| // RUN: %clang_cc1 %s -triple=x86_64-apple-darwin10 -emit-llvm -o - -fcxx-exceptions -fexceptions -std=c++03 | FileCheck %s -check-prefixes=CHECK,CHECKv03 |
| // RUN: %clang_cc1 %s -triple=x86_64-apple-darwin10 -emit-llvm -o - -fcxx-exceptions -fexceptions -std=c++11 | FileCheck %s -check-prefixes=CHECK,CHECKv11 |
| |
| // Test IR generation for partial destruction of aggregates. |
| |
| void opaque(); |
| |
| // Initializer lists. |
| namespace test0 { |
| struct A { A(int); A(); ~A(); void *v; }; |
| void test() { |
| A as[10] = { 5, 7 }; |
| opaque(); |
| } |
| // CHECK-LABEL: define void @_ZN5test04testEv() |
| // CHECK-SAME: personality i8* bitcast (i32 (...)* @__gxx_personality_v0 to i8*) |
| // CHECK: [[AS:%.*]] = alloca [10 x [[A:%.*]]], align |
| // CHECK-NEXT: [[ENDVAR:%.*]] = alloca [[A]]* |
| // CHECK-NEXT: [[EXN:%.*]] = alloca i8* |
| // CHECK-NEXT: [[SEL:%.*]] = alloca i32 |
| |
| // Initialize. |
| // CHECK-NEXT: [[E_BEGIN:%.*]] = getelementptr inbounds [10 x [[A]]], [10 x [[A]]]* [[AS]], i64 0, i64 0 |
| // CHECK-NEXT: store [[A]]* [[E_BEGIN]], [[A]]** [[ENDVAR]] |
| // CHECK-NEXT: invoke void @_ZN5test01AC1Ei([[A]]* [[E_BEGIN]], i32 5) |
| // CHECK: [[E1:%.*]] = getelementptr inbounds [[A]], [[A]]* [[E_BEGIN]], i64 1 |
| // CHECK-NEXT: store [[A]]* [[E1]], [[A]]** [[ENDVAR]] |
| // CHECK-NEXT: invoke void @_ZN5test01AC1Ei([[A]]* [[E1]], i32 7) |
| // CHECK: [[E2:%.*]] = getelementptr inbounds [[A]], [[A]]* [[E1]], i64 1 |
| // CHECK-NEXT: store [[A]]* [[E2]], [[A]]** [[ENDVAR]] |
| // CHECK-NEXT: [[E_END:%.*]] = getelementptr inbounds [[A]], [[A]]* [[E_BEGIN]], i64 10 |
| // CHECK-NEXT: br label |
| // CHECK: [[E_CUR:%.*]] = phi [[A]]* [ [[E2]], {{%.*}} ], [ [[E_NEXT:%.*]], {{%.*}} ] |
| // CHECK-NEXT: invoke void @_ZN5test01AC1Ev([[A]]* [[E_CUR]]) |
| // CHECK: [[E_NEXT]] = getelementptr inbounds [[A]], [[A]]* [[E_CUR]], i64 1 |
| // CHECK-NEXT: store [[A]]* [[E_NEXT]], [[A]]** [[ENDVAR]] |
| // CHECK-NEXT: [[T0:%.*]] = icmp eq [[A]]* [[E_NEXT]], [[E_END]] |
| // CHECK-NEXT: br i1 [[T0]], |
| |
| // Run. |
| // CHECK: invoke void @_Z6opaquev() |
| |
| // Normal destroy. |
| // CHECK: [[ED_BEGIN:%.*]] = getelementptr inbounds [10 x [[A]]], [10 x [[A]]]* [[AS]], i32 0, i32 0 |
| // CHECK-NEXT: [[ED_END:%.*]] = getelementptr inbounds [[A]], [[A]]* [[ED_BEGIN]], i64 10 |
| // CHECK-NEXT: br label |
| // CHECK: [[ED_AFTER:%.*]] = phi [[A]]* [ [[ED_END]], {{%.*}} ], [ [[ED_CUR:%.*]], {{%.*}} ] |
| // CHECK-NEXT: [[ED_CUR]] = getelementptr inbounds [[A]], [[A]]* [[ED_AFTER]], i64 -1 |
