169 lines
6.1 KiB
C++
169 lines
6.1 KiB
C++
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// RUN: %clang_cc1 %s -std=c++11 -O1 -DWITH_DTOR -triple x86_64 -emit-llvm -o - | FileCheck -check-prefix=CHECK-DTOR %s
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// RUN: %clang_cc1 %s -std=c++11 -O1 -triple x86_64 -emit-llvm -o - | FileCheck -check-prefix=CHECK-NO-DTOR %s
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struct A {
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A();
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#ifdef WITH_DTOR
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~A();
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#endif
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char a[1024];
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operator bool() const;
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};
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template <typename T>
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void Foo(T &&);
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template <typename T>
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void Bar(T &&);
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template <typename T>
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T Baz();
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void Test1() {
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// CHECK-DTOR-LABEL: Test1
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// CHECK-DTOR: call void @llvm.lifetime.start.p0i8(i64 1024, i8* nonnull %[[ADDR:[0-9]+]])
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// CHECK-DTOR: call void @_ZN1AC1Ev(%struct.A* nonnull {{[^,]*}} %[[VAR:[^ ]+]])
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// CHECK-DTOR: call void @_Z3FooIRK1AEvOT_
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// CHECK-DTOR: call void @_ZN1AD1Ev(%struct.A* nonnull {{[^,]*}} %[[VAR]])
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// CHECK-DTOR: call void @llvm.lifetime.end.p0i8(i64 1024, i8* nonnull %[[ADDR]])
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// CHECK-DTOR: call void @llvm.lifetime.start.p0i8(i64 1024, i8* nonnull %[[ADDR:[0-9]+]])
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// CHECK-DTOR: call void @_ZN1AC1Ev(%struct.A* nonnull {{[^,]*}} %[[VAR:[^ ]+]])
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// CHECK-DTOR: call void @_Z3FooIRK1AEvOT_
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// CHECK-DTOR: call void @_ZN1AD1Ev(%struct.A* nonnull {{[^,]*}} %[[VAR]])
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// CHECK-DTOR: call void @llvm.lifetime.end.p0i8(i64 1024, i8* nonnull %[[ADDR]])
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// CHECK-DTOR: }
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// CHECK-NO-DTOR-LABEL: Test1
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// CHECK-NO-DTOR: call void @llvm.lifetime.start.p0i8(i64 1024, i8* nonnull %[[ADDR:[0-9]+]])
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// CHECK-NO-DTOR: call void @_ZN1AC1Ev(%struct.A* nonnull {{[^,]*}} %[[VAR:[^ ]+]])
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// CHECK-NO-DTOR: call void @_Z3FooIRK1AEvOT_
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// CHECK-NO-DTOR: call void @llvm.lifetime.end.p0i8(i64 1024, i8* nonnull %[[ADDR]])
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// CHECK-NO-DTOR: call void @llvm.lifetime.start.p0i8(i64 1024, i8* nonnull %[[ADDR:[0-9]+]])
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// CHECK-NO-DTOR: call void @_ZN1AC1Ev(%struct.A* nonnull {{[^,]*}} %[[VAR:[^ ]+]])
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// CHECK-NO-DTOR: call void @_Z3FooIRK1AEvOT_
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// CHECK-NO-DTOR: call void @llvm.lifetime.end.p0i8(i64 1024, i8* nonnull %[[ADDR]])
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// CHECK-NO-DTOR: }
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{
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const A &a = A{};
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Foo(a);
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}
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{
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const A &a = A{};
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Foo(a);
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}
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}
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void Test2() {
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// CHECK-DTOR-LABEL: Test2
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// CHECK-DTOR: call void @llvm.lifetime.start.p0i8(i64 1024, i8* nonnull %[[ADDR1:[0-9]+]])
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// CHECK-DTOR: call void @_ZN1AC1Ev(%struct.A* nonnull {{[^,]*}} %[[VAR1:[^ ]+]])
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// CHECK-DTOR: call void @_Z3FooIRK1AEvOT_
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// CHECK-DTOR: call void @llvm.lifetime.start.p0i8(i64 1024, i8* nonnull %[[ADDR2:[0-9]+]])
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// CHECK-DTOR: call void @_ZN1AC1Ev(%struct.A* nonnull {{[^,]*}} %[[VAR2:[^ ]+]])
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// CHECK-DTOR: call void @_Z3FooIRK1AEvOT_
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// CHECK-DTOR: call void @_ZN1AD1Ev(%struct.A* nonnull {{[^,]*}} %[[VAR2]])
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// CHECK-DTOR: call void @llvm.lifetime.end.p0i8(i64 1024, i8* nonnull %[[ADDR2]])
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// CHECK-DTOR: call void @_ZN1AD1Ev(%struct.A* nonnull {{[^,]*}} %[[VAR1]])
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// CHECK-DTOR: call void @llvm.lifetime.end.p0i8(i64 1024, i8* nonnull %[[ADDR1]])
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// CHECK-DTOR: }
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// CHECK-NO-DTOR-LABEL: Test2
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// CHECK-NO-DTOR: call void @llvm.lifetime.start.p0i8(i64 1024, i8* nonnull %[[ADDR1:[0-9]+]])
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// CHECK-NO-DTOR: call void @_ZN1AC1Ev(%struct.A* nonnull {{[^,]*}} %[[VAR1:[^ ]+]])
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// CHECK-NO-DTOR: call void @_Z3FooIRK1AEvOT_
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// CHECK-NO-DTOR: call void @llvm.lifetime.start.p0i8(i64 1024, i8* nonnull %[[ADDR2:[0-9]+]])
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// CHECK-NO-DTOR: call void @_ZN1AC1Ev(%struct.A* nonnull {{[^,]*}} %[[VAR2:[^ ]+]])
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// CHECK-NO-DTOR: call void @_Z3FooIRK1AEvOT_
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// CHECK-NO-DTOR: call void @llvm.lifetime.end.p0i8(i64 1024, i8* nonnull %[[ADDR2]])
