@YAXUSmallWithDtor@@@Z"(i32 %{{.*}}) 192 // WIN64: call void @"?small_arg_with_dtor@@YAXUSmallWithDtor@@@Z"(i32 %{{.*}})
193 // WIN64: ret void 193 // WIN64: ret void
194 194
195 // Test that references aren't destroyed in the callee. 195 // Test that references aren't destroyed in the callee.
196 void ref_small_arg_with_dtor(const SmallWithDtor &s) { } 196 void ref_small_arg_with_dtor(const SmallWithDtor &s) { }
197 // WIN32: define dso_local void @"?ref_small_arg_with_dtor@@YAXABUSmallWithDtor@@@Z"(%struct.SmallWithDtor* dereferenceable({{[0-9]+}}) %s) {{.*}} { 197 // WIN32: define dso_local void @"?ref_small_arg_with_dtor@@YAXABUSmallWithDtor@@@Z"(%struct.SmallWithDtor* nonnull align {{[0-9]+}} dereferenceable({{[0-9]+}}) %s) {{.*}} {
198 // WIN32-NOT: call x86_thiscallcc void @"??1SmallWithDtor@@QAE@XZ" 198 // WIN32-NOT: call x86_thiscallcc void @"??1SmallWithDtor@@QAE@XZ"
199 // WIN32: } 199 // WIN32: }
200 // WIN64-LABEL: define dso_local void @"?ref_small_arg_with_dtor@@YAXAEBUSmallWithDtor@@@Z"(%struct.SmallWithDtor* dereferenceable({{[0-9]+}}) %s) 200 // WIN64-LABEL: define dso_local void @"?ref_small_arg_with_dtor@@YAXAEBUSmallWithDtor@@@Z"(%struct.SmallWithDtor* nonnull align {{[0-9]+}} dereferenceable({{[0-9]+}}) %s)
201 201
202 void big_arg_with_dtor(BigWithDtor s) {} 202 void big_arg_with_dtor(BigWithDtor s) {}
203 // WIN64-LABEL: define dso_local void @"?big_arg_with_dtor@@YAXUBigWithDtor@@@Z"(%struct.BigWithDtor* %s) 203 // WIN64-LABEL: define dso_local void @"?big_arg_with_dtor@@YAXUBigWithDtor@@@Z"(%struct.BigWithDtor* %s)
204 // WIN64: call void @"??1BigWithDtor@@QEAA@XZ" 204 // WIN64: call void @"??1BigWithDtor@@QEAA@XZ"
205 // WIN64: } 205 // WIN64: }
279 // WIN64: call void @"?takes_ref_field@@YAXURefField@@@Z"(i64 %{{.*}}) 279 // WIN64: call void @"?takes_ref_field@@YAXURefField@@@Z"(i64 %{{.*}})
280 280
281 class Class { 281 class Class {
282 public: 282 public:
283 Small thiscall_method_small() { return Small(); } 283 Small thiscall_method_small() { return Small(); }
284 // LINUX: define {{.*}} void @_ZN5Class21thiscall_method_smallEv(%struct.Small* noalias sret %agg.result, %class.Class* %this) 284 // LINUX: define {{.*}} void @_ZN5Class21thiscall_method_smallEv(%struct.Small* noalias sret align 4 %agg.result, %class.Class* %this)
285 // WIN32: define {{.*}} x86_thiscallcc void @"?thiscall_method_small@Class@@QAE?AUSmall@@XZ"(%class.Class* %this, %struct.Small* noalias sret %agg.result) 285 // WIN32: define {{.*}} x86_thiscallcc void @"?thiscall_method_small@Class@@QAE?AUSmall@@XZ"(%class.Class* %this, %struct.Small* noalias sret align 4 %agg.result)
286 // WIN64: define linkonce_odr dso_local void @"?thiscall_method_small@Class@@QEAA?AUSmall@@XZ"(%class.Class* %this, %struct.Small* noalias sret %agg.result) 286 // WIN64: define linkonce_odr dso_local void @"?thiscall_method_small@Class@@QEAA?AUSmall@@XZ"(%class.Class* %this, %struct.Small* noalias sret align 4 %agg.result)
287 287
288 SmallWithCtor thiscall_method_small_with_ctor() { return SmallWithCtor(); } 288 SmallWithCtor thiscall_method_small_with_ctor() { return SmallWithCtor(); }
289 // LINUX: define {{.*}} void @_ZN5Class31thiscall_method_small_with_ctorEv(%struct.SmallWithCtor* noalias sret %agg.result, %class.Class* %this) 289 // LINUX: define {{.*}} void @_ZN5Class31thiscall_method_small_with_ctorEv(%struct.SmallWithCtor* noalias sret align 4 %agg.result, %class.Class* %this)
