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210 lines
8.5 KiB
210 lines
8.5 KiB
4 months ago
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// RUN: %clang_cc1 -triple arm64-apple-ios11 -std=c++11 -fobjc-arc -fobjc-weak -fobjc-runtime-has-weak -emit-llvm -o - %s | FileCheck %s
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// RUN: %clang_cc1 -triple arm64-apple-ios11 -std=c++11 -fobjc-arc -fobjc-weak -fobjc-runtime-has-weak -fclang-abi-compat=4.0 -emit-llvm -o - %s | FileCheck %s
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// RUN: %clang_cc1 -triple arm64-apple-ios11 -std=c++11 -fobjc-arc -fobjc-weak -fobjc-runtime-has-weak -emit-llvm -o - -DTRIVIALABI %s | FileCheck %s
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// RUN: %clang_cc1 -triple arm64-apple-ios11 -std=c++11 -fobjc-arc -fobjc-weak -fobjc-runtime-has-weak -fclang-abi-compat=4.0 -emit-llvm -o - -DTRIVIALABI %s | FileCheck %s
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// Check that structs consisting solely of __strong or __weak pointer fields are
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// destructed in the callee function and structs consisting solely of __strong
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// pointer fields are passed directly.
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// CHECK: %[[STRUCT_STRONGWEAK:.*]] = type { i8*, i8* }
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// CHECK: %[[STRUCT_CONTAINSSTRONGWEAK:.*]] = type { %[[STRUCT_STRONGWEAK]] }
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// CHECK: %[[STRUCT_DERIVEDSTRONGWEAK:.*]] = type { %[[STRUCT_STRONGWEAK]] }
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// CHECK: %[[STRUCT_STRONG:.*]] = type { i8* }
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// CHECK: %[[STRUCT_S:.*]] = type { i8* }
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// CHECK: %[[STRUCT_CONTAINSNONTRIVIAL:.*]] = type { %{{.*}}, i8* }
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#ifdef TRIVIALABI
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struct __attribute__((trivial_abi)) StrongWeak {
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#else
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struct StrongWeak {
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#endif
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id fstrong;
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__weak id fweak;
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};
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#ifdef TRIVIALABI
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struct __attribute__((trivial_abi)) ContainsStrongWeak {
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#else
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struct ContainsStrongWeak {
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#endif
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StrongWeak sw;
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};
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#ifdef TRIVIALABI
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struct __attribute__((trivial_abi)) DerivedStrongWeak : StrongWeak {
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#else
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struct DerivedStrongWeak : StrongWeak {
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#endif
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};
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#ifdef TRIVIALABI
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struct __attribute__((trivial_abi)) Strong {
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#else
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struct Strong {
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#endif
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id fstrong;
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};
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template<class T>
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#ifdef TRIVIALABI
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struct __attribute__((trivial_abi)) S {
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#else
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struct S {
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#endif
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T a;
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};
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struct NonTrivial {
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NonTrivial();
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NonTrivial(const NonTrivial &);
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~NonTrivial();
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int *a;
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};
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// This struct is not passed directly nor destructed in the callee because f0
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// has type NonTrivial.
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struct ContainsNonTrivial {
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NonTrivial f0;
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id f1;
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};
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// CHECK: define void @_Z19testParamStrongWeak10StrongWeak(%[[STRUCT_STRONGWEAK]]* %{{.*}})
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// CHECK: call %struct.StrongWeak* @_ZN10StrongWeakD1Ev(
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// CHECK-NEXT: ret void
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void testParamStrongWeak(StrongWeak a) {
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}