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// CHECK-NO-DTOR: call void @llvm.lifetime.end.p0i8(i64 1024, i8* nonnull %[[ADDR1]])
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// CHECK-NO-DTOR: }
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const A &a = A{};
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Foo(a);
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const A &b = A{};
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Foo(b);
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}
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void Test3() {
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// CHECK-DTOR-LABEL: Test3
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// CHECK-DTOR: call void @llvm.lifetime.start
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// CHECK-DTOR: call void @llvm.lifetime.start
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// if.then:
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// CHECK-DTOR: call void @llvm.lifetime.end
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// cleanup:
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// CHECK-DTOR: call void @llvm.lifetime.end
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// cleanup:
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// CHECK-DTOR: call void @llvm.lifetime.end
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// CHECK-DTOR: }
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const A &a = A{};
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if (const A &b = A(a)) {
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Foo(b);
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return;
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}
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Bar(a);
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}
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void Test4() {
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// CHECK-DTOR-LABEL: Test4
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// CHECK-DTOR: call void @llvm.lifetime.start
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// for.cond.cleanup:
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// CHECK-DTOR: call void @llvm.lifetime.end
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// for.body:
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// CHECK-DTOR: }
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for (const A &a = A{}; a;) {
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Foo(a);
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}
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}
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int Test5() {
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// CHECK-DTOR-LABEL: Test5
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// CHECK-DTOR: call void @llvm.lifetime.start
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// CHECK-DTOR: call i32 @_Z3BazIiET_v()
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// CHECK-DTOR: store
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// CHECK-DTOR: call void @_Z3FooIRKiEvOT_
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// CHECK-DTOR: load
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// CHECK-DTOR: call void @llvm.lifetime.end
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// CHECK-DTOR: }
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const int &a = Baz<int>();
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Foo(a);
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return a;
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}
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void Test6() {
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// CHECK-DTOR-LABEL: Test6
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// CHECK-DTOR: call void @llvm.lifetime.start.p0i8(i64 {{[0-9]+}}, i8* nonnull %[[ADDR:[0-9]+]])
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// CHECK-DTOR: call i32 @_Z3BazIiET_v()
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// CHECK-DTOR: store
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// CHECK-DTOR: call void @_Z3FooIiEvOT_
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// CHECK-DTOR: call void @llvm.lifetime.end.p0i8(i64 {{[0-9]+}}, i8* nonnull %[[ADDR]])
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// CHECK-DTOR: call void @llvm.lifetime.start.p0i8(i64 {{[0-9]+}}, i8* nonnull %[[ADDR:[0-9]+]])
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// CHECK-DTOR: call i32 @_Z3BazIiET_v()
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// CHECK-DTOR: store
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// CHECK-DTOR: call void @_Z3FooIiEvOT_
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// CHECK-DTOR: call void @llvm.lifetime.end.p0i8(i64 {{[0-9]+}}, i8* nonnull %[[ADDR]])
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// CHECK-DTOR: }
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Foo(Baz<int>());
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Foo(Baz<int>());
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}
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void Test7() {
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// CHECK-DTOR-LABEL: Test7
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// CHECK-DTOR: call void @llvm.lifetime.start.p0i8(i64 1024, i8* nonnull %[[ADDR:[0-9]+]])
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// CHECK-DTOR: call void @_Z3BazI1AET_v({{.*}} %[[SLOT:[^ ]+]])
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// CHECK-DTOR: call void @_Z3FooI1AEvOT_({{.*}} %[[SLOT]])
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// CHECK-DTOR: call void @_ZN1AD1Ev(%struct.A* nonnull {{[^,]*}} %[[SLOT]])
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// CHECK-DTOR: call void @llvm.lifetime.end.p0i8(i64 1024, i8* nonnull %[[ADDR]])
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// CHECK-DTOR: call void @llvm.lifetime.start.p0i8(i64 1024, i8* nonnull %[[ADDR:[0-9]+]])
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// CHECK-DTOR: call void @_Z3BazI1AET_v({{.*}} %[[SLOT:[^ ]+]])
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// CHECK-DTOR: call void @_Z3FooI1AEvOT_({{.*}} %[[SLOT]])
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// CHECK-DTOR: call void @_ZN1AD1Ev(%struct.A* nonnull {{[^,]*}} %[[SLOT]])
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// CHECK-DTOR: call void @llvm.lifetime.end.p0i8(i64 1024, i8* nonnull %[[ADDR]])
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// CHECK-DTOR: }
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Foo(Baz<A>());
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Foo(Baz<A>());
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}
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