| // CHECKv03-NEXT: invoke void @_ZN5test01AD1Ev([[A]]* [[ED_CUR]]) |
| // CHECKv11-NEXT: call void @_ZN5test01AD1Ev([[A]]* [[ED_CUR]]) |
| // CHECK: [[T0:%.*]] = icmp eq [[A]]* [[ED_CUR]], [[ED_BEGIN]] |
| // CHECK-NEXT: br i1 [[T0]], |
| // CHECK: ret void |
| |
| // Partial destroy for initialization. |
| // CHECK: landingpad { i8*, i32 } |
| // CHECK-NEXT: cleanup |
| // CHECK: [[PARTIAL_END:%.*]] = load [[A]]*, [[A]]** [[ENDVAR]] |
| // CHECK-NEXT: [[T0:%.*]] = icmp eq [[A]]* [[E_BEGIN]], [[PARTIAL_END]] |
| // CHECK-NEXT: br i1 [[T0]], |
| // CHECK: [[E_AFTER:%.*]] = phi [[A]]* [ [[PARTIAL_END]], {{%.*}} ], [ [[E_CUR:%.*]], {{%.*}} ] |
| // CHECK-NEXT: [[E_CUR]] = getelementptr inbounds [[A]], [[A]]* [[E_AFTER]], i64 -1 |
| // CHECKv03-NEXT: invoke void @_ZN5test01AD1Ev([[A]]* [[E_CUR]]) |
| // CHECKv11-NEXT: call void @_ZN5test01AD1Ev([[A]]* [[E_CUR]]) |
| // CHECK: [[T0:%.*]] = icmp eq [[A]]* [[E_CUR]], [[E_BEGIN]] |
| // CHECK-NEXT: br i1 [[T0]], |
| |
| // Primary EH destructor. |
| // CHECK: landingpad { i8*, i32 } |
| // CHECK-NEXT: cleanup |
| // CHECK: [[E0:%.*]] = getelementptr inbounds [10 x [[A]]], [10 x [[A]]]* [[AS]], i32 0, i32 0 |
| // CHECK-NEXT: [[E_END:%.*]] = getelementptr inbounds [[A]], [[A]]* [[E0]], i64 10 |
| // CHECK-NEXT: br label |
| |
| // Partial destructor for primary normal destructor. |
| // FIXME: There's some really bad block ordering here which causes |
| // the partial destroy for the primary normal destructor to fall |
| // within the primary EH destructor. |
| // CHECKv03: landingpad { i8*, i32 } |
| // CHECKv03-NEXT: cleanup |
| // CHECKv03: [[T0:%.*]] = icmp eq [[A]]* [[ED_BEGIN]], [[ED_CUR]] |
| // CHECKv03-NEXT: br i1 [[T0]] |
| // CHECKv03: [[EDD_AFTER:%.*]] = phi [[A]]* [ [[ED_CUR]], {{%.*}} ], [ [[EDD_CUR:%.*]], {{%.*}} ] |
| // CHECKv03-NEXT: [[EDD_CUR]] = getelementptr inbounds [[A]], [[A]]* [[EDD_AFTER]], i64 -1 |
| // CHECKv03-NEXT: invoke void @_ZN5test01AD1Ev([[A]]* [[EDD_CUR]]) |
| // CHECKv03: [[T0:%.*]] = icmp eq [[A]]* [[EDD_CUR]], [[ED_BEGIN]] |
| // CHECKv03-NEXT: br i1 [[T0]] |
| |
| // Back to the primary EH destructor. |
| // CHECK: [[E_AFTER:%.*]] = phi [[A]]* [ [[E_END]], {{%.*}} ], [ [[E_CUR:%.*]], {{%.*}} ] |
| // CHECK-NEXT: [[E_CUR]] = getelementptr inbounds [[A]], [[A]]* [[E_AFTER]], i64 -1 |
| // CHECKv03-NEXT: invoke void @_ZN5test01AD1Ev([[A]]* [[E_CUR]]) |
| // CHECKv11-NEXT: call void @_ZN5test01AD1Ev([[A]]* [[E_CUR]]) |
| // CHECK: [[T0:%.*]] = icmp eq [[A]]* [[E_CUR]], [[E0]] |
| // CHECK-NEXT: br i1 [[T0]], |
| |
| } |
| |