290 // WIN32: define {{.*}} x86_thiscallcc void @"?thiscall_method_small_with_ctor@Class@@QAE?AUSmallWithCtor@@XZ"(%class.Class* %this, %struct.SmallWithCtor* noalias sret %agg.result) 290 // WIN32: define {{.*}} x86_thiscallcc void @"?thiscall_method_small_with_ctor@Class@@QAE?AUSmallWithCtor@@XZ"(%class.Class* %this, %struct.SmallWithCtor* noalias sret align 4 %agg.result)
291 // WIN64: define linkonce_odr dso_local void @"?thiscall_method_small_with_ctor@Class@@QEAA?AUSmallWithCtor@@XZ"(%class.Class* %this, %struct.SmallWithCtor* noalias sret %agg.result) 291 // WIN64: define linkonce_odr dso_local void @"?thiscall_method_small_with_ctor@Class@@QEAA?AUSmallWithCtor@@XZ"(%class.Class* %this, %struct.SmallWithCtor* noalias sret align 4 %agg.result)
292 292
293 Small __cdecl cdecl_method_small() { return Small(); } 293 Small __cdecl cdecl_method_small() { return Small(); }
294 // LINUX: define {{.*}} void @_ZN5Class18cdecl_method_smallEv(%struct.Small* noalias sret %agg.result, %class.Class* %this) 294 // LINUX: define {{.*}} void @_ZN5Class18cdecl_method_smallEv(%struct.Small* noalias sret align 4 %agg.result, %class.Class* %this)
295 // WIN32: define {{.*}} void @"?cdecl_method_small@Class@@QAA?AUSmall@@XZ"(%class.Class* %this, %struct.Small* noalias sret %agg.result) 295 // WIN32: define {{.*}} void @"?cdecl_method_small@Class@@QAA?AUSmall@@XZ"(%class.Class* %this, %struct.Small* noalias sret align 4 %agg.result)
296 // WIN64: define linkonce_odr dso_local void @"?cdecl_method_small@Class@@QEAA?AUSmall@@XZ"(%class.Class* %this, %struct.Small* noalias sret %agg.result) 296 // WIN64: define linkonce_odr dso_local void @"?cdecl_method_small@Class@@QEAA?AUSmall@@XZ"(%class.Class* %this, %struct.Small* noalias sret align 4 %agg.result)
297 297
298 Big __cdecl cdecl_method_big() { return Big(); } 298 Big __cdecl cdecl_method_big() { return Big(); }
299 // LINUX: define {{.*}} void @_ZN5Class16cdecl_method_bigEv(%struct.Big* noalias sret %agg.result, %class.Class* %this) 299 // LINUX: define {{.*}} void @_ZN5Class16cdecl_method_bigEv(%struct.Big* noalias sret align 4 %agg.result, %class.Class* %this)
300 // WIN32: define {{.*}} void @"?cdecl_method_big@Class@@QAA?AUBig@@XZ"(%class.Class* %this, %struct.Big* noalias sret %agg.result) 300 // WIN32: define {{.*}} void @"?cdecl_method_big@Class@@QAA?AUBig@@XZ"(%class.Class* %this, %struct.Big* noalias sret align 4 %agg.result)
301 // WIN64: define linkonce_odr dso_local void @"?cdecl_method_big@Class@@QEAA?AUBig@@XZ"(%class.Class* %this, %struct.Big* noalias sret %agg.result) 301 // WIN64: define linkonce_odr dso_local void @"?cdecl_method_big@Class@@QEAA?AUBig@@XZ"(%class.Class* %this, %struct.Big* noalias sret align 4 %agg.result)
302 302
303 void thiscall_method_arg(Empty s) {} 303 void thiscall_method_arg(Empty s) {}
304 // LINUX: define {{.*}} void @_ZN5Class19thiscall_method_argE5Empty(%class.Class* %this) 304 // LINUX: define {{.*}} void @_ZN5Class19thiscall_method_argE5Empty(%class.Class* %this)
305 // WIN32: define {{.*}} void @"?thiscall_method_arg@Class@@QAEXUEmpty@@@Z"(%class.Class* %this, %struct.Empty* byval(%struct.Empty) align 4 %s) 305 // WIN32: define {{.*}} void @"?thiscall_method_arg@Class@@QAEXUEmpty@@@Z"(%class.Class* %this, %struct.Empty* byval(%struct.Empty) align 4 %s)
306 // WIN64: define linkonce_odr dso_local void @"?thiscall_method_arg@Class@@QEAAXUEmpty@@@Z"(%class.Class* %this, i8 %s.coerce) 306 // WIN64: define linkonce_odr dso_local void @"?thiscall_method_arg@Class@@QEAAXUEmpty@@@Z"(%class.Class* %this, i8 %s.coerce)