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// CHECK: define void @_Z18testCallStrongWeakP10StrongWeak(%[[STRUCT_STRONGWEAK]]* %[[A:.*]])
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// CHECK: %[[A_ADDR:.*]] = alloca %[[STRUCT_STRONGWEAK]]*, align 8
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// CHECK: %[[AGG_TMP:.*]] = alloca %[[STRUCT_STRONGWEAK]], align 8
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// CHECK: store %[[STRUCT_STRONGWEAK]]* %[[A]], %[[STRUCT_STRONGWEAK]]** %[[A_ADDR]], align 8
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// CHECK: %[[V0:.*]] = load %[[STRUCT_STRONGWEAK]]*, %[[STRUCT_STRONGWEAK]]** %[[A_ADDR]], align 8
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// CHECK: %[[CALL:.*]] = call %[[STRUCT_STRONGWEAK]]* @_ZN10StrongWeakC1ERKS_(%[[STRUCT_STRONGWEAK]]* {{[^,]*}} %[[AGG_TMP]], %[[STRUCT_STRONGWEAK]]* nonnull align 8 dereferenceable(16) %[[V0]])
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// CHECK: call void @_Z19testParamStrongWeak10StrongWeak(%[[STRUCT_STRONGWEAK]]* %[[AGG_TMP]])
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// CHECK-NOT: call
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// CHECK: ret void
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void testCallStrongWeak(StrongWeak *a) {
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testParamStrongWeak(*a);
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}
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// CHECK: define void @_Z20testReturnStrongWeakP10StrongWeak(%[[STRUCT_STRONGWEAK:.*]]* noalias sret(%[[STRUCT_STRONGWEAK]]) align 8 %[[AGG_RESULT:.*]], %[[STRUCT_STRONGWEAK]]* %[[A:.*]])
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// CHECK: %[[A_ADDR:.*]] = alloca %[[STRUCT_STRONGWEAK]]*, align 8
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// CHECK: store %[[STRUCT_STRONGWEAK]]* %[[A]], %[[STRUCT_STRONGWEAK]]** %[[A_ADDR]], align 8
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// CHECK: %[[V0:.*]] = load %[[STRUCT_STRONGWEAK]]*, %[[STRUCT_STRONGWEAK]]** %[[A_ADDR]], align 8
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// CHECK: %[[CALL:.*]] = call %[[STRUCT_STRONGWEAK]]* @_ZN10StrongWeakC1ERKS_(%[[STRUCT_STRONGWEAK]]* {{[^,]*}} %[[AGG_RESULT]], %[[STRUCT_STRONGWEAK]]* nonnull align 8 dereferenceable(16) %[[V0]])
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// CHECK: ret void
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StrongWeak testReturnStrongWeak(StrongWeak *a) {
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return *a;
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}
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// CHECK: define void @_Z27testParamContainsStrongWeak18ContainsStrongWeak(%[[STRUCT_CONTAINSSTRONGWEAK]]* %[[A:.*]])
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// CHECK: call %[[STRUCT_CONTAINSSTRONGWEAK]]* @_ZN18ContainsStrongWeakD1Ev(%[[STRUCT_CONTAINSSTRONGWEAK]]* {{[^,]*}} %[[A]])
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void testParamContainsStrongWeak(ContainsStrongWeak a) {
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}
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// CHECK: define void @_Z26testParamDerivedStrongWeak17DerivedStrongWeak(%[[STRUCT_DERIVEDSTRONGWEAK]]* %[[A:.*]])
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// CHECK: call %[[STRUCT_DERIVEDSTRONGWEAK]]* @_ZN17DerivedStrongWeakD1Ev(%[[STRUCT_DERIVEDSTRONGWEAK]]* {{[^,]*}} %[[A]])
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void testParamDerivedStrongWeak(DerivedStrongWeak a) {
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}
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// CHECK: define void @_Z15testParamStrong6Strong(i64 %[[A_COERCE:.*]])
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// CHECK: %[[A:.*]] = alloca %[[STRUCT_STRONG]], align 8
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// CHECK: %[[COERCE_DIVE:.*]] = getelementptr inbounds %[[STRUCT_STRONG]], %[[STRUCT_STRONG]]* %[[A]], i32 0, i32 0
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// CHECK: %[[COERCE_VAL_IP:.*]] = inttoptr i64 %[[A_COERCE]] to i8*
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// CHECK: store i8* %[[COERCE_VAL_IP]], i8** %[[COERCE_DIVE]], align 8
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// CHECK: %[[CALL:.*]] = call %[[STRUCT_STRONG]]* @_ZN6StrongD1Ev(%[[STRUCT_STRONG]]* {{[^,]*}} %[[A]])
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// CHECK: ret void
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// CHECK: define linkonce_odr %[[STRUCT_STRONG]]* @_ZN6StrongD1Ev(
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void testParamStrong(Strong a) {
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}
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// CHECK: define void @_Z14testCallStrongP6Strong(%[[STRUCT_STRONG]]* %[[A:.*]])
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// CHECK: %[[A_ADDR:.*]] = alloca %[[STRUCT_STRONG]]*, align 8
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// CHECK: %[[AGG_TMP:.*]] = alloca %[[STRUCT_STRONG]], align 8
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// CHECK: store %[[STRUCT_STRONG]]* %[[A]], %[[STRUCT_STRONG]]** %[[A_ADDR]], align 8
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// CHECK: %[[V0:.*]] = load %[[STRUCT_STRONG]]*, %[[STRUCT_STRONG]]** %[[A_ADDR]], align 8
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// CHECK: %[[CALL:.*]] = call %[[STRUCT_STRONG]]* @_ZN6StrongC1ERKS_(%[[STRUCT_STRONG]]* {{[^,]*}} %[[AGG_TMP]], %[[STRUCT_STRONG]]* nonnull align 8 dereferenceable(8) %[[V0]])
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// CHECK: %[[COERCE_DIVE:.*]] = getelementptr inbounds %[[STRUCT_STRONG]], %[[STRUCT_STRONG]]* %[[AGG_TMP]], i32 0, i32 0
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// CHECK: %[[V1:.*]] = load i8*, i8** %[[COERCE_DIVE]], align 8