| namespace test1 { |
| struct A { A(); A(int); ~A(); }; |
| struct B { A x, y, z; int w; }; |
| |
| void test() { |
| B v = { 5, 6, 7, 8 }; |
| } |
| // CHECK-LABEL: define void @_ZN5test14testEv() |
| // CHECK-SAME: personality i8* bitcast (i32 (...)* @__gxx_personality_v0 to i8*) |
| // CHECK: [[V:%.*]] = alloca [[B:%.*]], align 4 |
| // CHECK-NEXT: alloca i8* |
| // CHECK-NEXT: alloca i32 |
| // CHECK-NEXT: [[X:%.*]] = getelementptr inbounds [[B]], [[B]]* [[V]], i32 0, i32 0 |
| // CHECK-NEXT: call void @_ZN5test11AC1Ei([[A:%.*]]* [[X]], i32 5) |
| // CHECK-NEXT: [[Y:%.*]] = getelementptr inbounds [[B]], [[B]]* [[V]], i32 0, i32 1 |
| // CHECK-NEXT: invoke void @_ZN5test11AC1Ei([[A]]* [[Y]], i32 6) |
| // CHECK: [[Z:%.*]] = getelementptr inbounds [[B]], [[B]]* [[V]], i32 0, i32 2 |
| // CHECK-NEXT: invoke void @_ZN5test11AC1Ei([[A]]* [[Z]], i32 7) |
| // CHECK: [[W:%.*]] = getelementptr inbounds [[B]], [[B]]* [[V]], i32 0, i32 3 |
| // CHECK-NEXT: store i32 8, i32* [[W]], align 4 |
| // CHECK-NEXT: call void @_ZN5test11BD1Ev([[B]]* [[V]]) |
| // CHECK-NEXT: ret void |
| |
| // FIXME: again, the block ordering is pretty bad here |
| // CHECK: landingpad { i8*, i32 } |
| // CHECK-NEXT: cleanup |
| // CHECK: landingpad { i8*, i32 } |
| // CHECK-NEXT: cleanup |
| // CHECKv03: invoke void @_ZN5test11AD1Ev([[A]]* [[Y]]) |
| // CHECKv03: invoke void @_ZN5test11AD1Ev([[A]]* [[X]]) |
| // CHECKv11: call void @_ZN5test11AD1Ev([[A]]* [[Y]]) |
| // CHECKv11: call void @_ZN5test11AD1Ev([[A]]* [[X]]) |
| } |
| |
| namespace test2 { |
| struct A { A(); ~A(); }; |
| |
| void test() { |
| A v[4][7]; |
| |
| // CHECK-LABEL: define void @_ZN5test24testEv() |
| // CHECK-SAME: personality i8* bitcast (i32 (...)* @__gxx_personality_v0 to i8*) |
| // CHECK: [[V:%.*]] = alloca [4 x [7 x [[A:%.*]]]], align 1 |
| // CHECK-NEXT: alloca i8* |
| // CHECK-NEXT: alloca i32 |
| |
| // Main initialization loop. |
| // CHECK-NEXT: [[BEGIN:%.*]] = getelementptr inbounds [4 x [7 x [[A]]]], [4 x [7 x [[A]]]]* [[V]], i32 0, i32 0, i32 0 |
| // CHECK-NEXT: [[END:%.*]] = getelementptr inbounds [[A]], [[A]]* [[BEGIN]], i64 28 |
| // CHECK-NEXT: br label |
| // CHECK: [[CUR:%.*]] = phi [[A]]* [ [[BEGIN]], {{%.*}} ], [ [[NEXT:%.*]], {{%.*}} ] |
| // CHECK-NEXT: invoke void @_ZN5test21AC1Ev([[A]]* [[CUR]]) |
| // CHECK: [[NEXT:%.*]] = getelementptr inbounds [[A]], [[A]]* [[CUR]], i64 1 |
| // CHECK-NEXT: [[DONE:%.*]] = icmp eq [[A]]* [[NEXT]], [[END]] |
| // CHECK-NEXT: br i1 [[DONE]], |
| |
| // Partial destruction landing pad. |
