| // RUN: %clang_cc1 -triple=x86_64-apple-darwin10 -emit-llvm -fexceptions %s -o - |FileCheck %s |
| // RUN: %clang_cc1 -triple=x86_64-apple-darwin10 -emit-llvm %s -o - |FileCheck -check-prefix NOEXC %s |
| |
| struct A { |
| A(); |
| ~A(); |
| }; |
| |
| struct B { B(); ~B(); }; |
| |
| struct C { void *field; }; |
| |
| struct D { ~D(); }; |
| |
| // CHECK: @__dso_handle = external unnamed_addr global i8 |
| // CHECK: @c = global %struct.C zeroinitializer, align 8 |
| |
| // It's okay if we ever implement the IR-generation optimization to remove this. |
| // CHECK: @_ZN5test3L3varE = internal constant i8* getelementptr inbounds ([7 x i8]* |
| |
| // PR6205: The casts should not require global initializers |
| // CHECK: @_ZN6PR59741cE = external global %"struct.PR5974::C" |
| // CHECK: @_ZN6PR59741aE = global %"struct.PR5974::A"* getelementptr inbounds (%"struct.PR5974::C"* @_ZN6PR59741cE, i32 0, i32 0) |
| // CHECK: @_ZN6PR59741bE = global %"struct.PR5974::B"* bitcast (i8* getelementptr (i8* bitcast (%"struct.PR5974::C"* @_ZN6PR59741cE to i8*), i64 4) to %"struct.PR5974::B"*), align 8 |
| |
| // CHECK: call void @_ZN1AC1Ev(%struct.A* @a) |
| // CHECK: call i32 @__cxa_atexit(void (i8*)* bitcast (void (%struct.A*)* @_ZN1AD1Ev to void (i8*)*), i8* getelementptr inbounds (%struct.A* @a, i32 0, i32 0), i8* @__dso_handle) |
| A a; |
| |
| // CHECK: call void @_ZN1BC1Ev(%struct.B* @b) |
| // CHECK: call i32 @__cxa_atexit(void (i8*)* bitcast (void (%struct.B*)* @_ZN1BD1Ev to void (i8*)*), i8* getelementptr inbounds (%struct.B* @b, i32 0, i32 0), i8* @__dso_handle) |
| B b; |
| |
| // PR6205: this should not require a global initializer |
| // CHECK-NOT: call void @_ZN1CC1Ev(%struct.C* @c) |
| C c; |
| |
| // CHECK: call i32 @__cxa_atexit(void (i8*)* bitcast (void (%struct.D*)* @_ZN1DD1Ev to void (i8*)*), i8* getelementptr inbounds (%struct.D* @d, i32 0, i32 0), i8* @__dso_handle) |
| D d; |
| |
| // <rdar://problem/7458115> |
| namespace test1 { |
| int f(); |
| const int x = f(); // This has side-effects and gets emitted immediately. |
| const int y = x - 1; // This gets deferred. |
| const int z = ~y; // This also gets deferred, but gets "undeferred" before y. |
| int test() { return z; } |
| // CHECK: define i32 @_ZN5test14testEv() |
| |
| // All of these initializers end up delayed, so we check them later. |
| } |
| |
| // <rdar://problem/8246444> |
| namespace test2 { |
| struct allocator { allocator(); ~allocator(); }; |
| struct A { A(const allocator &a = allocator()); ~A(); }; |
| |
| A a; |
| // CHECK: call void @_ZN5test29allocatorC1Ev( |
| // CHECK: invoke void @_ZN5test21AC1ERKNS_9allocatorE( |
| // CHECK: call void @_ZN5test29allocatorD1Ev( |
| // CHECK: call i32 @__cxa_atexit({{.*}} @_ZN5test21AD1Ev {{.*}} @_ZN5test21aE |
| } |
| |
| namespace test3 { |
| // Tested at the beginning of the file. |
| const char * const var = "string"; |
| extern const char * const var; |
| |
| const char *test() { return var; } |
| } |
| |
| namespace test6 { |
| struct A { |
| A(); |
| }; |
| extern int foo(); |
| |
| // This needs an initialization function and guard variables. |
| // CHECK: load i8* bitcast (i64* @_ZGVN5test61xE |
| // CHECK: [[CALL:%.*]] = call i32 @_ZN5test63fooEv |
| // CHECK-NEXT: store i32 [[CALL]], i32* @_ZN5test61xE |
| // CHECK-NEXT: store i64 1, i64* @_ZGVN5test61xE |
| __attribute__((weak)) int x = foo(); |
| } |
| |
| namespace PR5974 { |
| struct A { int a; }; |
| struct B { int b; }; |
| struct C : A, B { int c; }; |
| |
| extern C c; |
| |
| // These should not require global initializers. |
| A* a = &c; |
| B* b = &c; |
| } |
| // CHECK: define internal void [[TEST1_Z_INIT:@.*]]() |
| // CHECK: load i32* @_ZN5test1L1yE |
| // CHECK-NEXT: xor |
| // CHECK-NEXT: store i32 {{.*}}, i32* @_ZN5test1L1zE |
| // CHECK: define internal void [[TEST1_Y_INIT:@.*]]() |
| // CHECK: load i32* @_ZN5test1L1xE |
| // CHECK-NEXT: sub |
| // CHECK-NEXT: store i32 {{.*}}, i32* @_ZN5test1L1yE |
| |
| // PR9570: the indirect field shouldn't crash IR gen. |
| namespace test5 { |
| static union { |
| unsigned bar[4096] __attribute__((aligned(128))); |
| }; |
| } |
| |
| |
| // At the end of the file, we check that y is initialized before z. |
| |
| // CHECK: define internal void @_GLOBAL__I_a() section "__TEXT,__StaticInit,regular,pure_instructions" { |
| // CHECK: call void [[TEST1_Y_INIT]] |
| // CHECK: call void [[TEST1_Z_INIT]] |
| |
| // rdar://problem/8090834: this should be nounwind |
| // CHECK-NOEXC: define internal void @_GLOBAL__I_a() nounwind section "__TEXT,__StaticInit,regular,pure_instructions" { |