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// CHECK: %[[COERCE_VAL_PI:.*]] = ptrtoint i8* %[[V1]] to i64
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// CHECK: call void @_Z15testParamStrong6Strong(i64 %[[COERCE_VAL_PI]])
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// CHECK: ret void
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void testCallStrong(Strong *a) {
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testParamStrong(*a);
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}
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// CHECK: define i64 @_Z16testReturnStrongP6Strong(%[[STRUCT_STRONG]]* %[[A:.*]])
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// CHECK: %[[RETVAL:.*]] = alloca %[[STRUCT_STRONG]], align 8
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// CHECK: %[[A_ADDR:.*]] = alloca %[[STRUCT_STRONG]]*, align 8
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// CHECK: store %[[STRUCT_STRONG]]* %[[A]], %[[STRUCT_STRONG]]** %[[A_ADDR]], align 8
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// CHECK: %[[V0:.*]] = load %[[STRUCT_STRONG]]*, %[[STRUCT_STRONG]]** %[[A_ADDR]], align 8
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// CHECK: %[[CALL:.*]] = call %[[STRUCT_STRONG]]* @_ZN6StrongC1ERKS_(%[[STRUCT_STRONG]]* {{[^,]*}} %[[RETVAL]], %[[STRUCT_STRONG]]* nonnull align 8 dereferenceable(8) %[[V0]])
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// CHECK: %[[COERCE_DIVE:.*]] = getelementptr inbounds %[[STRUCT_STRONG]], %[[STRUCT_STRONG]]* %[[RETVAL]], i32 0, i32 0
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// CHECK: %[[V1:.*]] = load i8*, i8** %[[COERCE_DIVE]], align 8
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// CHECK: %[[COERCE_VAL_PI:.*]] = ptrtoint i8* %[[V1]] to i64
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// CHECK: ret i64 %[[COERCE_VAL_PI]]
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Strong testReturnStrong(Strong *a) {
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return *a;
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}
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// CHECK: define void @_Z21testParamWeakTemplate1SIU6__weakP11objc_objectE(%[[STRUCT_S]]* %{{.*}})
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// CHECK: call %struct.S* @_ZN1SIU6__weakP11objc_objectED1Ev(
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// CHECK-NEXT: ret void
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void testParamWeakTemplate(S<__weak id> a) {
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}
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// CHECK: define void @_Z27testParamContainsNonTrivial18ContainsNonTrivial(%[[STRUCT_CONTAINSNONTRIVIAL]]* %{{.*}})
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// CHECK-NOT: call
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// CHECK: ret void
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void testParamContainsNonTrivial(ContainsNonTrivial a) {
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}
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// CHECK: define void @_Z26testCallContainsNonTrivialP18ContainsNonTrivial(
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// CHECK: call void @_Z27testParamContainsNonTrivial18ContainsNonTrivial(%[[STRUCT_CONTAINSNONTRIVIAL]]* %{{.*}})
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// CHECK: call %struct.ContainsNonTrivial* @_ZN18ContainsNonTrivialD1Ev(%[[STRUCT_CONTAINSNONTRIVIAL]]* {{[^,]*}} %{{.*}})
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void testCallContainsNonTrivial(ContainsNonTrivial *a) {
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testParamContainsNonTrivial(*a);
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}
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namespace testThunk {
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// CHECK-LABEL: define i64 @_ZThn8_N9testThunk2D02m0Ev(
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// CHECK: %[[RETVAL:.*]] = alloca %[[STRUCT_STRONG]], align 8
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// CHECK: %[[CALL:.*]] = tail call i64 @_ZN9testThunk2D02m0Ev(
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// CHECK: %[[COERCE_DIVE:.*]] = getelementptr inbounds %[[STRUCT_STRONG]], %[[STRUCT_STRONG]]* %[[RETVAL]], i32 0, i32 0
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// CHECK: %[[COERCE_VAL_IP:.*]] = inttoptr i64 %[[CALL]] to i8*
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// CHECK: store i8* %[[COERCE_VAL_IP]], i8** %[[COERCE_DIVE]], align 8
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// CHECK: %[[COERCE_DIVE2:.*]] = getelementptr inbounds %[[STRUCT_STRONG]], %[[STRUCT_STRONG]]* %[[RETVAL]], i32 0, i32 0
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// CHECK: %[[V3:.*]] = load i8*, i8** %[[COERCE_DIVE2]], align 8
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// CHECK: %[[COERCE_VAL_PI:.*]] = ptrtoint i8* %[[V3]] to i64
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// CHECK: ret i64 %[[COERCE_VAL_PI]]
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struct B0 {
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virtual Strong m0();
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};
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struct B1 {
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virtual Strong m0();
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};
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struct D0 : B0, B1 {
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Strong m0() override;
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};
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Strong D0::m0() { return {}; }
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}
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