| // CHECK: landingpad { i8*, i32 } |
| // CHECK-NEXT: cleanup |
| // CHECK: [[EMPTY:%.*]] = icmp eq [[A]]* [[BEGIN]], [[CUR]] |
| // CHECK-NEXT: br i1 [[EMPTY]], |
| // CHECK: [[PAST:%.*]] = phi [[A]]* [ [[CUR]], {{%.*}} ], [ [[DEL:%.*]], {{%.*}} ] |
| // CHECK-NEXT: [[DEL]] = getelementptr inbounds [[A]], [[A]]* [[PAST]], i64 -1 |
| // CHECKv03-NEXT: invoke void @_ZN5test21AD1Ev([[A]]* [[DEL]]) |
| // CHECKv11-NEXT: call void @_ZN5test21AD1Ev([[A]]* [[DEL]]) |
| // CHECK: [[T0:%.*]] = icmp eq [[A]]* [[DEL]], [[BEGIN]] |
| // CHECK-NEXT: br i1 [[T0]], |
| } |
| |
| } |
| |
| // PR10351 |
| namespace test3 { |
| struct A { A(); ~A(); void *p; }; |
| struct B { |
| B() {} |
| A a; |
| }; |
| |
| B *test() { |
| return new B[10]; |
| // invoke void @_ZN5test31BD1Ev( |
| } |
| } |
| |
| namespace test4 { |
| struct A { A(unsigned i); ~A(); }; |
| void test() { |
| A v[2][3] = { { A(0), A(1), A(2) }, { A(3), A(4), A(5) } }; |
| } |
| } |
| // CHECK-LABEL: define void @_ZN5test44testEv() |
| // CHECK: [[ARRAY:%.*]] = alloca [2 x [3 x [[A:%.*]]]], align |
| // CHECK: [[A0:%.*]] = getelementptr inbounds [2 x [3 x [[A]]]], [2 x [3 x [[A]]]]* [[ARRAY]], i64 0, i64 0 |
| // CHECK-NEXT: store [3 x [[A]]]* [[A0]], |
| // CHECK-NEXT: [[A00:%.*]] = getelementptr inbounds [3 x [[A]]], [3 x [[A]]]* [[A0]], i64 0, i64 0 |
| // CHECK-NEXT: store [[A]]* [[A00]], |
| // CHECK-NEXT: invoke void @_ZN5test41AC1Ej([[A]]* [[A00]], i32 0) |
| // CHECK: [[A01:%.*]] = getelementptr inbounds [[A]], [[A]]* [[A00]], i64 1 |
| // CHECK-NEXT: store [[A]]* [[A01]], |
| // CHECK-NEXT: invoke void @_ZN5test41AC1Ej([[A]]* [[A01]], i32 1) |
| // CHECK: [[A02:%.*]] = getelementptr inbounds [[A]], [[A]]* [[A01]], i64 1 |
| // CHECK-NEXT: store [[A]]* [[A02]], |
| // CHECK-NEXT: invoke void @_ZN5test41AC1Ej([[A]]* [[A02]], i32 2) |
| // CHECK: [[A1:%.*]] = getelementptr inbounds [3 x [[A]]], [3 x [[A]]]* [[A0]], i64 1 |
| // CHECK-NEXT: store [3 x [[A]]]* [[A1]], |
| // CHECK-NEXT: [[A10:%.*]] = getelementptr inbounds [3 x [[A]]], [3 x [[A]]]* [[A1]], i64 0, i64 0 |
| // CHECK-NEXT: store [[A]]* [[A10]], |
| // CHECK-NEXT: invoke void @_ZN5test41AC1Ej([[A]]* [[A10]], i32 3) |
| // CHECK: [[A11:%.*]] = getelementptr inbounds [[A]], [[A]]* [[A10]], i64 1 |
| // CHECK-NEXT: store [[A]]* [[A11]], |
| // CHECK-NEXT: invoke void @_ZN5test41AC1Ej([[A]]* [[A11]], i32 4) |
| // CHECK: [[A12:%.*]] = getelementptr inbounds [[A]], [[A]]* [[A11]], i64 1 |
| // CHECK-NEXT: store [[A]]* [[A12]], |
| // CHECK-NEXT: invoke void @_ZN5test41AC1Ej([[A]]* [[A12]], i32 5) |
