|  | // 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) |